From b11c39da187df44a2fa90cfa09b2a10b397ca7c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rn-Michael=20Miehe?=
 <joern-michael.miehe@lenaisten.de>
Date: Sun, 19 Nov 2023 17:32:12 +0100
Subject: [PATCH] /post command target and authorization

---
 .flake8                      |  2 +-
 lenaverse_bot/core/config.py | 36 ++++++++++++++++++++++++++++++++++++
 lenaverse_bot/core/post.py   | 17 +++++++++++++++--
 3 files changed, 52 insertions(+), 3 deletions(-)

diff --git a/.flake8 b/.flake8
index 666e9d4..e5084ca 100644
--- a/.flake8
+++ b/.flake8
@@ -1,4 +1,4 @@
 [flake8]
 max-line-length = 80
 select = C,E,F,I,W,B,B950
-extend-ignore = E203, E501
+extend-ignore = E203, E501, W503
diff --git a/lenaverse_bot/core/config.py b/lenaverse_bot/core/config.py
index 8b5df2f..5f2e4a5 100644
--- a/lenaverse_bot/core/config.py
+++ b/lenaverse_bot/core/config.py
@@ -2,11 +2,47 @@ import os
 import tomllib
 from typing import Self
 
+import discord
 from pydantic import BaseModel
 
 
+class PostTarget(BaseModel):
+    server: str
+    channel: str
+    thread: str
+
+    def get(self, client: discord.Client) -> discord.Thread:
+        """
+        Zielkanal für Posts finden
+        """
+
+        guilds = [guild for guild in client.guilds if guild.name == self.server]
+        assert len(guilds) == 1
+
+        channels = [
+            channel
+            for channel in guilds[0].channels
+            if isinstance(channel, discord.TextChannel | discord.ForumChannel)
+            and channel.name == self.channel
+        ]
+        assert len(channels) == 1
+
+        threads = [
+            thread for thread in channels[0].threads if thread.name == self.thread
+        ]
+        assert len(threads) == 1
+
+        return threads[0]
+
+
+class Post(BaseModel):
+    target: PostTarget
+    users: list[int]
+
+
 class Config(BaseModel):
     discord_token: str
+    post: Post
 
     @classmethod
     def get(cls) -> Self:
diff --git a/lenaverse_bot/core/post.py b/lenaverse_bot/core/post.py
index 03b6d71..2d21e4c 100644
--- a/lenaverse_bot/core/post.py
+++ b/lenaverse_bot/core/post.py
@@ -3,6 +3,8 @@ from enum import Enum, auto
 import discord
 from discord import ui
 
+from .config import CONFIG
+
 
 class Action(Enum):
     """
@@ -65,7 +67,8 @@ class PostModal(ui.Modal, title="Post verfassen"):
 
         if view.action is Action.PUBLISH:
             # Post veröffentlichen
-            await interaction.user.send(self.content.value)
+            target = CONFIG.post.target.get(interaction.client)
+            await target.send(self.content.value)
 
 
 @discord.app_commands.command()
@@ -74,4 +77,14 @@ async def post(interaction: discord.Interaction):
     Einen Post im Lenaisten-Bereich verfassen (nur für ausgewählte Mitglieder verfügbar)
     """
 
-    await interaction.response.send_modal(PostModal())
+    if interaction.user.id in CONFIG.post.users:
+        # Verfassen-Dialog anzeigen
+        await interaction.response.send_modal(PostModal())
+
+    else:
+        await interaction.response.send_message(
+            # Zugriff verweigern
+            content="Du bist nicht berechtigt, den `/post`-Befehl zu benutzen!",
+            # nur für ausführenden User
+            ephemeral=True,
+        )