chore: get rid of chrono in favor of time

Chrono has been unmaintened for a few month now and there is a CVE on it.

make clippy happy

bump milli

Cargo.lock

@@ -300,6 +300,12 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c5d78ce20460b82d3fa150275ed9d55e21064fc7951177baacf86a145c4a4b1f"
 
+[[package]]
+name = "arrayvec"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
+
 [[package]]
 name = "as-slice"
 version = "0.1.5"
@@ -647,7 +653,6 @@ dependencies = [
  "libc",
  "num-integer",
  "num-traits",
- "serde",
  "time 0.1.44",
  "winapi",
 ]
@@ -989,9 +994,9 @@ dependencies = [
 [[package]]
 name = "filter-parser"
 version = "0.1.0"
-source = "git+https://github.com/meilisearch/milli.git?tag=v0.22.1#ea15ad6c34492b32eb7ac06e69de02b6dc70a707"
+source = "git+https://github.com/meilisearch/milli.git?tag=v0.22.2#f2984f66e64838d51f5cce412693fa411ee3f2d4"
 dependencies = [
- "nom",
+ "nom 7.1.0",
  "nom_locate",
 ]
 
@@ -1479,6 +1484,15 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68f2d64f2edebec4ce84ad108148e67e1064789bee435edc5b60ad398714a3a9"
 
+[[package]]
+name = "iso8601-duration"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60b51dd97fa24074214b9eb14da518957573f4dec3189112610ae1ccec9ac464"
+dependencies = [
+ "nom 5.1.2",
+]
+
 [[package]]
 name = "itertools"
 version = "0.10.3"
@@ -1568,6 +1582,19 @@ dependencies = [
  "fst",
 ]
 
+[[package]]
+name = "lexical-core"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6607c62aa161d23d17a9072cc5da0be67cdfc89d3afb1e8d9c842bebc2525ffe"
+dependencies = [
+ "arrayvec",
+ "bitflags",
+ "cfg-if 1.0.0",
+ "ryu",
+ "static_assertions",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.114"
@@ -1688,7 +1715,6 @@ checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 name = "meilisearch-auth"
 version = "0.25.0"
 dependencies = [
- "chrono",
  "enum-iterator",
  "heed",
  "meilisearch-error",
@@ -1697,6 +1723,7 @@ dependencies = [
  "serde_json",
  "sha2",
  "thiserror",
+ "time 0.3.7",
 ]
 
 [[package]]
@@ -1727,7 +1754,6 @@ dependencies = [
  "byte-unit",
  "bytes",
  "cargo_toml",
- "chrono",
  "clap",
  "crossbeam-channel",
  "either",
@@ -1740,6 +1766,7 @@ dependencies = [
  "hex",
  "http",
  "indexmap",
+ "iso8601-duration",
  "itertools",
  "jsonwebtoken",
  "log",
@@ -1775,6 +1802,7 @@ dependencies = [
  "tempfile",
  "thiserror",
  "tikv-jemallocator",
+ "time 0.3.7",
  "tokio",
  "tokio-stream",
  "urlencoding",
@@ -1796,7 +1824,6 @@ dependencies = [
  "atomic_refcell",
  "byte-unit",
  "bytes",
- "chrono",
  "clap",
  "crossbeam-channel",
  "csv",
@@ -1840,6 +1867,7 @@ dependencies = [
  "tar",
  "tempfile",
  "thiserror",
+ "time 0.3.7",
  "tokio",
  "uuid",
  "walkdir",
@@ -1888,14 +1916,13 @@ dependencies = [
 
 [[package]]
 name = "milli"
-version = "0.22.1"
+version = "0.23.0"
-source = "git+https://github.com/meilisearch/milli.git?tag=v0.22.1#ea15ad6c34492b32eb7ac06e69de02b6dc70a707"
+source = "git+https://github.com/meilisearch/milli.git?tag=v0.22.2#f2984f66e64838d51f5cce412693fa411ee3f2d4"
 dependencies = [
  "bimap",
  "bincode",
  "bstr",
  "byteorder",
- "chrono",
  "concat-arrays",
  "crossbeam-channel",
  "csv",
@@ -1927,6 +1954,7 @@ dependencies = [
  "smallstr",
  "smallvec",
  "tempfile",
+ "time 0.3.7",
  "uuid",
 ]
 
@@ -2029,6 +2057,17 @@ name = "nelson"
 version = "0.1.0"
 source = "git+https://github.com/MarinPostma/nelson.git?rev=675f13885548fb415ead8fbb447e9e6d9314000a#675f13885548fb415ead8fbb447e9e6d9314000a"
 
+[[package]]
+name = "nom"
+version = "5.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffb4262d26ed83a1c0a33a38fe2bb15797329c85770da05e6b828ddb782627af"
+dependencies = [
+ "lexical-core",
+ "memchr",
+ "version_check",
+]
+
 [[package]]
 name = "nom"
 version = "7.1.0"
@@ -2048,7 +2087,7 @@ checksum = "37794436ca3029a3089e0b95d42da1f0b565ad271e4d3bb4bad0c7bb70b10605"
 dependencies = [
  "bytecount",
  "memchr",
- "nom",
+ "nom 7.1.0",
 ]
 
 [[package]]
@@ -2780,16 +2819,16 @@ dependencies = [
 
 [[package]]
 name = "segment"
-version = "0.1.2"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9bdcc286fff0e7c5ccd46c06a301c7a8a848b06acedc6983707bd311eb358002"
+checksum = "5c14967a911a216177366bac6dfa1209b597e311a32360431c63526e27b814fb"
 dependencies = [
  "async-trait",
- "chrono",
  "reqwest",
  "serde",
  "serde_json",
  "thiserror",
+ "time 0.3.7",
 ]
 
 [[package]]
@@ -2976,6 +3015,12 @@ dependencies = [
  "path-slash",
 ]
 
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -3147,6 +3192,7 @@ dependencies = [
  "itoa 1.0.1",
  "libc",
  "num_threads",
+ "serde",
  "time-macros",
 ]
 

meilisearch-auth/Cargo.toml

@@ -7,9 +7,9 @@ edition = "2021"
 enum-iterator = "0.7.0"
 heed = { git = "https://github.com/Kerollmops/heed", tag = "v0.12.1" }
 sha2 = "0.9.6"
-chrono = { version = "0.4.19", features = ["serde"] }
 meilisearch-error = { path = "../meilisearch-error" }
 serde_json = { version = "1.0.67", features = ["preserve_order"] }
+time = { version = "0.3.7", features = ["serde-well-known", "formatting", "parsing", "macros"] }
 rand = "0.8.4"
 serde = { version = "1.0.130", features = ["derive"] }
 thiserror = "1.0.28"

meilisearch-auth/src/error.rs

@@ -10,13 +10,13 @@ pub type Result<T> = std::result::Result<T, AuthControllerError>;
 pub enum AuthControllerError {
     #[error("`{0}` field is mandatory.")]
     MissingParameter(&'static str),
-    #[error("actions field value `{0}` is invalid. It should be an array of string representing action names.")]
+    #[error("`actions` field value `{0}` is invalid. It should be an array of string representing action names.")]
     InvalidApiKeyActions(Value),
-    #[error("indexes field value `{0}` is invalid. It should be an array of string representing index names.")]
+    #[error("`indexes` field value `{0}` is invalid. It should be an array of string representing index names.")]
     InvalidApiKeyIndexes(Value),
-    #[error("expiresAt field value `{0}` is invalid. It should be in ISO-8601 format to represents a date or datetime in the future or specified as a null value. e.g. 'YYYY-MM-DD' or 'YYYY-MM-DDTHH:MM:SS'.")]
+    #[error("`expiresAt` field value `{0}` is invalid. It should follow the RFC 3339 format to represents a date or datetime in the future or specified as a null value. e.g. 'YYYY-MM-DD' or 'YYYY-MM-DD HH:MM:SS'.")]
     InvalidApiKeyExpiresAt(Value),
-    #[error("description field value `{0}` is invalid. It should be a string or specified as a null value.")]
+    #[error("`description` field value `{0}` is invalid. It should be a string or specified as a null value.")]
     InvalidApiKeyDescription(Value),
     #[error("API key `{0}` not found.")]
     ApiKeyNotFound(String),

meilisearch-auth/src/key.rs

@@ -1,10 +1,12 @@
 use crate::action::Action;
 use crate::error::{AuthControllerError, Result};
 use crate::store::{KeyId, KEY_ID_LENGTH};
-use chrono::{DateTime, NaiveDate, NaiveDateTime, Utc};
 use rand::Rng;
 use serde::{Deserialize, Serialize};
 use serde_json::{from_value, Value};
+use time::format_description::well_known::Rfc3339;
+use time::macros::{format_description, time};
+use time::{Date, OffsetDateTime, PrimitiveDateTime};
 
 #[derive(Debug, Deserialize, Serialize)]
 pub struct Key {
@@ -13,9 +15,12 @@ pub struct Key {
     pub id: KeyId,
     pub actions: Vec<Action>,
     pub indexes: Vec<String>,
-    pub expires_at: Option<DateTime<Utc>>,
+    #[serde(with = "time::serde::rfc3339::option")]
-    pub created_at: DateTime<Utc>,
+    pub expires_at: Option<OffsetDateTime>,
-    pub updated_at: DateTime<Utc>,
+    #[serde(with = "time::serde::rfc3339")]
+    pub created_at: OffsetDateTime,
+    #[serde(with = "time::serde::rfc3339")]
+    pub updated_at: OffsetDateTime,
 }
 
 impl Key {
@@ -52,8 +57,8 @@ impl Key {
             .map(parse_expiration_date)
             .ok_or(AuthControllerError::MissingParameter("expiresAt"))??;
 
-        let created_at = Utc::now();
+        let created_at = OffsetDateTime::now_utc();
-        let updated_at = Utc::now();
+        let updated_at = created_at;
 
         Ok(Self {
             description,
@@ -89,24 +94,26 @@ impl Key {
             self.expires_at = parse_expiration_date(exp)?;
         }
 
-        self.updated_at = Utc::now();
+        self.updated_at = OffsetDateTime::now_utc();
 
         Ok(())
     }
 
     pub(crate) fn default_admin() -> Self {
+        let now = OffsetDateTime::now_utc();
         Self {
             description: Some("Default Admin API Key (Use it for all other operations. Caution! Do not use it on a public frontend)".to_string()),
             id: generate_id(),
             actions: vec![Action::All],
             indexes: vec!["*".to_string()],
             expires_at: None,
-            created_at: Utc::now(),
+            created_at: now,
-            updated_at: Utc::now(),
+            updated_at: now,
         }
     }
 
     pub(crate) fn default_search() -> Self {
+        let now = OffsetDateTime::now_utc();
         Self {
             description: Some(
                 "Default Search API Key (Use it to search from the frontend)".to_string(),
@@ -115,8 +122,8 @@ impl Key {
             actions: vec![Action::Search],
             indexes: vec!["*".to_string()],
             expires_at: None,
-            created_at: Utc::now(),
+            created_at: now,
-            updated_at: Utc::now(),
+            updated_at: now,
         }
     }
 }
@@ -134,22 +141,34 @@ fn generate_id() -> [u8; KEY_ID_LENGTH] {
     bytes
 }
 
-fn parse_expiration_date(value: &Value) -> Result<Option<DateTime<Utc>>> {
+fn parse_expiration_date(value: &Value) -> Result<Option<OffsetDateTime>> {
     match value {
-        Value::String(string) => DateTime::parse_from_rfc3339(string)
+        Value::String(string) => OffsetDateTime::parse(string, &Rfc3339)
-            .map(|d| d.into())
             .or_else(|_| {
-                NaiveDateTime::parse_from_str(string, "%Y-%m-%dT%H:%M:%S")
+                PrimitiveDateTime::parse(
-                    .map(|naive| DateTime::from_utc(naive, Utc))
+                    string,
+                    format_description!(
+                        "[year repr:full base:calendar]-[month repr:numerical]-[day]T[hour]:[minute]:[second]"
+                    ),
+                ).map(|datetime| datetime.assume_utc())
             })
             .or_else(|_| {
-                NaiveDate::parse_from_str(string, "%Y-%m-%d")
+                PrimitiveDateTime::parse(
-                    .map(|naive| DateTime::from_utc(naive.and_hms(0, 0, 0), Utc))
+                    string,
+                    format_description!(
+                        "[year repr:full base:calendar]-[month repr:numerical]-[day] [hour]:[minute]:[second]"
+                    ),
+                ).map(|datetime| datetime.assume_utc())
+            })
+            .or_else(|_| {
+                    Date::parse(string, format_description!(
+                        "[year repr:full base:calendar]-[month repr:numerical]-[day]"
+                    )).map(|date| PrimitiveDateTime::new(date, time!(00:00)).assume_utc())
             })
             .map_err(|_| AuthControllerError::InvalidApiKeyExpiresAt(value.clone()))
             // check if the key is already expired.
             .and_then(|d| {
-                if d > Utc::now() {
+                if d > OffsetDateTime::now_utc() {
                     Ok(d)
                 } else {
                     Err(AuthControllerError::InvalidApiKeyExpiresAt(value.clone()))

meilisearch-auth/src/lib.rs

@@ -9,10 +9,10 @@ use std::path::Path;
 use std::str::from_utf8;
 use std::sync::Arc;
 
-use chrono::Utc;
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
 use sha2::{Digest, Sha256};
+use time::OffsetDateTime;
 
 pub use action::{actions, Action};
 use error::{AuthControllerError, Result};
@@ -148,7 +148,7 @@ impl AuthController {
                 None => self.store.prefix_first_expiration_date(key, action)?,
             }) {
             // check expiration date.
-            Some(Some(exp)) => Ok(Utc::now() < exp),
+            Some(Some(exp)) => Ok(OffsetDateTime::now_utc() < exp),
             // no expiration date.
             Some(None) => Ok(true),
             // action or index forbidden.

meilisearch-auth/src/store.rs

@@ -8,9 +8,9 @@ use std::path::Path;
 use std::str;
 use std::sync::Arc;
 
-use chrono::{DateTime, Utc};
 use heed::types::{ByteSlice, DecodeIgnore, SerdeJson};
 use heed::{Database, Env, EnvOpenOptions, RwTxn};
+use time::OffsetDateTime;
 
 use super::error::Result;
 use super::{Action, Key};
@@ -27,7 +27,7 @@ pub type KeyId = [u8; KEY_ID_LENGTH];
 pub struct HeedAuthStore {
     env: Arc<Env>,
     keys: Database<ByteSlice, SerdeJson<Key>>,
-    action_keyid_index_expiration: Database<KeyIdActionCodec, SerdeJson<Option<DateTime<Utc>>>>,
+    action_keyid_index_expiration: Database<KeyIdActionCodec, SerdeJson<Option<OffsetDateTime>>>,
     should_close_on_drop: bool,
 }
 
@@ -146,7 +146,7 @@ impl HeedAuthStore {
         key: &[u8],
         action: Action,
         index: Option<&[u8]>,
-    ) -> Result<Option<Option<DateTime<Utc>>>> {
+    ) -> Result<Option<Option<OffsetDateTime>>> {
         let rtxn = self.env.read_txn()?;
         match self.get_key_id(key) {
             Some(id) => {
@@ -161,7 +161,7 @@ impl HeedAuthStore {
         &self,
         key: &[u8],
         action: Action,
-    ) -> Result<Option<Option<DateTime<Utc>>>> {
+    ) -> Result<Option<Option<OffsetDateTime>>> {
         let rtxn = self.env.read_txn()?;
         match self.get_key_id(key) {
             Some(id) => {

meilisearch-http/Cargo.toml

@@ -32,7 +32,6 @@ async-trait = "0.1.51"
 bstr = "0.2.17"
 byte-unit = { version = "4.0.12", default-features = false, features = ["std", "serde"] }
 bytes = "1.1.0"
-chrono = { version = "0.4.19", features = ["serde"] }
 crossbeam-channel = "0.5.1"
 either = "1.6.1"
 env_logger = "0.9.0"
@@ -43,6 +42,7 @@ futures-util = "0.3.17"
 heed = { git = "https://github.com/Kerollmops/heed", tag = "v0.12.1" }
 http = "0.2.4"
 indexmap = { version = "1.7.0", features = ["serde-1"] }
+iso8601-duration = "0.1.0"
 itertools = "0.10.1"
 jsonwebtoken = "7"
 log = "0.4.14"
@@ -61,7 +61,7 @@ rayon = "1.5.1"
 regex = "1.5.4"
 rustls = "0.20.2"
 rustls-pemfile = "0.2"
-segment = { version = "0.1.2", optional = true }
+segment = { version = "0.2.0", optional = true }
 serde = { version = "1.0.130", features = ["derive"] }
 serde_json = { version = "1.0.67", features = ["preserve_order"] }
 sha2 = "0.9.6"
@@ -73,6 +73,7 @@ sysinfo = "0.20.2"
 tar = "0.4.37"
 tempfile = "3.2.0"
 thiserror = "1.0.28"
+time = { version = "0.3.7", features = ["serde-well-known", "formatting", "parsing", "macros"] }
 tokio = { version = "1.11.0", features = ["full"] }
 tokio-stream = "0.1.7"
 uuid = { version = "0.8.2", features = ["serde"] }

meilisearch-http/src/analytics/segment_analytics.rs

@@ -6,7 +6,6 @@ use std::time::{Duration, Instant};
 
 use actix_web::http::header::USER_AGENT;
 use actix_web::HttpRequest;
-use chrono::{DateTime, Utc};
 use http::header::CONTENT_TYPE;
 use meilisearch_auth::SearchRules;
 use meilisearch_lib::index::{SearchQuery, SearchResult};
@@ -18,6 +17,7 @@ use segment::message::{Identify, Track, User};
 use segment::{AutoBatcher, Batcher, HttpClient};
 use serde_json::{json, Value};
 use sysinfo::{DiskExt, System, SystemExt};
+use time::OffsetDateTime;
 use tokio::select;
 use tokio::sync::mpsc::{self, Receiver, Sender};
 use uuid::Uuid;
@@ -323,7 +323,7 @@ impl Segment {
 
 #[derive(Default)]
 pub struct SearchAggregator {
-    timestamp: Option<DateTime<Utc>>,
+    timestamp: Option<OffsetDateTime>,
 
     // context
     user_agents: HashSet<String>,
@@ -360,7 +360,7 @@ pub struct SearchAggregator {
 impl SearchAggregator {
     pub fn from_query(query: &SearchQuery, request: &HttpRequest) -> Self {
         let mut ret = Self::default();
-        ret.timestamp = Some(chrono::offset::Utc::now());
+        ret.timestamp = Some(OffsetDateTime::now_utc());
 
         ret.total_received = 1;
         ret.user_agents = extract_user_agents(request).into_iter().collect();
@@ -504,7 +504,7 @@ impl SearchAggregator {
 
 #[derive(Default)]
 pub struct DocumentsAggregator {
-    timestamp: Option<DateTime<Utc>>,
+    timestamp: Option<OffsetDateTime>,
 
     // set to true when at least one request was received
     updated: bool,
@@ -524,7 +524,7 @@ impl DocumentsAggregator {
         request: &HttpRequest,
     ) -> Self {
         let mut ret = Self::default();
-        ret.timestamp = Some(chrono::offset::Utc::now());
+        ret.timestamp = Some(OffsetDateTime::now_utc());
 
         ret.updated = true;
         ret.user_agents = extract_user_agents(request).into_iter().collect();

meilisearch-http/src/extractors/authentication/mod.rs

@@ -94,10 +94,10 @@ pub trait Policy {
 }
 
 pub mod policies {
-    use chrono::Utc;
     use jsonwebtoken::{dangerous_insecure_decode, decode, Algorithm, DecodingKey, Validation};
     use once_cell::sync::Lazy;
     use serde::{Deserialize, Serialize};
+    use time::OffsetDateTime;
 
     use crate::extractors::authentication::Policy;
     use meilisearch_auth::{Action, AuthController, AuthFilter, SearchRules};
@@ -183,7 +183,7 @@ pub mod policies {
 
             // Check if token is expired.
             if let Some(exp) = exp {
-                if Utc::now().timestamp() > exp {
+                if OffsetDateTime::now_utc().unix_timestamp() > exp {
                     return None;
                 }
             }

meilisearch-http/src/routes/api_key.rs

@@ -1,11 +1,11 @@
 use std::str;
 
 use actix_web::{web, HttpRequest, HttpResponse};
-use chrono::SecondsFormat;
 
 use meilisearch_auth::{Action, AuthController, Key};
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
+use time::OffsetDateTime;
 
 use crate::extractors::authentication::{policies::*, GuardedData};
 use meilisearch_error::ResponseError;
@@ -92,9 +92,12 @@ struct KeyView {
     key: String,
     actions: Vec<Action>,
     indexes: Vec<String>,
-    expires_at: Option<String>,
+    #[serde(serialize_with = "time::serde::rfc3339::option::serialize")]
-    created_at: String,
+    expires_at: Option<OffsetDateTime>,
-    updated_at: String,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
+    created_at: OffsetDateTime,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
+    updated_at: OffsetDateTime,
 }
 
 impl KeyView {
@@ -107,11 +110,9 @@ impl KeyView {
             key: generated_key,
             actions: key.actions,
             indexes: key.indexes,
-            expires_at: key
+            expires_at: key.expires_at,
-                .expires_at
+            created_at: key.created_at,
-                .map(|dt| dt.to_rfc3339_opts(SecondsFormat::Secs, true)),
+            updated_at: key.updated_at,
-            created_at: key.created_at.to_rfc3339_opts(SecondsFormat::Secs, true),
-            updated_at: key.updated_at.to_rfc3339_opts(SecondsFormat::Secs, true),
         }
     }
 }

meilisearch-http/src/routes/indexes/mod.rs

@@ -1,11 +1,11 @@
 use actix_web::{web, HttpRequest, HttpResponse};
-use chrono::{DateTime, Utc};
 use log::debug;
 use meilisearch_error::ResponseError;
 use meilisearch_lib::index_controller::Update;
 use meilisearch_lib::MeiliSearch;
 use serde::{Deserialize, Serialize};
 use serde_json::json;
+use time::OffsetDateTime;
 
 use crate::analytics::Analytics;
 use crate::extractors::authentication::{policies::*, GuardedData};
@@ -95,9 +95,12 @@ pub struct UpdateIndexRequest {
 pub struct UpdateIndexResponse {
     name: String,
     uid: String,
-    created_at: DateTime<Utc>,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
-    updated_at: DateTime<Utc>,
+    created_at: OffsetDateTime,
-    primary_key: Option<String>,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
+    updated_at: OffsetDateTime,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
+    primary_key: OffsetDateTime,
 }
 
 pub async fn get_index(

meilisearch-http/src/routes/indexes/tasks.rs

@@ -1,10 +1,10 @@
 use actix_web::{web, HttpRequest, HttpResponse};
-use chrono::{DateTime, Utc};
 use log::debug;
 use meilisearch_error::ResponseError;
 use meilisearch_lib::MeiliSearch;
 use serde::{Deserialize, Serialize};
 use serde_json::json;
+use time::OffsetDateTime;
 
 use crate::analytics::Analytics;
 use crate::extractors::authentication::{policies::*, GuardedData};
@@ -20,9 +20,12 @@ pub fn configure(cfg: &mut web::ServiceConfig) {
 pub struct UpdateIndexResponse {
     name: String,
     uid: String,
-    created_at: DateTime<Utc>,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
-    updated_at: DateTime<Utc>,
+    created_at: OffsetDateTime,
-    primary_key: Option<String>,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
+    updated_at: OffsetDateTime,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
+    primary_key: OffsetDateTime,
 }
 
 #[derive(Deserialize)]

meilisearch-http/src/routes/mod.rs

@@ -1,7 +1,7 @@
 use actix_web::{web, HttpResponse};
-use chrono::{DateTime, Utc};
 use log::debug;
 use serde::{Deserialize, Serialize};
+use time::OffsetDateTime;
 
 use meilisearch_error::ResponseError;
 use meilisearch_lib::index::{Settings, Unchecked};
@@ -54,8 +54,10 @@ pub struct ProcessedUpdateResult {
     #[serde(rename = "type")]
     pub update_type: UpdateType,
     pub duration: f64, // in seconds
-    pub enqueued_at: DateTime<Utc>,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
-    pub processed_at: DateTime<Utc>,
+    pub enqueued_at: OffsetDateTime,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
+    pub processed_at: OffsetDateTime,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -66,8 +68,10 @@ pub struct FailedUpdateResult {
     pub update_type: UpdateType,
     pub error: ResponseError,
     pub duration: f64, // in seconds
-    pub enqueued_at: DateTime<Utc>,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
-    pub processed_at: DateTime<Utc>,
+    pub enqueued_at: OffsetDateTime,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
+    pub processed_at: OffsetDateTime,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -76,9 +80,13 @@ pub struct EnqueuedUpdateResult {
     pub update_id: u64,
     #[serde(rename = "type")]
     pub update_type: UpdateType,
-    pub enqueued_at: DateTime<Utc>,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
-    #[serde(skip_serializing_if = "Option::is_none")]
+    pub enqueued_at: OffsetDateTime,
-    pub started_processing_at: Option<DateTime<Utc>>,
+    #[serde(
+        skip_serializing_if = "Option::is_none",
+        serialize_with = "time::serde::rfc3339::option::serialize"
+    )]
+    pub started_processing_at: Option<OffsetDateTime>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]

meilisearch-http/src/task.rs

@@ -1,4 +1,6 @@
-use chrono::{DateTime, Duration, Utc};
+use std::fmt::Write;
+use std::write;
+
 use meilisearch_error::ResponseError;
 use meilisearch_lib::index::{Settings, Unchecked};
 use meilisearch_lib::milli::update::IndexDocumentsMethod;
@@ -7,6 +9,7 @@ use meilisearch_lib::tasks::task::{
     DocumentDeletion, Task, TaskContent, TaskEvent, TaskId, TaskResult,
 };
 use serde::{Serialize, Serializer};
+use time::{Duration, OffsetDateTime};
 
 use crate::AUTOBATCHING_ENABLED;
 
@@ -79,14 +82,52 @@ enum TaskDetails {
     ClearAll { deleted_documents: Option<u64> },
 }
 
+/// Serialize a `time::Duration` as a best effort ISO 8601 while waiting for
+/// https://github.com/time-rs/time/issues/378.
+/// This code is a port of the old code of time that was removed in 0.2.
 fn serialize_duration<S: Serializer>(
     duration: &Option<Duration>,
     serializer: S,
 ) -> Result<S::Ok, S::Error> {
     match duration {
         Some(duration) => {
-            let duration_str = duration.to_string();
+            // technically speaking, negative duration is not valid ISO 8601
-            serializer.serialize_str(&duration_str)
+            if duration.is_negative() {
+                return serializer.serialize_none();
+            }
+
+            const SECS_PER_DAY: i64 = Duration::DAY.whole_seconds();
+            let secs = duration.whole_seconds();
+            let days = secs / SECS_PER_DAY;
+            let secs = secs - days * SECS_PER_DAY;
+            let hasdate = days != 0;
+            let nanos = duration.subsec_nanoseconds();
+            let hastime = (secs != 0 || nanos != 0) || !hasdate;
+
+            // all the following unwrap can't fail
+            let mut res = String::new();
+            write!(&mut res, "P").unwrap();
+
+            if hasdate {
+                write!(&mut res, "{}D", days).unwrap();
+            }
+
+            const NANOS_PER_MILLI: i32 = Duration::MILLISECOND.subsec_nanoseconds();
+            const NANOS_PER_MICRO: i32 = Duration::MICROSECOND.subsec_nanoseconds();
+
+            if hastime {
+                if nanos == 0 {
+                    write!(&mut res, "T{}S", secs).unwrap();
+                } else if nanos % NANOS_PER_MILLI == 0 {
+                    write!(&mut res, "T{}.{:03}S", secs, nanos / NANOS_PER_MILLI).unwrap();
+                } else if nanos % NANOS_PER_MICRO == 0 {
+                    write!(&mut res, "T{}.{:06}S", secs, nanos / NANOS_PER_MICRO).unwrap();
+                } else {
+                    write!(&mut res, "T{}.{:09}S", secs, nanos).unwrap();
+                }
+            }
+
+            serializer.serialize_str(&res)
         }
         None => serializer.serialize_none(),
     }
@@ -106,9 +147,12 @@ pub struct TaskView {
     error: Option<ResponseError>,
     #[serde(serialize_with = "serialize_duration")]
     duration: Option<Duration>,
-    enqueued_at: DateTime<Utc>,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
-    started_at: Option<DateTime<Utc>>,
+    enqueued_at: OffsetDateTime,
-    finished_at: Option<DateTime<Utc>>,
+    #[serde(serialize_with = "time::serde::rfc3339::option::serialize")]
+    started_at: Option<OffsetDateTime>,
+    #[serde(serialize_with = "time::serde::rfc3339::option::serialize")]
+    finished_at: Option<OffsetDateTime>,
     #[serde(skip_serializing_if = "Option::is_none")]
     batch_uid: Option<Option<BatchId>>,
 }
@@ -302,7 +346,8 @@ pub struct SummarizedTaskView {
     status: TaskStatus,
     #[serde(rename = "type")]
     task_type: TaskType,
-    enqueued_at: DateTime<Utc>,
+    #[serde(serialize_with = "time::serde::rfc3339::serialize")]
+    enqueued_at: OffsetDateTime,
 }
 
 impl From<Task> for SummarizedTaskView {

meilisearch-http/tests/auth/api_keys.rs

@@ -257,7 +257,7 @@ async fn error_add_api_key_missing_parameter() {
         "message": "`indexes` field is mandatory.",
         "code": "missing_parameter",
         "type": "invalid_request",
-        "link":"https://docs.meilisearch.com/errors#missing_parameter"
+        "link": "https://docs.meilisearch.com/errors#missing_parameter"
     });
 
     assert_eq!(response, expected_response);
@@ -275,7 +275,7 @@ async fn error_add_api_key_missing_parameter() {
         "message": "`actions` field is mandatory.",
         "code": "missing_parameter",
         "type": "invalid_request",
-        "link":"https://docs.meilisearch.com/errors#missing_parameter"
+        "link": "https://docs.meilisearch.com/errors#missing_parameter"
     });
 
     assert_eq!(response, expected_response);
@@ -293,7 +293,7 @@ async fn error_add_api_key_missing_parameter() {
         "message": "`expiresAt` field is mandatory.",
         "code": "missing_parameter",
         "type": "invalid_request",
-        "link":"https://docs.meilisearch.com/errors#missing_parameter"
+        "link": "https://docs.meilisearch.com/errors#missing_parameter"
     });
 
     assert_eq!(response, expected_response);
@@ -316,7 +316,7 @@ async fn error_add_api_key_invalid_parameters_description() {
     let (response, code) = server.add_api_key(content).await;
 
     let expected_response = json!({
-        "message": r#"description field value `{"name":"products"}` is invalid. It should be a string or specified as a null value."#,
+        "message": r#"`description` field value `{"name":"products"}` is invalid. It should be a string or specified as a null value."#,
         "code": "invalid_api_key_description",
         "type": "invalid_request",
         "link": "https://docs.meilisearch.com/errors#invalid_api_key_description"
@@ -342,7 +342,7 @@ async fn error_add_api_key_invalid_parameters_indexes() {
     let (response, code) = server.add_api_key(content).await;
 
     let expected_response = json!({
-        "message": r#"indexes field value `{"name":"products"}` is invalid. It should be an array of string representing index names."#,
+        "message": r#"`indexes` field value `{"name":"products"}` is invalid. It should be an array of string representing index names."#,
         "code": "invalid_api_key_indexes",
         "type": "invalid_request",
         "link": "https://docs.meilisearch.com/errors#invalid_api_key_indexes"
@@ -366,7 +366,7 @@ async fn error_add_api_key_invalid_parameters_actions() {
     let (response, code) = server.add_api_key(content).await;
 
     let expected_response = json!({
-        "message": r#"actions field value `{"name":"products"}` is invalid. It should be an array of string representing action names."#,
+        "message": r#"`actions` field value `{"name":"products"}` is invalid. It should be an array of string representing action names."#,
         "code": "invalid_api_key_actions",
         "type": "invalid_request",
         "link": "https://docs.meilisearch.com/errors#invalid_api_key_actions"
@@ -386,7 +386,7 @@ async fn error_add_api_key_invalid_parameters_actions() {
     let (response, code) = server.add_api_key(content).await;
 
     let expected_response = json!({
-        "message": r#"actions field value `["doc.add"]` is invalid. It should be an array of string representing action names."#,
+        "message": r#"`actions` field value `["doc.add"]` is invalid. It should be an array of string representing action names."#,
         "code": "invalid_api_key_actions",
         "type": "invalid_request",
         "link": "https://docs.meilisearch.com/errors#invalid_api_key_actions"
@@ -412,7 +412,7 @@ async fn error_add_api_key_invalid_parameters_expires_at() {
     let (response, code) = server.add_api_key(content).await;
 
     let expected_response = json!({
-        "message": r#"expiresAt field value `{"name":"products"}` is invalid. It should be in ISO-8601 format to represents a date or datetime in the future or specified as a null value. e.g. 'YYYY-MM-DD' or 'YYYY-MM-DDTHH:MM:SS'."#,
+        "message": r#"`expiresAt` field value `{"name":"products"}` is invalid. It should follow the RFC 3339 format to represents a date or datetime in the future or specified as a null value. e.g. 'YYYY-MM-DD' or 'YYYY-MM-DD HH:MM:SS'."#,
         "code": "invalid_api_key_expires_at",
         "type": "invalid_request",
         "link": "https://docs.meilisearch.com/errors#invalid_api_key_expires_at"
@@ -438,7 +438,7 @@ async fn error_add_api_key_invalid_parameters_expires_at_in_the_past() {
     let (response, code) = server.add_api_key(content).await;
 
     let expected_response = json!({
-        "message": r#"expiresAt field value `"2010-11-13T00:00:00Z"` is invalid. It should be in ISO-8601 format to represents a date or datetime in the future or specified as a null value. e.g. 'YYYY-MM-DD' or 'YYYY-MM-DDTHH:MM:SS'."#,
+        "message": r#"`expiresAt` field value `"2010-11-13T00:00:00Z"` is invalid. It should follow the RFC 3339 format to represents a date or datetime in the future or specified as a null value. e.g. 'YYYY-MM-DD' or 'YYYY-MM-DD HH:MM:SS'."#,
         "code": "invalid_api_key_expires_at",
         "type": "invalid_request",
         "link": "https://docs.meilisearch.com/errors#invalid_api_key_expires_at"
@@ -1213,7 +1213,7 @@ async fn error_patch_api_key_indexes_invalid_parameters() {
     let (response, code) = server.patch_api_key(&key, content).await;
 
     let expected_response = json!({
-        "message": "description field value `13` is invalid. It should be a string or specified as a null value.",
+        "message": "`description` field value `13` is invalid. It should be a string or specified as a null value.",
         "code": "invalid_api_key_description",
         "type": "invalid_request",
         "link": "https://docs.meilisearch.com/errors#invalid_api_key_description"
@@ -1230,7 +1230,7 @@ async fn error_patch_api_key_indexes_invalid_parameters() {
     let (response, code) = server.patch_api_key(&key, content).await;
 
     let expected_response = json!({
-        "message": "indexes field value `13` is invalid. It should be an array of string representing index names.",
+        "message": "`indexes` field value `13` is invalid. It should be an array of string representing index names.",
         "code": "invalid_api_key_indexes",
         "type": "invalid_request",
         "link": "https://docs.meilisearch.com/errors#invalid_api_key_indexes"
@@ -1246,7 +1246,7 @@ async fn error_patch_api_key_indexes_invalid_parameters() {
     let (response, code) = server.patch_api_key(&key, content).await;
 
     let expected_response = json!({
-        "message": "actions field value `13` is invalid. It should be an array of string representing action names.",
+        "message": "`actions` field value `13` is invalid. It should be an array of string representing action names.",
         "code": "invalid_api_key_actions",
         "type": "invalid_request",
         "link": "https://docs.meilisearch.com/errors#invalid_api_key_actions"
@@ -1262,7 +1262,7 @@ async fn error_patch_api_key_indexes_invalid_parameters() {
     let (response, code) = server.patch_api_key(&key, content).await;
 
     let expected_response = json!({
-        "message": "expiresAt field value `13` is invalid. It should be in ISO-8601 format to represents a date or datetime in the future or specified as a null value. e.g. 'YYYY-MM-DD' or 'YYYY-MM-DDTHH:MM:SS'.",
+        "message": "`expiresAt` field value `13` is invalid. It should follow the RFC 3339 format to represents a date or datetime in the future or specified as a null value. e.g. 'YYYY-MM-DD' or 'YYYY-MM-DD HH:MM:SS'.",
         "code": "invalid_api_key_expires_at",
         "type": "invalid_request",
         "link": "https://docs.meilisearch.com/errors#invalid_api_key_expires_at"

meilisearch-http/tests/auth/authorization.rs

@@ -1,9 +1,10 @@
 use crate::common::Server;
-use chrono::{Duration, Utc};
+use ::time::format_description::well_known::Rfc3339;
 use maplit::{hashmap, hashset};
 use once_cell::sync::Lazy;
 use serde_json::{json, Value};
 use std::collections::{HashMap, HashSet};
+use time::{Duration, OffsetDateTime};
 
 pub static AUTHORIZATIONS: Lazy<HashMap<(&'static str, &'static str), HashSet<&'static str>>> =
     Lazy::new(|| {
@@ -76,7 +77,7 @@ async fn error_access_expired_key() {
     let content = json!({
         "indexes": ["products"],
         "actions": ALL_ACTIONS.clone(),
-        "expiresAt": (Utc::now() + Duration::seconds(1)),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::seconds(1)).format(&Rfc3339).unwrap(),
     });
 
     let (response, code) = server.add_api_key(content).await;
@@ -106,7 +107,7 @@ async fn error_access_unauthorized_index() {
     let content = json!({
         "indexes": ["sales"],
         "actions": ALL_ACTIONS.clone(),
-        "expiresAt": Utc::now() + Duration::hours(1),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::hours(1)).format(&Rfc3339).unwrap(),
     });
 
     let (response, code) = server.add_api_key(content).await;
@@ -137,7 +138,7 @@ async fn error_access_unauthorized_action() {
     let content = json!({
         "indexes": ["products"],
         "actions": [],
-        "expiresAt": Utc::now() + Duration::hours(1),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::hours(1)).format(&Rfc3339).unwrap(),
     });
 
     let (response, code) = server.add_api_key(content).await;
@@ -174,7 +175,7 @@ async fn access_authorized_restricted_index() {
     let content = json!({
         "indexes": ["products"],
         "actions": [],
-        "expiresAt": Utc::now() + Duration::hours(1),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::hours(1)).format(&Rfc3339).unwrap(),
     });
 
     let (response, code) = server.add_api_key(content).await;
@@ -213,7 +214,7 @@ async fn access_authorized_no_index_restriction() {
     let content = json!({
         "indexes": ["*"],
         "actions": [],
-        "expiresAt": Utc::now() + Duration::hours(1),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::hours(1)).format(&Rfc3339).unwrap(),
     });
 
     let (response, code) = server.add_api_key(content).await;
@@ -263,7 +264,7 @@ async fn access_authorized_stats_restricted_index() {
     let content = json!({
         "indexes": ["products"],
         "actions": ["stats.get"],
-        "expiresAt": Utc::now() + Duration::hours(1),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::hours(1)).format(&Rfc3339).unwrap(),
     });
     let (response, code) = server.add_api_key(content).await;
     assert_eq!(code, 201);
@@ -303,7 +304,7 @@ async fn access_authorized_stats_no_index_restriction() {
     let content = json!({
         "indexes": ["*"],
         "actions": ["stats.get"],
-        "expiresAt": Utc::now() + Duration::hours(1),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::hours(1)).format(&Rfc3339).unwrap(),
     });
     let (response, code) = server.add_api_key(content).await;
     assert_eq!(code, 201);
@@ -343,7 +344,7 @@ async fn list_authorized_indexes_restricted_index() {
     let content = json!({
         "indexes": ["products"],
         "actions": ["indexes.get"],
-        "expiresAt": Utc::now() + Duration::hours(1),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::hours(1)).format(&Rfc3339).unwrap(),
     });
     let (response, code) = server.add_api_key(content).await;
     assert_eq!(code, 201);
@@ -384,7 +385,7 @@ async fn list_authorized_indexes_no_index_restriction() {
     let content = json!({
         "indexes": ["*"],
         "actions": ["indexes.get"],
-        "expiresAt": Utc::now() + Duration::hours(1),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::hours(1)).format(&Rfc3339).unwrap(),
     });
     let (response, code) = server.add_api_key(content).await;
     assert_eq!(code, 201);
@@ -424,7 +425,7 @@ async fn list_authorized_tasks_restricted_index() {
     let content = json!({
         "indexes": ["products"],
         "actions": ["tasks.get"],
-        "expiresAt": Utc::now() + Duration::hours(1),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::hours(1)).format(&Rfc3339).unwrap(),
     });
     let (response, code) = server.add_api_key(content).await;
     assert_eq!(code, 201);
@@ -464,7 +465,7 @@ async fn list_authorized_tasks_no_index_restriction() {
     let content = json!({
         "indexes": ["*"],
         "actions": ["tasks.get"],
-        "expiresAt": Utc::now() + Duration::hours(1),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::hours(1)).format(&Rfc3339).unwrap(),
     });
     let (response, code) = server.add_api_key(content).await;
     assert_eq!(code, 201);

meilisearch-http/tests/auth/tenant_token.rs

@@ -1,9 +1,10 @@
 use crate::common::Server;
-use chrono::{Duration, Utc};
+use ::time::format_description::well_known::Rfc3339;
 use maplit::hashmap;
 use once_cell::sync::Lazy;
 use serde_json::{json, Value};
 use std::collections::HashMap;
+use time::{Duration, OffsetDateTime};
 
 use super::authorization::{ALL_ACTIONS, AUTHORIZATIONS};
 
@@ -63,22 +64,22 @@ static ACCEPTED_KEYS: Lazy<Vec<Value>> = Lazy::new(|| {
         json!({
             "indexes": ["*"],
             "actions": ["*"],
-            "expiresAt": Utc::now() + Duration::days(1)
+            "expiresAt": (OffsetDateTime::now_utc() + Duration::days(1)).format(&Rfc3339).unwrap()
         }),
         json!({
             "indexes": ["*"],
             "actions": ["search"],
-            "expiresAt": Utc::now() + Duration::days(1)
+            "expiresAt": (OffsetDateTime::now_utc() + Duration::days(1)).format(&Rfc3339).unwrap()
         }),
         json!({
             "indexes": ["sales"],
             "actions": ["*"],
-            "expiresAt": Utc::now() + Duration::days(1)
+            "expiresAt": (OffsetDateTime::now_utc() + Duration::days(1)).format(&Rfc3339).unwrap()
         }),
         json!({
             "indexes": ["sales"],
             "actions": ["search"],
-            "expiresAt": Utc::now() + Duration::days(1)
+            "expiresAt": (OffsetDateTime::now_utc() + Duration::days(1)).format(&Rfc3339).unwrap()
         }),
     ]
 });
@@ -89,23 +90,23 @@ static REFUSED_KEYS: Lazy<Vec<Value>> = Lazy::new(|| {
         json!({
             "indexes": ["*"],
             "actions": ALL_ACTIONS.iter().cloned().filter(|a| *a != "search" && *a != "*").collect::<Vec<_>>(),
-            "expiresAt": Utc::now() + Duration::days(1)
+            "expiresAt": (OffsetDateTime::now_utc() + Duration::days(1)).format(&Rfc3339).unwrap()
         }),
         json!({
             "indexes": ["sales"],
             "actions": ALL_ACTIONS.iter().cloned().filter(|a| *a != "search" && *a != "*").collect::<Vec<_>>(),
-            "expiresAt": Utc::now() + Duration::days(1)
+            "expiresAt": (OffsetDateTime::now_utc() + Duration::days(1)).format(&Rfc3339).unwrap()
         }),
         // bad index
         json!({
             "indexes": ["products"],
             "actions": ["*"],
-            "expiresAt": Utc::now() + Duration::days(1)
+            "expiresAt": (OffsetDateTime::now_utc() + Duration::days(1)).format(&Rfc3339).unwrap()
         }),
         json!({
             "indexes": ["products"],
             "actions": ["search"],
-            "expiresAt": Utc::now() + Duration::days(1)
+            "expiresAt": (OffsetDateTime::now_utc() + Duration::days(1)).format(&Rfc3339).unwrap()
         }),
     ]
 });
@@ -204,19 +205,19 @@ async fn search_authorized_simple_token() {
     let tenant_tokens = vec![
         hashmap! {
             "searchRules" => json!({"*": {}}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!(["*"]),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"sales": {}}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!(["sales"]),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"*": {}}),
@@ -253,19 +254,19 @@ async fn search_authorized_filter_token() {
     let tenant_tokens = vec![
         hashmap! {
             "searchRules" => json!({"*": {"filter": "color = blue"}}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"sales": {"filter": "color = blue"}}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"*": {"filter": ["color = blue"]}}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"sales": {"filter": ["color = blue"]}}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         // filter on sales should override filters on *
         hashmap! {
@@ -273,28 +274,28 @@ async fn search_authorized_filter_token() {
                 "*": {"filter": "color = green"},
                 "sales": {"filter": "color = blue"}
             }),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({
                 "*": {},
                 "sales": {"filter": "color = blue"}
             }),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({
                 "*": {"filter": "color = green"},
                 "sales": {"filter": ["color = blue"]}
             }),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({
                 "*": {},
                 "sales": {"filter": ["color = blue"]}
             }),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
     ];
 
@@ -307,19 +308,19 @@ async fn filter_search_authorized_filter_token() {
     let tenant_tokens = vec![
         hashmap! {
             "searchRules" => json!({"*": {"filter": "color = blue"}}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"sales": {"filter": "color = blue"}}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"*": {"filter": ["color = blue"]}}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"sales": {"filter": ["color = blue"]}}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         // filter on sales should override filters on *
         hashmap! {
@@ -327,28 +328,28 @@ async fn filter_search_authorized_filter_token() {
                 "*": {"filter": "color = green"},
                 "sales": {"filter": "color = blue"}
             }),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({
                 "*": {},
                 "sales": {"filter": "color = blue"}
             }),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({
                 "*": {"filter": "color = green"},
                 "sales": {"filter": ["color = blue"]}
             }),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({
                 "*": {},
                 "sales": {"filter": ["color = blue"]}
             }),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
     ];
 
@@ -361,27 +362,27 @@ async fn error_search_token_forbidden_parent_key() {
     let tenant_tokens = vec![
         hashmap! {
             "searchRules" => json!({"*": {}}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"*": Value::Null}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!(["*"]),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"sales": {}}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"sales": Value::Null}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!(["sales"]),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
     ];
 
@@ -395,11 +396,11 @@ async fn error_search_forbidden_token() {
         // bad index
         hashmap! {
             "searchRules" => json!({"products": {}}),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!(["products"]),
-            "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"products": {}}),
@@ -416,27 +417,27 @@ async fn error_search_forbidden_token() {
         // expired token
         hashmap! {
             "searchRules" => json!({"*": {}}),
-            "exp" => json!((Utc::now() - Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() - Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"*": Value::Null}),
-            "exp" => json!((Utc::now() - Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() - Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!(["*"]),
-            "exp" => json!((Utc::now() - Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() - Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"sales": {}}),
-            "exp" => json!((Utc::now() - Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() - Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!({"sales": Value::Null}),
-            "exp" => json!((Utc::now() - Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() - Duration::hours(1)).unix_timestamp())
         },
         hashmap! {
             "searchRules" => json!(["sales"]),
-            "exp" => json!((Utc::now() - Duration::hours(1)).timestamp())
+            "exp" => json!((OffsetDateTime::now_utc() - Duration::hours(1)).unix_timestamp())
         },
     ];
 
@@ -452,7 +453,7 @@ async fn error_access_forbidden_routes() {
     let content = json!({
         "indexes": ["*"],
         "actions": ["*"],
-        "expiresAt": (Utc::now() + Duration::hours(1)),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::hours(1)).format(&Rfc3339).unwrap(),
     });
 
     let (response, code) = server.add_api_key(content).await;
@@ -463,7 +464,7 @@ async fn error_access_forbidden_routes() {
 
     let tenant_token = hashmap! {
         "searchRules" => json!(["*"]),
-        "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+        "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
     };
     let web_token = generate_tenant_token(&key, tenant_token);
     server.use_api_key(&web_token);
@@ -487,7 +488,7 @@ async fn error_access_expired_parent_key() {
     let content = json!({
         "indexes": ["*"],
         "actions": ["*"],
-        "expiresAt": (Utc::now() + Duration::seconds(1)),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::seconds(1)).format(&Rfc3339).unwrap(),
     });
 
     let (response, code) = server.add_api_key(content).await;
@@ -498,7 +499,7 @@ async fn error_access_expired_parent_key() {
 
     let tenant_token = hashmap! {
         "searchRules" => json!(["*"]),
-        "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+        "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
     };
     let web_token = generate_tenant_token(&key, tenant_token);
     server.use_api_key(&web_token);
@@ -529,7 +530,7 @@ async fn error_access_modified_token() {
     let content = json!({
         "indexes": ["*"],
         "actions": ["*"],
-        "expiresAt": (Utc::now() + Duration::hours(1)),
+        "expiresAt": (OffsetDateTime::now_utc() + Duration::hours(1)).format(&Rfc3339).unwrap(),
     });
 
     let (response, code) = server.add_api_key(content).await;
@@ -540,7 +541,7 @@ async fn error_access_modified_token() {
 
     let tenant_token = hashmap! {
         "searchRules" => json!(["products"]),
-        "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+        "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
     };
     let web_token = generate_tenant_token(&key, tenant_token);
     server.use_api_key(&web_token);
@@ -554,7 +555,7 @@ async fn error_access_modified_token() {
 
     let tenant_token = hashmap! {
         "searchRules" => json!(["*"]),
-        "exp" => json!((Utc::now() + Duration::hours(1)).timestamp())
+        "exp" => json!((OffsetDateTime::now_utc() + Duration::hours(1)).unix_timestamp())
     };
 
     let alt = generate_tenant_token(&key, tenant_token);

meilisearch-http/tests/documents/add_documents.rs

@@ -1,8 +1,8 @@
 use crate::common::{GetAllDocumentsOptions, Server};
 use actix_web::test;
-use chrono::DateTime;
 use meilisearch_http::{analytics, create_app};
 use serde_json::{json, Value};
+use time::{format_description::well_known::Rfc3339, OffsetDateTime};
 
 /// This is the basic usage of our API and every other tests uses the content-type application/json
 #[actix_rt::test]
@@ -568,9 +568,9 @@ async fn add_documents_no_index_creation() {
     assert_eq!(response["details"]["indexedDocuments"], 1);
 
     let processed_at =
-        DateTime::parse_from_rfc3339(response["finishedAt"].as_str().unwrap()).unwrap();
+        OffsetDateTime::parse(response["finishedAt"].as_str().unwrap(), &Rfc3339).unwrap();
     let enqueued_at =
-        DateTime::parse_from_rfc3339(response["enqueuedAt"].as_str().unwrap()).unwrap();
+        OffsetDateTime::parse(response["enqueuedAt"].as_str().unwrap(), &Rfc3339).unwrap();
     assert!(processed_at > enqueued_at);
 
     // index was created, and primary key was infered.

meilisearch-http/tests/index/update_index.rs

@@ -1,6 +1,6 @@
 use crate::common::Server;
-use chrono::DateTime;
 use serde_json::json;
+use time::{format_description::well_known::Rfc3339, OffsetDateTime};
 
 #[actix_rt::test]
 async fn update_primary_key() {
@@ -25,8 +25,10 @@ async fn update_primary_key() {
     assert!(response.get("createdAt").is_some());
     assert!(response.get("updatedAt").is_some());
 
-    let created_at = DateTime::parse_from_rfc3339(response["createdAt"].as_str().unwrap()).unwrap();
+    let created_at =
-    let updated_at = DateTime::parse_from_rfc3339(response["updatedAt"].as_str().unwrap()).unwrap();
+        OffsetDateTime::parse(response["createdAt"].as_str().unwrap(), &Rfc3339).unwrap();
+    let updated_at =
+        OffsetDateTime::parse(response["updatedAt"].as_str().unwrap(), &Rfc3339).unwrap();
     assert!(created_at < updated_at);
 
     assert_eq!(response["primaryKey"], "primary");

meilisearch-http/tests/tasks/mod.rs

@@ -1,6 +1,7 @@
 use crate::common::Server;
-use chrono::{DateTime, Utc};
 use serde_json::json;
+use time::format_description::well_known::Rfc3339;
+use time::OffsetDateTime;
 
 #[actix_rt::test]
 async fn error_get_task_unexisting_index() {
@@ -98,7 +99,8 @@ macro_rules! assert_valid_summarized_task {
         assert_eq!($response["status"], "enqueued");
         assert_eq!($response["type"], $task_type);
         let date = $response["enqueuedAt"].as_str().expect("missing date");
-        date.parse::<DateTime<Utc>>().unwrap();
+
+        OffsetDateTime::parse(date, &Rfc3339).unwrap();
     }};
 }
 

meilisearch-lib/Cargo.toml

@@ -12,7 +12,6 @@ async-stream = "0.3.2"
 async-trait = "0.1.51"
 byte-unit = { version = "4.0.12", default-features = false, features = ["std"] }
 bytes = "1.1.0"
-chrono = { version = "0.4.19", features = ["serde"] }
 csv = "1.1.6"
 crossbeam-channel = "0.5.1"
 either = "1.6.1"
@@ -28,7 +27,7 @@ lazy_static = "1.4.0"
 log = "0.4.14"
 meilisearch-error = { path = "../meilisearch-error" }
 meilisearch-auth = { path = "../meilisearch-auth" }
-milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.22.1" }
+milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.22.2" }
 mime = "0.3.16"
 num_cpus = "1.13.0"
 once_cell = "1.8.0"
@@ -45,6 +44,7 @@ clap = { version = "3.0", features = ["derive", "env"] }
 tar = "0.4.37"
 tempfile = "3.2.0"
 thiserror = "1.0.28"
+time = { version = "0.3.7", features = ["serde-well-known", "formatting", "parsing", "macros"] }
 tokio = { version = "1.11.0", features = ["full"] }
 uuid = { version = "0.8.2", features = ["serde"] }
 walkdir = "2.3.2"

meilisearch-lib/src/index/index.rs

@@ -5,12 +5,12 @@ use std::ops::Deref;
 use std::path::Path;
 use std::sync::Arc;
 
-use chrono::{DateTime, Utc};
 use heed::{EnvOpenOptions, RoTxn};
 use milli::update::{IndexerConfig, Setting};
 use milli::{obkv_to_json, FieldDistribution, FieldId};
 use serde::{Deserialize, Serialize};
 use serde_json::{Map, Value};
+use time::OffsetDateTime;
 use uuid::Uuid;
 
 use crate::EnvSizer;
@@ -24,8 +24,10 @@ pub type Document = Map<String, Value>;
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[serde(rename_all = "camelCase")]
 pub struct IndexMeta {
-    pub created_at: DateTime<Utc>,
+    #[serde(with = "time::serde::rfc3339")]
-    pub updated_at: DateTime<Utc>,
+    pub created_at: OffsetDateTime,
+    #[serde(with = "time::serde::rfc3339")]
+    pub updated_at: OffsetDateTime,
     pub primary_key: Option<String>,
 }
 

meilisearch-lib/src/index_controller/dump_actor/actor.rs

@@ -3,9 +3,10 @@ use std::path::{Path, PathBuf};
 use std::sync::Arc;
 
 use async_stream::stream;
-use chrono::Utc;
 use futures::{lock::Mutex, stream::StreamExt};
 use log::{error, trace};
+use time::macros::format_description;
+use time::OffsetDateTime;
 use tokio::sync::{mpsc, oneshot, RwLock};
 
 use super::error::{DumpActorError, Result};
@@ -29,7 +30,9 @@ pub struct DumpActor {
 
 /// Generate uid from creation date
 fn generate_uid() -> String {
-    Utc::now().format("%Y%m%d-%H%M%S%3f").to_string()
+    OffsetDateTime::now_utc()
+        .format(format_description!("%Y%m%d-%H%M%S%3f"))
+        .unwrap()
 }
 
 impl DumpActor {

meilisearch-lib/src/index_controller/dump_actor/compat/v2.rs

@@ -1,8 +1,8 @@
 use anyhow::bail;
-use chrono::{DateTime, Utc};
 use meilisearch_error::Code;
 use milli::update::IndexDocumentsMethod;
 use serde::{Deserialize, Serialize};
+use time::OffsetDateTime;
 use uuid::Uuid;
 
 use crate::index::{Settings, Unchecked};
@@ -51,7 +51,7 @@ pub enum UpdateMeta {
 pub struct Enqueued {
     pub update_id: u64,
     pub meta: UpdateMeta,
-    pub enqueued_at: DateTime<Utc>,
+    pub enqueued_at: OffsetDateTime,
     pub content: Option<Uuid>,
 }
 
@@ -59,7 +59,7 @@ pub struct Enqueued {
 #[serde(rename_all = "camelCase")]
 pub struct Processed {
     pub success: UpdateResult,
-    pub processed_at: DateTime<Utc>,
+    pub processed_at: OffsetDateTime,
     #[serde(flatten)]
     pub from: Processing,
 }
@@ -69,7 +69,7 @@ pub struct Processed {
 pub struct Processing {
     #[serde(flatten)]
     pub from: Enqueued,
-    pub started_processing_at: DateTime<Utc>,
+    pub started_processing_at: OffsetDateTime,
 }
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
@@ -77,7 +77,7 @@ pub struct Processing {
 pub struct Aborted {
     #[serde(flatten)]
     pub from: Enqueued,
-    pub aborted_at: DateTime<Utc>,
+    pub aborted_at: OffsetDateTime,
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -86,7 +86,7 @@ pub struct Failed {
     #[serde(flatten)]
     pub from: Processing,
     pub error: ResponseError,
-    pub failed_at: DateTime<Utc>,
+    pub failed_at: OffsetDateTime,
 }
 
 #[derive(Debug, Serialize, Deserialize)]

meilisearch-lib/src/index_controller/dump_actor/compat/v3.rs

@@ -1,7 +1,7 @@
-use chrono::{DateTime, Utc};
 use meilisearch_error::{Code, ResponseError};
 use milli::update::IndexDocumentsMethod;
 use serde::{Deserialize, Serialize};
+use time::OffsetDateTime;
 use uuid::Uuid;
 
 use crate::index::{Settings, Unchecked};
@@ -107,7 +107,7 @@ pub enum UpdateMeta {
 pub struct Enqueued {
     pub update_id: u64,
     pub meta: Update,
-    pub enqueued_at: DateTime<Utc>,
+    pub enqueued_at: OffsetDateTime,
 }
 
 impl Enqueued {
@@ -122,7 +122,7 @@ impl Enqueued {
 #[serde(rename_all = "camelCase")]
 pub struct Processed {
     pub success: v2::UpdateResult,
-    pub processed_at: DateTime<Utc>,
+    pub processed_at: OffsetDateTime,
     #[serde(flatten)]
     pub from: Processing,
 }
@@ -144,7 +144,7 @@ impl Processed {
 pub struct Processing {
     #[serde(flatten)]
     pub from: Enqueued,
-    pub started_processing_at: DateTime<Utc>,
+    pub started_processing_at: OffsetDateTime,
 }
 
 impl Processing {
@@ -163,7 +163,7 @@ pub struct Failed {
     pub from: Processing,
     pub msg: String,
     pub code: Code,
-    pub failed_at: DateTime<Utc>,
+    pub failed_at: OffsetDateTime,
 }
 
 impl Failed {

meilisearch-lib/src/index_controller/dump_actor/mod.rs

@@ -3,9 +3,9 @@ use std::path::{Path, PathBuf};
 use std::sync::Arc;
 
 use anyhow::bail;
-use chrono::{DateTime, Utc};
 use log::{info, trace};
 use serde::{Deserialize, Serialize};
+use time::OffsetDateTime;
 
 pub use actor::DumpActor;
 pub use handle_impl::*;
@@ -40,7 +40,7 @@ pub struct Metadata {
     db_version: String,
     index_db_size: usize,
     update_db_size: usize,
-    dump_date: DateTime<Utc>,
+    dump_date: OffsetDateTime,
 }
 
 impl Metadata {
@@ -49,7 +49,7 @@ impl Metadata {
             db_version: env!("CARGO_PKG_VERSION").to_string(),
             index_db_size,
             update_db_size,
-            dump_date: Utc::now(),
+            dump_date: OffsetDateTime::now_utc(),
         }
     }
 }
@@ -144,7 +144,7 @@ impl MetadataVersion {
         }
     }
 
-    pub fn dump_date(&self) -> Option<&DateTime<Utc>> {
+    pub fn dump_date(&self) -> Option<&OffsetDateTime> {
         match self {
             MetadataVersion::V1(_) => None,
             MetadataVersion::V2(meta) | MetadataVersion::V3(meta) | MetadataVersion::V4(meta) => {
@@ -169,9 +169,13 @@ pub struct DumpInfo {
     pub status: DumpStatus,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub error: Option<String>,
-    started_at: DateTime<Utc>,
+    #[serde(with = "time::serde::rfc3339")]
-    #[serde(skip_serializing_if = "Option::is_none")]
+    started_at: OffsetDateTime,
-    finished_at: Option<DateTime<Utc>>,
+    #[serde(
+        skip_serializing_if = "Option::is_none",
+        with = "time::serde::rfc3339::option"
+    )]
+    finished_at: Option<OffsetDateTime>,
 }
 
 impl DumpInfo {
@@ -180,19 +184,19 @@ impl DumpInfo {
             uid,
             status,
             error: None,
-            started_at: Utc::now(),
+            started_at: OffsetDateTime::now_utc(),
             finished_at: None,
         }
     }
 
     pub fn with_error(&mut self, error: String) {
         self.status = DumpStatus::Failed;
-        self.finished_at = Some(Utc::now());
+        self.finished_at = Some(OffsetDateTime::now_utc());
         self.error = Some(error);
     }
 
     pub fn done(&mut self) {
-        self.finished_at = Some(Utc::now());
+        self.finished_at = Some(OffsetDateTime::now_utc());
         self.status = DumpStatus::Done;
     }
 

meilisearch-lib/src/index_controller/mod.rs

@@ -8,11 +8,11 @@ use std::time::Duration;
 
 use actix_web::error::PayloadError;
 use bytes::Bytes;
-use chrono::{DateTime, Utc};
 use futures::Stream;
 use futures::StreamExt;
 use milli::update::IndexDocumentsMethod;
 use serde::{Deserialize, Serialize};
+use time::OffsetDateTime;
 use tokio::sync::{mpsc, RwLock};
 use tokio::task::spawn_blocking;
 use tokio::time::sleep;
@@ -107,7 +107,7 @@ impl fmt::Display for DocumentAdditionFormat {
 #[serde(rename_all = "camelCase")]
 pub struct Stats {
     pub database_size: u64,
-    pub last_update: Option<DateTime<Utc>>,
+    pub last_update: Option<OffsetDateTime>,
     pub indexes: BTreeMap<String, IndexStats>,
 }
 
@@ -579,7 +579,7 @@ where
     }
 
     pub async fn get_all_stats(&self, search_rules: &SearchRules) -> Result<Stats> {
-        let mut last_task: Option<DateTime<_>> = None;
+        let mut last_task: Option<OffsetDateTime> = None;
         let mut indexes = BTreeMap::new();
         let mut database_size = 0;
         let processing_tasks = self.scheduler.read().await.get_processing_tasks().await?;

meilisearch-lib/src/index_resolver/mod.rs

@@ -6,7 +6,6 @@ use std::convert::{TryFrom, TryInto};
 use std::path::Path;
 use std::sync::Arc;
 
-use chrono::Utc;
 use error::{IndexResolverError, Result};
 use heed::Env;
 use index_store::{IndexStore, MapIndexStore};
@@ -14,6 +13,7 @@ use meilisearch_error::ResponseError;
 use meta_store::{HeedMetaStore, IndexMetaStore};
 use milli::update::{DocumentDeletionResult, IndexerConfig};
 use serde::{Deserialize, Serialize};
+use time::OffsetDateTime;
 use tokio::sync::oneshot;
 use tokio::task::spawn_blocking;
 use uuid::Uuid;
@@ -115,18 +115,19 @@ where
             self.process_document_addition_batch(batch).await
         } else {
             if let Some(task) = batch.tasks.first_mut() {
-                task.events.push(TaskEvent::Processing(Utc::now()));
+                task.events
+                    .push(TaskEvent::Processing(OffsetDateTime::now_utc()));
 
                 match self.process_task(task).await {
                     Ok(success) => {
                         task.events.push(TaskEvent::Succeded {
                             result: success,
-                            timestamp: Utc::now(),
+                            timestamp: OffsetDateTime::now_utc(),
                         });
                     }
                     Err(err) => task.events.push(TaskEvent::Failed {
                         error: err.into(),
-                        timestamp: Utc::now(),
+                        timestamp: OffsetDateTime::now_utc(),
                     }),
                 }
             }
@@ -225,7 +226,7 @@ where
 
                 // If the index doesn't exist and we are not allowed to create it with the first
                 // task, we must fails the whole batch.
-                let now = Utc::now();
+                let now = OffsetDateTime::now_utc();
                 let index = match index {
                     Ok(index) => index,
                     Err(e) => {
@@ -253,17 +254,17 @@ where
 
                 let event = match result {
                     Ok(Ok(result)) => TaskEvent::Succeded {
-                        timestamp: Utc::now(),
+                        timestamp: OffsetDateTime::now_utc(),
                         result: TaskResult::DocumentAddition {
                             indexed_documents: result.indexed_documents,
                         },
                     },
                     Ok(Err(e)) => TaskEvent::Failed {
-                        timestamp: Utc::now(),
+                        timestamp: OffsetDateTime::now_utc(),
                         error: e.into(),
                     },
                     Err(e) => TaskEvent::Failed {
-                        timestamp: Utc::now(),
+                        timestamp: OffsetDateTime::now_utc(),
                         error: IndexResolverError::from(e).into(),
                     },
                 };
@@ -524,7 +525,7 @@ mod test {
                         };
                         if primary_key.is_some() {
                             mocker.when::<String, IndexResult<IndexMeta>>("update_primary_key")
-                                .then(move |_| Ok(IndexMeta{ created_at: Utc::now(), updated_at: Utc::now(), primary_key: None }));
+                                .then(move |_| Ok(IndexMeta{ created_at: OffsetDateTime::now_utc(), updated_at: OffsetDateTime::now_utc(), primary_key: None }));
                         }
                         mocker.when::<(IndexDocumentsMethod, Option<String>, UpdateFileStore, IntoIter<Uuid>), IndexResult<DocumentAdditionResult>>("update_documents")
                                 .then(move |(_, _, _, _)| result());
@@ -569,7 +570,7 @@ mod test {
                     | TaskContent::IndexCreation { primary_key } => {
                         if primary_key.is_some() {
                             let result = move || if !index_op_fails {
-                                Ok(IndexMeta{ created_at: Utc::now(), updated_at: Utc::now(), primary_key: None })
+                                Ok(IndexMeta{ created_at: OffsetDateTime::now_utc(), updated_at: OffsetDateTime::now_utc(), primary_key: None })
                             } else {
                                 // return this error because it's easy to generate...
                                 Err(IndexError::DocumentNotFound("a doc".into()))
@@ -640,7 +641,7 @@ mod test {
                 let update_file_store = UpdateFileStore::mock(mocker);
                 let index_resolver = IndexResolver::new(uuid_store, index_store, update_file_store);
 
-                let batch = Batch { id: 1, created_at: Utc::now(), tasks: vec![task.clone()] };
+                let batch = Batch { id: 1, created_at: OffsetDateTime::now_utc(), tasks: vec![task.clone()] };
                 let result = index_resolver.process_batch(batch).await;
 
                 // Test for some expected output scenarios:

meilisearch-lib/src/tasks/batch.rs

@@ -1,4 +1,4 @@
-use chrono::{DateTime, Utc};
+use time::OffsetDateTime;
 
 use super::task::Task;
 
@@ -7,7 +7,7 @@ pub type BatchId = u64;
 #[derive(Debug)]
 pub struct Batch {
     pub id: BatchId,
-    pub created_at: DateTime<Utc>,
+    pub created_at: OffsetDateTime,
     pub tasks: Vec<Task>,
 }
 

meilisearch-lib/src/tasks/scheduler.rs

@@ -6,8 +6,8 @@ use std::sync::Arc;
 use std::time::Duration;
 
 use atomic_refcell::AtomicRefCell;
-use chrono::Utc;
 use milli::update::IndexDocumentsMethod;
+use time::OffsetDateTime;
 use tokio::sync::{watch, RwLock};
 
 use crate::options::SchedulerConfig;
@@ -357,7 +357,7 @@ impl Scheduler {
             tasks.iter_mut().for_each(|t| {
                 t.events.push(TaskEvent::Batched {
                     batch_id: id,
-                    timestamp: Utc::now(),
+                    timestamp: OffsetDateTime::now_utc(),
                 })
             });
 
@@ -365,7 +365,7 @@ impl Scheduler {
 
             let batch = Batch {
                 id,
-                created_at: Utc::now(),
+                created_at: OffsetDateTime::now_utc(),
                 tasks,
             };
 

meilisearch-lib/src/tasks/task.rs

@@ -1,9 +1,9 @@
 use std::path::PathBuf;
 
-use chrono::{DateTime, Utc};
 use meilisearch_error::ResponseError;
 use milli::update::{DocumentAdditionResult, IndexDocumentsMethod};
 use serde::{Deserialize, Serialize};
+use time::OffsetDateTime;
 use tokio::sync::oneshot;
 use uuid::Uuid;
 
@@ -36,22 +36,22 @@ impl From<DocumentAdditionResult> for TaskResult {
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
 #[cfg_attr(test, derive(proptest_derive::Arbitrary))]
 pub enum TaskEvent {
-    Created(#[cfg_attr(test, proptest(strategy = "test::datetime_strategy()"))] DateTime<Utc>),
+    Created(#[cfg_attr(test, proptest(strategy = "test::datetime_strategy()"))] OffsetDateTime),
     Batched {
         #[cfg_attr(test, proptest(strategy = "test::datetime_strategy()"))]
-        timestamp: DateTime<Utc>,
+        timestamp: OffsetDateTime,
         batch_id: BatchId,
     },
-    Processing(#[cfg_attr(test, proptest(strategy = "test::datetime_strategy()"))] DateTime<Utc>),
+    Processing(#[cfg_attr(test, proptest(strategy = "test::datetime_strategy()"))] OffsetDateTime),
     Succeded {
         result: TaskResult,
         #[cfg_attr(test, proptest(strategy = "test::datetime_strategy()"))]
-        timestamp: DateTime<Utc>,
+        timestamp: OffsetDateTime,
     },
     Failed {
         error: ResponseError,
         #[cfg_attr(test, proptest(strategy = "test::datetime_strategy()"))]
-        timestamp: DateTime<Utc>,
+        timestamp: OffsetDateTime,
     },
 }
 
@@ -165,7 +165,7 @@ mod test {
         ]
     }
 
-    pub(super) fn datetime_strategy() -> impl Strategy<Value = DateTime<Utc>> {
+    pub(super) fn datetime_strategy() -> impl Strategy<Value = OffsetDateTime> {
-        Just(Utc::now())
+        Just(OffsetDateTime::now_utc())
     }
 }

meilisearch-lib/src/tasks/task_store/mod.rs

@@ -5,9 +5,9 @@ use std::io::{BufWriter, Write};
 use std::path::Path;
 use std::sync::Arc;
 
-use chrono::Utc;
 use heed::{Env, RwTxn};
 use log::debug;
+use time::OffsetDateTime;
 
 use super::error::TaskError;
 use super::task::{Task, TaskContent, TaskId};
@@ -72,7 +72,7 @@ impl TaskStore {
         let task = tokio::task::spawn_blocking(move || -> Result<Task> {
             let mut txn = store.wtxn()?;
             let next_task_id = store.next_task_id(&mut txn)?;
-            let created_at = TaskEvent::Created(Utc::now());
+            let created_at = TaskEvent::Created(OffsetDateTime::now_utc());
             let task = Task {
                 id: next_task_id,
                 index_uid,

meilisearch-lib/src/tasks/update_loop.rs

@@ -1,7 +1,7 @@
 use std::sync::Arc;
 use std::time::Duration;
 
-use chrono::Utc;
+use time::OffsetDateTime;
 use tokio::sync::{watch, RwLock};
 use tokio::time::interval_at;
 
@@ -63,7 +63,8 @@ where
         match pending {
             Pending::Batch(mut batch) => {
                 for task in &mut batch.tasks {
-                    task.events.push(TaskEvent::Processing(Utc::now()));
+                    task.events
+                        .push(TaskEvent::Processing(OffsetDateTime::now_utc()));
                 }
 
                 batch.tasks = {