feat(backend): add image compression endpoints for generating and retrieving compressed images

backend/internal/controllers/image.go

@@ -0,0 +1,74 @@
+package controllers
+
+import (
+	"backend/internal/models"
+	"backend/internal/utils"
+	"backend/middleware"
+	"encoding/json"
+	"errors"
+
+	"github.com/hibiken/asynq"
+	"github.com/labstack/echo/v4"
+)
+
+type GenCompressImageRequest struct {
+	FileId string `json:"file_id"`
+}
+
+func GenCompressImage(c echo.Context) error {
+	cc := c.(*middleware.CustomContext)
+	r := new(GenCompressImageRequest)
+	if err := cc.Bind(r); err != nil {
+		return utils.HTTPErrorHandler(c, err)
+	}
+
+	if r.FileId == "" {
+		return utils.HTTPErrorHandler(c, errors.New("调用接口参数错误"))
+	}
+	client := utils.GetQueueClient()
+	json, err := json.Marshal(map[string]any{
+		"file_id": r.FileId,
+	})
+	if err != nil {
+		return utils.HTTPErrorHandler(c, err)
+	}
+	info, err := client.Enqueue(asynq.NewTask("image:compress", json))
+	if err != nil {
+		return utils.HTTPErrorHandler(c, err)
+	}
+
+	return utils.HTTPSuccessHandler(c, map[string]any{
+		"id": info.ID,
+	})
+}
+
+func GetCompressImage(c echo.Context) error {
+	cc := c.(*middleware.CustomContext)
+	taskId := cc.Param("id")
+	if taskId == "" {
+		return utils.HTTPErrorHandler(c, errors.New("调用接口参数错误"))
+	}
+
+	taskInfo, err := models.GetRedisTaskInfo(taskId)
+	if err != nil {
+		return utils.HTTPErrorHandler(c, err)
+	}
+	if taskInfo == nil {
+		client := utils.GetQueueInspector()
+
+		queneTaskInfo, err := client.GetTaskInfo("default", taskId)
+		if err != nil {
+			return utils.HTTPErrorHandler(c, errors.New("任务已过期"))
+		}
+		if queneTaskInfo != nil {
+			return utils.HTTPSuccessHandler(c, map[string]any{
+				"status": "processing",
+				"state":  queneTaskInfo.State,
+			})
+		}
+	}
+	return utils.HTTPSuccessHandler(c, map[string]any{
+		"status": "success",
+		"data":   taskInfo,
+	})
+}

backend/main.go

@@ -35,5 +35,8 @@ func main() {
 	e.GET("/download", controllers.DownloadShare)
 	e.POST("/download", controllers.VaildateShare)
 
+	e.POST("/image/compress", controllers.GenCompressImage)
+	e.GET("/image/compress/:id", controllers.GetCompressImage)
+
 	e.Logger.Fatal(e.Start(":1323"))
 }