guilds: add basic vanity urls

- add vanity_invites table

litecord/blueprints/guilds.py

@@ -371,3 +371,23 @@ async def ack_guild(guild_id):
         await channel_ack(user_id, guild_id, chan_id)
 
     return '', 204
+
+
+@bp.route('/<int:guild_id>/vanity-url', methods=['GET'])
+async def get_vanity_url(guild_id: int):
+    """Get the vanity url of a guild."""
+    user_id = await token_check()
+
+    await guild_perm_check(user_id, guild_id, 'manage_guild')
+
+    inv_code = await app.db.fetchval("""
+    SELECT code FROM vanity_invites
+    WHERE guild_id = $1
+    """, guild_id)
+
+    if inv_code is None:
+        return jsonify({'code': None})
+
+    return jsonify(
+        await app.storage.get_invite(inv_code)
+    )

manage/cmd/migration/scripts/13_add_vanity_invites_table.sql

@@ -0,0 +1,5 @@
+-- vanity url table, the mapping is 1-1 for guilds and vanity urls
+CREATE TABLE IF NOT EXISTS vanity_invites (
+    guild_id bigint REFERENCES guilds (id) PRIMARY KEY,
+    code text REFERENCES invites (code) ON DELETE CASCADE
+);

schema.sql

@@ -527,6 +527,12 @@ CREATE TABLE IF NOT EXISTS invites (
     revoked bool DEFAULT false
 );
 
+-- vanity url table, the mapping is 1-1 for guilds and vanity urls
+CREATE TABLE IF NOT EXISTS vanity_invites (
+    guild_id bigint REFERENCES guilds (id) PRIMARY KEY,
+    code text REFERENCES invites (code) ON DELETE CASCADE
+);
+
 
 CREATE TABLE IF NOT EXISTS webhooks (
     id bigint PRIMARY KEY,