Add database minimal files

.gitignore

@@ -3,3 +3,5 @@
 Cargo.lock
 
 .env
+
+database.sqlite

diesel.toml

@@ -0,0 +1,9 @@
+# For documentation on how to configure this file,
+# see https://diesel.rs/guides/configuring-diesel-cli
+
+[print_schema]
+file = "src/schema.rs"
+custom_type_derives = ["diesel::query_builder::QueryId"]
+
+[migrations_directory]
+dir = "migrations"

migrations/2023-08-07-063249_create_posts/down.sql

@@ -0,0 +1,2 @@
+DROP TABLE image;
+DROP TABLE post;

migrations/2023-08-07-063249_create_posts/up.sql

@@ -0,0 +1,13 @@
+CREATE TABLE post (
+  id BIGINT PRIMARY KEY NOT NULL,
+  description TEXT NOT NULL,
+  posted_date DATETIME NOT NULL,
+  crawled_date DATETIME NOT NULL
+);
+
+CREATE TABLE image (
+  id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+  post_id BIGINT NOT NULL,
+  url TEXT NOT NULL,
+  FOREIGN KEY (post_id) REFERENCES post(id)
+);

src/lib.rs

@@ -0,0 +1,3 @@
+pub mod controllers;
+pub mod models;
+pub mod schema;

src/main.rs

@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, world!");
-}

src/schema.rs

@@ -0,0 +1,25 @@
+// @generated automatically by Diesel CLI.
+
+diesel::table! {
+    image (id) {
+        id -> Integer,
+        post_id -> BigInt,
+        url -> Text,
+    }
+}
+
+diesel::table! {
+    post (id) {
+        id -> BigInt,
+        description -> Text,
+        posted_date -> Timestamp,
+        crawled_date -> Timestamp,
+    }
+}
+
+diesel::joinable!(image -> post (post_id));
+
+diesel::allow_tables_to_appear_in_same_query!(
+    image,
+    post,
+);