mirror of
https://github.com/diamondburned/arikawa.git
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63 lines
1.3 KiB
Go
63 lines
1.3 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/discord"
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)
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// (empty) so it matches standard links
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// | OR
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// canary. matches canary MessageURL
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// 3 `(\d+)` for guild ID, channel ID and message ID
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var Regex = regexp.MustCompile(
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`https://(|ptb\.|canary\.)discordapp\.com/channels/(\d+)/(\d+)/(\d+)`,
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)
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// MessageURL contains info from a MessageURL
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type MessageURL struct {
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GuildID discord.Snowflake
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ChannelID discord.Snowflake
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MessageID discord.Snowflake
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}
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func (url *MessageURL) Parse(arg string) error {
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u := ParseMessageURL(arg)
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if u == nil {
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return errors.New("Invalid MessageURL format.")
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}
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*url = *u
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return nil
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}
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func (url *MessageURL) Usage() string {
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return "https\u200b://discordapp.com/channels/\\*/\\*/\\*"
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}
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// ParseMessageURL parses the MessageURL into a smartlink
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func ParseMessageURL(url string) *MessageURL {
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ss := Regex.FindAllStringSubmatch(url, -1)
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if ss == nil {
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return nil
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}
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if len(ss) == 0 || len(ss[0]) != 5 {
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return nil
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}
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gID, err1 := discord.ParseSnowflake(ss[0][2])
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cID, err2 := discord.ParseSnowflake(ss[0][3])
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mID, err3 := discord.ParseSnowflake(ss[0][4])
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if err1 != nil || err2 != nil || err3 != nil {
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return nil
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}
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return &MessageURL{
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GuildID: gID,
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ChannelID: cID,
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MessageID: mID,
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}
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}
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