messages: Changes made in MessageBox for muted_messages.

The content shown for the message is changed. The recepient header shows
muted_user instead of original name. The name of the author is also
changed to muted_user.

Tests Adapted.

Co-authored by: Subhasish-Behera <greendoor3000@gmail.com>

Author: rsashank

tests/core/test_core.py

@@ -229,6 +229,7 @@ def test_narrow_to_user(
         controller.view.message_view = mocker.patch("urwid.ListBox")
         controller.model.user_id = 5140
         controller.model.user_email = "some@email"
+        controller.model._muted_users = set()
         controller.model.user_dict = {
             user_email: {
                 "user_id": user_id,
@@ -267,6 +268,7 @@ def test_narrow_to_all_messages(
         controller.view.message_view = mocker.patch("urwid.ListBox")
         controller.model.user_email = "some@email"
         controller.model.user_id = 1
+        controller.model._muted_users = set()
         controller.model.stream_dict = {
             205: {
                 "color": "#ffffff",
@@ -295,6 +297,7 @@ def test_narrow_to_all_pm(
         controller.view.message_view = mocker.patch("urwid.ListBox")
         controller.model.user_id = 1
         controller.model.user_email = "some@email"
+        controller.model._muted_users = set()
 
         controller.narrow_to_all_pm()  # FIXME: Add id narrowing test
 
@@ -316,6 +319,7 @@ def test_narrow_to_all_starred(
         # FIXME: Expand upon is_muted_topic().
         mocker.patch(MODEL + ".is_muted_topic", return_value=False)
         controller.model.user_email = "some@email"
+        controller.model._muted_users = set()
         controller.model.stream_dict = {
             205: {
                 "color": "#ffffff",
@@ -343,6 +347,7 @@ def test_narrow_to_all_mentions(
         mocker.patch(MODEL + ".is_muted_topic", return_value=False)
         controller.model.user_email = "some@email"
         controller.model.user_id = 1
+        controller.model._muted_users = set()
         controller.model.stream_dict = {
             205: {
                 "color": "#ffffff",

tests/ui_tools/test_messages.py

@@ -776,6 +776,7 @@ def test_main_view(self, mocker, message, last_message):
                 "reactions": [],
                 "sender_full_name": "Alice",
                 "timestamp": 1532103879,
+                "sender_id": 32900,
             }
         ],
     )
@@ -814,6 +815,7 @@ def test_main_view_renders_slash_me(self, mocker, message, content, is_me_messag
                 "reactions": [],
                 "sender_full_name": "Alice",
                 "timestamp": 1532103879,
+                "sender_id": 32900,
             }
         ],
     )
@@ -867,6 +869,7 @@ def test_main_view_generates_stream_header(
                 "reactions": [],
                 "sender_full_name": "Alice",
                 "timestamp": 1532103879,
+                "sender_id": 32900,
             },
         ],
     )
@@ -1057,6 +1060,7 @@ def test_msg_generates_search_and_header_bar(
                 "reactions": [],
                 "sender_full_name": "alice",
                 "timestamp": 1532103879,
+                "sender_id": 32900,
             }
         ],
     )
@@ -1117,6 +1121,8 @@ def test_main_view_content_header_without_header(
 
         msg_box = MessageBox(this_msg, self.model, last_msg)
 
+        self.model.is_muted_user.return_value = False
+
         expected_header[2] = output_date_time
         if current_year > 2018:
             expected_header[2] = "2018 - " + expected_header[2]

zulipterminal/ui_tools/messages.py

@@ -96,7 +96,9 @@ def __init__(self, message: Message, model: "Model", last_message: Any) -> None:
             else:
                 self.recipients_names = ", ".join(
                     [
-                        recipient["full_name"]
+                        "Muted user"
+                        if self.model.is_muted_user(recipient["id"])
+                        else recipient["full_name"]
                         for recipient in self.message["display_recipient"]
                         if recipient["email"] != self.model.user_email
                     ]
@@ -687,7 +689,12 @@ def main_view(self) -> List[Any]:
             text: Dict[str, urwid_MarkupTuple] = {key: (None, " ") for key in text_keys}
 
             if any(different[key] for key in ("recipients", "author", "24h")):
-                text["author"] = ("msg_sender", message["this"]["author"])
+                text["author"] = (
+                    "msg_sender",
+                    "Muted user"
+                    if self.model.is_muted_user(self.message["sender_id"])
+                    else message["this"]["author"],
+                )
 
                 # TODO: Refactor to use user ids for look up instead of emails.
                 email = self.message.get("sender_email", "")
@@ -729,10 +736,16 @@ def main_view(self) -> List[Any]:
                 "/me", f"<strong>{self.message['sender_full_name']}</strong>", 1
             )
 
+        muted_message_text = "This message was hidden because you have muted the sender"
+
         # Transform raw message content into markup (As needed by urwid.Text)
         content, self.message_links, self.time_mentions = self.transform_content(
             self.message["content"], self.model.server_url
         )
+
+        if self.model.is_muted_user(self.message["sender_id"]):
+            content = (None, muted_message_text)
+
         self.content.set_text(content)
 
         if self.message["id"] in self.model.index["edited_messages"]: