Add database migrations

internal/database/migrations/20240720055349_enable_extensions.sql

@@ -0,0 +1,11 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+CREATE EXTENSION IF NOT EXISTS pgcrypto;
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP EXTENSION IF EXISTS "uuid-ossp";
+DROP EXTENSION IF EXISTS pgcrypto;
+-- +goose StatementEnd

internal/database/migrations/20240720055620_add_change_updated_at_function.sql

@@ -0,0 +1,18 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE OR REPLACE FUNCTION change_updated_at() RETURNS TRIGGER AS $$
+  BEGIN
+    IF row(NEW.*) IS DISTINCT FROM row(OLD.*) THEN
+      NEW.updated_at = now(); 
+      RETURN NEW;
+    ELSE
+      RETURN OLD;
+    END IF;
+  END;
+$$ language 'plpgsql';
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP FUNCTION IF EXISTS change_updated_at();
+-- +goose StatementEnd

internal/database/migrations/20240720055717_add_users_table.sql

@@ -0,0 +1,21 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE IF NOT EXISTS users (
+  id UUID NOT NULL DEFAULT uuid_generate_v4() PRIMARY KEY,
+
+  name TEXT NOT NULL,
+  email TEXT NOT NULL UNIQUE CHECK (email = lower(email)),
+  password TEXT NOT NULL,
+
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  updated_at TIMESTAMPTZ
+);
+
+CREATE TRIGGER users_change_updated_at
+BEFORE UPDATE ON users FOR EACH ROW EXECUTE FUNCTION change_updated_at();
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE IF EXISTS users;
+-- +goose StatementEnd

internal/database/migrations/20240720055723_add_databases_table.sql

@@ -0,0 +1,20 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE IF NOT EXISTS databases (
+  id UUID NOT NULL DEFAULT uuid_generate_v4() PRIMARY KEY,
+
+  name TEXT NOT NULL UNIQUE,
+  connection_string TEXT NOT NULL,
+
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  updated_at TIMESTAMPTZ
+);
+
+CREATE TRIGGER databases_change_updated_at
+BEFORE UPDATE ON databases FOR EACH ROW EXECUTE FUNCTION change_updated_at();
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE IF EXISTS databases;
+-- +goose StatementEnd

internal/database/migrations/20240720055730_add_destinations_table.sql

@@ -0,0 +1,24 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE IF NOT EXISTS destinations (
+  id UUID NOT NULL DEFAULT uuid_generate_v4() PRIMARY KEY,
+
+  name TEXT NOT NULL UNIQUE,
+  bucket_name TEXT NOT NULL,
+  access_key TEXT NOT NULL,
+  secret_key TEXT NOT NULL,
+  region TEXT NOT NULL,
+  endpoint TEXT NOT NULL,
+
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  updated_at TIMESTAMPTZ
+);
+
+CREATE TRIGGER destinations_change_updated_at
+BEFORE UPDATE ON destinations FOR EACH ROW EXECUTE FUNCTION change_updated_at();
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE IF EXISTS destinations;
+-- +goose StatementEnd

internal/database/migrations/20240720060503_add_backups_table.sql

@@ -0,0 +1,37 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE IF NOT EXISTS backups (
+  id UUID NOT NULL DEFAULT uuid_generate_v4() PRIMARY KEY,
+  database_id UUID NOT NULL REFERENCES databases(id),
+  destination_id UUID NOT NULL REFERENCES destinations(id),
+
+  name TEXT NOT NULL,
+  cron_expression TEXT NOT NULL UNIQUE,
+  is_active BOOLEAN NOT NULL DEFAULT FALSE,
+  dest_dir TEXT NOT NULL,
+
+  opt_data_only BOOLEAN NOT NULL DEFAULT FALSE,
+  opt_schema_only BOOLEAN NOT NULL DEFAULT FALSE,
+  opt_clean BOOLEAN NOT NULL DEFAULT FALSE,
+  opt_if_exists BOOLEAN NOT NULL DEFAULT FALSE,
+  opt_create BOOLEAN NOT NULL DEFAULT FALSE,
+  opt_no_comments BOOLEAN NOT NULL DEFAULT FALSE,
+
+  created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  updated_at TIMESTAMPTZ
+);
+
+CREATE TRIGGER backups_change_updated_at
+BEFORE UPDATE ON backups FOR EACH ROW EXECUTE FUNCTION change_updated_at();
+
+CREATE INDEX IF NOT EXISTS
+idx_backups_database_id ON backups(database_id);
+
+CREATE INDEX IF NOT EXISTS
+idx_backups_destination_id ON backups(destination_id);
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE IF EXISTS backups;
+-- +goose StatementEnd

internal/database/migrations/20240720060508_add_executions_table.sql

@@ -0,0 +1,22 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE IF NOT EXISTS executions (
+  id UUID NOT NULL DEFAULT uuid_generate_v4() PRIMARY KEY,
+
+  ok BOOLEAN NOT NULL,
+  message TEXT NOT NULL,
+  backup_uri TEXT,
+
+  started_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+  updated_at TIMESTAMPTZ,
+  finished_at TIMESTAMPTZ
+);
+
+CREATE TRIGGER executions_change_updated_at
+BEFORE UPDATE ON executions FOR EACH ROW EXECUTE FUNCTION change_updated_at();
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE IF EXISTS executions;
+-- +goose StatementEnd