finished plugin system base

plugin_src/stickymessages/data.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"github.com/sirupsen/logrus"
+)
+
+func addSticky(guildID string, channelID string, messageContent string, messageID string) {
+	_, err := db.Exec("INSERT INTO sticky (guild_id, channel_id, message_id, message_content) VALUES ($1, $2, $3, $4)", guildID, channelID, messageID, messageContent)
+	if err != nil {
+		logrus.Error(err)
+	}
+
+}
+
+func hasSticky(guildID string, channelID string) bool {
+	var exists bool
+	err := db.QueryRow("SELECT EXISTS (SELECT  1 FROM sticky WHERE guild_id = $1 AND channel_id = $2)", guildID, channelID).Scan(&exists)
+	if err != nil {
+		logrus.Error(err)
+	}
+	return exists
+}
+
+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 {
+			logrus.Error(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 {
+			logrus.Error(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 {
+			logrus.Error(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 {
+		logrus.Error(err)
+	}
+}