Initial commit: Open sourcing all of the Maple Open Technologies code.

cloud/maplefile-backend/internal/domain/storagedailyusage/model.go

@@ -0,0 +1,26 @@
+// monorepo/cloud/maplefile-backend/internal/maplefile/domain/storagedailyusage/model.go
+package storagedailyusage
+
+import (
+	"time"
+
+	"github.com/gocql/gocql"
+)
+
+type StorageDailyUsage struct {
+	UserID           gocql.UUID `json:"user_id"`   // Partition key
+	UsageDay         time.Time  `json:"usage_day"` // Clustering key (date only)
+	TotalBytes       int64      `json:"total_bytes"`
+	TotalAddBytes    int64      `json:"total_add_bytes"`
+	TotalRemoveBytes int64      `json:"total_remove_bytes"`
+}
+
+//
+// Use gocql.UUID from the github.com/gocql/gocql driver.
+//
+// For consistency, always store and retrieve DATE fields (like event_day and usage_day) as time.Time, but truncate to date only before inserting:
+//
+// ```go
+// usageDay := time.Now().Truncate(24 * time.Hour)
+// ```
+//