80 lines
1.1 KiB
Go
80 lines
1.1 KiB
Go
package arguments
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import (
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"errors"
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"regexp"
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"github.com/diamondburned/arikawa/api/rate"
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)
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var (
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EmojiRegex = regexp.MustCompile(`<(a?):(.+?):(\d+)>`)
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ErrInvalidEmoji = errors.New("Invalid emoji")
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)
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type Emoji struct {
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ID string
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Custom bool
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Name string
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Animated bool
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}
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func (e Emoji) APIString() string {
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if !e.Custom {
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return e.ID
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}
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return e.Name + ":" + e.ID
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}
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func (e Emoji) String() string {
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if !e.Custom {
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return e.ID
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}
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if e.Animated {
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return "<a:" + e.Name + ":" + e.ID + ">"
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} else {
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return "<:" + e.Name + ":" + e.ID + ">"
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}
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}
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func (e Emoji) URL() string {
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if !e.Custom {
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return ""
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}
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base := "https://cdn.discordapp.com/emojis/" + e.ID
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if e.Animated {
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return base + ".gif"
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} else {
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return base + ".png"
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}
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}
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func (e *Emoji) Parse(arg string) error {
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// Check if Unicode emoji
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if rate.StringIsEmojiOnly(arg) {
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e.ID = arg
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e.Custom = false
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return nil
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}
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var matches = EmojiRegex.FindStringSubmatch(arg)
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if len(matches) != 4 {
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return ErrInvalidEmoji
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}
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e.Custom = true
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e.Animated = matches[1] == "a"
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e.Name = matches[2]
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e.ID = matches[3]
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return nil
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}
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