Add a model for likes

src/models/likes.rs

@@ -0,0 +1,29 @@
+use chrono;
+use diesel::{PgConnection, QueryDsl, RunQueryDsl, ExpressionMethods};
+
+use schema::likes;
+
+#[derive(Queryable)]
+pub struct Like {
+    id: i32,
+    user_id: i32,
+    post_id: i32,
+    creation_date: chrono::NaiveDateTime
+}
+
+#[derive(Insertable)]
+#[table_name = "likes"]
+pub struct NewLike {
+    user_id: i32,
+    post_id: i32
+}
+
+impl Like {
+     pub fn get(conn: &PgConnection, id: i32) -> Option<Like> {
+        likes::table.filter(likes::id.eq(id))
+            .limit(1)
+            .load::<Like>(conn)
+            .expect("Error loading like by ID")
+            .into_iter().nth(0)
+    }
+}

src/models/mod.rs

@@ -3,6 +3,7 @@ pub mod blogs;
 pub mod comments;
 pub mod follows;
 pub mod instance;
+pub mod likes;
 pub mod post_authors;
 pub mod posts;
 pub mod users;