introduce usePrepareDocumentProof in mobile SDK

app/src/screens/prove/ConfirmBelongingScreen.tsx

@@ -3,12 +3,12 @@
 // NOTE: Converts to Apache-2.0 on 2029-06-11 per LICENSE.
 
 import LottieView from 'lottie-react-native';
-import React, { useEffect, useState } from 'react';
+import React, { useState } from 'react';
 import { ActivityIndicator, View } from 'react-native';
 import type { StaticScreenProps } from '@react-navigation/native';
 import { usePreventRemove } from '@react-navigation/native';
 
-import { loadSelectedDocument, useSelfClient } from '@selfxyz/mobile-sdk-alpha';
+import { usePrepareDocumentProof, useSelfClient } from '@selfxyz/mobile-sdk-alpha';
 import {
   PassportEvents,
   ProofEvents,
@@ -24,7 +24,6 @@
 import { useSettingStore } from '@/stores/settingStore';
 import { flushAllAnalytics, trackNfcEvent } from '@/utils/analytics';
 import { black, white } from '@/utils/colors';
-import { notificationSuccess } from '@/utils/haptic';
 import {
   getFCMToken,
   requestNotificationPermission,
@@ -34,35 +33,13 @@
 
 const ConfirmBelongingScreen: React.FC<ConfirmBelongingScreenProps> = () => {
   const selfClient = useSelfClient();
-  const { useProvingStore, trackEvent } = selfClient;
+  const { trackEvent } = selfClient;
   const navigate = useHapticNavigation('Loading', {
     params: {},
   });
   const [_requestingPermission, setRequestingPermission] = useState(false);
-  const currentState = useProvingStore(state => state.currentState);
-  const init = useProvingStore(state => state.init);
-  const setUserConfirmed = useProvingStore(state => state.setUserConfirmed);
+  const { setUserConfirmed, isReadyToProve } = usePrepareDocumentProof();
   const setFcmToken = useSettingStore(state => state.setFcmToken);
-  const isReadyToProve = currentState === 'ready_to_prove';
-  useEffect(() => {
-    notificationSuccess();
-
-    const initializeProving = async () => {
-      try {
-        const selectedDocument = await loadSelectedDocument(selfClient);
-        if (selectedDocument?.data?.documentCategory === 'aadhaar') {
-          init(selfClient, 'register');
-        } else {
-          init(selfClient, 'dsc');
-        }
-      } catch (error) {
-        console.error('Error loading selected document:', error);
-        init(selfClient, 'dsc');
-      }
-    };
-
-    initializeProving();
-  }, [init, selfClient]);
 
   const onOkPress = async () => {
     try {

packages/mobile-sdk-alpha/src/context.tsx

@@ -2,11 +2,12 @@
 // SPDX-License-Identifier: BUSL-1.1
 // NOTE: Converts to Apache-2.0 on 2029-06-11 per LICENSE.
 
-import { createContext, type PropsWithChildren, useContext, useMemo } from 'react';
+import { createContext, type PropsWithChildren, useContext, useEffect, useMemo } from 'react';
 
 import { createSelfClient } from './client';
 import { SdkEvents } from './types/events';
 import type { Adapters, Config, SelfClient } from './types/public';
+import { loadSelectedDocument } from './documents/utils';
 
 /**
  * React context holding a {@link SelfClient} instance.
@@ -66,3 +67,32 @@
   if (!client) throw new Error('useSelfClient must be used within a SelfClientProvider');
   return client;
 }
+
+export function usePrepareDocumentProof() {
+  const selfClient = useSelfClient();
+  const { useProvingStore } = selfClient;
+  const currentState = useProvingStore(state => state.currentState);
+  const init = useProvingStore(state => state.init);
+  const setUserConfirmed = useProvingStore(state => state.setUserConfirmed);
+  const isReadyToProve = currentState === 'ready_to_prove';
+
+  useEffect(() => {
+    const initializeProving = async () => {
+      try {
+        const selectedDocument = await loadSelectedDocument(selfClient);
+        if (selectedDocument?.data?.documentCategory === 'aadhaar') {
+          init(selfClient, 'register');
+        } else {
+          init(selfClient, 'dsc');
+        }
+      } catch (error) {
+        console.error('Error loading selected document:', error);
+        init(selfClient, 'dsc');
+      }
+    };
+
+    initializeProving();
+  }, [init, selfClient]);
+
+  return { setUserConfirmed, isReadyToProve };
+}

packages/mobile-sdk-alpha/src/index.ts

@@ -68,7 +68,12 @@
 export { SdkEvents } from './types/events';
 
 // Components
-export { SelfClientContext, SelfClientProvider, useSelfClient } from './context';
+export {
+  SelfClientContext,
+  SelfClientProvider,
+  useSelfClient,
+  usePrepareDocumentProof
+} from './context';
 
 // Documents utils
 export { SelfMobileSdk } from './entry';