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58 lines
1.3 KiB
58 lines
1.3 KiB
package story
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import (
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"fmt"
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"io"
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)
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// TagKind represents the kind of tags.
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type TagKind string
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const (
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// TagKindOrganization is a tag kind, see GraphQL documentation.
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TagKindOrganization TagKind = "Organization"
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// TagKindCharacter is a tag kind, see GraphQL documentation.
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TagKindCharacter TagKind = "Character"
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// TagKindLocation is a tag kind, see GraphQL documentation.
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TagKindLocation TagKind = "Location"
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// TagKindEvent is a tag kind, see GraphQL documentation.
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TagKindEvent TagKind = "Event"
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// TagKindSeries is a tag kind, see GraphQL documentation.
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TagKindSeries TagKind = "Series"
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)
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// IsValid returns true if the TagKind is one of the constants
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func (e TagKind) IsValid() bool {
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switch e {
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case TagKindOrganization, TagKindCharacter, TagKindLocation, TagKindEvent, TagKindSeries:
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return true
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}
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return false
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}
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func (e TagKind) String() string {
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return string(e)
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}
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// UnmarshalGQL unmarshals
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func (e *TagKind) UnmarshalGQL(v interface{}) error {
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str, ok := v.(string)
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if !ok {
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return fmt.Errorf("enums must be strings")
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}
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*e = TagKind(str)
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if !e.IsValid() {
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return fmt.Errorf("%s is not a valid TagKind", str)
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}
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return nil
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}
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// MarshalGQL turns it into a JSON string
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func (e TagKind) MarshalGQL(w io.Writer) {
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fmt.Fprint(w, "\""+e.String(), "\"")
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}
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