mirror of
https://github.com/diamondburned/arikawa.git
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92 lines
1.7 KiB
Go
92 lines
1.7 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/v3/discord"
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)
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var (
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ChannelRegex = regexp.MustCompile(`<#(\d+)>`)
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UserRegex = regexp.MustCompile(`<@!?(\d+)>`)
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RoleRegex = regexp.MustCompile(`<@&(\d+)>`)
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)
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//
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type ChannelMention discord.ChannelID
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func (m *ChannelMention) Parse(arg string) error {
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return grabFirst(ChannelRegex, "channel mention", arg, (*discord.Snowflake)(m))
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}
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func (m *ChannelMention) Usage() string {
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return "#channel"
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}
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func (m *ChannelMention) ID() discord.ChannelID {
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return discord.ChannelID(*m)
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}
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func (m *ChannelMention) Mention() string {
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return "<#" + m.ID().String() + ">"
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}
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//
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type UserMention discord.UserID
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func (m *UserMention) Parse(arg string) error {
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return grabFirst(UserRegex, "user mention", arg, (*discord.Snowflake)(m))
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}
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func (m *UserMention) Usage() string {
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return "@user"
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}
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func (m *UserMention) ID() discord.UserID {
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return discord.UserID(*m)
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}
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func (m *UserMention) Mention() string {
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return "<@" + m.ID().String() + ">"
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}
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//
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type RoleMention discord.RoleID
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func (m *RoleMention) Parse(arg string) error {
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return grabFirst(RoleRegex, "role mention", arg, (*discord.Snowflake)(m))
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}
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func (m *RoleMention) Usage() string {
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return "@role"
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}
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func (m *RoleMention) ID() discord.RoleID {
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return discord.RoleID(*m)
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}
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func (m *RoleMention) Mention() string {
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return "<@&" + m.ID().String() + ">"
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}
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//
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func grabFirst(reg *regexp.Regexp, item, input string, output *discord.Snowflake) error {
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matches := reg.FindStringSubmatch(input)
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if len(matches) < 2 {
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return errors.New("invalid " + item)
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}
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id, err := discord.ParseSnowflake(matches[1])
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if err != nil {
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return errors.New("invalid " + item)
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}
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*output = id
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return nil
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}
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