Improve code

src/helpers/posts_helper.rs

@@ -75,10 +75,8 @@ pub fn create(p: &Post) -> ResultBoxError<u64> {
         .add_opt_str("texte", p.content.as_ref());
 
     // Execute insertion
-    let post_id = match insert_query.insert()? {
-        None => Err(ExecError::new("Insert post query did not return a result!")),
-        Some(id) => Ok(id),
-    }?;
+    let post_id = insert_query.insert()?
+        .ok_or(ExecError::new("Insert post query did not return a result!"))?;
 
     Ok(post_id)
 }