feat(notification): add dashboard notification center

internal/builders/notification_builder.go

@@ -0,0 +1,38 @@
+package builders
+
+import (
+	"cs-agent/internal/models"
+	"cs-agent/internal/pkg/dto/response"
+	"cs-agent/internal/pkg/utils"
+)
+
+func BuildNotification(item *models.Notification) *response.NotificationResponse {
+	if item == nil {
+		return nil
+	}
+	return &response.NotificationResponse{
+		ID:               item.ID,
+		RecipientUserID:  item.RecipientUserID,
+		Title:            item.Title,
+		Content:          item.Content,
+		NotificationType: item.NotificationType,
+		BizType:          item.BizType,
+		BizID:            item.BizID,
+		ActionURL:        item.ActionURL,
+		ReadAt:           utils.FormatTimePtr(item.ReadAt),
+		CreatedAt:        utils.FormatTime(item.CreatedAt),
+	}
+}
+
+func BuildNotificationList(list []models.Notification) []response.NotificationResponse {
+	if len(list) == 0 {
+		return nil
+	}
+	results := make([]response.NotificationResponse, 0, len(list))
+	for i := range list {
+		if item := BuildNotification(&list[i]); item != nil {
+			results = append(results, *item)
+		}
+	}
+	return results
+}