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63 lines
1.7 KiB
63 lines
1.7 KiB
package models
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import (
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"fmt"
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"io"
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"strconv"
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)
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// ChangeModel describes a model related to the change.
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type ChangeModel string
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const (
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// ChangeModelCharacter is a value of ChangeModel
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ChangeModelCharacter ChangeModel = "Character"
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// ChangeModelChannel is a value of ChangeModel
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ChangeModelChannel ChangeModel = "Channel"
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// ChangeModelLog is a value of ChangeModel
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ChangeModelLog ChangeModel = "Log"
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// ChangeModelPost is a value of ChangeModel
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ChangeModelPost ChangeModel = "Post"
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// ChangeModelStory is a value of ChangeModel
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ChangeModelStory ChangeModel = "Story"
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// ChangeModelTag is a value of ChangeModel
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ChangeModelTag ChangeModel = "Tag"
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// ChangeModelChapter is a value of ChangeModel
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ChangeModelChapter ChangeModel = "Chapter"
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// ChangeModelComment is a value of ChangeModel
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ChangeModelComment ChangeModel = "Comment"
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// ChangeModelFile is a value of ChangeModel
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ChangeModelFile ChangeModel = "File"
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)
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// IsValid returns true if the underlying string is one of the correct values.
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func (e ChangeModel) IsValid() bool {
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switch e {
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case ChangeModelCharacter, ChangeModelChannel, ChangeModelLog, ChangeModelPost, ChangeModelStory, ChangeModelTag, ChangeModelChapter, ChangeModelComment:
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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 ChangeModel) String() string {
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return string(e)
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}
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// UnmarshalGQL unmarshals the underlying graphql value.
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func (e *ChangeModel) 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 = ChangeModel(str)
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if !e.IsValid() {
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return fmt.Errorf("%s is not a valid ChangeModel", str)
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}
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return nil
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}
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// MarshalGQL marshals the underlying graphql value.
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func (e ChangeModel) MarshalGQL(w io.Writer) {
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fmt.Fprint(w, strconv.Quote(e.String()))
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}
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