file: add taskqueue worker process image thumbnail

file/internal/logic/generateimageversionslogic.go

@@ -0,0 +1,49 @@
+package logic
+
+import (
+	"context"
+	"time"
+
+	"godemo/file/file"
+	"godemo/file/internal/svc"
+	"godemo/file/worker"
+
+	"github.com/google/uuid"
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type GenerateImageVersionsLogic struct {
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+	logx.Logger
+}
+
+func NewGenerateImageVersionsLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GenerateImageVersionsLogic {
+	return &GenerateImageVersionsLogic{
+		ctx:    ctx,
+		svcCtx: svcCtx,
+		Logger: logx.WithContext(ctx),
+	}
+}
+
+// 异步生成图片版本接口
+func (l *GenerateImageVersionsLogic) GenerateImageVersions(in *file.GenerateImageVersionsRequest) (*file.GenerateImageVersionsResponse, error) {
+	// 1. 验证输入参数
+
+	// 2. 检查文件是否存在
+
+	// 3. 创建任务对象，并提交到任务队列
+	requestID := uuid.New().String()
+	worker.ImageProcessTaskQueue <- worker.ImageProcessTask{
+		FileID:    in.FileId,
+		Versions:  in.Versions,
+		RequestID: requestID,
+		CreatedAt: time.Now(),
+	}
+
+	// 4. 返回响应
+	return &file.GenerateImageVersionsResponse{
+		TaskId:   requestID,
+		Accepted: true,
+	}, nil
+}