[FIX] mail: show subject of the message in inbox if set

task-2280146

closes odoo/odoo#54599

X-original-commit: 3114c7dab3c7f0f63e59f01fd06237fdc109203a
Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com>

addons/mail/static/src/components/discuss/tests/discuss_inbox_tests.js

@@ -411,6 +411,99 @@ QUnit.test('"reply to" composer should send message if message replied to is not
     assert.verifySteps(['message_post']);
 });
 
+QUnit.test('show subject of message in inbox', async function (assert) {
+    assert.expect(3);
+
+    this.data['mail.message'].records = [{
+        author_id: [7, "Demo"],
+        body: "<p>Test</p>",
+        date: "2019-04-20 11:00:00",
+        id: 100,
+        is_discussion: false,
+        is_notification: false,
+        message_type: 'comment',
+        needaction: true,
+        needaction_partner_ids: [3],
+        model: 'mail.channel',
+        res_id: 20,
+        subject: "Salutations, voyageur",
+    }];
+
+    await this.start({
+        env: {
+            session: {
+                name: 'Admin',
+                partner_display_name: 'Your Company, Admin',
+                partner_id: 3,
+                uid: 2,
+            },
+        },
+    });
+    assert.containsOnce(
+        document.body,
+        '.o_Message',
+        "should display a single message"
+    );
+    assert.containsOnce(
+        document.body,
+        '.o_Message_subject',
+        "should display subject of the message"
+    );
+    assert.strictEqual(
+        document.querySelector('.o_Message_subject').textContent,
+        "Subject: Salutations, voyageur",
+        "Subject of the message should be 'Salutations, voyageur'"
+    )
+});
+
+QUnit.test('show subject of message in history', async function (assert) {
+    assert.expect(3);
+
+    this.data['mail.message'].records = [{
+        author_id: [7, "Demo"],
+        body: "<p>Test</p>",
+        date: "2019-04-20 11:00:00",
+        history_partner_ids: [3],
+        id: 100,
+        message_type: 'comment',
+        model: 'project.task',
+        record_name: "Refactoring",
+        res_id: 20,
+        subject: "Salutations, voyageur",
+    }];
+
+    await this.start({
+        discuss: {
+            params: {
+                default_active_id: 'mail.box_history',
+            },
+        },
+        env: {
+            session: {
+                name: 'Admin',
+                partner_display_name: 'Your Company, Admin',
+                partner_id: 3,
+                uid: 2,
+            },
+        },
+    });
+    assert.containsOnce(
+        document.body,
+        '.o_Message',
+        "should display a single message"
+    );
+    assert.containsOnce(
+        document.body,
+        '.o_Message_subject',
+        "should display subject of the message"
+    );
+    assert.strictEqual(
+        document.querySelector('.o_Message_subject').textContent,
+        "Subject: Salutations, voyageur",
+        "Subject of the message should be 'Salutations, voyageur'"
+    )
+});
+
 });
 });
 });

addons/mail/static/src/components/message/message.xml

@@ -180,6 +180,9 @@
                             </ul>
                         </t>
                     </div>
+                    <t t-if="message.subject and threadViewer and threadViewer.thread and (threadViewer.thread.mass_mailing or [env.messaging.inbox, env.messaging.history].includes(threadViewer.thread))">
+                        <p class="o_Message_subject">Subject: <t t-esc="message.subject"/></p>
+                    </t>
                     <t t-if="message.attachments and message.attachments.length > 0">
                         <div class="o_Message_footer">
                             <!-- TODO XDU This does not allow to preview all attachments at once, find somethind else -->

addons/mail/static/src/components/thread_viewer/thread_viewer_tests.js

@@ -430,6 +430,52 @@ QUnit.test('mark channel as fetched and seen when a new message is loaded if com
         "Channel should have been mark as seen directly"
     );
 });
+
+QUnit.test('show message subject if thread is mailing channel', async function (assert) {
+    assert.expect(3);
+
+    this.data['mail.message'].records = [{
+        author_id: [7, "Demo"],
+        body: "<p>Test</p>",
+        channel_ids: [100],
+        date: "2019-04-20 11:00:00",
+        id: 100,
+        is_discussion: false,
+        is_notification: false,
+        message_type: 'comment',
+        model: 'mail.channel',
+        res_id: 20,
+        subject: "Salutations, voyageur",
+    }];
+    await this.start();
+    const thread = this.env.models['mail.thread'].create({
+        channel_type: 'channel',
+        id: 100,
+        mass_mailing: true,
+        model: 'mail.channel',
+        name: "General",
+        public: 'public',
+    });
+    const threadViewer = this.env.models['mail.thread_viewer'].create({ thread: [['link', thread]] });
+    await this.createThreadViewerComponent(threadViewer);
+
+    assert.containsOnce(
+        document.body,
+        '.o_Message',
+        "should display a single message"
+    );
+    assert.containsOnce(
+        document.body,
+        '.o_Message_subject',
+        "should display subject of the message"
+    );
+    assert.strictEqual(
+        document.querySelector('.o_Message_subject').textContent,
+        "Subject: Salutations, voyageur",
+        "Subject of the message should be 'Salutations, voyageur'"
+    )
+});
+
 });
 });
 });