feature: Add streamalerts cog.

data/schema.sql

@@ -1355,6 +1355,57 @@ CREATE TABLE premium_guild_contributions(
 -- }}}
 
 
+-- Stream Alerts {{{
+
+-- DROP TABLE IF EXISTS stream_alerts;
+-- DROP TABLE IF EXISTS streams;
+-- DROP TABLE IF EXISTS alert_channels;
+-- DROP TABLE IF EXISTS streamers;
+
+CREATE TABLE streamers(
+  userid BIGINT PRIMARY KEY,
+  login_name TEXT NOT NULL,
+  display_name TEXT NOT NULL
+);
+
+CREATE TABLE alert_channels(
+  subscriptionid SERIAL PRIMARY KEY,
+  guildid BIGINT NOT NULL,
+  channelid BIGINT NOT NULL,
+  streamerid BIGINT NOT NULL REFERENCES streamers (userid) ON DELETE CASCADE,
+  created_by BIGINT NOT NULL,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  paused BOOLEAN NOT NULL DEFAULT FALSE,
+  end_delete BOOLEAN NOT NULL DEFAULT FALSE,
+  live_message TEXT,
+  end_message TEXT
+);
+CREATE INDEX alert_channels_guilds ON alert_channels (guildid);
+CREATE UNIQUE INDEX alert_channels_channelid_streamerid ON alert_channels (channelid, streamerid);
+
+CREATE TABLE streams(
+  streamid SERIAL PRIMARY KEY,
+  streamerid BIGINT NOT NULL REFERENCES streamers (userid) ON DELETE CASCADE,
+  start_at TIMESTAMPTZ NOT NULL,
+  twitch_stream_id BIGINT,
+  game_name TEXT,
+  title TEXT,
+  end_at TIMESTAMPTZ
+);
+
+CREATE TABLE stream_alerts(
+    alertid SERIAL PRIMARY KEY,
+    streamid INTEGER NOT NULL REFERENCES streams (streamid) ON DELETE CASCADE,
+    subscriptionid INTEGER NOT NULL REFERENCES alert_channels (subscriptionid) ON DELETE CASCADE,
+    sent_at TIMESTAMPTZ NOT NULL,
+    messageid BIGINT NOT NULL,
+    resolved_at TIMESTAMPTZ
+);
+
+
+-- }}}
+
+
 -- Analytics Data {{{
 CREATE SCHEMA "analytics";