feat(macros): align attachment uploads

internal/handler/api/v1/upload_handler.go

@@ -1,10 +1,12 @@
 package v1
 
 import (
+	"errors"
 	"net/http"
 	"strings"
 
 	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
 
 	"github.com/gochat/gochat/internal/service"
 	"github.com/gochat/gochat/pkg/response"
@@ -29,21 +31,44 @@ func (h *UploadHandler) Upload(c *gin.Context) {
 		return
 	}
 
-	fileHeader, err := c.FormFile("file")
-	if err != nil {
-		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrValidation, "file is required")
-		return
+	var result *service.UploadResponse
+	var svcErr error
+	if strings.Contains(c.GetHeader("Content-Type"), "application/json") {
+		var req struct {
+			ExternalURL string `json:"external_url"`
+		}
+		if err := c.ShouldBindJSON(&req); err != nil || strings.TrimSpace(req.ExternalURL) == "" {
+			c.JSON(http.StatusUnprocessableEntity, gin.H{"error": "missing input"})
+			return
+		}
+		result, svcErr = h.svc.AccountUploadFromURL(c.Request.Context(), accountID, strings.TrimSpace(req.ExternalURL))
+	} else {
+		fileHeader, err := c.FormFile("attachment")
+		if err != nil {
+			fileHeader, err = c.FormFile("file")
+		}
+		if err != nil {
+			c.JSON(http.StatusUnprocessableEntity, gin.H{"error": "missing input"})
+			return
+		}
+		result, svcErr = h.svc.AccountUpload(c.Request.Context(), accountID, service.AccountUploadRequest{
+			FileHeader: fileHeader,
+		})
 	}
-
-	result, svcErr := h.svc.AccountUpload(c.Request.Context(), accountID, service.AccountUploadRequest{
-		FileHeader: fileHeader,
-	})
 	if svcErr != nil {
-		handleServiceError(c, svcErr)
+		status := http.StatusUnprocessableEntity
+		if errors.Is(svcErr, gorm.ErrRecordNotFound) {
+			status = http.StatusNotFound
+		}
+		c.JSON(status, gin.H{"error": svcErr.Error()})
 		return
 	}
 
-	response.OK(c, result)
+	c.JSON(http.StatusOK, gin.H{
+		"file_url": result.FileURL,
+		"blob_id":  result.UploadUUID,
+		"blob_key": result.UploadUUID,
+	})
 }
 
 // DirectUpload handles POST /api/v1/widget/direct_uploads — widget direct file upload.