go: Implement '!batchrole' command

GoBot/discord/config/translate.go

@@ -137,3 +137,6 @@ const VoteSuggestionUsage = "!votesuggest <种类：custom> <内容>\n!votesugge
 const VoteSuggestionUpcomingTitle = "准备中…… Preparing…"
 const VoteSuggestionUpcomingDescription = "正在准备新的投票……\nPreparing for the next vote..."
 const VoteSuggestionUpcomingColour = 0x000000
+
+const BatchRoleUsage = "!batchrole <Discord编号>\n!batchrole <Discord ID>"
+const BatchRoleSuccessMessage = "成功分发角色。 Distributed role successfully."

GoBot/discord/modules/admin.go

@@ -99,3 +99,27 @@ var viewTrustLevel = adminOnly(func(s *discordgo.Session, m *discordgo.MessageCr
 	}
 	msg.Send(s, m.ChannelID)
 })
+
+var batchGiveRole = adminOnly(enforceDM(enforceArgumentCount(
+	config.BatchRoleUsage, 2,
+	func(s *discordgo.Session, m *discordgo.MessageCreate, command []string) {
+		members, err := backend.GetAllMembers(s)
+		if err != nil {
+			message.AuditError(s, m.ChannelID, err)
+			return
+		}
+		for _, member := range members {
+			err := s.GuildMemberRoleAdd(
+				config.GuildID,
+				member.User.ID,
+				command[1],
+			)
+			if err != nil {
+				message.AuditError(s, m.ChannelID, err)
+				return
+			}
+		}
+		message.InitNewEmbed(config.SuccessTitle, config.BatchRoleSuccessMessage, config.SuccessColour).
+			Send(s, m.ChannelID)
+	},
+)))

GoBot/discord/modules/commands.go

@@ -17,6 +17,12 @@ type Command struct {
 
 var Commands = []Command{
 	//Admin Commands
+	Command{
+		Name:    "!batchrole",
+		Handler: batchGiveRole,
+		Usage:   config.BatchRoleUsage,
+		Admin:   true,
+	},
 	Command{
 		Name:    "!editas",
 		Handler: editAs,