Tidy code up

rem.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"strings"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+func commandRem(s *discordgo.Session, m *discordgo.MessageCreate) {
+	// Parameters should contains the channel name and the username
+	parameters := strings.Fields(m.Content)
+	if len(parameters) < 2 {
+		s.ChannelMessageSend(m.ChannelID, "Please specify the channel name and the username")
+		return
+	}
+
+	username := strings.TrimPrefix(m.Content, parameters[0]+" "+parameters[1]+" ")
+
+	category := searchChannel(s, m.GuildID, "Personalizzato", "")
+
+	if category == nil {
+		s.ChannelMessageSend(m.ChannelID, "Unable to delete channel, category not found")
+	}
+
+	channel := searchChannel(s, m.GuildID, parameters[1], category.ID)
+	if channel == nil {
+		s.ChannelMessageSend(m.ChannelID, "Channel "+parameters[1]+" not found, unable to remove permission")
+		return
+	}
+
+	user := searchUser(s, m.GuildID, username)
+	if user == nil {
+		s.ChannelMessageSend(m.ChannelID, "User "+username+" not found")
+		return
+	}
+
+	if len(channel.PermissionOverwrites) == 0 {
+		s.ChannelMessageSend(m.ChannelID, "You cannot change permissions of a public channel")
+		return
+	}
+
+	// Check if the user has got permissions
+	authorized := false
+	for _, role := range channel.PermissionOverwrites {
+		if role.ID == m.Author.ID && role.Allow&0x00000010 == 0x00000010 {
+			authorized = true
+		}
+	}
+
+	if authorized {
+		s.ChannelPermissionDelete(channel.ID, user.ID)
+		s.ChannelMessageSend(m.ChannelID, "User "+username+" cannot join "+parameters[1]+" anymore")
+	} else {
+		s.ChannelMessageSend(m.ChannelID, "You don't have the permission to revoke the authorization of an user to join "+parameters[1])
+	}
+}