Save and restore elapsed time on sessions

package.json

@@ -175,6 +175,11 @@
                         "default": true,
                         "description": "Should elapsed time be shown?"
                     },
+                    "vscord.status.RestoreElapsedTime": {
+                        "type": "boolean",
+                        "default": true,
+                        "description": "Should elapsed time be saved and restored on different sessions?"
+                    },
                     "vscord.status.resetElapsedTimePerFile": {
                         "type": "boolean",
                         "default": false,

src/activity.ts

@@ -20,6 +20,8 @@ import {
     type TextDocument
 } from "vscode";
 
+import { sessionStart, previousTotal } from "./extension"
+
 export enum CURRENT_STATUS {
     IDLE = "idle",
     NOT_IN_FILE = "notInFile",
@@ -98,11 +100,23 @@ export const activity = async (
 
     if (isIdling && !config.get(CONFIG_KEYS.Status.Idle.Enabled)) return {};
 
-    if (config.get(CONFIG_KEYS.Status.ShowElapsedTime)) {
-        presence.startTimestamp = config.get(CONFIG_KEYS.Status.ResetElapsedTimePerFile)
-            ? Date.now()
-            : (previous.startTimestamp ?? Date.now());
-    } else {
+    if( config.get( CONFIG_KEYS.Status.ShowElapsedTime ) )
+    {
+        if( config.get( CONFIG_KEYS.Status.RestoreElapsedTime ) )
+        {
+            presence.startTimestamp = sessionStart - previousTotal;
+        }
+        else if( config.get( CONFIG_KEYS.Status.ResetElapsedTimePerFile ) || !previous.startTimestamp )
+        {
+            presence.startTimestamp = Date.now();
+        }
+        else
+        {
+            presence.startTimestamp = previous.startTimestamp;
+        }
+    }
+    else
+    {
         delete presence.startTimestamp;
     }
 

src/config.ts

@@ -97,6 +97,7 @@ export interface ExtensionConfigurationType {
     "status.idle.resetElapsedTime": boolean;
     "status.idle.timeout": number;
     "status.showElapsedTime": boolean;
+    "status.RestoreElapsedTime": boolean;
     "status.resetElapsedTimePerFile": boolean;
     "ignore.workspaces": Array<string>;
     "ignore.workspacesText": string | Record<string, string>;
@@ -267,19 +268,19 @@ export type WorkspaceConfigurationWithType<Configuration extends Record<string,
      * @param section Configuration name, supports _dotted_ names.
      * @param value The new value.
      * @param configurationTarget The {@link ConfigurationTarget configuration target} or a boolean value.
-     *	- If `true` updates {@link ConfigurationTarget.Global Global settings}.
-     *	- If `false` updates {@link ConfigurationTarget.Workspace Workspace settings}.
-     *	- If `undefined` or `null` updates to {@link ConfigurationTarget.WorkspaceFolder Workspace folder settings} if configuration is resource specific,
-     * 	otherwise to {@link ConfigurationTarget.Workspace Workspace settings}.
+     *  - If `true` updates {@link ConfigurationTarget.Global Global settings}.
+     *  - If `false` updates {@link ConfigurationTarget.Workspace Workspace settings}.
+     *  - If `undefined` or `null` updates to {@link ConfigurationTarget.WorkspaceFolder Workspace folder settings} if configuration is resource specific,
+     *  otherwise to {@link ConfigurationTarget.Workspace Workspace settings}.
      * @param overrideInLanguage Whether to update the value in the scope of requested languageId or not.
-     *	- If `true` updates the value under the requested languageId.
-     *	- If `undefined` updates the value under the requested languageId only if the configuration is defined for the language.
+     *  - If `true` updates the value under the requested languageId.
+     *  - If `undefined` updates the value under the requested languageId only if the configuration is defined for the language.
      * @throws error while updating
-     *	- configuration which is not registered.
-     *	- window configuration to workspace folder
-     *	- configuration to workspace or workspace folder when no workspace is opened.
-     *	- configuration to workspace folder when there is no workspace folder settings.
-     *	- configuration to workspace folder when {@link WorkspaceConfiguration} is not scoped to a resource.
+     *  - configuration which is not registered.
+     *  - window configuration to workspace folder
+     *  - configuration to workspace or workspace folder when no workspace is opened.
+     *  - configuration to workspace folder when there is no workspace folder settings.
+     *  - configuration to workspace folder when {@link WorkspaceConfiguration} is not scoped to a resource.
      */
     update<S extends keyof Configuration | (string & Record<never, never>)>(
         section: S,

src/constants.ts

@@ -181,6 +181,7 @@ export const CONFIG_KEYS = {
             Timeout: "status.idle.timeout" as const
         } as const,
         ShowElapsedTime: "status.showElapsedTime" as const,
+        RestoreElapsedTime: "status.RestoreElapsedTime" as const,
         ResetElapsedTimePerFile: "status.resetElapsedTimePerFile" as const
     } as const,
     Ignore: {

src/extension.ts

@@ -9,6 +9,11 @@ import { logInfo } from "./logger";
 import { dataClass } from "./data";
 import { StatusBarMode, editor } from "./editor";
 
+import { loadTotalTime, saveTotalTime } from './session';
+
+export let sessionStart = Math.floor( Date.now() / 1000 );
+export let previousTotal = loadTotalTime();
+
 const controller = new RPCController(
     getApplicationId(getConfig()).clientId,
     getConfig().get(CONFIG_KEYS.Behaviour.Debug)
@@ -192,6 +197,9 @@ export async function activate(ctx: ExtensionContext) {
 
 export async function deactivate() {
     logInfo("Discord Rich Presence for VS Code deactivated.");
+    const now = Math.floor( Date.now() / 1000 );
+    const elapsed = now - sessionStart;
+    saveTotalTime( previousTotal + elapsed );
     await controller.destroy();
     logInfo("[004] Destroyed Discord RPC client");
 }

src/session.ts

@@ -0,0 +1,26 @@
+import * as fs from 'fs';
+import * as path from 'path';
+import * as os from 'os';
+
+const FILE = path.join( os.homedir(), '.vscord-session.json' );
+
+export function loadTotalTime(): number
+{
+    if( !fs.existsSync( FILE ) )
+        return 0;
+
+    try
+    {
+        const { totalTime } = JSON.parse( fs.readFileSync( FILE, 'utf8' ) );
+        return typeof totalTime === 'number' ? totalTime : 0;
+    }
+    catch
+    {
+        return 0;
+    }
+}
+
+export function saveTotalTime( totalSeconds: number )
+{
+    fs.writeFileSync( FILE, JSON.stringify( { totalTime: totalSeconds } ), 'utf8' );
+}