/
merge.go
97 lines (81 loc) · 2.62 KB
/
merge.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
// Copyright 2024 MongoDB Inc
//
// 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 merge
import (
"fmt"
"github.com/mongodb/openapi/tools/cli/internal/cli/flag"
"github.com/mongodb/openapi/tools/cli/internal/cli/usage"
"github.com/mongodb/openapi/tools/cli/internal/openapi"
"log"
"os"
"github.com/spf13/cobra"
)
const (
DefaultOutputFileName = "FOAS.json"
)
type Opts struct {
Merger openapi.Merger
basePath string
outputPath string
externalPaths []string
}
func (o *Opts) Run(_ []string) error {
federated, err := o.Merger.MergeOpenAPISpecs(o.externalPaths)
if err != nil {
return err
}
federatedBytes, err := federated.Spec.MarshalJSON()
if err != nil {
return err
}
return o.saveFile(federatedBytes)
}
func (o *Opts) PreRunE(_ []string) error {
if o.basePath == "" {
return fmt.Errorf("no base OAS detected. Please, use the flag %s to include the base OAS", flag.Base)
}
if o.externalPaths == nil {
return fmt.Errorf("no external OAS detected. Please, use the flag %s to include at least one OAS", flag.External)
}
m, err := openapi.NewOasDiff(o.basePath)
o.Merger = m
return err
}
func (o *Opts) saveFile(data []byte) error {
if err := os.WriteFile(o.outputPath, data, 0o600); err != nil {
return err
}
log.Printf("\nMerged spec was saved in '%s'.\n\n", o.outputPath)
return nil
}
// Builder builds the merge command with the following signature:
// merge -b base-oas -e external-oas-1 -e external-oas-2
func Builder() *cobra.Command {
opts := &Opts{}
cmd := &cobra.Command{
Use: "merge -b base-spec [-e spec]...",
Short: "Merge Open API specifications into a base spec.",
Args: cobra.NoArgs,
PreRunE: func(_ *cobra.Command, args []string) error {
return opts.PreRunE(args)
},
RunE: func(_ *cobra.Command, args []string) error {
return opts.Run(args)
},
}
cmd.Flags().StringVarP(&opts.basePath, flag.Base, flag.BaseShort, "", usage.Base)
cmd.Flags().StringArrayVarP(&opts.externalPaths, flag.External, flag.ExternalShort, nil, usage.External)
cmd.Flags().StringVarP(&opts.outputPath, flag.Output, flag.OutputShort, DefaultOutputFileName, usage.Output)
return cmd
}