135 lines
3.2 KiB
Go
135 lines
3.2 KiB
Go
package client
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import (
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"context"
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"net/url"
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"github.com/keegancsmith/rpc"
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"github.com/pkg/errors"
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"gitlab.com/wpetit/goweb/logger"
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"forge.cadoles.com/arcad/edge/pkg/storage"
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"forge.cadoles.com/arcad/edge/pkg/storage/driver/rpc/server/document"
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"forge.cadoles.com/arcad/edge/pkg/storage/filter"
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)
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type DocumentStore struct {
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serverURL *url.URL
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}
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// Delete implements storage.DocumentStore.
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func (s *DocumentStore) Delete(ctx context.Context, collection string, id storage.DocumentID) error {
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args := document.DeleteDocumentArgs{
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Collection: collection,
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DocumentID: id,
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}
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reply := document.DeleteDocumentReply{}
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if err := s.call(ctx, "Service.DeleteDocument", args, &reply); err != nil {
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return errors.WithStack(err)
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}
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return nil
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}
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// Get implements storage.DocumentStore.
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func (s *DocumentStore) Get(ctx context.Context, collection string, id storage.DocumentID) (storage.Document, error) {
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args := document.GetDocumentArgs{
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Collection: collection,
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DocumentID: id,
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}
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reply := document.GetDocumentReply{}
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if err := s.call(ctx, "Service.GetDocument", args, &reply); err != nil {
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return nil, errors.WithStack(err)
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}
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return reply.Document, nil
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}
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// Query implements storage.DocumentStore.
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func (s *DocumentStore) Query(ctx context.Context, collection string, filter *filter.Filter, funcs ...storage.QueryOptionFunc) ([]storage.Document, error) {
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opts := &storage.QueryOptions{}
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for _, fn := range funcs {
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fn(opts)
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}
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args := document.QueryDocumentsArgs{
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Collection: collection,
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Filter: nil,
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Options: opts,
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}
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if filter != nil {
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args.Filter = filter.AsMap()
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}
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reply := document.QueryDocumentsReply{
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Documents: []storage.Document{},
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}
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if err := s.call(ctx, "Service.QueryDocuments", args, &reply); err != nil {
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return nil, errors.WithStack(err)
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}
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return reply.Documents, nil
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}
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// Upsert implements storage.DocumentStore.
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func (s *DocumentStore) Upsert(ctx context.Context, collection string, doc storage.Document) (storage.Document, error) {
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args := document.UpsertDocumentArgs{
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Collection: collection,
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Document: doc,
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}
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reply := document.UpsertDocumentReply{}
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if err := s.call(ctx, "Service.UpsertDocument", args, &reply); err != nil {
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return nil, errors.WithStack(err)
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}
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return reply.Document, nil
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}
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func (s *DocumentStore) call(ctx context.Context, serviceMethod string, args any, reply any) error {
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err := s.withClient(ctx, func(ctx context.Context, client *rpc.Client) error {
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if err := client.Call(ctx, serviceMethod, args, reply); err != nil {
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return errors.WithStack(err)
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}
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return nil
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})
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if err != nil {
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return errors.WithStack(err)
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}
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return nil
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}
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func (s *DocumentStore) withClient(ctx context.Context, fn func(ctx context.Context, client *rpc.Client) error) error {
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client, err := rpc.DialHTTPPath("tcp", s.serverURL.Host, s.serverURL.Path+"?"+s.serverURL.RawQuery)
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if err != nil {
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return errors.WithStack(err)
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}
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defer func() {
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if err := client.Close(); err != nil {
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logger.Error(ctx, "could not close rpc client", logger.CapturedE(errors.WithStack(err)))
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}
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}()
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if err := fn(ctx, client); err != nil {
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return errors.WithStack(err)
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}
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return nil
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}
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func NewDocumentStore(url *url.URL) *DocumentStore {
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return &DocumentStore{url}
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}
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var _ storage.DocumentStore = &DocumentStore{}
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