Initial CPONE middleware implementation

internal/http/response.go

@@ -0,0 +1,25 @@
+package http
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"primaya-api/cpone-middleware/internal/repository"
+)
+
+type Response struct {
+	Success bool   `json:"success"`
+	Message string `json:"message"`
+	Data    any    `json:"data"`
+}
+
+type MappingHargaData struct {
+	PeriodeTarifID string                    `json:"PeriodeTarifID"`
+	DetailLayanan  []repository.TarifLayanan `json:"DetailLayanan"`
+}
+
+func WriteJSON(w http.ResponseWriter, statusCode int, payload Response) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(statusCode)
+	_ = json.NewEncoder(w).Encode(payload)
+}