72 lines
2.0 KiB
Go
72 lines
2.0 KiB
Go
/*
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Copyright 2021 The Dapr Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package command
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"github.com/dapr/components-contrib/bindings"
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)
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var (
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ErrMissingElementInstanceKey = errors.New("elementInstanceKey is a required attribute")
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ErrMissingVariables = errors.New("variables is a required attribute")
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)
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type setVariablesPayload struct {
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ElementInstanceKey *int64 `json:"elementInstanceKey"`
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Local bool `json:"local"`
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Variables interface{} `json:"variables"`
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}
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func (z *ZeebeCommand) setVariables(ctx context.Context, req *bindings.InvokeRequest) (*bindings.InvokeResponse, error) {
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var payload setVariablesPayload
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err := json.Unmarshal(req.Data, &payload)
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if err != nil {
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return nil, err
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}
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if payload.ElementInstanceKey == nil {
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return nil, ErrMissingElementInstanceKey
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}
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if payload.Variables == nil {
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return nil, ErrMissingVariables
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}
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cmd, err := z.client.NewSetVariablesCommand().
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ElementInstanceKey(*payload.ElementInstanceKey).
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VariablesFromObject(payload.Variables)
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if err != nil {
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return nil, err
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}
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response, err := cmd.Local(payload.Local).Send(ctx)
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if err != nil {
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return nil, fmt.Errorf("cannot set variables for element instance key %d: %w", payload.ElementInstanceKey, err)
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}
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jsonResponse, err := json.Marshal(response)
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if err != nil {
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return nil, fmt.Errorf("cannot marshal response to json: %w", err)
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}
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return &bindings.InvokeResponse{
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Data: jsonResponse,
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}, nil
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}
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