feat(backend): add image conversion handler and refactor image compression logic into a new file

backend/internal/controllers/task.go

@@ -13,6 +13,7 @@ import (
 
 var handleTaskMap = map[string]func(c *echo.Context) ([]byte, error){
 	"image:compress": task.HandleImageCompress,
+	"image:convert":  task.HandleImageConvert,
 }
 
 func CreateTask(c *echo.Context) error {

backend/internal/controllers/task/image.go

@@ -0,0 +1,53 @@
+package task
+
+import (
+	"encoding/json"
+	"errors"
+
+	"github.com/labstack/echo/v5"
+)
+
+type BaseImageRequest struct {
+	FileId string `json:"file_id"`
+}
+
+func HandleImageCompress(c *echo.Context) ([]byte, error) {
+	r := new(BaseImageRequest)
+	if err := c.Bind(r); err != nil {
+		return nil, err
+	}
+	if r.FileId == "" {
+		return nil, errors.New("调用接口参数错误")
+	}
+	json, err := json.Marshal(map[string]any{
+		"file_id": r.FileId,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return json, nil
+}
+
+type ImageConvertRequest struct {
+	BaseImageRequest
+	TargetExt string `json:"target_ext"`
+}
+
+func HandleImageConvert(c *echo.Context) ([]byte, error) {
+	r := new(ImageConvertRequest)
+	if err := c.Bind(r); err != nil {
+		return nil, err
+	}
+	if r.FileId == "" {
+		return nil, errors.New("调用接口参数错误")
+	}
+	json, err := json.Marshal(map[string]any{
+		"file_id": r.FileId,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return json, nil
+}

backend/internal/controllers/task/image_compress.go

@@ -1,33 +0,0 @@
-package task
-
-import (
-	"encoding/json"
-	"errors"
-
-	"github.com/labstack/echo/v5"
-)
-
-type GenCompressImageRequest struct {
-	FileId string `json:"file_id"`
-}
-
-func HandleImageCompress(c *echo.Context) ([]byte, error) {
-
-	r := new(GenCompressImageRequest)
-	if err := c.Bind(r); err != nil {
-		return nil, err
-	}
-
-	if r.FileId == "" {
-		return nil, errors.New("调用接口参数错误")
-	}
-
-	json, err := json.Marshal(map[string]any{
-		"file_id": r.FileId,
-	})
-	if err != nil {
-		return nil, err
-	}
-
-	return json, nil
-}