feat: 完成了 file list 右键简单菜单

feat: 完成了 file 下载
todo: 桶右键菜单和删除桶

internal/handler/dialog.go

@@ -5,6 +5,8 @@ import (
 	"github.com/loveuer/nf-disk/ndh"
 	"github.com/samber/lo"
 	"github.com/wailsapp/wails/v2/pkg/runtime"
+	"os"
+	"path/filepath"
 )
 
 func DialogOpen(ctx context.Context) ndh.Handler {
@@ -54,3 +56,58 @@ func DialogOpen(ctx context.Context) ndh.Handler {
 		return c.Send200(map[string]interface{}{"result": result})
 	}
 }
+
+func DialogSave(ctx context.Context) ndh.Handler {
+	return func(c *ndh.Ctx) error {
+		type Req struct {
+			Title            string   `json:"title"`
+			Filters          []string `json:"filters"`
+			DefaultDirectory string   `json:"default_directory"`
+			DefaultFilename  string   `json:"default_filename"`
+		}
+
+		var (
+			err error
+			req = new(Req)
+			opt = runtime.SaveDialogOptions{
+				Title: "将文件保存到",
+			}
+			result any
+		)
+
+		if err = c.ReqParse(req); err != nil {
+			return c.Send400(err.Error())
+		}
+
+		if req.Title != "" {
+			opt.Title = req.Title
+		}
+
+		if req.DefaultFilename != "" {
+			opt.DefaultFilename = req.DefaultFilename
+		}
+
+		if req.DefaultDirectory != "" {
+			opt.DefaultDirectory = req.DefaultDirectory
+		}
+
+		if opt.DefaultDirectory == "" {
+			var home string
+			if home, err = os.UserHomeDir(); err != nil {
+				opt.DefaultDirectory = filepath.Join(home, "Downloads")
+			}
+		}
+
+		if len(req.Filters) > 0 {
+			opt.Filters = lo.Map(req.Filters, func(item string, index int) runtime.FileFilter {
+				return runtime.FileFilter{Pattern: item}
+			})
+		}
+
+		if result, err = runtime.SaveFileDialog(ctx, opt); err != nil {
+			return c.Send500(err.Error())
+		}
+
+		return c.Send200(map[string]interface{}{"result": result})
+	}
+}

internal/handler/file.go

@@ -86,3 +86,100 @@ func FileUpload(c *ndh.Ctx) error {
 
 	return c.Send200(req)
 }
+
+func FileInfo(c *ndh.Ctx) error {
+	type Req struct {
+		ConnId uint64 `json:"conn_id"`
+		Bucket string `json:"bucket"`
+		Key    string `json:"key"`
+	}
+
+	var (
+		err    error
+		req    = new(Req)
+		client *s3.Client
+		info   *s3.ObjectInfo
+	)
+
+	if err = c.ReqParse(req); err != nil {
+		return c.Send400(err.Error())
+	}
+
+	if _, client, err = manager.Manager.Use(req.ConnId); err != nil {
+		return c.Send500(err.Error())
+	}
+
+	if info, err = client.GetObjectInfo(c.Context(), req.Bucket, req.Key); err != nil {
+		return c.Send500(err.Error())
+	}
+
+	return c.Send200(info)
+}
+
+func FileGet(c *ndh.Ctx) error {
+	type Req struct {
+		ConnId uint64 `json:"conn_id"`
+		Bucket string `json:"bucket"`
+		Key    string `json:"key"`
+	}
+
+	var (
+		err    error
+		req    = new(Req)
+		client *s3.Client
+		link   *s3.ObjectEntry
+	)
+
+	if err = c.ReqParse(req); err != nil {
+		return c.Send400(err.Error())
+	}
+
+	if _, client, err = manager.Manager.Use(req.ConnId); err != nil {
+		return c.Send500(err.Error())
+	}
+
+	if link, err = client.GetObjectEntry(c.Context(), req.Bucket, req.Key); err != nil {
+		return c.Send500(err.Error())
+	}
+
+	return c.Send200(link)
+}
+
+func FileDownload(c *ndh.Ctx) error {
+	type Req struct {
+		ConnId   uint64 `json:"conn_id"`
+		Bucket   string `json:"bucket"`
+		Key      string `json:"key"`
+		Location string `json:"location"`
+	}
+
+	var (
+		err    error
+		req    = new(Req)
+		client *s3.Client
+		obj    *s3.ObjectEntity
+		target *os.File
+	)
+
+	if err = c.ReqParse(req); err != nil {
+		return c.Send400(err.Error())
+	}
+
+	if _, client, err = manager.Manager.Use(req.ConnId); err != nil {
+		return c.Send500(err.Error())
+	}
+
+	if obj, err = client.GetObject(c.Context(), req.Bucket, req.Key); err != nil {
+		return c.Send500(err.Error())
+	}
+
+	if target, err = os.OpenFile(filepath.Clean(req.Location), os.O_CREATE|os.O_RDWR|os.O_TRUNC, 0644); err != nil {
+		return c.Send500(err.Error())
+	}
+
+	if _, err = io.Copy(target, obj.Body); err != nil {
+		return c.Send500(err.Error())
+	}
+
+	return c.Send200(req)
+}