feat(push): auto-subscribe in standalone mode — no button needed, iOS system prompt only

src/components/client/PushSubscriptionBanner.jsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from "react";
+import React, { useState, useEffect, useCallback } from "react";
 
 const VAPID_PUBLIC_KEY = "BDLNGyVp7hDzRujZBncNQ0qyz4zVFAhAWX1nsCMRC2tagmer46Sy6exZOymsGVk-TDb1bhkkXXth9Jkzdv4SdJg";
 
@@ -16,7 +16,7 @@ const apiHeaders = {
 const normalizePhone = (phone) => {
   if (!phone) return "";
   const clean = String(phone).replace(/\D/g, "");
-  if (clean.length < 10) return ""; // too short to be a real number
+  if (clean.length < 10) return "";
   if (clean.startsWith("8")) return "7" + clean.slice(1);
   if (!clean.startsWith("7")) return "7" + clean;
   return clean;
@@ -42,12 +42,10 @@ const urlBase64ToUint8Array = (base64String) => {
 };
 
 export const PushSubscriptionBanner = ({ phone, orderGroupId }) => {
-  const [status, setStatus] = useState("idle"); // idle | prompting | subscribed | denied | unsupported
+  const [status, setStatus] = useState("idle");
   const [dismissed, setDismissed] = useState(false);
   const [phoneInput, setPhoneInput] = useState("");
 
-  // Persist a known phone so the installed app (which opens without a token)
-  // can still subscribe. Prefer prop, fall back to stored value.
   const propPhone = normalizePhone(phone);
   const storedPhone = propPhone || readStoredPhone();
 
@@ -56,7 +54,6 @@ export const PushSubscriptionBanner = ({ phone, orderGroupId }) => {
       try {
         window.localStorage.setItem(PHONE_STORAGE_KEY, propPhone);
       } catch (e) {
-        // localStorage unavailable (private mode) — ignore
         void e;
       }
     }
@@ -64,33 +61,12 @@ export const PushSubscriptionBanner = ({ phone, orderGroupId }) => {
 
   const phoneNorm = storedPhone || normalizePhone(phoneInput);
 
-  // Detect iOS Safari (not in standalone mode = not added to Home Screen)
   const isIOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
   const isStandalone = window.matchMedia("(display-mode: standalone)").matches || navigator.standalone === true;
   const isIOSNotInstalled = isIOS && !isStandalone;
 
-  // Check if push is supported
-  useEffect(() => {
-    // iOS Safari in browser mode (not standalone) doesn't support Push API
-    if (isIOSNotInstalled) {
-      setStatus("ios_not_installed");
-      return;
-    }
-    if (!("serviceWorker" in navigator) || !("PushManager" in window)) {
-      setStatus("unsupported");
-      return;
-    }
-    // Check existing subscription
-    navigator.serviceWorker.ready.then(async (reg) => {
-      const existing = await reg.pushManager.getSubscription();
-      if (existing) {
-        setStatus("subscribed");
-      }
-    }).catch(() => undefined);
-  }, []);
-
-  const subscribe = async () => {
-    const resolvedPhone = normalizePhone(phoneInput) || storedPhone;
+  const subscribe = useCallback(async (overridePhone) => {
+    const resolvedPhone = overridePhone || normalizePhone(phoneInput) || storedPhone;
     if (!resolvedPhone) {
       setStatus("need_phone");
       return;
@@ -99,7 +75,6 @@ export const PushSubscriptionBanner = ({ phone, orderGroupId }) => {
       try {
         window.localStorage.setItem(PHONE_STORAGE_KEY, resolvedPhone);
       } catch (e) {
-        // localStorage unavailable — ignore
         void e;
       }
     }
@@ -114,7 +89,6 @@ export const PushSubscriptionBanner = ({ phone, orderGroupId }) => {
           applicationServerKey: urlBase64ToUint8Array(VAPID_PUBLIC_KEY),
         });
       }
-      // Send to backend
       const sub = subscription.toJSON();
       const resp = await fetch(getEndpoint("push-subscribe"), {
         method: "POST",
@@ -142,15 +116,64 @@ export const PushSubscriptionBanner = ({ phone, orderGroupId }) => {
         setStatus("idle");
       }
     }
+  }, [phoneInput, storedPhone, orderGroupId]);
+
+  // Init: check support → check existing subscription → auto-subscribe if possible
+  useEffect(() => {
+    if (isIOSNotInstalled) {
+      setStatus("ios_not_installed");
+      return;
+    }
+    if (!("serviceWorker" in navigator) || !("PushManager" in window)) {
+      setStatus("unsupported");
+      return;
+    }
+
+    let cancelled = false;
+
+    const init = async () => {
+      const reg = await navigator.serviceWorker.ready;
+      if (cancelled) return;
+
+      const existing = await reg.pushManager.getSubscription();
+      if (cancelled) return;
+
+      if (existing) {
+        setStatus("subscribed");
+        return;
+      }
+
+      // No existing subscription — decide whether to auto-subscribe
+      const permission = Notification.permission;
+
+      if (permission === "denied") {
+        setStatus("denied");
+        return;
+      }
+
+      // Auto-subscribe when:
+      // - permission already granted (user allowed before), OR
+      // - standalone mode (installed PWA — iOS shows system prompt on subscribe)
+      // AND we have a phone to associate
+      const canAutoSubscribe =
+        (permission === "granted" || isStandalone) && storedPhone;
+
+      if (canAutoSubscribe) {
+        await subscribe(storedPhone);
+      }
+      // else: stay idle, show banner with button / phone input
     };
 
+    init().catch(() => undefined);
+    return () => { cancelled = true; };
+  }, []); // eslint-disable-line react-hooks/exhaustive-deps
+
   const unsubscribe = async () => {
     try {
       const reg = await navigator.serviceWorker.ready;
       const sub = await reg.pushManager.getSubscription();
       if (sub) {
         await sub.unsubscribe();
-        // Notify backend
         await fetch(getEndpoint("push-unsubscribe"), {
           method: "POST",
           headers: apiHeaders,
@@ -167,45 +190,10 @@ export const PushSubscriptionBanner = ({ phone, orderGroupId }) => {
     }
   };
 
-  // Don't render if unsupported, dismissed, or no phone
+  // Don't render if unsupported
   if (status === "unsupported") return null;
-  if (dismissed && status !== "subscribed" && status !== "denied") return null;
-
-  // iOS not installed — show instruction to add to Home Screen
-  if (status === "ios_not_installed") {
-    return (
-      <div className="rounded-xl border border-[rgba(18,128,92,0.2)] bg-[var(--color-accent-soft)] px-4 py-3">
-        <div className="flex items-start gap-2.5">
-          <span className="text-base flex-shrink-0 mt-0.5">🔔</span>
-          <div className="flex-1">
-            <p className="text-sm font-semibold text-[var(--color-text)]">
-              Включить уведомления о доставке
-            </p>
-            <p className="text-xs text-[var(--color-text-muted)] mt-1 leading-5">
-              На iPhone уведомления работают только если приложение добавлено на главный экран.
-            </p>
-            <ol className="text-xs text-[var(--color-text-muted)] mt-2 space-y-1 leading-5">
-              <li>1. Нажмите <span className="font-medium">«Поделиться»</span> (квадрат со стрелкой ↑) внизу Safari</li>
-              <li>2. Выберите <span className="font-medium">«На экран Домой»</span> → «Добавить»</li>
-              <li>3. Откройте приложение с иконки <span className="font-medium">«СуперСам»</span> на главном экране</li>
-              <li>4. Нажмите <span className="font-medium">«Разрешить»</span> в этом баннере</li>
-            </ol>
-          </div>
-        </div>
-        <div className="flex justify-end mt-2">
-          <button
-            type="button"
-            onClick={() => setDismissed(true)}
-            className="text-xs text-[var(--color-text-muted)] transition hover:text-[var(--color-text)]"
-          >
-            Позже
-          </button>
-        </div>
-      </div>
-    );
-  }
-
-  // Subscribed state — show small confirmation + unsubscribe option
+  // Auto-subscribed or prompting — no UI needed
+  if (status === "subscribed" || status === "prompting") {
     if (status === "subscribed") {
       return (
         <div className="rounded-xl border border-[rgba(18,128,92,0.25)] bg-[var(--color-accent-soft)] px-4 py-3">
@@ -227,6 +215,48 @@ export const PushSubscriptionBanner = ({ phone, orderGroupId }) => {
         </div>
       );
     }
+    // prompting — show minimal loading
+    return (
+      <div className="rounded-xl border border-[var(--color-border)] bg-[var(--color-surface)] px-4 py-3">
+        <p className="text-sm text-[var(--color-text-muted)]">Ожидание разрешения…</p>
+      </div>
+    );
+  }
+  if (dismissed) return null;
+
+  // iOS not installed — show instruction to add to Home Screen
+  if (status === "ios_not_installed") {
+    return (
+      <div className="rounded-xl border border-[rgba(18,128,92,0.2)] bg-[var(--color-accent-soft)] px-4 py-3">
+        <div className="flex items-start gap-2.5">
+          <span className="text-base flex-shrink-0 mt-0.5">🔔</span>
+          <div className="flex-1">
+            <p className="text-sm font-semibold text-[var(--color-text)]">
+              Включить уведомления о доставке
+            </p>
+            <p className="text-xs text-[var(--color-text-muted)] mt-1 leading-5">
+              На iPhone уведомления работают только если приложение добавлено на главный экран.
+            </p>
+            <ol className="text-xs text-[var(--color-text-muted)] mt-2 space-y-1 leading-5">
+              <li>1. Нажмите <span className="font-medium">«Поделиться»</span> (квадрат со стрелкой ↑) внизу Safari</li>
+              <li>2. Выберите <span className="font-medium">«На экран Домой»</span> → «Добавить»</li>
+              <li>3. Откройте приложение с иконки <span className="font-medium">«СуперСам»</span> на главном экране</li>
+              <li>4. Разрешите уведомления при первом открытии</li>
+            </ol>
+          </div>
+        </div>
+        <div className="flex justify-end mt-2">
+          <button
+            type="button"
+            onClick={() => setDismissed(true)}
+            className="text-xs text-[var(--color-text-muted)] transition hover:text-[var(--color-text)]"
+          >
+            Позже
+          </button>
+        </div>
+      </div>
+    );
+  }
 
   // Denied — user blocked notifications
   if (status === "denied") {
@@ -242,15 +272,6 @@ export const PushSubscriptionBanner = ({ phone, orderGroupId }) => {
     );
   }
 
-  // Prompting — show loading
-  if (status === "prompting") {
-    return (
-      <div className="rounded-xl border border-[var(--color-border)] bg-[var(--color-surface)] px-4 py-3">
-        <p className="text-sm text-[var(--color-text-muted)]">Ожидание разрешения…</p>
-      </div>
-    );
-  }
-
   // Need a phone number to subscribe (opened the installed app without a token)
   if (status === "need_phone" || (!phoneNorm && !isIOSNotInstalled)) {
     return (
@@ -275,7 +296,7 @@ export const PushSubscriptionBanner = ({ phone, orderGroupId }) => {
               />
               <button
                 type="button"
-                onClick={subscribe}
+                onClick={() => subscribe()}
                 className="flex-shrink-0 rounded-xl bg-[var(--color-accent)] px-4 py-2 text-sm font-semibold text-white transition hover:opacity-90"
               >
                 Разрешить
@@ -287,7 +308,7 @@ export const PushSubscriptionBanner = ({ phone, orderGroupId }) => {
     );
   }
 
-  // Idle — show subscription banner
+  // Idle — show subscription banner with button (non-standalone, permission=default)
   return (
     <div className="rounded-xl border border-[rgba(18,128,92,0.2)] bg-[var(--color-accent-soft)] px-4 py-3">
       <div className="flex items-center justify-between gap-3">
@@ -305,7 +326,7 @@ export const PushSubscriptionBanner = ({ phone, orderGroupId }) => {
         <div className="flex items-center gap-2 flex-shrink-0">
           <button
             type="button"
-            onClick={subscribe}
+            onClick={() => subscribe()}
             className="rounded-xl bg-[var(--color-accent)] px-4 py-2 text-sm font-semibold text-white transition hover:opacity-90"
           >
             Разрешить