feat: dump from es with query, limit

internal/interfaces/dumpio.go

@@ -1,7 +1,10 @@
 package interfaces
 
 type DumpIO interface {
-	Write(docs []map[string]any) (int, error)
-	Read(int) ([]map[string]any, error)
+	Write(docs []*ESSource) (int, error)
+	Read(int) ([]*ESSource, error)
 	Close() error
+
+	IsInput() bool
+	IsFile() bool
 }

internal/interfaces/enum.go

@@ -0,0 +1,19 @@
+package interfaces
+
+type IO int64
+
+const (
+	IOInput IO = iota
+	IOOutput
+)
+
+func (io IO) Code() string {
+	switch io {
+	case IOInput:
+		return "input"
+	case IOOutput:
+		return "output"
+	default:
+		return "unknown"
+	}
+}

internal/interfaces/source.go

@@ -0,0 +1,27 @@
+package interfaces
+
+type ESSource struct {
+	DocId   string         `json:"_id"`
+	Index   string         `json:"_index"`
+	Content map[string]any `json:"_source"`
+}
+
+type ESResponse struct {
+	ScrollId string `json:"_scroll_id"`
+	Took     int    `json:"took"`
+	TimedOut bool   `json:"timed_out"`
+	Shards   struct {
+		Total      int `json:"total"`
+		Successful int `json:"successful"`
+		Skipped    int `json:"skipped"`
+		Failed     int `json:"failed"`
+	} `json:"_shards"`
+	Hits struct {
+		Total struct {
+			Value    int    `json:"value"`
+			Relation string `json:"relation"`
+		} `json:"total"`
+		MaxScore float64     `json:"max_score"`
+		Hits     []*ESSource `json:"hits"`
+	} `json:"hits"`
+}