add parser

internal/services/schedule_storage/service.go

@@ -0,0 +1,32 @@
+package schedule_storage
+
+import (
+	"encoding/json"
+	"log"
+	"os"
+	"pinned_message/internal/models"
+)
+
+type ScheduleStorage struct {
+	filepath string
+}
+
+func NewScheduleStorage(
+	filepath string,
+) *ScheduleStorage {
+	return &ScheduleStorage{
+		filepath: filepath,
+	}
+}
+
+func (s *ScheduleStorage) SaveSchedule(days []*models.Day) error {
+	data, err := json.Marshal(days)
+	if err != nil {
+		return err
+	}
+	if err := os.WriteFile(s.filepath, data, 0x777); err != nil {
+		return err
+	}
+	log.Printf("save story to: %s", s.filepath)
+	return nil
+}