1 files changed, 164 insertions, 0 deletions
diff --git a/botstrap.py b/botstrap.py
new file mode 100644
index 000000000..4b00be9aa
--- /dev/null
+++ b/botstrap.py
@@ -0,0 +1,164 @@
+import os
+import re
+from pathlib import Path
+
+from dotenv import load_dotenv
+from httpx import Client, HTTPStatusError, Response
+
+from bot.constants import Webhooks, _Categories, _Channels, _Roles
+from bot.log import get_logger
+
+load_dotenv()
+log = get_logger("Config Bootstrapper")
+
+env_file_path = Path(".env.server")
+BOT_TOKEN = os.getenv("BOT_TOKEN", None)
+GUILD_ID = os.getenv("GUILD_ID", None)
+
+
+if not BOT_TOKEN:
+    message = (
+        "Couldn't find BOT_TOKEN in the environment variables."
+        "Make sure to add it to the `.env` file likewise: `BOT_TOKEN=value_of_your_bot_token`"
+    )
+    log.warning(message)
+    raise ValueError(message)
+
+if not GUILD_ID:
+    message = (
+        "Couldn't find GUILD_ID in the environment variables."
+        "Make sure to add it to the `.env` file likewise: `GUILD_ID=value_of_your_discord_server_id`"
+    )
+    log.warning(message)
+    raise ValueError(message)
+
+
+class DiscordClient(Client):
+    """An HTTP client to communicate with Discord's APIs."""
+
+    def __init__(self):
+        super().__init__(
+            base_url="https://discord.com/api/v10",
+            headers={"Authorization": f"Bot {BOT_TOKEN}"},
+            event_hooks={"response": [self._raise_for_status]}
+        )
+
+    @staticmethod
+    def _raise_for_status(response: Response) -> None:
+        response.raise_for_status()
+
+
+def get_all_roles(guild_id: int | str, client: DiscordClient) -> dict:
+    """Fetches all the roles in a guild."""
+    result = {}
+
+    response = client.get(f"guilds/{guild_id}/roles")
+    roles = response.json()
+
+    for role in roles:
+        name = "_".join(part.lower() for part in role["name"].split(" ")).replace("-", "_")
+        result[name] = role["id"]
+
+    return result
+
+
+def get_all_channels_and_categories(
+        guild_id: int | str,
+        client: DiscordClient
+) -> tuple[dict[str, str], dict[str, str]]:
+    """Fetches all the text channels & categories in a guild."""
+    off_topic_channel_name_regex = r"ot\d{1}(_.*)+"
+    off_topic_count = 0
+    channels = {}  # could be text channels only as well
+    categories = {}
+
+    response = client.get(f"guilds/{guild_id}/channels")
+    server_channels = response.json()
+
+    for channel in server_channels:
+        channel_type = channel["type"]
+        name = "_".join(part.lower() for part in channel["name"].split(" ")).replace("-", "_")
+        if re.match(off_topic_channel_name_regex, name):
+            name = f"off_topic_{off_topic_count}"
+            off_topic_count += 1
+
+        if channel_type == 4:
+            categories[name] = channel["id"]
+        else:
+            channels[name] = channel["id"]
+
+    return channels, categories
+
+
+def webhook_exists(webhook_id_: int, client: DiscordClient) -> bool:
+    """A predicate that indicates whether a webhook exists already or not."""
+    try:
+        client.get(f"webhooks/{webhook_id_}")
+        return True
+    except HTTPStatusError:
+        return False
+
+
+def create_webhook(name: str, channel_id_: int, client: DiscordClient) -> str:
+    """Creates a new webhook for a particular channel."""
+    payload = {"name": name}
+
+    response = client.post(f"channels/{channel_id_}/webhooks", json=payload)
+    new_webhook = response.json()
+    return new_webhook["id"]
+
+
+with DiscordClient() as discord_client:
+    config_str = "#Roles\n"
+
+    all_roles = get_all_roles(guild_id=GUILD_ID, client=discord_client)
+
+    for role_name in _Roles.__fields__:
+
+        role_id = all_roles.get(role_name, None)
+        if not role_id:
+            log.warning(f"Couldn't find the role {role_name} in the guild, PyDis' default values will be used.")
+            continue
+
+        config_str += f"roles_{role_name}={role_id}\n"
+
+    all_channels, all_categories = get_all_channels_and_categories(guild_id=GUILD_ID, client=discord_client)
+
+    config_str += "\n#Channels\n"
+
+    for channel_name in _Channels.__fields__:
+        channel_id = all_channels.get(channel_name, None)
+        if not channel_id:
+            log.warning(
+                f"Couldn't find the channel {channel_name} in the guild, PyDis' default values will be used."
+            )
+            continue
+
+        config_str += f"channels_{channel_name}={channel_id}\n"
+
+    config_str += "\n#Categories\n"
+
+    for category_name in _Categories.__fields__:
+        category_id = all_categories.get(category_name, None)
+        if not category_id:
+            log.warning(
+                f"Couldn't find the category {category_name} in the guild, PyDis' default values will be used."
+            )
+            continue
+
+        config_str += f"categories_{category_name}={category_id}\n"
+
+    env_file_path.write_text(config_str)
+
+    config_str += "\n#Webhooks\n"
+
+    for webhook_name, webhook_model in Webhooks:
+        webhook = webhook_exists(webhook_model.id, client=discord_client)
+        if not webhook:
+            webhook_channel_id = int(all_channels[webhook_name])
+            webhook_id = create_webhook(webhook_name, webhook_channel_id, client=discord_client)
+        else:
+            webhook_id = webhook_model.id
+        config_str += f"webhooks_{webhook_name}.id={webhook_id}\n"
+
+    env_file_path.write_text(config_str)