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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package cypherx | ||
|
|
||
| import ( | ||
| "reflect" | ||
| "strings" | ||
|
|
||
| "github.com/ettle/strcase" | ||
| ) | ||
|
|
||
| type Mapper struct { | ||
| } | ||
|
|
||
| func (m Mapper) Map(dest interface{}, props map[string]interface{}) error { | ||
| rt := reflect.TypeOf(dest).Elem() | ||
|
|
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| for i := 0; i < rt.NumField(); i++ { | ||
| tf := rt.Field(i) | ||
| tag := tf.Tag.Get("neo4j") | ||
| propName := strings.Split(tag, ",")[0] | ||
| if propName == "" { | ||
| propName = strcase.ToSnake(tf.Name) | ||
| } | ||
|
|
||
| pv, ok := props[propName] | ||
| if !ok { | ||
| continue | ||
| } | ||
|
|
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| vf := reflect.ValueOf(dest).Elem().Field(i) | ||
| if err := m.fillField(vf, pv); err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
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| func (m Mapper) fillField(vf reflect.Value, pv interface{}) error { | ||
| switch vf.Kind() { | ||
| case reflect.String: | ||
| if s, ok := pv.(string); ok { | ||
| vf.SetString(s) | ||
| } | ||
| case reflect.Int: | ||
| if reflect.ValueOf(pv).Kind() == reflect.Int { | ||
| vf.SetInt(reflect.ValueOf(pv).Int()) | ||
| } | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| package cypherx_test | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
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| "github.com/shu-bc/cypherx" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
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| type Person struct { | ||
| Name string `neo4j:"name"` | ||
| Age int | ||
| } | ||
|
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| func TestMap(t *testing.T) { | ||
| m := cypherx.Mapper{} | ||
| props := map[string]interface{}{ | ||
| "name": "test", | ||
| "age": 3, | ||
| } | ||
| p := &Person{} | ||
| err := m.Map(p, props) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| assert.Equal(t, &Person{Name: "test", Age: 3}, p) | ||
| } |