Can delete all the friends of a user

src/helpers/account_helper.rs

@@ -330,6 +330,9 @@ pub fn delete(user_id: &UserID) -> ResultBoxError {
     // Delete all the notifications related with the user
     notifications_helper::delete_all_related_with_user(user_id)?;
 
+    // Delete all user friends, including friendship requests
+    friends_helper::delete_all_user(user_id)?;
+
     // TODO : continue work here
 
     Ok(())

src/helpers/friends_helper.rs

@@ -247,6 +247,17 @@ pub fn count_requests(user_id: &UserID) -> ResultBoxError<u64> {
         .map(|r| r as u64)
 }
 
+/// Delete all the friends of a given user
+pub fn delete_all_user(user_id: &UserID) -> ResultBoxError {
+    database::DeleteQuery::new(FRIENDS_TABLE)
+        .cond_user_id("ID_personne", user_id)
+        .exec()?;
+
+    database::DeleteQuery::new(FRIENDS_TABLE)
+        .cond_user_id("ID_amis", user_id)
+        .exec()
+}
+
 /// Turn a database entry into a Friend structure
 fn db_to_friend(row: &database::RowResult) -> ResultBoxError<Friend> {
     Ok(Friend {