Initial commit

migrations/20260807010000_entity_history.sql

@@ -0,0 +1,77 @@
+CREATE TABLE guild_history (
+    uuid UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    guild_id BIGINT NOT NULL,
+    guild_name TEXT NOT NULL,
+    guild_icon_url TEXT,
+    first_seen_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    last_seen_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+
+    UNIQUE NULLS NOT DISTINCT (guild_id, guild_name, guild_icon_url),
+
+    FOREIGN KEY (guild_id)
+        REFERENCES guilds(guild_id)
+        ON DELETE CASCADE
+);
+
+CREATE TABLE channel_history (
+    uuid UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    channel_id BIGINT NOT NULL,
+    channel_name TEXT NOT NULL,
+    first_seen_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    last_seen_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+
+    UNIQUE (channel_id, channel_name),
+
+    FOREIGN KEY (channel_id)
+        REFERENCES channels(channel_id)
+        ON DELETE CASCADE
+);
+
+CREATE TABLE discord_user_history (
+    uuid UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    discord_id BIGINT NOT NULL,
+    discord_username TEXT NOT NULL,
+    discord_avatar_url TEXT,
+    first_seen_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    last_seen_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+
+    UNIQUE NULLS NOT DISTINCT (discord_id, discord_username, discord_avatar_url),
+
+    FOREIGN KEY (discord_id)
+        REFERENCES discord_users(discord_id)
+        ON DELETE CASCADE
+);
+
+CREATE TABLE guild_users (
+    guild_id BIGINT NOT NULL,
+    discord_id BIGINT NOT NULL,
+    first_seen_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    last_seen_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+
+    PRIMARY KEY (guild_id, discord_id),
+
+    FOREIGN KEY (guild_id)
+        REFERENCES guilds(guild_id)
+        ON DELETE CASCADE,
+
+    FOREIGN KEY (discord_id)
+        REFERENCES discord_users(discord_id)
+        ON DELETE CASCADE
+);
+
+INSERT INTO guild_history (guild_id, guild_name, guild_icon_url)
+SELECT guild_id, guild_name, guild_icon_url
+FROM guilds;
+
+INSERT INTO channel_history (channel_id, channel_name)
+SELECT channel_id, channel_name
+FROM channels;
+
+INSERT INTO discord_user_history (discord_id, discord_username, discord_avatar_url)
+SELECT discord_id, discord_username, NULL
+FROM discord_users;
+
+INSERT INTO guild_users (guild_id, discord_id)
+SELECT guild_id, author_id
+FROM messages
+GROUP BY guild_id, author_id;