refactor(api): API overhaul (#392)

api/bolt/datastore.go

@@ -0,0 +1,58 @@
+package bolt
+
+import (
+	"github.com/boltdb/bolt"
+	"time"
+)
+
+// Store defines the implementation of portainer.DataStore using
+// BoltDB as the storage system.
+type Store struct {
+	// Path where is stored the BoltDB database.
+	Path string
+
+	// Services
+	UserService *UserService
+
+	db *bolt.DB
+}
+
+const (
+	databaseFileName = "portainer.db"
+	userBucketName   = "users"
+)
+
+// NewStore initializes a new Store and the associated services
+func NewStore(storePath string) *Store {
+	store := &Store{
+		Path:        storePath,
+		UserService: &UserService{},
+	}
+	store.UserService.store = store
+	return store
+}
+
+// Open opens and initializes the BoltDB database.
+func (store *Store) Open() error {
+	path := store.Path + "/" + databaseFileName
+	db, err := bolt.Open(path, 0600, &bolt.Options{Timeout: 1 * time.Second})
+	if err != nil {
+		return err
+	}
+	store.db = db
+	return db.Update(func(tx *bolt.Tx) error {
+		_, err := tx.CreateBucketIfNotExists([]byte(userBucketName))
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+}
+
+// Close closes the BoltDB database.
+func (store *Store) Close() error {
+	if store.db != nil {
+		return store.db.Close()
+	}
+	return nil
+}