add lazy ping option

backend/cronjobs/cronjobs.go

@@ -21,9 +21,9 @@ func RunPing(app *pocketbase.PocketBase) {
 	// init cronjob
 	CronPing = cron.New()
 	CronPing.AddFunc(settingsPrivateRecords[0].GetString("interval"), func() {
-		// skip cron if no realtime clients connected
+		// skip cron if no realtime clients connected and lazy_ping is turned on
 		realtimeClients := len(app.SubscriptionsBroker().Clients())
-		if realtimeClients == 0 {
+		if realtimeClients == 0 && settingsPrivateRecords[0].GetBool("lazy_ping") {
 			return
 		}
 		// expand ports field

backend/migrations/1692020613_updated_settings_private.go

@@ -0,0 +1,48 @@
+package migrations
+
+import (
+	"encoding/json"
+
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase/daos"
+	m "github.com/pocketbase/pocketbase/migrations"
+	"github.com/pocketbase/pocketbase/models/schema"
+)
+
+func init() {
+	m.Register(func(db dbx.Builder) error {
+		dao := daos.New(db);
+
+		collection, err := dao.FindCollectionByNameOrId("nmj3ko20gzkg8n3")
+		if err != nil {
+			return err
+		}
+
+		// add
+		new_lazy_ping := &schema.SchemaField{}
+		json.Unmarshal([]byte(`{
+			"system": false,
+			"id": "yjyq5pvg",
+			"name": "lazy_ping",
+			"type": "bool",
+			"required": false,
+			"unique": false,
+			"options": {}
+		}`), new_lazy_ping)
+		collection.Schema.AddField(new_lazy_ping)
+
+		return dao.SaveCollection(collection)
+	}, func(db dbx.Builder) error {
+		dao := daos.New(db);
+
+		collection, err := dao.FindCollectionByNameOrId("nmj3ko20gzkg8n3")
+		if err != nil {
+			return err
+		}
+
+		// remove
+		collection.Schema.RemoveField("yjyq5pvg")
+
+		return dao.SaveCollection(collection)
+	})
+}

frontend/src/lib/types/settings.ts

@@ -9,5 +9,6 @@ export type SettingsPublic = Record & {
 
 export type SettingsPrivate = Record & {
 	interval: number;
+	lazy_ping: boolean;
 	scan_range: string;
 };

frontend/src/routes/settings/+page.svelte

@@ -67,8 +67,17 @@
 			.collection('settings_public')
 			.update(settingsPubClone.id, settingsPubClone)
 			.then((res) => {
-				toast.success('Saved settings');
 				settingsPub.set(res as SettingsPublic);
+			})
+			.catch((err) => {
+				toast.error(err.message);
+			});
+		await $pocketbase
+			.collection('settings_private')
+			.update(settingsPrivClone.id, settingsPrivClone)
+			.then((res) => {
+				toast.success('Saved settings');
+				settingsPriv.set(res as SettingsPrivate);
 				goto('/');
 			})
 			.catch((err) => {
@@ -90,7 +99,7 @@
 						class="badge">@every 3s</span
 					>.
 				</p>
-				<p class="mb-2">
+				<p>
 					Learn more about the correct syntax for cron on
 					<a target="_blank" class="link" href="https://en.wikipedia.org/wiki/Cron">Wikipedia</a>
 					or refer to the
@@ -98,7 +107,7 @@
 						>package documentation</a
 					>.
 				</p>
-				<div class="form-control w-full">
+				<div class="form-control w-full mt-2">
 					<input
 						type="text"
 						placeholder="e.g. '@every 5s' or '@every 1m'"
@@ -106,6 +115,21 @@
 						bind:value={settingsPrivClone.interval}
 					/>
 				</div>
+				<h2 class="card-title mt-2">Lazy ping</h2>
+				<p class="mt-2">
+					When lazy ping is turned on, UpSnap will only ping devices if there is an active user
+					visiting the website. If it's turned off, UpSnap will always ping devices.
+				</p>
+				<div class="form-control w-fit">
+					<label class="label cursor-pointer gap-2">
+						<input
+							type="checkbox"
+							class="checkbox checkbox-primary"
+							bind:checked={settingsPrivClone.lazy_ping}
+						/>
+						<span class="label-text">Enable</span>
+					</label>
+				</div>
 			</div>
 		</div>
 		<div class="card w-full bg-base-300 shadow-xl mt-6">