288: Uniform datetime precision

backend/src/api/report/generate.rs

@@ -15,6 +15,7 @@ use crate::nlp::nlp_request::NlpRequest;
 use crate::report::report::{new_report_id, Report, ReportAnalysesMap, ReportMetadata};
 use crate::report::report_request::ReportRequest;
 use crate::report::report_status::ReportStatus;
+use crate::util::get_utc_timestamp;
 use crate::validation::validated::Validated;
 use crate::websocket::SystemMessage;
 use crate::websocket::SystemMessage::ReportError;
@@ -46,8 +47,8 @@ pub async fn nlp_analysis<T: RedditFeedData>(
         is_public: true,
         status: ReportStatus::InProgress,
         metadata: ReportMetadata {
-            created_at: Utc::now(),
-            updated_at: Utc::now(),
+            created_at: get_utc_timestamp(),
+            updated_at: get_utc_timestamp(),
         },
         analyses_map: ReportAnalysesMap { analyses },
     };

backend/src/auth/jwt.rs

@@ -1,7 +1,8 @@
 use crate::auth::error::AuthError;
 use crate::auth::google::JwtUserInfo;
 use crate::auth::user::User;
-use chrono::{Duration, Utc};
+use crate::util::get_utc_timestamp;
+use chrono::Duration;
 use jsonwebtoken::{decode, DecodingKey, Header, TokenData, Validation};
 use log_derive::logfn;
 use serde::{Deserialize, Serialize};
@@ -21,7 +22,7 @@ pub fn create_jwt(user_info: User) -> String {
     let secret = dotenvy::var("JWT_SECRET").expect("JWT_SECRET should be set");
 
     let claim = {
-        let now = Utc::now();
+        let now = get_utc_timestamp();
         let duration = Duration::days(30);
         let iat = now.timestamp() as usize;
         let exp = (now + duration).timestamp() as usize;

backend/src/db/impls/report_repository.rs

@@ -6,6 +6,7 @@ use crate::db::model::DbReport;
 use crate::db::pagination::DbPagination;
 use crate::nlp::analysis::NlpAnalysisKind;
 use crate::report::report::Report;
+use crate::util::get_utc_timestamp;
 use axum::async_trait;
 use chrono::{DateTime, NaiveDateTime, Utc};
 use serde::Deserialize;
@@ -150,7 +151,7 @@ impl ReportQuery {
         let start_date = self
             .start_date
             .unwrap_or(NaiveDateTime::UNIX_EPOCH.and_utc());
-        let end_date = self.end_date.unwrap_or(Utc::now());
+        let end_date = self.end_date.unwrap_or(get_utc_timestamp());
         let title_pattern = self.title_pattern.unwrap_or("".to_string());
 
         ReportQueryBindArgs {
@@ -298,7 +299,7 @@ mod tests {
 
     #[test]
     fn test_into_where_clauses_date_range() {
-        let now = Utc::now();
+        let now = get_utc_timestamp();
         let query = ReportQuery {
             start_date: Some(now - chrono::Duration::days(1)),
             end_date: Some(now),
@@ -312,7 +313,7 @@ mod tests {
 
     #[test]
     fn test_into_where_clauses_date_range_empty() {
-        let now = Utc::now();
+        let now = get_utc_timestamp();
         let query = ReportQuery::default();
         let args = query.into_bind_args();
 
@@ -377,8 +378,8 @@ mod tests {
                     NlpAnalysisKind::Sentiment,
                     NlpAnalysisKind::HateSpeech,
                 ],
-                start_date: Some(Utc::now() - chrono::Duration::days(3)),
-                end_date: Some(Utc::now()),
+                start_date: Some(get_utc_timestamp() - chrono::Duration::days(3)),
+                end_date: Some(get_utc_timestamp()),
                 title_pattern: Some("test".to_string()),
                 include_my_reports: true,
                 pagination: DbPagination::new(0, 10),

backend/src/db/impls/test_util.rs

@@ -5,7 +5,7 @@
 use crate::auth::user::{GoogleId, User};
 use crate::report::report::{Report, ReportAnalysesMap, ReportMetadata};
 use crate::report::report_status::ReportStatus;
-use chrono::Utc;
+use crate::util::get_utc_timestamp;
 use std::collections::HashMap;
 
 pub(super) fn get_test_user() -> User {
@@ -29,8 +29,8 @@ pub(super) fn get_test_report(title: String, user_id: GoogleId) -> Report {
         is_public: false,
         status: ReportStatus::InProgress,
         metadata: ReportMetadata {
-            created_at: Utc::now(),
-            updated_at: Utc::now(),
+            created_at: get_utc_timestamp(),
+            updated_at: get_utc_timestamp(),
         },
         analyses_map: ReportAnalysesMap {
             analyses: HashMap::new(),

backend/src/main.rs

@@ -29,6 +29,7 @@ mod nlp;
 mod open_api;
 mod report;
 mod startup;
+mod util;
 mod validation;
 mod websocket;
 

backend/src/util/mod.rs

@@ -0,0 +1,9 @@
+use chrono::{DateTime, SubsecRound, Utc};
+
+/// Returns the UTC DateTime timestamp rounded to 6 subsecond digits.
+///
+/// This is due to how Postgres handles timestamps. It returns them with 6 digits,
+/// as opposed to [chrono::Utc]'s 9 digits.
+pub fn get_utc_timestamp() -> DateTime<Utc> {
+    Utc::now().round_subsecs(6)
+}