github.com/maeglindeveloper/gqlgen@v0.13.1-0.20210413081235-57808b12a0a0/codegen/input.gotpl (about)

     1  {{- range $input := .Inputs }}
     2  	{{- if not .HasUnmarshal }}
     3  	func (ec *executionContext) unmarshalInput{{ .Name }}(ctx context.Context, obj interface{}) ({{.Type | ref}}, error) {
     4  		var it {{.Type | ref}}
     5  		var asMap = obj.(map[string]interface{})
     6  		{{ range $field := .Fields}}
     7  			{{- if $field.Default}}
     8  				if _, present := asMap[{{$field.Name|quote}}] ; !present {
     9  					asMap[{{$field.Name|quote}}] = {{ $field.Default | dump }}
    10  				}
    11  			{{- end}}
    12  		{{- end }}
    13  
    14  		for k, v := range asMap {
    15  			switch k {
    16  			{{- range $field := .Fields }}
    17  			case {{$field.Name|quote}}:
    18  				var err error
    19  
    20  				ctx := graphql.WithPathContext(ctx, graphql.NewPathWithField({{$field.Name|quote}}))
    21  				{{- if $field.ImplDirectives }}
    22  					directive0 := func(ctx context.Context) (interface{}, error) { return ec.{{ $field.TypeReference.UnmarshalFunc }}(ctx, v) }
    23  					{{ template "implDirectives" $field }}
    24  					tmp, err := directive{{$field.ImplDirectives|len}}(ctx)
    25  					if err != nil {
    26  						return it, graphql.ErrorOnPath(ctx, err)
    27  					}
    28  					if data, ok := tmp.({{ $field.TypeReference.GO | ref }}) ; ok {
    29  						it.{{$field.GoFieldName}} = data
    30  					{{- if $field.TypeReference.IsNilable }}
    31  						} else if tmp == nil {
    32  							it.{{$field.GoFieldName}} = nil
    33  					{{- end }}
    34  					} else {
    35  						err := fmt.Errorf(`unexpected type %T from directive, should be {{ $field.TypeReference.GO }}`, tmp)
    36  						return it, graphql.ErrorOnPath(ctx, err)
    37  					}
    38  				{{- else }}
    39  					it.{{$field.GoFieldName}}, err = ec.{{ $field.TypeReference.UnmarshalFunc }}(ctx, v)
    40  					if err != nil {
    41  						return it, err
    42  					}
    43  				{{- end }}
    44  			{{- end }}
    45  			}
    46  		}
    47  
    48  		return it, nil
    49  	}
    50  	{{- end }}
    51  {{ end }}