49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
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// Copyright 2019 Drone IO, Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package converter
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import (
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"context"
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"github.com/drone/drone/core"
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)
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// Combine combines the conversion services, provision support
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// for multiple conversion utilities.
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func Combine(services ...core.ConvertService) core.ConvertService {
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return &combined{services}
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}
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type combined struct {
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sources []core.ConvertService
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}
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func (c *combined) Convert(ctx context.Context, req *core.ConvertArgs) (*core.Config, error) {
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for _, source := range c.sources {
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config, err := source.Convert(ctx, req)
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if err != nil {
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return nil, err
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}
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if config == nil {
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continue
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}
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if config.Data == "" {
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continue
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}
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return config, nil
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}
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return req.Config, nil
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}
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