1.4.5.2

EdgeAPI/internal/rpc/services/service_file_chunk.go

@@ -0,0 +1,80 @@
+package services
+
+import (
+	"context"
+	"github.com/TeaOSLab/EdgeAPI/internal/db/models"
+	rpcutils "github.com/TeaOSLab/EdgeAPI/internal/rpc/utils"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+)
+
+// FileChunkService 文件片段相关服务
+type FileChunkService struct {
+	BaseService
+}
+
+// CreateFileChunk 创建文件片段
+func (this *FileChunkService) CreateFileChunk(ctx context.Context, req *pb.CreateFileChunkRequest) (*pb.CreateFileChunkResponse, error) {
+	// 校验请求
+	_, userId, err := this.ValidateAdminAndUser(ctx, false)
+	if err != nil {
+		return nil, err
+	}
+
+	var tx = this.NullTx()
+
+	// 检查权限
+	if userId > 0 {
+		err = models.SharedFileDAO.CheckUserFile(tx, userId, req.FileId)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	chunkId, err := models.SharedFileChunkDAO.CreateFileChunk(tx, req.FileId, req.Data)
+	if err != nil {
+		return nil, err
+	}
+	return &pb.CreateFileChunkResponse{FileChunkId: chunkId}, nil
+}
+
+// FindAllFileChunkIds 获取的一个文件的所有片段IDs
+func (this *FileChunkService) FindAllFileChunkIds(ctx context.Context, req *pb.FindAllFileChunkIdsRequest) (*pb.FindAllFileChunkIdsResponse, error) {
+	// 校验请求
+	_, _, err := this.ValidateNodeId(ctx, rpcutils.UserTypeNode, rpcutils.UserTypeDNS, rpcutils.UserTypeAdmin, rpcutils.UserTypeUser)
+	if err != nil {
+		return nil, err
+	}
+
+	var tx = this.NullTx()
+
+	// 校验用户
+	// TODO
+
+	chunkIds, err := models.SharedFileChunkDAO.FindAllFileChunkIds(tx, req.FileId)
+	if err != nil {
+		return nil, err
+	}
+	return &pb.FindAllFileChunkIdsResponse{FileChunkIds: chunkIds}, nil
+}
+
+// DownloadFileChunk 下载文件片段
+func (this *FileChunkService) DownloadFileChunk(ctx context.Context, req *pb.DownloadFileChunkRequest) (*pb.DownloadFileChunkResponse, error) {
+	// 校验请求
+	_, _, err := this.ValidateNodeId(ctx, rpcutils.UserTypeNode, rpcutils.UserTypeDNS, rpcutils.UserTypeAdmin, rpcutils.UserTypeUser)
+	if err != nil {
+		return nil, err
+	}
+
+	// TODO 校验用户
+
+	var tx = this.NullTx()
+
+	chunk, err := models.SharedFileChunkDAO.FindFileChunk(tx, req.FileChunkId)
+	if err != nil {
+		return nil, err
+	}
+	if chunk == nil {
+		return &pb.DownloadFileChunkResponse{FileChunk: nil}, nil
+	}
+	return &pb.DownloadFileChunkResponse{FileChunk: &pb.FileChunk{Data: chunk.Data}}, nil
+}