Implemented back-end for basic time-based queueing system.

src/utils/media/yanker.js

@@ -0,0 +1,68 @@
+/*Canopy - The next generation of stoner streaming software
+Copyright (C) 2024-2025 Rainbownapkin and the TTN Community
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.*/
+
+//NPM Imports
+const validator = require('validator');//No express here, so regular validator it is!
+
+//local import
+const iaUtil = require('./internetArchiveUtils');
+const media = require('../../app/channel/media/media');
+
+module.exports.yankMedia = async function(url){
+    const pullType = await this.getMediaType(url);
+
+    if(pullType == 'ia'){
+        //Create empty list to hold media objects
+        const mediaList = [];
+        //Pull metadata from IA
+        const mediaInfo = await iaUtil.fetchMetadata(url); 
+
+        //for every compatible and relevant file returned from IA
+        for(let file of mediaInfo.files){
+            //Split file path by directories
+            const path = file.name.split('/');
+            //pull filename from path
+            const name = path[path.length - 1];
+            //Construct link from pulled info
+            const link = `https://archive.org/download/${mediaInfo.metadata.identifier}/${file.name}`;
+
+            //Create new media object from file info
+            mediaList.push(new media(name, name, link, 'ia', Number(file.length)));
+        }
+
+        //return media object list
+        return mediaList;
+    }else{
+        //return null to signify a bad url
+        return null;
+    }
+}
+
+module.exports.getMediaType = async function(url){
+    //Check if we have a valid url
+    if(!validator.isURL(url)){
+        //If not toss the fucker out
+        return null;
+    }
+
+    //If we have link to a resource from archive.org
+    if(url.match(/^https\:\/\/archive.org\//g)){
+        //return internet archive code
+        return "ia";
+    }
+
+    return null;
+}