1 package configx
2
3 import (
4 "github.com/knadh/koanf/maps"
5 "github.com/pkg/errors"
6
7 "github.com/ory/jsonschema/v3"
8 "github.com/ory/x/jsonschemax"
9 )
10
11 type KoanfSchemaDefaults struct {
12 c *jsonschema.Compiler
13 uri string
14 }
15
16 func NewKoanfSchemaDefaults(schema []byte) (*KoanfSchemaDefaults, error) {
17 id, c, err := newCompiler(schema)
18 if err != nil {
19 return nil, err
20 }
21 return &KoanfSchemaDefaults{c: c, uri: id}, nil
22 }
23
24 func (k *KoanfSchemaDefaults) ReadBytes() ([]byte, error) {
25 return nil, errors.New("schema defaults provider does not support this method")
26 }
27
28 func (k *KoanfSchemaDefaults) Read() (map[string]interface{}, error) {
29 keys, err := jsonschemax.ListPaths(k.uri, k.c)
30 if err != nil {
31 return nil, err
32 }
33
34 values := map[string]interface{}{}
35 for _, key := range keys {
36 if key.Default != nil {
37 values[key.Name] = key.Default
38 }
39 }
40
41 return maps.Unflatten(values, "."), nil
42 }
43
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