Fix problem if content-type isn't provided by server

This is better because then I won't have a bunch of directories with
random numbers directly in the data/ directory.
Which makes it easier to clean up whenever something fails and the
cleanup isn't done.

commands/misc/tdoss.js

@@ -10,9 +10,10 @@ module.exports = {
     description: 'Combine picture with tdoss album cover template',
     async execute({ message, args }) {
 
-        let dataDir = path.resolve(__dirname, '..', '..', 'data');
+        let tdossDir = path.resolve(process.cwd, 'data', 'tdoss');
-        const directory = path.resolve(dataDir, Math.floor(new Date).toString())
+
-        fs.mkdirSync(directory)
+        const directory = path.resolve(tdossDir, Math.floor(new Date).toString())
+        fs.mkdirSync(directory, {recursive: true})
         
         let url = "";
         if(message.attachments.size > 0){
@@ -58,7 +59,7 @@ module.exports = {
         }
 
 
-        const command = `magick ${dataDir}/tdoss_template.png \\( ${directory}/input.png -resize 800x800^ -gravity center -extent 1000x1000 \\) -compose dst-over -composite ${directory}/tdoss_result.png`;
+        const command = `magick ${tdossDir}/tdoss_template.png \\( ${directory}/input.png -resize 800x800^ -gravity center -extent 1000x1000 \\) -compose dst-over -composite ${directory}/tdoss_result.png`;
         if (this.executeCommand(command).error === true) {
             message.channel.send("Something went wrong during image manipulation.\nTry again and if it keeps happening, contact the owner of the bot.")
             fs.rmSync(`${directory}`, {recursive: true})
@@ -96,7 +97,8 @@ module.exports = {
             return {value: 3, errorMessage: error.cause.message};
         }
         if(!res.ok) return {value: 1, errorMessage: res.status.toString()};
-        if(!res.headers.get('content-type').startsWith("image")) return {value: 2, errorMessage: ""};
+        const contentType = res.headers.get('content-type');
+        if(!contentType || !contentType.startsWith("image")) return {value: 2, errorMessage: contentType || "No content-type header"};
         const stream = Readable.fromWeb(res.body)
         await writeFile(path, stream);
         return {value: 0, errorMessage: ""};