user-friendly wallpaper; some fixes

.config/ags/services/todo.js

@@ -32,24 +32,26 @@ class TodoService extends Service {
         return this._todoJson;
     }
 
-    add(content) {
-        this._todoJson.push({ content, done: false });
+    _save() {
         Utils.writeFile(JSON.stringify(this._todoJson), this._todoPath)
             .catch(print);
+    }
+
+    add(content) {
+        this._todoJson.push({ content, done: false });
+        this._save();
         this.emit('updated');
     }
 
     check(index) {
         this._todoJson[index].done = true;
-        Utils.writeFile(JSON.stringify(this._todoJson), this._todoPath)
-            .catch(print);
+        this._save();
         this.emit('updated');
     }
 
     uncheck(index) {
         this._todoJson[index].done = false;
-        Utils.writeFile(JSON.stringify(this._todoJson), this._todoPath)
-            .catch(print);
+        this._save();
         this.emit('updated');
     }
 

.config/ags/services/wallpaper.js

@@ -0,0 +1,70 @@
+const { Gio, GLib } = imports.gi;
+import Service from 'resource:///com/github/Aylur/ags/service.js';
+import * as Utils from 'resource:///com/github/Aylur/ags/utils.js';
+const { exec, execAsync } = Utils;
+
+const clamp = (num, min, max) => Math.min(Math.max(num, min), max);
+function fileExists(filePath) {
+    let file = Gio.File.new_for_path(filePath);
+    return file.query_exists(null);
+}
+
+class WallpaperService extends Service {
+    static {
+        Service.register(
+            this,
+            { 'updated': [], },
+        );
+    }
+
+    _wallPath = '';
+    _wallJson = [];
+
+    _save() {
+        Utils.writeFile(JSON.stringify(this._wallJson), this._wallPath)
+            .catch(print);
+    }
+
+    add(path) {
+        this._wallJson.push(path);
+        this._save();
+        this.emit('updated');
+    }
+
+    set(path, monitor = -1) {
+        if(this._wallJson.length == 0) this._wallJson.push("");
+        if (monitor == -1)
+            this._wallJson.fill(path);
+        else
+            this._wallJson[monitor] = path;
+
+        this._save();
+        this.emit('updated');
+    }
+
+    get(monitor = 0) {
+        return this._wallJson[monitor];
+    }
+
+    constructor() {
+        super();
+        this._wallPath = `${GLib.get_user_cache_dir()}/ags/user/wallpaper.json`;
+        if (!fileExists(this._wallPath)) { // No? create file with empty array
+            Utils.exec(`bash -c 'mkdir -p ${GLib.get_user_cache_dir()}/ags/user'`);
+            Utils.exec(`touch ${this._wallPath}`);
+            Utils.writeFile('[]', this._wallPath).then(() => {
+                this._wallJson = JSON.parse(Utils.readFile(this._wallPath))
+            }).catch(print);
+        }
+        else {
+            const fileContents = Utils.readFile(this._wallPath);
+            this._wallJson = JSON.parse(fileContents);
+        }
+    }
+}
+
+// instance
+const service = new WallpaperService();
+// make it global for easy use with cli
+globalThis['wallpaper'] = service;
+export default service;