first commit

core/storage/main.go

@@ -0,0 +1,62 @@
+package storage
+
+type Listen struct {
+	UUID   string
+	Name   string
+	Key    string
+	Handle func(old string, new string, key string) *Final
+}
+
+var Listens []Listen
+
+var DisableHandle = func(uuid string) {
+	for i := range Listens {
+		if Listens[i].UUID == uuid {
+			Listens[i].Handle = func(old, new, key string) *Final {
+				return nil
+			}
+		}
+	}
+}
+
+type Bucket interface {
+	Set(interface{}, interface{}) (string, error)
+	Copy(string) Bucket
+	IsEmpty() (bool, error)
+	Size() (int64, error)
+	Delete() error
+	Type() string
+	Buckets() []string
+	GetString(...interface{}) string
+	GetBytes(string) []byte
+	GetInt(string, ...int) int
+	GetBool(string, ...bool) bool
+	Foreach(func([]byte, []byte) error)
+	Create(interface{}) error
+	First(interface{}) error
+	String() string
+	GetName() string
+	Keys() ([]string, error)
+}
+
+type Final struct {
+	Now     string
+	Message string
+	Error   error
+}
+
+func Watch(bucket Bucket, key interface{}, handle func(old string, new string, key string) *Final, uuid ...string) {
+	k := "*"
+	if key != nil {
+		k = key.(string)
+	}
+	listen := Listen{
+		Name:   bucket.GetName(),
+		Key:    k,
+		Handle: handle,
+	}
+	if len(uuid) != 0 {
+		listen.UUID = uuid[0]
+	}
+	Listens = append(Listens, listen)
+}