fix: improve image upload validation and handling

- Add URL validation for image URL in backend
- Enhance frontend image upload logic to handle optional file and URL inputs
- Remove debug print statement in send validation

src/validations/send_validation.go

@@ -45,8 +45,6 @@ func ValidateSendImage(ctx context.Context, request domainSend.ImageRequest) err
 			"image/png":  true,
 		}
 
-		fmt.Println(request.Image.Header.Get("Content-Type"))
-
 		if !availableMimes[request.Image.Header.Get("Content-Type")] {
 			return pkgError.ValidationError("your image is not allowed. please use jpg/jpeg/png")
 		}
@@ -56,6 +54,11 @@ func ValidateSendImage(ctx context.Context, request domainSend.ImageRequest) err
 		if *request.ImageURL == "" {
 			return pkgError.ValidationError("ImageURL cannot be empty")
 		}
+
+		err := validation.Validate(*request.ImageURL, is.URL)
+		if err != nil {
+			return pkgError.ValidationError("ImageURL must be a valid URL")
+		}
 	}
 
 	return nil

src/views/components/SendImage.js

@@ -66,8 +66,16 @@ export default {
                 payload.append("view_once", this.view_once)
                 payload.append("compress", this.compress)
                 payload.append("caption", this.caption)
-                payload.append('image', $("#file_image")[0].files[0])
-                payload.append('image_url', this.image_url)
+                
+                const fileInput = $("#file_image");
+                if (fileInput.length > 0 && fileInput[0].files.length > 0) {
+                    const file = fileInput[0].files[0];
+                    payload.append('image', file);
+                }
+                if (this.image_url) {
+                    payload.append('image_url', this.image_url)
+                }
+                
                 let response = await window.http.post(`/send/image`, payload)
                 this.handleReset();
                 return response.data.message;