generate local .desktop file so it shows among apps in linux desktop environments

README.md

@@ -18,6 +18,7 @@ See other pictures in [screenshot tour](https://github.com/zadam/trilium/wiki/Sc
 * Note [attributes](https://github.com/zadam/trilium/wiki/Attributes) can be used for note organization, querying and advanced [scripting](https://github.com/zadam/trilium/wiki/Scripts)
 * [Synchronization](https://github.com/zadam/trilium/wiki/Synchronization) with self-hosted sync server
 * Strong [note encryption](https://github.com/zadam/trilium/wiki/Protected-notes)
+* [Relation maps](https://github.com/zadam/trilium/wiki/Relation-map) for visualizing notes and their relations
 * [Scripting](https://github.com/zadam/trilium/wiki/Scripts) - see [Advanced showcases](https://github.com/zadam/trilium/wiki/Advanced-showcases)
 * Scales well in both usability and performance upwards of 100 000 notes
 * [Night theme](https://github.com/zadam/trilium/wiki/Themes)
@@ -31,10 +32,6 @@ Trilium is provided as either desktop application ([Electron](https://electronjs
 * If you want to install Trilium on server, follow [this page](https://github.com/zadam/trilium/wiki/Server-installation).
   * Currently only recent Chrome and Firefox are supported (tested) browsers.
 
-## Status
-
-Trilium is beta quality software. While it is reasonably feature complete and is tested by its author, it lacks proper testing by more users. It's not yet recommended for daily use, but testing and experimentation is encouraged.
-
 ## Documentation
 
 [See wiki for complete list of documentation pages.](https://github.com/zadam/trilium/wiki/)

electron.js

@@ -6,6 +6,7 @@ const log = require('./src/services/log');
 const cls = require('./src/services/cls');
 const url = require("url");
 const port = require('./src/services/port');
+const appIconService = require('./src/services/app_icon');
 
 const app = electron.app;
 const globalShortcut = electron.globalShortcut;
@@ -13,6 +14,8 @@ const globalShortcut = electron.globalShortcut;
 // Adds debug features like hotkeys for triggering dev tools and reload
 require('electron-debug')();
 
+appIconService.installLocalAppIcon();
+
 // Prevent window being garbage collected
 let mainWindow;
 

src/services/app_icon.js

@@ -0,0 +1,65 @@
+"use strict";
+
+const path = require('path');
+const {APP_PNG_ICON_DIR} = require("./resource_dir");
+const log = require("./log");
+const os = require('os');
+const fs = require('fs');
+
+const template = `[Desktop Entry]
+Type=Application
+Name=Trilium Notes
+Icon=#APP_PNG_ICON_DIR#/128x128.png
+Exec=#EXE_PATH#
+Categories=Office
+Terminal=false
+`;
+
+/**
+ * Installs .desktop icon into standard ~/.local/share/applications directory.
+ * We overwrite this file during every run as it might have been updated.
+ */
+async function installLocalAppIcon() {
+    if (["win32", "darwin"].includes(os.platform())) {
+        return;
+    }
+
+    const desktopDir = path.resolve(os.homedir(), '.local/share/applications');
+
+    fs.stat(desktopDir, function (err, stats) {
+        if (err) {
+            // Directory doesn't exist so we won't attempt to create the .desktop file
+            return;
+        }
+
+        if (stats.isDirectory()) {
+            const desktopFilePath = path.resolve(desktopDir, "trilium-notes.desktop");
+
+            fs.writeFile(desktopFilePath, getDesktopFileContent(), function (err) {
+                if (err) {
+                   log.error("Desktop icon installation to ~/.local/share/applications failed.");
+                }
+            });
+        }
+    });
+}
+
+function getDesktopFileContent() {
+    return template
+        .replace("#APP_PNG_ICON_DIR#", escapePath(APP_PNG_ICON_DIR))
+        .replace("#EXE_PATH#", escapePath(getExePath()));
+}
+
+function escapePath(path) {
+    return path.replace(" ", "\\ ");
+}
+
+function getExePath() {
+    const appPath = require('electron').app.getAppPath();
+
+    return path.resolve(appPath, 'trilium');
+}
+
+module.exports = {
+    installLocalAppIcon
+};

src/services/resource_dir.js

@@ -5,6 +5,7 @@ const fs = require('fs');
 const RESOURCE_DIR = path.resolve(__dirname, "../..");
 
 const DB_INIT_DIR = path.resolve(RESOURCE_DIR, "db");
+const APP_PNG_ICON_DIR = path.resolve(RESOURCE_DIR, "src/public/images/app-icons/png");
 
 if (!fs.existsSync(DB_INIT_DIR)) {
     log.error("Could not find DB initialization directory: " + DB_INIT_DIR);
@@ -21,5 +22,6 @@ if (!fs.existsSync(MIGRATIONS_DIR)) {
 module.exports = {
     RESOURCE_DIR,
     MIGRATIONS_DIR,
-    DB_INIT_DIR
+    DB_INIT_DIR,
+    APP_PNG_ICON_DIR
 };