Initial commit

migrations/20240608163806_initial.sql

@@ -0,0 +1,43 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE IF NOT EXISTS users
+(
+    id         serial             NOT NULL,
+    username   VARCHAR(70) UNIQUE NOT NULL,
+    hashed_pwd VARCHAR(60)        NOT NULL,
+    email      VARCHAR(70) UNIQUE,
+    role       INT                NOT NULL,
+    expires_at TIMESTAMPTZ        NOT NULL DEFAULT NOW(),
+    created_at TIMESTAMPTZ        NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ        NOT NULL DEFAULT NOW(),
+
+    PRIMARY KEY (id),
+    CHECK (length(username) != 0 AND username = lower(username)),
+    CHECK (length(email) != 0 AND email = lower(email)),
+    CHECK (lower(username) != lower(email)),
+    CHECK (length(hashed_pwd) != 0),
+    CHECK (role BETWEEN 0 AND 3)
+);
+
+CREATE INDEX ON users (id);
+CREATE INDEX ON users (username);
+CREATE INDEX ON users (email);
+
+CREATE FUNCTION usr_upd_trg_fn() RETURNS TRIGGER
+    LANGUAGE plpgsql AS
+$$
+BEGIN
+    NEW.updated_at = NOW();
+    RETURN NEW;
+END;
+$$;
+
+CREATE TRIGGER usr_upd_trg
+    BEFORE UPDATE
+    ON users
+    FOR EACH ROW
+EXECUTE PROCEDURE usr_upd_trg_fn();
+-- +goose StatementEnd
+
+-- +goose Down
+DROP TABLE IF EXISTS users;