Can delete group members

src/controllers/groups_controller.rs

@@ -245,5 +245,27 @@ pub fn cancel_request(r: &mut HttpRequestHandler) -> RequestResult {
 
 /// Remove a member from a group (as a moderator or an admin)
 pub fn delete_member(r: &mut HttpRequestHandler) -> RequestResult {
-    r.success("Implement me")
+    let group_id = r.post_group_id_with_access("groupID", GroupAccessLevel::MODERATOR_ACCESS)?;
+
+    // Get the membership of the user making the request
+    let curr_user_membership = groups_helper::get_membership(&group_id, r.user_id_opt())?;
+
+    // Get information about the member to delete
+    let user_id = r.post_user_id("userID")?;
+    let membership = groups_helper::get_membership(&group_id, Some(user_id.clone()))?;
+
+    if user_id == r.user_id()? && groups_helper::is_last_admin(&group_id, &r.user_id()?)? {
+        r.forbidden("You are the last administrator of this group!".to_string())?;
+    }
+
+    // Only administrator can delete members that are more than members (moderators & administrators)
+    if membership.level < GroupMembershipLevel::MEMBER && curr_user_membership.level != GroupMembershipLevel::ADMINISTRATOR {
+        r.forbidden("Only administrators can delete this membership!".to_string())?;
+    }
+
+    groups_helper::delete_member(&group_id, &user_id)?;
+
+    // TODO : Delete related notifications
+
+    r.success("Membership of the user has been successfully deleted!")
 }