1 files changed, 84 insertions, 0 deletions
diff --git a/database/migrate.go b/database/migrate.go
new file mode 100644
index 0000000..f10e03b
--- /dev/null
+++ b/database/migrate.go
@@ -0,0 +1,84 @@
+package database
+
+import (
+	"log"
+
+	"database/sql"
+	_ "github.com/mattn/go-sqlite3"
+)
+
+type Migrator func(*sql.DB) (*sql.DB, error)
+
+func MigrateUsers(dbConn *sql.DB) (*sql.DB, error) {
+	log.Println("migrating users table")
+
+	_, err := dbConn.Exec(`CREATE TABLE IF NOT EXISTS users (
+		id INTEGER PRIMARY KEY AUTOINCREMENT,
+		username TEXT NOT NULL,
+		created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+	);`)
+	if err != nil {
+		return dbConn, err
+	}
+
+	log.Println("creating unique index on users table")
+	_, err = dbConn.Exec(`CREATE UNIQUE INDEX IF NOT EXISTS idx_users_username ON users (username);`)
+	if err != nil {
+		return dbConn, err
+	}
+
+	return dbConn, nil
+}
+
+func MigrateApiKeys(dbConn *sql.DB) (*sql.DB, error) {
+	log.Println("migrating api_keys table")
+
+	_, err := dbConn.Exec(`CREATE TABLE IF NOT EXISTS api_keys (
+                key TEXT PRIMARY KEY,
+		user_id INTEGER NOT NULL,
+		created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+		FOREIGN KEY (user_id) REFERENCES users (id)
+	);`)
+	if err != nil {
+		return dbConn, err
+	}
+	return dbConn, nil
+}
+
+func MigrateDNSRecords(dbConn *sql.DB) (*sql.DB, error) {
+	log.Println("migrating dns_records table")
+
+	_, err := dbConn.Exec(`CREATE TABLE IF NOT EXISTS dns_records (
+		id INTEGER PRIMARY KEY,
+		user_id INTEGER NOT NULL,
+		name TEXT NOT NULL,
+		type TEXT NOT NULL,
+		content TEXT NOT NULL,
+		ttl INTEGER NOT NULL,
+		created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+		FOREIGN KEY (user_id) REFERENCES users (id)
+	);`)
+	if err != nil {
+		return dbConn, err
+	}
+	return dbConn, nil
+}
+
+func Migrate(dbConn *sql.DB) (*sql.DB, error) {
+	log.Println("migrating database")
+
+	migrations := []Migrator{
+		MigrateUsers,
+		MigrateApiKeys,
+		MigrateDNSRecords,
+	}
+
+	for _, migration := range migrations {
+		dbConn, err := migration(dbConn)
+		if err != nil {
+			return dbConn, err
+		}
+	}
+
+	return dbConn, nil
+}