Fix guild icon not set issue

Author: Cordila

bot.py

@@ -87,6 +87,13 @@ def __init__(self):
         self.plugin_db = PluginDatabaseClient(self)  # Deprecated
         self.startup()
 
+    def get_guild_icon(self, guild: typing.Optional[discord.Guild]) -> str:
+        if guild is None:
+            guild = self.guild
+        if guild.icon is None:
+            return self.user.display_avatar.url
+        return guild.icon_url
+
     def _resolve_snippet(self, name: str) -> typing.Optional[str]:
         """
         Get actual snippet names from direct aliases to snippets.
@@ -913,7 +920,10 @@ async def process_dm_modmail(self, message: discord.Message) -> None:
                     color=self.error_color,
                     description=self.config["disabled_new_thread_response"],
                 )
-                embed.set_footer(text=self.config["disabled_new_thread_footer"], icon_url=self.guild.icon.url)
+                embed.set_footer(
+                    text=self.config["disabled_new_thread_footer"],
+                    icon_url=self.get_guild_icon(guild=message.guild),
+                )
                 logger.info("A new thread was blocked from %s due to disabled Modmail.", message.author)
                 await self.add_reaction(message, blocked_emoji)
                 return await message.channel.send(embed=embed)
@@ -928,7 +938,7 @@ async def process_dm_modmail(self, message: discord.Message) -> None:
                 )
                 embed.set_footer(
                     text=self.config["disabled_current_thread_footer"],
-                    icon_url=self.guild.icon.url,
+                    icon_url=self.get_guild_icon(guild=message.guild),
                 )
                 logger.info("A message was blocked from %s due to disabled Modmail.", message.author)
                 await self.add_reaction(message, blocked_emoji)
@@ -1335,7 +1345,7 @@ async def handle_react_to_contact(self, payload):
             )
             embed.set_footer(
                 text=self.config["disabled_new_thread_footer"],
-                icon_url=self.guild.icon.url,
+                icon_url=self.get_guild_icon(guild=channel.guild),
             )
             logger.info(
                 "A new thread using react to contact was blocked from %s due to disabled Modmail.",

cogs/modmail.py

@@ -160,15 +160,15 @@ async def snippet(self, ctx, *, name: str.lower = None):
                 color=self.bot.error_color, description="You dont have any snippets at the moment."
             )
             embed.set_footer(text=f'Check "{self.bot.prefix}help snippet add" to add a snippet.')
-            embed.set_author(name="Snippets", icon_url=ctx.guild.icon.url)
+            embed.set_author(name="Snippets", icon_url=self.bot.get_guild_icon(guild=ctx.guild))
             return await ctx.send(embed=embed)
 
         embeds = []
 
         for i, names in enumerate(zip_longest(*(iter(sorted(self.bot.snippets)),) * 15)):
             description = format_description(i, names)
             embed = discord.Embed(color=self.bot.main_color, description=description)
-            embed.set_author(name="Snippets", icon_url=ctx.guild.icon.url)
+            embed.set_author(name="Snippets", icon_url=self.bot.get_guild_icon(guild=ctx.guild))
             embeds.append(embed)
 
         session = EmbedPaginatorSession(ctx, *embeds)
@@ -1031,7 +1031,7 @@ async def anonadduser(self, ctx, *users_arg: Union[discord.Member, discord.Role,
                 name = tag
             avatar_url = self.bot.config["anon_avatar_url"]
             if avatar_url is None:
-                avatar_url = self.bot.guild.icon.url
+                avatar_url = self.bot.get_guild_icon(guild=ctx.guild)
             em.set_footer(text=name, icon_url=avatar_url)
 
             for u in users:
@@ -1120,7 +1120,7 @@ async def anonremoveuser(self, ctx, *users_arg: Union[discord.Member, discord.Ro
                 name = tag
             avatar_url = self.bot.config["anon_avatar_url"]
             if avatar_url is None:
-                avatar_url = self.bot.guild.icon.url
+                avatar_url = self.bot.get_guild_icon(guild=ctx.guild)
             em.set_footer(text=name, icon_url=avatar_url)
 
             for u in users:
@@ -1200,7 +1200,7 @@ async def logs_closed_by(self, ctx, *, user: User = None):
         user = user if user is not None else ctx.author
 
         entries = await self.bot.api.search_closed_by(user.id)
-        embeds = self.format_log_embeds(entries, avatar_url=self.bot.guild.icon.url)
+        embeds = self.format_log_embeds(entries, avatar_url=self.bot.get_guild_icon(guild=ctx.guild))
 
         if not embeds:
             embed = discord.Embed(
@@ -1250,7 +1250,7 @@ async def logs_responded(self, ctx, *, user: User = None):
 
         entries = await self.bot.api.get_responded_logs(user.id)
 
-        embeds = self.format_log_embeds(entries, avatar_url=self.bot.guild.icon.url)
+        embeds = self.format_log_embeds(entries, avatar_url=self.bot.get_guild_icon(guild=ctx.guild))
 
         if not embeds:
             embed = discord.Embed(
@@ -1275,7 +1275,7 @@ async def logs_search(self, ctx, limit: Optional[int] = None, *, query):
 
         entries = await self.bot.api.search_by_text(query, limit)
 
-        embeds = self.format_log_embeds(entries, avatar_url=self.bot.guild.icon.url)
+        embeds = self.format_log_embeds(entries, avatar_url=self.bot.get_guild_icon(guild=ctx.guild))
 
         if not embeds:
             embed = discord.Embed(

cogs/utility.py

@@ -1020,15 +1020,15 @@ async def alias(self, ctx, *, name: str.lower = None):
                 color=self.bot.error_color, description="You dont have any aliases at the moment."
             )
             embed.set_footer(text=f'Do "{self.bot.prefix}help alias" for more commands.')
-            embed.set_author(name="Aliases", icon_url=ctx.guild.icon.url)
+            embed.set_author(name="Aliases", icon_url=self.bot.get_guild_icon(guild=ctx.guild))
             return await ctx.send(embed=embed)
 
         embeds = []
 
         for i, names in enumerate(zip_longest(*(iter(sorted(self.bot.aliases)),) * 15)):
             description = utils.format_description(i, names)
             embed = discord.Embed(color=self.bot.main_color, description=description)
-            embed.set_author(name="Command Aliases", icon_url=ctx.guild.icon.url)
+            embed.set_author(name="Command Aliases", icon_url=self.bot.get_guild_icon(guild=ctx.guild))
             embeds.append(embed)
 
         session = EmbedPaginatorSession(ctx, *embeds)
@@ -1611,7 +1611,9 @@ async def permissions_get(
                                 for name, level in takewhile(lambda x: x is not None, items)
                             )
                             embed = discord.Embed(color=self.bot.main_color, description=description)
-                            embed.set_author(name="Permission Overrides", icon_url=ctx.guild.icon.url)
+                            embed.set_author(
+                                name="Permission Overrides", icon_url=self.bot.get_guild_icon(guild=ctx.guild)
+                            )
                             embeds.append(embed)
 
                     session = EmbedPaginatorSession(ctx, *embeds)

core/thread.py

@@ -228,7 +228,7 @@ async def send_recipient_genesis_message():
             else:
                 footer = self.bot.config["thread_creation_footer"]
 
-            embed.set_footer(text=footer, icon_url=self.bot.guild.icon.url)
+            embed.set_footer(text=footer, icon_url=self.bot.get_guild_icon(guild=self.bot.modmail_guild))
             embed.title = self.bot.config["thread_creation_title"]
 
             if creator is None or creator == recipient:
@@ -521,7 +521,7 @@ async def _close(self, closer, silent=False, delete_channel=True, message=None,
 
         embed.description = message
         footer = self.bot.config["thread_close_footer"]
-        embed.set_footer(text=footer, icon_url=self.bot.guild.icon.url)
+        embed.set_footer(text=footer, icon_url=self.bot.get_guild_icon(guild=self.bot.guild))
 
         if not silent:
             for user in self.recipients:
@@ -957,7 +957,7 @@ async def send(
                     name = tag
                 avatar_url = self.bot.config["anon_avatar_url"]
                 if avatar_url is None:
-                    avatar_url = self.bot.guild.icon.url
+                    avatar_url = self.bot.get_guild_icon(guild=self.bot.guild)
                 embed.set_author(
                     name=name,
                     icon_url=avatar_url,