From a49c035d07cbd4660559e6420907f8e95a53b30b Mon Sep 17 00:00:00 2001
From: Samuel Newman <mozzius@protonmail.com>
Date: Fri, 28 Nov 2025 19:32:31 +0200
Subject: [PATCH] get contacts

---
 .../contacts/screens/GetContacts.tsx          | 109 ++++++++++++++++--
 .../contacts/screens/VerifyNumber.tsx         |   7 +-
 src/components/contacts/state.ts              |  16 ++-
 3 files changed, 114 insertions(+), 18 deletions(-)

diff --git a/src/components/contacts/screens/GetContacts.tsx b/src/components/contacts/screens/GetContacts.tsx
index 6995ac0fdd..6faf4f57cc 100644
--- a/src/components/contacts/screens/GetContacts.tsx
+++ b/src/components/contacts/screens/GetContacts.tsx
@@ -1,15 +1,21 @@
-import {View} from 'react-native'
+import {Alert, View} from 'react-native'
 import {useSafeAreaInsets} from 'react-native-safe-area-context'
-import {msg, Trans} from '@lingui/macro'
+import * as Contacts from 'expo-contacts'
+import {msg, t, Trans} from '@lingui/macro'
 import {useLingui} from '@lingui/react'
+import {useMutation} from '@tanstack/react-query'
 
+import {wait} from '#/lib/async/wait'
+import {logger} from '#/logger'
 import {atoms as a, tokens, useGutters} from '#/alf'
-import {Button, ButtonText} from '#/components/Button'
+import {Button, ButtonIcon, ButtonText} from '#/components/Button'
 import * as Layout from '#/components/Layout'
+import {Loader} from '#/components/Loader'
 import {Text} from '#/components/Typography'
 import {type Action, type State} from '../state'
 
 export function GetContacts({
+  dispatch,
   onCancel,
 }: {
   state: Extract<State, {step: '3: get contacts'}>
@@ -18,9 +24,63 @@ export function GetContacts({
 }) {
   const {_} = useLingui()
   const insets = useSafeAreaInsets()
-
   const gutters = useGutters([0, 'wide'])
 
+  const {mutate: uploadContacts, isPending: isUploadPending} = useMutation({
+    mutationFn: async (_contacts: Contacts.ExistingContact[]) => {
+      await wait(2e3, () => {})
+    },
+    onSuccess: () => {
+      dispatch({
+        type: 'SYNC_CONTACTS_SUCCESS',
+        payload: {
+          matches: [],
+        },
+      })
+    },
+  })
+
+  const {mutate: getContacts, isPending: isGetContactsPending} = useMutation({
+    mutationFn: async () => {
+      let permissions = await Contacts.getPermissionsAsync()
+
+      if (!permissions.granted && permissions.canAskAgain) {
+        permissions = await Contacts.requestPermissionsAsync()
+      }
+
+      if (!permissions.granted) {
+        throw new PermissionDeniedError()
+      }
+
+      const contacts = await Contacts.getContactsAsync({
+        fields: [
+          Contacts.Fields.FirstName,
+          Contacts.Fields.LastName,
+          Contacts.Fields.PhoneNumbers,
+          Contacts.Fields.Image,
+        ],
+      })
+
+      return contacts.data
+    },
+    onSuccess: contacts => {
+      dispatch({
+        type: 'GET_CONTACTS_SUCCESS',
+        payload: {contacts},
+      })
+      uploadContacts(contacts)
+    },
+    onError: err => {
+      if (err instanceof PermissionDeniedError) {
+        showPermissionDeniedAlert()
+      } else {
+        logger.error('Error getting contacts', {safeMessage: err})
+      }
+    },
+  })
+
+  const isPending = isUploadPending || isGetContactsPending
+
   const style = [a.text_md, a.leading_snug, a.mt_md]
 
   return (
@@ -70,10 +130,24 @@ export function GetContacts({
             and to retain hashed data for matching until I opt out.
           </Trans>
         </Text>
-        <Button label={_(msg`Find my friends`)} size="large" color="primary">
-          <ButtonText>
-            <Trans>Find my friends</Trans>
-          </ButtonText>
+        <Button
+          label={_(msg`Find my friends`)}
+          size="large"
+          color="primary"
+          onPress={() => getContacts()}
+          disabled={isPending}>
+          {isUploadPending ? (
+            <>
+              <ButtonText>
+                <Trans>Finding friends...</Trans>
+              </ButtonText>
+              <ButtonIcon icon={Loader} />
+            </>
+          ) : (
+            <ButtonText>
+              <Trans>Find my friends</Trans>
+            </ButtonText>
+          )}
         </Button>
         <Button
           label={_(msg`Cancel`)}
@@ -88,3 +162,22 @@ export function GetContacts({
     </View>
   )
 }
+
+class PermissionDeniedError extends Error {
+  constructor() {
+    super('Permission denied')
+  }
+}
+
+function showPermissionDeniedAlert() {
+  Alert.alert(
+    t`You've denied access to your contacts`,
+    t`You'll need to go to the app's settings and give permission if you want to use this feature.`,
+    [
+      {
+        text: t`Ok`,
+        style: 'default',
+      },
+    ],
+  )
+}
diff --git a/src/components/contacts/screens/VerifyNumber.tsx b/src/components/contacts/screens/VerifyNumber.tsx
index 80a4b7a872..6db46f8c9c 100644
--- a/src/components/contacts/screens/VerifyNumber.tsx
+++ b/src/components/contacts/screens/VerifyNumber.tsx
@@ -60,7 +60,12 @@ export function VerifyNumber({
     },
     onSuccess: async () => {
       await wait(2e3, () => {})
-      dispatch({type: 'VERIFY_PHONE_NUMBER_SUCCESS'})
+      dispatch({
+        type: 'VERIFY_PHONE_NUMBER_SUCCESS',
+        payload: {
+          token: 'example_token',
+        },
+      })
     },
     onMutate: () => setError(null),
     onError: err => {
diff --git a/src/components/contacts/state.ts b/src/components/contacts/state.ts
index c3b8d26d89..2e57975690 100644
--- a/src/components/contacts/state.ts
+++ b/src/components/contacts/state.ts
@@ -1,16 +1,9 @@
 import {useReducer} from 'react'
+import {type ExistingContact} from 'expo-contacts'
 
 import type * as bsky from '#/types/bsky'
 
-export type Contact = {
-  /**
-   * Generate ourselves - should be random or sequential
-   */
-  id: string
-  firstName?: string
-  lastName?: string
-  phone?: string[]
-}
+export type Contact = ExistingContact
 
 // TODO: replace with lexicon type
 export type Match = {
@@ -32,6 +25,7 @@ export type State =
     }
   | {
       step: '3: get contacts'
+      token: string
       contacts?: Contact[]
     }
   | {
@@ -53,6 +47,9 @@ export type Action =
     }
   | {
       type: 'VERIFY_PHONE_NUMBER_SUCCESS'
+      payload: {
+        token: string
+      }
     }
   | {
       type: 'GET_CONTACTS_SUCCESS'
@@ -91,6 +88,7 @@ function reducer(state: State, action: Action): State {
       assertCurrentStep(state, '2: verify number')
       return {
         step: '3: get contacts',
+        token: action.payload.token,
       }
     }
     case 'BACK': {