80 lines
3.0 KiB
PL/PgSQL
80 lines
3.0 KiB
PL/PgSQL
-- PostgreSQL schema initialization for core models
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-- Derived from Sequelize models: User, Group, Friendship, FriendRequest, and the User<->Group join table
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-- Drop tables in dependency order
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DROP TABLE IF EXISTS "UserGroups" CASCADE;
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DROP TABLE IF EXISTS friend_requests CASCADE;
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DROP TABLE IF EXISTS friendships CASCADE;
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DROP TABLE IF EXISTS groups CASCADE;
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DROP TABLE IF EXISTS users CASCADE;
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-- users table
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CREATE TABLE users (
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id SERIAL PRIMARY KEY,
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"keycloakId" VARCHAR(255) UNIQUE,
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name VARCHAR(255) NOT NULL,
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"email" VARCHAR(255) NOT NULL UNIQUE,
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"avatarUrl" VARCHAR(255) NOT NULL,
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score INTEGER NOT NULL DEFAULT 0
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);
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-- groups table
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CREATE TABLE groups (
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id SERIAL PRIMARY KEY,
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name VARCHAR(255) NOT NULL
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);
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-- friendships table
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-- In-model hook ensures user1Id < user2Id at application level; we also add a DB check for safety.
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CREATE TABLE friendships (
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id SERIAL PRIMARY KEY,
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"user1Id" INTEGER NOT NULL,
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"user2Id" INTEGER NOT NULL,
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CONSTRAINT friendships_user_order_chk CHECK ("user1Id" < "user2Id"),
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CONSTRAINT friendships_user_pair_uniq UNIQUE ("user1Id", "user2Id"),
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CONSTRAINT friendships_user1_fk FOREIGN KEY ("user1Id") REFERENCES users(id) ON DELETE CASCADE,
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CONSTRAINT friendships_user2_fk FOREIGN KEY ("user2Id") REFERENCES users(id) ON DELETE CASCADE
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);
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-- friend_requests table (with Sequelize default timestamps)
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CREATE TABLE friend_requests (
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id SERIAL PRIMARY KEY,
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status VARCHAR(50) NOT NULL DEFAULT 'PENDING',
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"fromUserId" INTEGER NOT NULL,
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"toUserId" INTEGER NOT NULL,
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"createdAt" TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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"updatedAt" TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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CONSTRAINT friend_requests_from_fk FOREIGN KEY ("fromUserId") REFERENCES users(id) ON DELETE CASCADE,
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CONSTRAINT friend_requests_to_fk FOREIGN KEY ("toUserId") REFERENCES users(id) ON DELETE CASCADE
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);
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-- Optional: keep updatedAt current via trigger (Sequelize usually updates it in app code)
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-- You can uncomment the below if you want DB-side auto update
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-- CREATE OR REPLACE FUNCTION set_updated_at()
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-- RETURNS TRIGGER AS $$
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-- BEGIN
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-- NEW."updatedAt" = NOW();
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-- RETURN NEW;
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-- END;
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-- $$ LANGUAGE plpgsql;
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-- CREATE TRIGGER friend_requests_set_updated_at
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-- BEFORE UPDATE ON friend_requests
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-- FOR EACH ROW
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-- EXECUTE FUNCTION set_updated_at();
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-- User <-> Group many-to-many join table
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CREATE TABLE "UserGroups" (
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id SERIAL PRIMARY KEY,
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"userId" INTEGER NOT NULL,
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"groupId" INTEGER NOT NULL,
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CONSTRAINT usergroups_user_fk FOREIGN KEY ("userId") REFERENCES users(id) ON DELETE CASCADE,
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CONSTRAINT usergroups_group_fk FOREIGN KEY ("groupId") REFERENCES groups(id) ON DELETE CASCADE,
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CONSTRAINT usergroups_user_group_uniq UNIQUE ("userId", "groupId")
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);
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-- Helpful indexes
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CREATE INDEX IF NOT EXISTS idx_friend_requests_from ON friend_requests ("fromUserId");
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CREATE INDEX IF NOT EXISTS idx_friend_requests_to ON friend_requests ("toUserId");
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CREATE INDEX IF NOT EXISTS idx_friendships_user1 ON friendships ("user1Id");
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CREATE INDEX IF NOT EXISTS idx_friendships_user2 ON friendships ("user2Id");
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