deleting messages

tmessage/static/js/messages.js

@@ -89,7 +89,26 @@ function replyTo(messageID) {
 }
 
 function deleteMessage(messageID) {
-  //
+  let msgContainer = document.querySelector(`.message-container[data-message-id="${messageID}"]`);
+  let err = msgContainer.querySelector(`.msg-error`);
+
+  fetch("/api/messages/", {
+    method: "DELETE",
+    body: JSON.stringify({
+      id: messageID
+    })
+  })
+    .then((response) => (response.json()))
+    .then((json) => {
+      if (json.success) {
+        msgContainer.remove();
+      } else {
+        err.innerHTML = "Something went wrong!";
+      }
+    })
+    .catch((err) => {
+      err.innerHTML = `Something went wrong: ${err}`;
+    });
 }
 
 function _updateURL_replaceElement(element, to) {
@@ -138,8 +157,11 @@ function fetchMessages(fetchFromStart=false) {
       if (json.success) {
         let frag = document.createDocumentFragment();
 
+        console.log(fetchFromStart);
         if (fetchFromStart && json.messages.length == 0) {
-          out = "<i>No messages</i>";
+          let el = document.createElement("i");
+          el.innerText = "No messages";
+          frag.append(el)
         } else {
           for (const message of json.messages) {
             frag.append(getMessageHTML(message, json.canRespond));

tmessage/views/api.py

@@ -20,6 +20,7 @@ def _json_response(data: dict | list, /, *, status: int=200, content_type: str="
 
 RESPONSE_400 = _json_response({ "success": False }, status=400)
 RESPONSE_401 = _json_response({ "success": False }, status=401)
+RESPONSE_403 = _json_response({ "success": False }, status=403)
 
 @csrf_exempt
 def api_messages(request: WSGIRequest) -> HttpResponse:
@@ -28,6 +29,8 @@ def api_messages(request: WSGIRequest) -> HttpResponse:
     if username is None:
         return RESPONSE_401
 
+    user = get_user_object(username, i_promise_this_user_exists=True)
+
     if request.method == "POST":
         body = json.loads(request.body)
         reply = body["content"].strip()
@@ -36,15 +39,13 @@ def api_messages(request: WSGIRequest) -> HttpResponse:
         if not (isinstance(message_id, int) and isinstance(reply, str)):
             return RESPONSE_400
 
-        user = get_user_object(username, i_promise_this_user_exists=True)
-
         try:
             message = tMMessage.objects.get(message_id=message_id)
         except tMMessage.DoesNotExist:
             return RESPONSE_400
 
         if username != message.u_to.username:
-            return RESPONSE_401
+            return RESPONSE_403
 
         if message.response is not None:
             return RESPONSE_400
@@ -60,9 +61,25 @@ def api_messages(request: WSGIRequest) -> HttpResponse:
         })
 
     elif request.method == "DELETE":
-        ...
+        body = json.loads(request.body)
+        message_id = body["id"]
 
-    user = get_user_object(username, i_promise_this_user_exists=True)
+        if not isinstance(message_id, int):
+            return RESPONSE_400
+
+        try:
+            message = tMMessage.objects.get(message_id=message_id)
+        except tMMessage.DoesNotExist:
+            return RESPONSE_400
+
+        if username != message.u_to.username:
+            return RESPONSE_403
+
+        message.delete()
+
+        return _json_response({
+            "success": True
+        })
 
     queryFilter = {}