init

backend/src/actions.rs

@@ -0,0 +1,16 @@
+extern crate diesel;
+
+use backend::models::*;
+use diesel::prelude::*;
+use backend::*;
+
+type DbError = Box<dyn std::error::Error + Send + Sync>;
+
+pub fn list_pictures(conn: &PgConnection) -> Result<Vec<Picture>, DbError> {
+    use self::schema::pictures::dsl::*;
+    
+    Ok(pictures
+        .limit(50)
+        .order_by(created_at.desc())
+        .load::<Picture>(conn)?)
+}