DownloadAttachment

go.mod

@@ -3,7 +3,7 @@ module g.arns.lt/zordsdavini/arns-lt-tree-push-service
 go 1.19
 
 require (
-	g.arns.lt/zordsdavini/zord-tree v0.2.6
+	g.arns.lt/zordsdavini/zord-tree v0.2.7
 	google.golang.org/grpc v1.48.0
 	google.golang.org/protobuf v1.28.1
 )

go.sum

@@ -2,8 +2,8 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 g.arns.lt/zordsdavini/abcex v1.0.0 h1:qQqlZ4DMfethCGK4I6yGaLqMrTzKNIshqpINd1l3t0E=
 g.arns.lt/zordsdavini/abcex v1.0.0/go.mod h1:YRcJgts3XZwI+LEkngpfUab3DkUAW387Irpr43hIym8=
-g.arns.lt/zordsdavini/zord-tree v0.2.6 h1:utUtk7OTjhWC4Fltnzcn/QB7Kpc0yW9IBuyaYRhi+as=
+g.arns.lt/zordsdavini/zord-tree v0.2.7 h1:h19O+VmzaXA9E68XWIDTF4VIU4I1TnTd8TPigRCljLQ=
-g.arns.lt/zordsdavini/zord-tree v0.2.6/go.mod h1:HG++MTNUD8oQHrkTdVnClm0q82lGumASn4GWJtWQApY=
+g.arns.lt/zordsdavini/zord-tree v0.2.7/go.mod h1:HG++MTNUD8oQHrkTdVnClm0q82lGumASn4GWJtWQApY=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=

server.go

@@ -2,10 +2,13 @@ package main
 
 import (
 	"context"
+	"fmt"
 	"google.golang.org/grpc"
+	"io"
 	"log"
 	"net"
 	"os"
+	"path"
 	"path/filepath"
 
 	zordTree "g.arns.lt/zordsdavini/zord-tree"
@@ -79,6 +82,33 @@ func (TreeManagerServer *server) RebuildTree(ctx context.Context, in *TreeSecret
 	return &response, nil
 }
 
+func (TreeManagerServer *server) DownloadAttachment(in *AttachmentRequest, responseStream TreeManager_DownloadAttachmentServer) error {
+	file, err := os.Open(path.Clean(fmt.Sprintf("%s/%s/%s", dest, "__a", in.Path)))
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	bufferSize := 64 * 1024
+	buff := make([]byte, bufferSize)
+	for {
+		bytesRead, err := file.Read(buff)
+		if err != nil {
+			if err != io.EOF {
+				log.Println("Error during downloadingAttachment: ", err)
+			}
+			break
+		}
+		resp := &AttachmentResponse{Chunk: buff[:bytesRead]}
+
+		err = responseStream.Send(resp)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 func removeContents(dir string) error {
 	d, err := os.Open(dir)
 	if err != nil {

tree.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.28.0
+// 	protoc-gen-go v1.30.0
-// 	protoc        v3.21.4
+// 	protoc        v3.21.12
 // source: tree.proto
 
 package main
@@ -461,6 +461,100 @@ func (x *FileContent) GetContent() string {
 	return ""
 }
 
+type AttachmentRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Path string `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
+}
+
+func (x *AttachmentRequest) Reset() {
+	*x = AttachmentRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_tree_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AttachmentRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AttachmentRequest) ProtoMessage() {}
+
+func (x *AttachmentRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_tree_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AttachmentRequest.ProtoReflect.Descriptor instead.
+func (*AttachmentRequest) Descriptor() ([]byte, []int) {
+	return file_tree_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *AttachmentRequest) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+type AttachmentResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Chunk []byte `protobuf:"bytes,1,opt,name=chunk,proto3" json:"chunk,omitempty"`
+}
+
+func (x *AttachmentResponse) Reset() {
+	*x = AttachmentResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_tree_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AttachmentResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AttachmentResponse) ProtoMessage() {}
+
+func (x *AttachmentResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_tree_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AttachmentResponse.ProtoReflect.Descriptor instead.
+func (*AttachmentResponse) Descriptor() ([]byte, []int) {
+	return file_tree_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *AttachmentResponse) GetChunk() []byte {
+	if x != nil {
+		return x.Chunk
+	}
+	return nil
+}
+
 type TreeRequest_Filter struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -473,7 +567,7 @@ type TreeRequest_Filter struct {
 func (x *TreeRequest_Filter) Reset() {
 	*x = TreeRequest_Filter{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_tree_proto_msgTypes[7]
+		mi := &file_tree_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -486,7 +580,7 @@ func (x *TreeRequest_Filter) String() string {
 func (*TreeRequest_Filter) ProtoMessage() {}
 
 func (x *TreeRequest_Filter) ProtoReflect() protoreflect.Message {
-	mi := &file_tree_proto_msgTypes[7]
+	mi := &file_tree_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -576,19 +670,29 @@ var file_tree_proto_rawDesc = []byte{
 	0x04, 0x66, 0x69, 0x6c, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0e, 0x2e, 0x6d, 0x61,
 	0x69, 0x6e, 0x2e, 0x54, 0x72, 0x65, 0x65, 0x46, 0x69, 0x6c, 0x65, 0x52, 0x04, 0x66, 0x69, 0x6c,
 	0x65, 0x12, 0x18, 0x0a, 0x07, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x18, 0x02, 0x20, 0x01,
-	0x28, 0x09, 0x52, 0x07, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x32, 0xa9, 0x01, 0x0a, 0x0b,
+	0x28, 0x09, 0x52, 0x07, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x22, 0x27, 0x0a, 0x11, 0x41,
-	0x54, 0x72, 0x65, 0x65, 0x4d, 0x61, 0x6e, 0x61, 0x67, 0x65, 0x72, 0x12, 0x2d, 0x0a, 0x0a, 0x47,
+	0x74, 0x74, 0x61, 0x63, 0x68, 0x6d, 0x65, 0x6e, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
-	0x65, 0x74, 0x53, 0x75, 0x6d, 0x6d, 0x65, 0x72, 0x79, 0x12, 0x11, 0x2e, 0x6d, 0x61, 0x69, 0x6e,
+	0x12, 0x12, 0x0a, 0x04, 0x70, 0x61, 0x74, 0x68, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04,
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+	0x70, 0x61, 0x74, 0x68, 0x22, 0x2a, 0x0a, 0x12, 0x41, 0x74, 0x74, 0x61, 0x63, 0x68, 0x6d, 0x65,
-	0x61, 0x69, 0x6e, 0x2e, 0x54, 0x72, 0x65, 0x65, 0x22, 0x00, 0x12, 0x31, 0x0a, 0x07, 0x47, 0x65,
+	0x6e, 0x74, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x14, 0x0a, 0x05, 0x63, 0x68,
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+	0x75, 0x6e, 0x6b, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x05, 0x63, 0x68, 0x75, 0x6e, 0x6b,
-	0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x11, 0x2e, 0x6d, 0x61, 0x69, 0x6e, 0x2e,
+	0x32, 0xf6, 0x01, 0x0a, 0x0b, 0x54, 0x72, 0x65, 0x65, 0x4d, 0x61, 0x6e, 0x61, 0x67, 0x65, 0x72,
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+	0x6e, 0x74, 0x12, 0x17, 0x2e, 0x6d, 0x61, 0x69, 0x6e, 0x2e, 0x41, 0x74, 0x74, 0x61, 0x63, 0x68,
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+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -603,7 +707,7 @@ func file_tree_proto_rawDescGZIP() []byte {
 	return file_tree_proto_rawDescData
 }
 
-var file_tree_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
+var file_tree_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
 var file_tree_proto_goTypes = []interface{}{
 	(*TreeSecret)(nil),         // 0: main.TreeSecret
 	(*RebuildResponse)(nil),    // 1: main.RebuildResponse
@@ -612,25 +716,29 @@ var file_tree_proto_goTypes = []interface{}{
 	(*TreeFile)(nil),           // 4: main.TreeFile
 	(*Tree)(nil),               // 5: main.Tree
 	(*FileContent)(nil),        // 6: main.FileContent
-	(*TreeRequest_Filter)(nil), // 7: main.TreeRequest.Filter
+	(*AttachmentRequest)(nil),  // 7: main.AttachmentRequest
-	nil,                        // 8: main.Tree.TagsEntry
+	(*AttachmentResponse)(nil), // 8: main.AttachmentResponse
-	nil,                        // 9: main.Tree.CategoriesEntry
+	(*TreeRequest_Filter)(nil), // 9: main.TreeRequest.Filter
+	nil,                        // 10: main.Tree.TagsEntry
+	nil,                        // 11: main.Tree.CategoriesEntry
 }
 var file_tree_proto_depIdxs = []int32{
-	7, // 0: main.TreeRequest.filter:type_name -> main.TreeRequest.Filter
+	9,  // 0: main.TreeRequest.filter:type_name -> main.TreeRequest.Filter
 	4,  // 1: main.Tree.files:type_name -> main.TreeFile
 	4,  // 2: main.Tree.rootFiles:type_name -> main.TreeFile
-	8, // 3: main.Tree.tags:type_name -> main.Tree.TagsEntry
+	10, // 3: main.Tree.tags:type_name -> main.Tree.TagsEntry
-	9, // 4: main.Tree.categories:type_name -> main.Tree.CategoriesEntry
+	11, // 4: main.Tree.categories:type_name -> main.Tree.CategoriesEntry
 	4,  // 5: main.FileContent.file:type_name -> main.TreeFile
 	3,  // 6: main.TreeManager.GetSummery:input_type -> main.TreeRequest
 	2,  // 7: main.TreeManager.GetFile:input_type -> main.FileRequest
 	0,  // 8: main.TreeManager.RebuildTree:input_type -> main.TreeSecret
-	5, // 9: main.TreeManager.GetSummery:output_type -> main.Tree
+	7,  // 9: main.TreeManager.DownloadAttachment:input_type -> main.AttachmentRequest
-	6, // 10: main.TreeManager.GetFile:output_type -> main.FileContent
+	5,  // 10: main.TreeManager.GetSummery:output_type -> main.Tree
-	1, // 11: main.TreeManager.RebuildTree:output_type -> main.RebuildResponse
+	6,  // 11: main.TreeManager.GetFile:output_type -> main.FileContent
-	9, // [9:12] is the sub-list for method output_type
+	1,  // 12: main.TreeManager.RebuildTree:output_type -> main.RebuildResponse
-	6, // [6:9] is the sub-list for method input_type
+	8,  // 13: main.TreeManager.DownloadAttachment:output_type -> main.AttachmentResponse
+	10, // [10:14] is the sub-list for method output_type
+	6,  // [6:10] is the sub-list for method input_type
 	6,  // [6:6] is the sub-list for extension type_name
 	6,  // [6:6] is the sub-list for extension extendee
 	0,  // [0:6] is the sub-list for field type_name
@@ -727,6 +835,30 @@ func file_tree_proto_init() {
 			}
 		}
 		file_tree_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AttachmentRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_tree_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AttachmentResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_tree_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*TreeRequest_Filter); i {
 			case 0:
 				return &v.state
@@ -746,7 +878,7 @@ func file_tree_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_tree_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   10,
+			NumMessages:   12,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

tree.proto

@@ -11,6 +11,7 @@ service TreeManager {
   rpc GetSummery(TreeRequest) returns (Tree) {}
   rpc GetFile(FileRequest) returns (FileContent) {}
   rpc RebuildTree(TreeSecret) returns (RebuildResponse) {}
+  rpc DownloadAttachment(AttachmentRequest) returns (stream AttachmentResponse) {}
 }
 
 message TreeSecret {
@@ -59,3 +60,11 @@ message FileContent {
   TreeFile file = 1;
   string content = 2;
 }
+
+message AttachmentRequest {
+  string path = 1;
+}
+
+message AttachmentResponse {
+  bytes chunk = 1;
+}

tree_grpc.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.2.0
-// - protoc             v3.21.4
+// - protoc             v3.21.12
 // source: tree.proto
 
 package main
@@ -25,6 +25,7 @@ type TreeManagerClient interface {
 	GetSummery(ctx context.Context, in *TreeRequest, opts ...grpc.CallOption) (*Tree, error)
 	GetFile(ctx context.Context, in *FileRequest, opts ...grpc.CallOption) (*FileContent, error)
 	RebuildTree(ctx context.Context, in *TreeSecret, opts ...grpc.CallOption) (*RebuildResponse, error)
+	DownloadAttachment(ctx context.Context, in *AttachmentRequest, opts ...grpc.CallOption) (TreeManager_DownloadAttachmentClient, error)
 }
 
 type treeManagerClient struct {
@@ -62,6 +63,38 @@ func (c *treeManagerClient) RebuildTree(ctx context.Context, in *TreeSecret, opt
 	return out, nil
 }
 
+func (c *treeManagerClient) DownloadAttachment(ctx context.Context, in *AttachmentRequest, opts ...grpc.CallOption) (TreeManager_DownloadAttachmentClient, error) {
+	stream, err := c.cc.NewStream(ctx, &TreeManager_ServiceDesc.Streams[0], "/main.TreeManager/DownloadAttachment", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &treeManagerDownloadAttachmentClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type TreeManager_DownloadAttachmentClient interface {
+	Recv() (*AttachmentResponse, error)
+	grpc.ClientStream
+}
+
+type treeManagerDownloadAttachmentClient struct {
+	grpc.ClientStream
+}
+
+func (x *treeManagerDownloadAttachmentClient) Recv() (*AttachmentResponse, error) {
+	m := new(AttachmentResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 // TreeManagerServer is the server API for TreeManager service.
 // All implementations must embed UnimplementedTreeManagerServer
 // for forward compatibility
@@ -69,6 +102,7 @@ type TreeManagerServer interface {
 	GetSummery(context.Context, *TreeRequest) (*Tree, error)
 	GetFile(context.Context, *FileRequest) (*FileContent, error)
 	RebuildTree(context.Context, *TreeSecret) (*RebuildResponse, error)
+	DownloadAttachment(*AttachmentRequest, TreeManager_DownloadAttachmentServer) error
 	mustEmbedUnimplementedTreeManagerServer()
 }
 
@@ -85,6 +119,9 @@ func (UnimplementedTreeManagerServer) GetFile(context.Context, *FileRequest) (*F
 func (UnimplementedTreeManagerServer) RebuildTree(context.Context, *TreeSecret) (*RebuildResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method RebuildTree not implemented")
 }
+func (UnimplementedTreeManagerServer) DownloadAttachment(*AttachmentRequest, TreeManager_DownloadAttachmentServer) error {
+	return status.Errorf(codes.Unimplemented, "method DownloadAttachment not implemented")
+}
 func (UnimplementedTreeManagerServer) mustEmbedUnimplementedTreeManagerServer() {}
 
 // UnsafeTreeManagerServer may be embedded to opt out of forward compatibility for this service.
@@ -152,6 +189,27 @@ func _TreeManager_RebuildTree_Handler(srv interface{}, ctx context.Context, dec
 	return interceptor(ctx, in, info, handler)
 }
 
+func _TreeManager_DownloadAttachment_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(AttachmentRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(TreeManagerServer).DownloadAttachment(m, &treeManagerDownloadAttachmentServer{stream})
+}
+
+type TreeManager_DownloadAttachmentServer interface {
+	Send(*AttachmentResponse) error
+	grpc.ServerStream
+}
+
+type treeManagerDownloadAttachmentServer struct {
+	grpc.ServerStream
+}
+
+func (x *treeManagerDownloadAttachmentServer) Send(m *AttachmentResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
 // TreeManager_ServiceDesc is the grpc.ServiceDesc for TreeManager service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -172,6 +230,12 @@ var TreeManager_ServiceDesc = grpc.ServiceDesc{
 			Handler:    _TreeManager_RebuildTree_Handler,
 		},
 	},
-	Streams:  []grpc.StreamDesc{},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "DownloadAttachment",
+			Handler:       _TreeManager_DownloadAttachment_Handler,
+			ServerStreams: true,
+		},
+	},
 	Metadata: "tree.proto",
 }