migrations/2024-09-06-100207_add_created_updated_at_to_projects/down.sql

@@ -0,0 +1,5 @@
+-- This file should undo anything in `up.sql`
+ALTER TABLE "projects" DROP COLUMN "created_at";
+ALTER TABLE "projects" DROP COLUMN "updated_at";
+
+

migrations/2024-09-06-100207_add_created_updated_at_to_projects/up.sql

@@ -0,0 +1,7 @@
+-- Your SQL goes here
+ALTER TABLE "projects" ADD COLUMN "created_at" TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;
+ALTER TABLE "projects" ADD COLUMN "updated_at" TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;
+
+SELECT diesel_manage_updated_at('projects');
+
+

src/models/project.rs

@@ -1,3 +1,4 @@
+use chrono::NaiveDateTime;
 use crate::schema::projects;
 use diesel::prelude::*;
 use serde::{Deserialize, Serialize};
@@ -12,6 +13,8 @@ const TITLE_LENGTH_MAX: u64 = 255;
 pub struct Project {
     id: i32,
     title: String,
+    created_at: NaiveDateTime,
+    updated_at: NaiveDateTime,
 }
 
 impl Project {
@@ -22,6 +25,14 @@ impl Project {
     pub fn title(&self) -> &str {
         &self.title
     }
+    
+    pub fn created_at(&self) -> NaiveDateTime {
+        self.created_at
+    }
+    
+    pub fn updated_at(&self) -> NaiveDateTime {
+        self.updated_at
+    }
 }
 
 #[derive(Insertable, Serialize, Deserialize, Validate, Clone, Debug)]

src/schema/mod.rs

@@ -4,6 +4,8 @@ diesel::table! {
     projects (id) {
         id -> Int4,
         title -> Text,
+        created_at -> Timestamp,
+        updated_at -> Timestamp,
     }
 }