Set embed to the average color of the album cover on fm command (#168)

And do not set a color in misc/fm.js when there already is one set.

commands/misc/fm.js

@@ -87,11 +87,13 @@ module.exports = {
         if(sendText.embed != null){
             let parse = parseMention(message.author.id, message.guild)
             let user = message.guild.members.cache.get(parse);
+            if(!sendText.embed.data.color){
                 let roleColor = 15788778;
                 if (user.roles.color) {
                     roleColor = user.roles.color.color;
                 }
                 sendText.embed.setColor(roleColor);
+            }
 		    message.channel.send({embeds :[sendText.embed]})
         }else{
             message.channel.send(sendText.text.replaceAll("<prefix>", prefix));

util/lastfm/getCurrentScrobble.js

@@ -2,6 +2,11 @@ const getNickname = require("../getNickname");
 const parseMention = require("../parseMention");
 const getFmUsername = require("./getFmUsername");
 const {EmbedBuilder} = require('discord.js');
+const path = require('path');
+const fs = require('fs');
+const { writeFile } = require('node:fs/promises')
+const executeCommand = require('../executeCommand');
+const { Readable } = require('node:stream')
 
 require("dotenv").config();
 module.exports = async function (userID, guild) {
@@ -58,10 +63,22 @@ module.exports = async function (userID, guild) {
             sendText.text = tracks.errorMsg;
             return sendText;
         }
+        let coverDir = path.resolve(process.cwd(), 'data', 'covers');
+        let color = "#C27D0E"
+        const directory = path.resolve(coverDir, Math.floor(new Date).toString())
+        fs.mkdirSync(directory, {recursive: true})
+        const coverFile = path.resolve(directory, "cover")
+        let downloadResult = await downloadImage(tracks[0].cover, coverFile);
+        if(downloadResult.value === ERROR_CODES.SUCCESS){
+            const commandArgs = [`${coverFile}.${downloadResult.ext}`, "-resize", "1x1", "txt:-"]         
+            let res = executeCommand("magick", commandArgs);
+            if(!res.error) color = res.output.split("\n")[1].split(" ")[3];
+            
+        }
         const embed = new EmbedBuilder()
         .setAuthor({name: `Now playing - ${nickname}`, iconURL: user.user.avatarURL({ dynamic: true, size: 4096 })})
         .setThumbnail(tracks[0].cover)
-            .setColor(15780145)
+        .setColor(color)
         .addFields({
             name: `${isCurrentScrobble}:`, value: `${tracks[0].song}\n **${tracks[0].artist} • ** ${tracks[0].album}`
         },)
@@ -71,8 +88,31 @@ module.exports = async function (userID, guild) {
             },)
         }
         sendText.embed = embed;
+        fs.rmSync(`${directory}`, {recursive: true})
     } else {
         sendText.text = "You haven't set your last.fm username yet. Use `<prefix>fm set <lastfm_username>` to set it.";
     }
     return sendText;
 }
+const ERROR_CODES = {
+    SUCCESS: 0,
+    HTTP_ERROR: 1,
+    NOT_IMAGE: 2,
+    FETCH_ERROR: 3
+}
+async function downloadImage(url, downloadPath) { 
+    let res;
+    try {
+        res = await fetch(url);
+    } catch (error) {
+        return {value: ERROR_CODES.FETCH_ERROR, errorMessage: error.cause?.message || error.message};
+    }
+    if(!res.ok) return {value: ERROR_CODES.HTTP_ERROR, errorMessage: res.status.toString()};
+    const contentType = res.headers.get('content-type');
+    
+    if(!contentType || !contentType.startsWith("image")) return {value: ERROR_CODES.NOT_IMAGE, errorMessage: contentType || "No content-type header"};
+    const fileExt = contentType.split("/")[1]
+    const stream = Readable.fromWeb(res.body)
+    await writeFile(`${downloadPath}.${fileExt}`, stream);
+    return {value: ERROR_CODES.SUCCESS, errorMessage: "", ext: fileExt};
+}