Added "add button" command

src/commands/admin/add-btn.js

@@ -0,0 +1,128 @@
+const { containsLink } = require("@root/src/helpers/Utils");
+const { 
+    ApplicationCommandOptionType , 
+    ActionRowBuilder, 
+    ButtonBuilder, 
+    ButtonStyle,
+    ComponentType,
+} = require("discord.js");
+/**
+* @type {import("@structures/Command")}
+*/
+
+module.exports = {
+    name: "add-btn",
+    description: "add a button",
+    cooldown: 0,
+    category: "ADMIN",
+    userPermissions: ["ManageMessages"],
+    command: {
+      enabled: true,
+      aliases: ["addbtn"],
+      usage: "[Message ID] [Button Label] [Button URL]",
+      minArgsCount: 3,
+    },
+    slashCommand: {
+      ephemeral: true,
+      enabled: true,
+      options: [
+        {
+            name: "msgid",
+            description: "Target Message ID (must be of my own)",
+            type: ApplicationCommandOptionType.String,
+            required: true
+        },
+        {
+            name: "label",
+            description: "Button label",
+            type: ApplicationCommandOptionType.String,
+            required: true
+        },
+        {
+            name: "url",
+            description: "URL to be assigned to the button",
+            type: ApplicationCommandOptionType.String,
+            required: true
+        }
+      ],
+    },
+
+    async messageRun(message, args) {
+        const msgID = args[0];
+        const btnLabel = args.slice(1, -1).join(' ');
+        const btnURL = args[args.length - 1];
+
+        const response = await addButtons(message, msgID, btnLabel, btnURL);
+        await message.safeReply(response);
+    },
+    async interactionRun(interaction) {
+        const msgID = interaction.options.getString("msgid");
+        const btnLabel = interaction.options.getString("label");
+        const btnURL = interaction.options.getString("url");
+
+        const response = await addButtons(interaction, msgID, btnLabel, btnURL);
+        await interaction.followUp(response);
+    }    
+}
+
+/**
+ * Function to add button
+ * @param {import("discord.js").Message|import("discord.js").CommandInteraction} context
+ * @param {string} msgID 
+ * @param {string} btnLabel 
+ * @param {string} URL
+ * @returns {Promise<string>}
+ */
+async function addButtons(context, msgID, btnLabel, URL) {
+    // Checking input
+    if(!containsLink(URL)) return "Please Enter a valid URL";
+    if(!isSnowflake(msgID)) return "Provided message ID not a valid ID";
+
+    // Fetching message from channel
+    let msg = await context.channel.messages.fetch(msgID);
+    if (!msg) return "Failed to fetch message!";
+    if(msg.author.id !== context.client.user.id) return "Cannot edit a message authored by another user";
+
+    // Get the existing action rows from the message, if any
+    const oldActionRows = msg.components;
+    if(oldActionRows.length == 5 && oldActionRows[4].components.length == 5) return "Sorry but you've reached the max amount of buttons in single message";
+
+    // Find the last action row, if any, that has less than 5 buttons
+    let lastActionRowWithSpace;
+    for (const actionRow of oldActionRows) {
+        const buttonCount = actionRow.components.filter(component => component.type === ComponentType.Button).length;
+        if (buttonCount < 5) {
+            lastActionRowWithSpace = actionRow;
+            break;
+        }
+    }
+
+    // If there's a suitable action row, add the button to it; otherwise, create a new one
+    const ButtonComponent = new ButtonBuilder()
+        .setLabel(btnLabel)
+        .setStyle(ButtonStyle.Link)
+        .setURL(URL);
+
+    if (lastActionRowWithSpace) {
+        lastActionRowWithSpace.components.push(ButtonComponent);
+    } else {
+        const newActionRow = new ActionRowBuilder().addComponents(ButtonComponent);
+        msg.components.push(newActionRow);
+    }
+
+    // Update the message with the modified action rows
+    await msg.edit({
+        components: msg.components
+    });
+
+    return "Successfully added button";
+}
+
+/**
+ * Check if provided ID is a snowflake
+ * @param {string} snowflake 
+ */
+function isSnowflake(snowflake) {
+    const snowflakeRegex = /^[0-9]{17,19}$/;
+    return snowflakeRegex.test(snowflake);
+}