GNG Download File Selector (Download WIP)

updater/src/index.html

@@ -16,6 +16,14 @@
     <p>Input Directory</p>
     <input type="text" id="dirBox" name="name" size="80">
     <progress id="progressbar" max="100" value="0"></progress>
+
+
+    <button id="update">Check for update</button>
+
+    <select name="Dropme Down" id="gng"></select>
+    <button id="getFiles">Get Files</button>
+    <select name="Dropme Down #2" id="files"></select>
+
     <script src="./renderer.js"></script>
   </body>
-</html>
+</html>

updater/src/renderer.js

@@ -1,5 +1,5 @@
 const { ipcRenderer, dialog } = require('electron');
-var DecompressZip = require('decompress-zip');
+const superagent = require('superagent').agent();
 
 ipcRenderer.on("download complete", (event, file) => {
     console.log(file); // Full file path
@@ -32,12 +32,98 @@ ipcRenderer.on("filepath", (event, file) => {
     document.getElementById('dirBox').innerText = file;
 });
 
-let extractBtn = document.getElementById('extract');
-extractBtn.addEventListener('click', () => {
-    let directoryPath = document.getElementById('dirBox');
-    let urlPath = document.getElementById('urlBox');
-    ipcRenderer.send("extract", {
-        url: urlPath.value,
-        properties: { directory: directoryPath.value }
-    });
-});
+
+// Check update
+let dropDownGNG = document.getElementById('gng');
+let dropDownFiles = document.getElementById('files');
+
+let updateBtn = document.getElementById('update');
+updateBtn.addEventListener('click', (e) => {
+    removeFileItems();
+    getUpdates();
+});
+
+// Remove all files when changing Region --> WIP no nicht
+const removeFileItems = async() => {
+    var i, L = dropDownFiles.options.length - 1;
+    for (i = L; i >= 0; i--) {
+        dropDownFiles.remove(i);
+    }
+}
+
+const getUpdates = async() => {
+
+    // Get all GNG Options
+    let courses = await superagent.get('https://files.aero-nav.com/');
+    let text = courses.text.split("Download Pages").pop();
+    let liste = "";
+    for (var i = 0; i < text.length; i++) {
+        if (text[i] === ">" && text[i - 1] === "b" && text[i - 2] === "<") {
+            let i2 = i + 1;
+            while (text[i2] !== "<") {
+                liste += text[i2];
+                i2++;
+            }
+            liste += "\n";
+        }
+    }
+    const listeArray = liste.split("\n");
+
+    // Add to html selector
+    listeArray.pop();
+    listeArray.forEach(optionsAdd);
+
+    // Add Elements to Drop Down
+    function optionsAdd(item) {
+        var option = document.createElement("option");
+        option.text = item;
+        dropDownGNG.add(option);
+    }
+}
+
+// Check Files
+let getFilesBtn = document.getElementById('getFiles');
+getFilesBtn.addEventListener('click', (e) => {
+    getFiles();
+});
+
+const getFiles = async() => {
+    removeFileItems();
+    // Get all GNG Package Options
+    let region = "https://files.aero-nav.com/" + dropDownGNG.options[dropDownGNG.selectedIndex].text;
+    let courses = await superagent.get(region);
+    let text = courses.text.split("Released</th><th colspan='2'>Download</th></tr>").pop();
+    text = text.split("<h1>AIRAC <small>News</small></h1>")[0]
+    console.log(text);
+    let rows = "";
+    for (var i = 0; i < text.length; i++) {
+        if (text[i] + text[i + 1] + text[i + 2] + text[i + 3] === "<td>") {
+            let i2 = i + 4;
+            while (text[i2] + text[i2 + 1] + text[i2 + 2] + text[i2 + 3] + text[i2 + 4] !== "</td>") {
+                rows += text[i2];
+                i2++;
+            }
+            rows += "\n";
+        }
+    }
+    // console.log(rows); // For debugging only
+
+    // All Rows in Table
+    const listeArray = rows.split("\n");
+    listeArray.pop();
+    let fileNames = "";
+    // Select only Package names
+    for (var i = 1; i < listeArray.length; i = i + 5) {
+        fileNames += listeArray[i] + "\n";
+    }
+    const fileNamesArray = fileNames.split("\n");
+    fileNamesArray.pop();
+    fileNamesArray.forEach(optionsAdd);
+
+    // Add Elements to Drop Down
+    function optionsAdd(item) {
+        var option = document.createElement("option");
+        option.text = item;
+        dropDownFiles.add(option);
+    }
+}