Merge branch 'master' into caesar-command

1 files changed, 71 insertions, 0 deletions

diff --git a/bot/exts/evergreen/conversationstarters.py b/bot/exts/evergreen/conversationstarters.py
new file mode 100644
index 00000000..576b8d76
--- /dev/null
+++ b/bot/exts/evergreen/conversationstarters.py
@@ -0,0 +1,71 @@
+from pathlib import Path
+
+import yaml
+from discord import Color, Embed
+from discord.ext import commands
+
+from bot.constants import WHITELISTED_CHANNELS
+from bot.utils.decorators import override_in_channel
+from bot.utils.randomization import RandomCycle
+
+SUGGESTION_FORM = 'https://forms.gle/zw6kkJqv8U43Nfjg9'
+
+with Path("bot/resources/evergreen/starter.yaml").open("r", encoding="utf8") as f:
+    STARTERS = yaml.load(f, Loader=yaml.FullLoader)
+
+with Path("bot/resources/evergreen/py_topics.yaml").open("r", encoding="utf8") as f:
+    # First ID is #python-general and the rest are top to bottom categories of Topical Chat/Help.
+    PY_TOPICS = yaml.load(f, Loader=yaml.FullLoader)
+
+    # Removing `None` from lists of topics, if not a list, it is changed to an empty one.
+    PY_TOPICS = {k: [i for i in v if i] if isinstance(v, list) else [] for k, v in PY_TOPICS.items()}
+
+    # All the allowed channels that the ".topic" command is allowed to be executed in.
+    ALL_ALLOWED_CHANNELS = list(PY_TOPICS.keys()) + list(WHITELISTED_CHANNELS)
+
+# Putting all topics into one dictionary and shuffling lists to reduce same-topic repetitions.
+ALL_TOPICS = {'default': STARTERS, **PY_TOPICS}
+TOPICS = {
+    channel: RandomCycle(topics or ['No topics found for this channel.'])
+    for channel, topics in ALL_TOPICS.items()
+}
+
+
+class ConvoStarters(commands.Cog):
+    """Evergreen conversation topics."""
+
+    def __init__(self, bot: commands.Bot):
+        self.bot = bot
+
+    @commands.command()
+    @override_in_channel(ALL_ALLOWED_CHANNELS)
+    async def topic(self, ctx: commands.Context) -> None:
+        """
+        Responds with a random topic to start a conversation.
+
+        If in a Python channel, a python-related topic will be given.
+
+        Otherwise, a random conversation topic will be received by the user.
+        """
+        # No matter what, the form will be shown.
+        embed = Embed(description=f'Suggest more topics [here]({SUGGESTION_FORM})!', color=Color.blurple())
+
+        try:
+            # Fetching topics.
+            channel_topics = TOPICS[ctx.channel.id]
+
+        # If the channel isn't Python-related.
+        except KeyError:
+            embed.title = f'**{next(TOPICS["default"])}**'
+
+        # If the channel ID doesn't have any topics.
+        else:
+            embed.title = f'**{next(channel_topics)}**'
+
+        finally:
+            await ctx.send(embed=embed)
+
+
+def setup(bot: commands.Bot) -> None:
+    """Conversation starters Cog load."""
+    bot.add_cog(ConvoStarters(bot))