feat: ✨ let database handles creation times

migrations/20241204225135_create_user_table.up.sql

@@ -6,5 +6,6 @@ CREATE TABLE IF NOT EXISTS "user"(
     gender boolean NOT NULL,
     birth_date DATE NOT NULL,
     email VARCHAR(255) NOT NULL UNIQUE,
-    role_id BIGSERIAL NOT NULL REFERENCES "role"(id)
+    role_id BIGSERIAL NOT NULL REFERENCES "role"(id),
+    creation_time TIMESTAMPTZ NOT NULL DEFAULT NOW()
 );

migrations/20241204225143_create_post_table.up.sql

@@ -1,6 +1,6 @@
 -- Add up migration script here
 CREATE TABLE IF NOT EXISTS "post"(
-    creation_time TIMESTAMPTZ PRIMARY KEY UNIQUE NOT NULL,
+    creation_time TIMESTAMPTZ PRIMARY KEY UNIQUE NOT NULL DEFAULT NOW(),
     poster_id BIGSERIAL NOT NULL REFERENCES "user"(id),
     post VARCHAR NOT NULL UNIQUE
 );

migrations/20241204225151_create_comment_table.up.sql

@@ -1,7 +1,7 @@
 -- Add up migration script here
 CREATE TABLE IF NOT EXISTS "comment"(
     post_creation_time TIMESTAMPTZ NOT NULL REFERENCES "post"(creation_time),
-    creation_time TIMESTAMPTZ PRIMARY KEY NOT NULL UNIQUE,
+    creation_time TIMESTAMPTZ PRIMARY KEY NOT NULL UNIQUE DEFAULT NOW(),
     commenter_id BIGSERIAL NOT NULL REFERENCES "user"(id),
     comment VARCHAR NOT NULL
 );

migrations/20241204230240_create_post_interaction_table.up.sql

@@ -3,5 +3,5 @@ CREATE TABLE IF NOT EXISTS "post_interaction"(
     post_creation_time TIMESTAMPTZ NOT NULL REFERENCES "post"(creation_time),
     interaction_id BIGSERIAL NOT NULL REFERENCES "interaction"(id),
     interactor_id BIGSERIAL NOT NULL REFERENCES "user"(id),
-    interaction_time TIMESTAMPTZ PRIMARY KEY NOT NULL UNIQUE
+    interaction_time TIMESTAMPTZ PRIMARY KEY NOT NULL UNIQUE DEFAULT NOW()
 );

migrations/20241204230248_create_comment_interaction_table.up.sql

@@ -3,5 +3,5 @@ CREATE TABLE IF NOT EXISTS "comment_interaction"(
     comment_creation_time TIMESTAMPTZ NOT NULL REFERENCES "comment"(creation_time),
     interaction_id BIGSERIAL NOT NULL REFERENCES "interaction"(id),
     interactor_id BIGSERIAL NOT NULL REFERENCES "user"(id),
-    interaction_time TIMESTAMPTZ PRIMARY KEY NOT NULL UNIQUE
+    interaction_time TIMESTAMPTZ PRIMARY KEY NOT NULL UNIQUE DEFAULT NOW()
 );

src/database/comment.rs

@@ -5,7 +5,6 @@ use crate::feature::comment::Comment;
 
 pub async fn create(
     post_creation_time: DateTime<Utc>,
-    creation_time: DateTime<Utc>,
     commenter_id: i64,
     comment: &String,
     database_connection: &Pool<Postgres>,
@@ -13,12 +12,11 @@ pub async fn create(
     sqlx::query_as!(
         Comment,
         r#"
-            INSERT INTO "comment"(post_creation_time, creation_time, commenter_id, comment) 
-            VALUES ($1, $2, $3, $4) 
+            INSERT INTO "comment"(post_creation_time, commenter_id, comment) 
+            VALUES ($1, $2, $3) 
             RETURNING *
         "#,
         post_creation_time,
-        creation_time,
         commenter_id,
         comment,
     )

src/database/comment_interaction.rs

@@ -7,17 +7,18 @@ pub async fn create(
     comment_creation_time: &DateTime<Utc>,
     interaction_id: i64,
     interactor_id: i64,
-    interaction_time: &DateTime<Utc>,
     database_connection: &Pool<Postgres>,
 ) -> Result<CommentInteraction, sqlx::Error> {
     sqlx::query_as!(
         CommentInteraction,
         r#"
-            INSERT INTO "comment_interaction"(comment_creation_time, interaction_id, interactor_id, interaction_time) 
-            VALUES ($1, $2, $3, $4) 
+            INSERT INTO "comment_interaction"(comment_creation_time, interaction_id, interactor_id) 
+            VALUES ($1, $2, $3) 
             RETURNING *
         "#,
-        comment_creation_time, interaction_id, interactor_id, interaction_time,
+        comment_creation_time,
+        interaction_id,
+        interactor_id,
     )
     .fetch_one(database_connection)
     .await

src/database/post.rs

@@ -4,7 +4,6 @@ use sqlx::{Pool, Postgres};
 use crate::feature::post::Post;
 
 pub async fn create(
-    creation_time: &DateTime<Utc>,
     poster_id: i64,
     post: &String,
     database_connection: &Pool<Postgres>,
@@ -12,11 +11,10 @@ pub async fn create(
     sqlx::query_as!(
         Post,
         r#"
-            INSERT INTO "post"(creation_time, poster_id, post) 
-            VALUES ($1, $2, $3) 
+            INSERT INTO "post"(poster_id, post) 
+            VALUES ($1, $2) 
             RETURNING *
         "#,
-        creation_time,
         poster_id,
         post
     )

src/database/post_interaction.rs

@@ -7,17 +7,18 @@ pub async fn create(
     post_creation_time: &DateTime<Utc>,
     interaction_id: i64,
     interactor_id: i64,
-    interaction_time: &DateTime<Utc>,
     database_connection: &Pool<Postgres>,
 ) -> Result<PostInteraction, sqlx::Error> {
     sqlx::query_as!(
         PostInteraction,
         r#"
-            INSERT INTO "post_interaction"(post_creation_time, interaction_id, interactor_id, interaction_time) 
-            VALUES ($1, $2, $3, $4) 
+            INSERT INTO "post_interaction"(post_creation_time, interaction_id, interactor_id) 
+            VALUES ($1, $2, $3) 
             RETURNING *
         "#,
-        post_creation_time, interaction_id, interactor_id, interaction_time,
+        post_creation_time,
+        interaction_id,
+        interactor_id,
     )
     .fetch_one(database_connection)
     .await

src/feature/user.rs

@@ -1,4 +1,4 @@
-use chrono::NaiveDate;
+use chrono::{DateTime, NaiveDate, Utc};
 use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -17,4 +17,5 @@ pub struct User {
     pub birth_date: NaiveDate,
     pub email: String,
     pub role_id: i64,
+    pub creation_time: DateTime<Utc>,
 }