27 lines
564 B
Go
27 lines
564 B
Go
package graph
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import (
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"io"
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"strconv"
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"github.com/99designs/gqlgen/graphql"
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"github.com/google/uuid"
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"github.com/pkg/errors"
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)
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// MarshalUUID converts a UUID to JSON string
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func MarshalUUID(uuid uuid.UUID) graphql.Marshaler {
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return graphql.WriterFunc(func(w io.Writer) {
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w.Write([]byte(strconv.Quote(uuid.String())))
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})
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}
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// UnmarshalUUID converts a String to a UUID
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func UnmarshalUUID(v interface{}) (uuid.UUID, error) {
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if uuidRaw, ok := v.(string); ok {
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return uuid.Parse(uuidRaw)
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}
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return uuid.UUID{}, errors.New("uuid must be a string")
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}
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