added sticky messages

cmd_sticky.go

@@ -11,8 +11,22 @@ var sticky_command Command = Command{
 		Name:                     "sticky",
 		Description:              "Stick messages to the bottom of the current channel",
 		DefaultMemberPermissions: int64Ptr(discordgo.PermissionManageMessages),
+		Options: []*discordgo.ApplicationCommandOption{
+			{
+				Type:        discordgo.ApplicationCommandOptionSubCommand,
+				Name:        "add",
+				Description: "Stick messages to the bottom of the current channel",
+			},
+			{
+				Type:        discordgo.ApplicationCommandOptionSubCommand,
+				Name:        "remove",
+				Description: "Remove the sticky message of the current channel",
+			},
+		},
 	},
 	Interact: func(s *discordgo.Session, i *discordgo.InteractionCreate) {
+		switch i.ApplicationCommandData().Options[0].Name {
+		case "add":
 			s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
 				Type: discordgo.InteractionResponseModal,
 				Data: &discordgo.InteractionResponseData{
@@ -35,11 +49,37 @@ var sticky_command Command = Command{
 					},
 				},
 			})
+		case "remove":
+			if hasSticky(i.GuildID, i.ChannelID) {
+				s.ChannelMessageDelete(i.ChannelID, getStickyMessageID(i.GuildID, i.ChannelID))
+				removeSticky(i.GuildID, i.ChannelID)
+				s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+					Type: discordgo.InteractionResponseChannelMessageWithSource,
+					Data: &discordgo.InteractionResponseData{
+						Content: "The sticky message was removed from this channel!",
+						Flags:   discordgo.MessageFlagsEphemeral,
+					},
+				})
+			} else {
+				s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+					Type: discordgo.InteractionResponseChannelMessageWithSource,
+					Data: &discordgo.InteractionResponseData{
+						Content: "This channel has no sticky message!",
+						Flags:   discordgo.MessageFlagsEphemeral,
+					},
+				})
+			}
+		}
 	},
 	ModalID: "sticky_modal",
 	ModalSubmit: func(s *discordgo.Session, i *discordgo.InteractionCreate) {
 		text := i.ModalSubmitData().Components[0].(*discordgo.ActionsRow).Components[0].(*discordgo.TextInput).Value
-		message, err := s.ChannelMessageSend(i.ChannelID, text)
+		message, err := s.ChannelMessageSendEmbed(i.ChannelID, &discordgo.MessageEmbed{
+			Type:        discordgo.EmbedTypeArticle,
+			Title:       ":pushpin: Sticky message",
+			Color:       hexToDecimal(color["primary"]),
+			Description: text,
+		})
 		if err != nil {
 			log.Println(err)
 		}

handle_messages.go

@@ -1,13 +1,20 @@
 package main
 
 import (
-	"fmt"
-
 	"github.com/bwmarrin/discordgo"
 )
 
 func messageCreate(s *discordgo.Session, m *discordgo.MessageCreate) {
 	if m.Author.ID != s.State.User.ID {
-		fmt.Print(m.Content)
+		if hasSticky(m.GuildID, m.ChannelID) {
+			s.ChannelMessageDelete(m.ChannelID, getStickyMessageID(m.GuildID, m.ChannelID))
+			stickyMessage, _ := s.ChannelMessageSendEmbed(m.ChannelID, &discordgo.MessageEmbed{
+				Type:        discordgo.EmbedTypeArticle,
+				Title:       ":pushpin: Sticky message",
+				Color:       hexToDecimal(color["primary"]),
+				Description: getStickyMessageContent(m.GuildID, m.ChannelID),
+			})
+			updateStickyMessageID(m.GuildID, m.ChannelID, stickyMessage.ID)
+		}
 	}
 }

manage_data.go

@@ -122,6 +122,42 @@ func hasSticky(guildID string, channelID string) bool {
 	return exists
 }
 
-func updateStickyMessageID(guildID string, channelID string, messageID string) {
+func getStickyMessageID(guildID string, channelID string) string {
-
+	var messageID string
+	exists := hasSticky(guildID, channelID)
+	if exists {
+		err := db.QueryRow("SELECT message_id FROM sticky WHERE guild_id = $1 AND channel_id = $2", guildID, channelID).Scan(&messageID)
+		if err != nil {
+			log.Println(err)
+		}
+	}
+	return messageID
+}
+func getStickyMessageContent(guildID string, channelID string) string {
+	var messageID string
+	exists := hasSticky(guildID, channelID)
+	if exists {
+		err := db.QueryRow("SELECT message_content FROM sticky WHERE guild_id = $1 AND channel_id = $2", guildID, channelID).Scan(&messageID)
+		if err != nil {
+			log.Println(err)
+		}
+	}
+	return messageID
+}
+
+func updateStickyMessageID(guildID string, channelID string, messageID string) {
+	exists := hasSticky(guildID, channelID)
+	if exists {
+		_, err := db.Exec("UPDATE sticky SET message_id = $1 WHERE guild_id = $2 AND channel_id = $3", messageID, guildID, channelID)
+		if err != nil {
+			log.Println(err)
+		}
+	}
+}
+
+func removeSticky(guildID string, channelID string) {
+	_, err := db.Exec("DELETE FROM sticky WHERE guild_id = $1 AND channel_id = $2", guildID, channelID)
+	if err != nil {
+		log.Println(err)
+	}
 }

register_commands.go

@@ -15,7 +15,7 @@ type Command struct {
 	ModalID      string
 }
 
-var commands []Command = []Command{tag_command, short_get_tag_command, dadjoke_command, ping_command, sticky_command, ask_command}
+var commands []Command = []Command{tag_command, short_get_tag_command, dadjoke_command, ping_command, ask_command, sticky_command}
 
 func ready(s *discordgo.Session, event *discordgo.Ready) {
 	for _, guild := range event.Guilds {