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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| // Copyright 2021 Nitric Pty Ltd. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package grpc | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| pb "github.com/nitric-dev/membrane/interfaces/nitric/v1" | ||
| "github.com/nitric-dev/membrane/sdk" | ||
| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/status" | ||
| "google.golang.org/protobuf/types/known/structpb" | ||
| ) | ||
|
|
||
| // GRPC Interface for registered Nitric Document Plugin | ||
| type DocumentServer struct { | ||
| pb.UnimplementedDocumentServer | ||
| // TODO: Support multiple plugin registrations | ||
| // Just need to settle on a way of addressing them on calls | ||
| documentPlugin sdk.DocumentService | ||
| } | ||
|
|
||
| func (s *DocumentServer) checkPluginRegistered() (bool, error) { | ||
| if s.documentPlugin == nil { | ||
| return false, status.Errorf(codes.Unimplemented, "Document plugin not registered") | ||
| } | ||
|
|
||
| return true, nil | ||
| } | ||
|
|
||
| func (s *DocumentServer) Set(ctx context.Context, req *pb.DocSetRequest) (*pb.DocSetResponse, error) { | ||
| if ok, err := s.checkPluginRegistered(); ok { | ||
| key := toSdkKey(req.Key) | ||
| subKey := toSdkKey(req.SubKey) | ||
|
|
||
| if err := s.documentPlugin.Set(*key, subKey, req.GetValue().AsMap()); err == nil { | ||
| return &pb.DocSetResponse{}, nil | ||
| } else { | ||
| // Case: Failed to create the key | ||
| // TODO: Translate from internal Document Service Error | ||
| return nil, err | ||
| } | ||
| } else { | ||
| // Case: Plugin was not registered | ||
| return nil, err | ||
| } | ||
| } | ||
|
|
||
| func (s *DocumentServer) Get(ctx context.Context, req *pb.DocGetRequest) (*pb.DocGetResponse, error) { | ||
| if ok, err := s.checkPluginRegistered(); ok { | ||
| key := toSdkKey(req.Key) | ||
| subKey := toSdkKey(req.SubKey) | ||
|
|
||
| if val, err := s.documentPlugin.Get(*key, subKey); err == nil { | ||
| if valStruct, err := structpb.NewStruct(val); err == nil { | ||
| return &pb.DocGetResponse{ | ||
| Value: valStruct, | ||
| }, nil | ||
| } else { | ||
| // Case: Failed to create PB struct from stored value | ||
| // TODO: Translate from internal Document Plugin Error | ||
| return nil, err | ||
| } | ||
| } else { | ||
| // Case: There was an error retrieving the keyvalue | ||
| // TODO: Translate from internal Document Plugin Error | ||
| return nil, err | ||
| } | ||
| } else { | ||
| // Case: The Document plugin was not registered | ||
| // TODO: Translate from internal Document Plugin Error | ||
| return nil, err | ||
| } | ||
| } | ||
|
|
||
| func (s *DocumentServer) Delete(ctx context.Context, req *pb.DocDeleteRequest) (*pb.DocDeleteResponse, error) { | ||
| if ok, err := s.checkPluginRegistered(); ok { | ||
| key := toSdkKey(req.Key) | ||
| subKey := toSdkKey(req.SubKey) | ||
|
|
||
| if err := s.documentPlugin.Delete(*key, subKey); err == nil { | ||
| return &pb.DocDeleteResponse{}, nil | ||
| } else { | ||
| // Case: Failed to create the keyvalue | ||
| // TODO: Translate from internal Document Plugin Error | ||
| return nil, err | ||
| } | ||
| } else { | ||
| // Case: Plugin was not registered | ||
| return nil, err | ||
| } | ||
| } | ||
|
|
||
| func (s *DocumentServer) Query(ctx context.Context, req *pb.DocQueryRequest) (*pb.DocQueryResponse, error) { | ||
| if ok, err := s.checkPluginRegistered(); ok { | ||
| key := toSdkKey(req.Key) | ||
| subcoll := req.GetSubCollection() | ||
| expressions := make([]sdk.QueryExpression, len(req.GetExpressions())) | ||
| for i, exp := range req.GetExpressions() { | ||
| expressions[i] = sdk.QueryExpression{ | ||
| Operand: exp.GetOperand(), | ||
| Operator: exp.GetOperator(), | ||
| Value: exp.GetValue(), | ||
| } | ||
| } | ||
| limit := int(req.GetLimit()) | ||
| pagingMap := req.GetPagingToken() | ||
|
|
||
| if qr, err := s.documentPlugin.Query(*key, subcoll, expressions, limit, pagingMap); err == nil { | ||
|
|
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| valStructs := make([]*structpb.Struct, len(qr.Data)) | ||
| for i, valMap := range qr.Data { | ||
| if valStruct, err := structpb.NewStruct(valMap); err == nil { | ||
| valStructs[i] = valStruct | ||
|
|
||
| } else { | ||
| // Case: Failed to create PB struct from stored value | ||
| // TODO: Translate from internal Document Plugin Error | ||
| return nil, err | ||
| } | ||
| } | ||
|
|
||
| return &pb.DocQueryResponse{ | ||
| Values: valStructs, | ||
| PagingToken: qr.PagingToken, | ||
| }, nil | ||
|
|
||
| } else { | ||
| // Case: Failed to create the keyvalue | ||
| // TODO: Translate from internal Document Plugin Error | ||
| return nil, err | ||
| } | ||
|
|
||
| } else { | ||
| // Case: Plugin was not registered | ||
| return nil, err | ||
| } | ||
| } | ||
|
|
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| func NewDocumentServer(docPlugin sdk.DocumentService) pb.DocumentServer { | ||
| return &DocumentServer{ | ||
| documentPlugin: docPlugin, | ||
| } | ||
| } | ||
|
|
||
| func toSdkKey(key *pb.Key) *sdk.Key { | ||
| if key != nil { | ||
| return &sdk.Key{ | ||
| Collection: key.GetCollection(), | ||
| Id: key.GetId(), | ||
| } | ||
| } | ||
| return nil | ||
| } |
Submodule contracts
updated
from 626788 to 8532f4
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