Various smaller retraction related fixes and improvements

package.json

 {
   "name": "converse.js",
-  "version": "5.0.4",
+  "version": "6.0.0",
   "description": "Browser based XMPP chat client",
   "browser": "dist/converse.js",
   "module": "src/converse.js",

src/converse-message-view.js

@@ -247,7 +247,7 @@ converse.plugins.add('converse-message-view', {
                 const is_own_message = this.model.get('sender') === 'me';
                 const chatbox = this.model.collection.chatbox;
                 const may_retract_own_message = is_own_message && ['all', 'own'].includes(_converse.allow_message_retraction);
-                const may_moderate_message = is_groupchat &&
+                const may_moderate_message = !is_own_message && is_groupchat &&
                     ['all', 'moderator'].includes(_converse.allow_message_retraction) &&
                     await chatbox.canRetractMessages();
 
@@ -306,22 +306,19 @@ converse.plugins.add('converse-message-view', {
             },
 
             getRetractionText () {
-                const username = this.model.getDisplayName();
-                let retraction_text = __('%1$s has retracted this message', username);
-                if (this.model.get('type') === 'groupchat') {
+                if (this.model.get('type') === 'groupchat' && this.model.get('moderated_by')) {
                     const retracted_by_mod = this.model.get('moderated_by');
-                    if (retracted_by_mod) {
-                        const chatbox = this.model.collection.chatbox;
-                        if (!this.model.mod) {
-                            this.model.mod =
-                                chatbox.occupants.findOccupant({'jid': retracted_by_mod}) ||
-                                chatbox.occupants.findOccupant({'nick': Strophe.getResourceFromJid(retracted_by_mod)});
-                        }
-                        const modname = this.model.mod ? this.model.mod.getDisplayName() : 'A moderator';
-                        retraction_text = __('%1$s has retracted this message from %2$s', modname , username);
+                    const chatbox = this.model.collection.chatbox;
+                    if (!this.model.mod) {
+                        this.model.mod =
+                            chatbox.occupants.findOccupant({'jid': retracted_by_mod}) ||
+                            chatbox.occupants.findOccupant({'nick': Strophe.getResourceFromJid(retracted_by_mod)});
                     }
+                    const modname = this.model.mod ? this.model.mod.getDisplayName() : 'A moderator';
+                    return __('%1$s has retracted this message', modname);
+                } else {
+                    return __('%1$s has retracted this message', this.model.getDisplayName());
                 }
-                return retraction_text;
             },
 
             renderErrorMessage () {

src/headless/converse-chat.js

@@ -582,7 +582,7 @@ converse.plugins.add('converse-chat', {
              *  whether a message was retracted or not.
              */
             handleRetraction (attrs) {
-                const RETRACTION_ATTRIBUTES = ['retracted', 'retracted_id'];
+                const RETRACTION_ATTRIBUTES = ['retracted', 'retracted_id', 'editable'];
                 if (attrs.retracted) {
                     if (attrs.is_tombstone) {
                         return false;
@@ -877,7 +877,7 @@ converse.plugins.add('converse-chat', {
                     return;
                 }
                 if (_converse.allow_message_corrections === 'all') {
-                    attrs.editable = !(attrs.file || 'oob_url' in attrs);
+                    attrs.editable = !(attrs.file || attrs.retracted || 'oob_url' in attrs);
                 } else if ((_converse.allow_message_corrections === 'last') &&
                            (send_time > this.get('time_sent'))) {
                     this.set({'time_sent': send_time});
@@ -885,7 +885,7 @@ converse.plugins.add('converse-chat', {
                     if (msg) {
                         msg.save({'editable': false});
                     }
-                    attrs.editable = !(attrs.file || 'oob_url' in attrs);
+                    attrs.editable = !(attrs.file || attrs.retracted || 'oob_url' in attrs);
                 }
             },
 

src/headless/converse-muc.js

@@ -9,6 +9,7 @@
  * @description
  * Implements the non-view logic for XEP-0045 Multi-User Chat
  */
+import "./converse-chat";
 import "./converse-disco";
 import "./converse-emoji";
 import { clone, get, intersection, invoke, isElement, isObject, isString, pick, uniq, zipObject } from "lodash";

src/headless/utils/stanza.js

@@ -130,6 +130,7 @@ const stanza_utils = {
                 const delay = sizzle(`delay[xmlns="${Strophe.NS.DELAY}"]`, original_stanza).pop();
                 const time = delay ? dayjs(delay.getAttribute('stamp')).toISOString() : (new Date()).toISOString();
                 return {
+                    'editable': false,
                     'retracted': time,
                     'retracted_id': applies_to_id
                 }
@@ -138,8 +139,9 @@ const stanza_utils = {
             const tombstone = sizzle(`> retracted[xmlns="${Strophe.NS.RETRACT}"]`, stanza).pop();
             if (tombstone) {
                 return {
-                    'retracted': tombstone.getAttribute('stamp'),
-                    'is_tombstone': true
+                    'editable': false,
+                    'is_tombstone': true,
+                    'retracted': tombstone.getAttribute('stamp')
                 }
             }
         }