Add FileInfo and get file []byte in plugin api (#9269)

* Add FileInfo and get file []byte in plugin api

* Regenerated plugin mocks

* Rename ReadFileAtPath to ReadFile

app/plugin_api.go

@@ -279,6 +279,14 @@ func (api *PluginAPI) CopyFileInfos(userId string, fileIds []string) ([]string,
 	return api.app.CopyFileInfos(userId, fileIds)
 }
 
+func (api *PluginAPI) GetFileInfo(fileId string) (*model.FileInfo, *model.AppError) {
+	return api.app.GetFileInfo(fileId)
+}
+
+func (api *PluginAPI) ReadFile(path string) ([]byte, *model.AppError) {
+	return api.app.ReadFile(path)
+}
+
 func (api *PluginAPI) KVSet(key string, value []byte) *model.AppError {
 	return api.app.SetPluginKey(api.id, key, value)
 }

plugin/api.go

@@ -163,6 +163,12 @@ type API interface {
 	// actually duplicating the uploaded files.
 	CopyFileInfos(userId string, fileIds []string) ([]string, *model.AppError)
 
+	// GetFileInfo gets a File Info for a specific fileId
+	GetFileInfo(fileId string) (*model.FileInfo, *model.AppError)
+
+	// ReadFileAtPath reads the file from the backend for a specific path
+	ReadFile(path string) ([]byte, *model.AppError)
+
 	// KVSet will store a key-value pair, unique per plugin.
 	KVSet(key string, value []byte) *model.AppError
 

plugin/client_rpc_generated.go

@@ -1850,6 +1850,64 @@ func (s *apiRPCServer) CopyFileInfos(args *Z_CopyFileInfosArgs, returns *Z_CopyF
 	return nil
 }
 
+type Z_GetFileInfoArgs struct {
+	A string
+}
+
+type Z_GetFileInfoReturns struct {
+	A *model.FileInfo
+	B *model.AppError
+}
+
+func (g *apiRPCClient) GetFileInfo(fileId string) (*model.FileInfo, *model.AppError) {
+	_args := &Z_GetFileInfoArgs{fileId}
+	_returns := &Z_GetFileInfoReturns{}
+	if err := g.client.Call("Plugin.GetFileInfo", _args, _returns); err != nil {
+		log.Printf("RPC call to GetFileInfo API failed: %s", err.Error())
+	}
+	return _returns.A, _returns.B
+}
+
+func (s *apiRPCServer) GetFileInfo(args *Z_GetFileInfoArgs, returns *Z_GetFileInfoReturns) error {
+	if hook, ok := s.impl.(interface {
+		GetFileInfo(fileId string) (*model.FileInfo, *model.AppError)
+	}); ok {
+		returns.A, returns.B = hook.GetFileInfo(args.A)
+	} else {
+		return fmt.Errorf("API GetFileInfo called but not implemented.")
+	}
+	return nil
+}
+
+type Z_ReadFileArgs struct {
+	A string
+}
+
+type Z_ReadFileReturns struct {
+	A []byte
+	B *model.AppError
+}
+
+func (g *apiRPCClient) ReadFile(path string) ([]byte, *model.AppError) {
+	_args := &Z_ReadFileArgs{path}
+	_returns := &Z_ReadFileReturns{}
+	if err := g.client.Call("Plugin.ReadFile", _args, _returns); err != nil {
+		log.Printf("RPC call to ReadFile API failed: %s", err.Error())
+	}
+	return _returns.A, _returns.B
+}
+
+func (s *apiRPCServer) ReadFile(args *Z_ReadFileArgs, returns *Z_ReadFileReturns) error {
+	if hook, ok := s.impl.(interface {
+		ReadFile(path string) ([]byte, *model.AppError)
+	}); ok {
+		returns.A, returns.B = hook.ReadFile(args.A)
+	} else {
+		return fmt.Errorf("API ReadFile called but not implemented.")
+	}
+	return nil
+}
+
 type Z_KVSetArgs struct {
 	A string
 	B []byte

plugin/plugintest/api.go

@@ -449,6 +449,31 @@ func (_m *API) GetDirectChannel(userId1 string, userId2 string) (*model.Channel,
 	return r0, r1
 }
 
+// GetFileInfo provides a mock function with given fields: fileId
+func (_m *API) GetFileInfo(fileId string) (*model.FileInfo, *model.AppError) {
+	ret := _m.Called(fileId)
+
+	var r0 *model.FileInfo
+	if rf, ok := ret.Get(0).(func(string) *model.FileInfo); ok {
+		r0 = rf(fileId)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*model.FileInfo)
+		}
+	}
+
+	var r1 *model.AppError
+	if rf, ok := ret.Get(1).(func(string) *model.AppError); ok {
+		r1 = rf(fileId)
+	} else {
+		if ret.Get(1) != nil {
+			r1 = ret.Get(1).(*model.AppError)
+		}
+	}
+
+	return r0, r1
+}
+
 // GetGroupChannel provides a mock function with given fields: userIds
 func (_m *API) GetGroupChannel(userIds []string) (*model.Channel, *model.AppError) {
 	ret := _m.Called(userIds)
@@ -907,6 +932,31 @@ func (_m *API) PublishWebSocketEvent(event string, payload map[string]interface{
 	_m.Called(event, payload, broadcast)
 }
 
+// ReadFile provides a mock function with given fields: path
+func (_m *API) ReadFile(path string) ([]byte, *model.AppError) {
+	ret := _m.Called(path)
+
+	var r0 []byte
+	if rf, ok := ret.Get(0).(func(string) []byte); ok {
+		r0 = rf(path)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).([]byte)
+		}
+	}
+
+	var r1 *model.AppError
+	if rf, ok := ret.Get(1).(func(string) *model.AppError); ok {
+		r1 = rf(path)
+	} else {
+		if ret.Get(1) != nil {
+			r1 = ret.Get(1).(*model.AppError)
+		}
+	}
+
+	return r0, r1
+}
+
 // RegisterCommand provides a mock function with given fields: command
 func (_m *API) RegisterCommand(command *model.Command) error {
 	ret := _m.Called(command)