[GREEN]Added implementation to check if user already exists

src/scenes/LoginPage/index.tsx

@@ -40,21 +40,56 @@ const LoginPage = () => {
   });
   const [userInfo, setUserInfo] = useState<any>();
 
-  const signIn = async () => {
+  const checkIfTokenHasCorrespondingUser = async (idToken: string | null) => {
+
+    setShouldLoading(true)
+
+    const checkRes = await services.main.checkGoogleUserExists({
+      token: idToken
+    });
+    
+    setShouldLoading(false)
+
+    if (checkRes === undefined) {
+      setAlert({
+        illustration: WonderingIllustration,
+        message: LoginResponse.NoInternetConn,
+      })
+    } else {
+      if (checkRes.status === 200) {
+        LocalStorage.setItem('token', checkRes.data.token);
+        setToken(checkRes.data.token);
+        return false;
+      } else if (checkRes.status === 500) {
+        setAlert({
+          illustration: WonderingIllustration,
+          message: LoginResponse.UnknownServerError,
+        })
+        return false;
+      } else {
+        return true;
+      }
+    }
+  }
+
+  const signInWithGoogle = async () => {
     try {
       await GoogleSignin.hasPlayServices();
       const tempUserInfo = await GoogleSignin.signIn();
       setUserInfo(tempUserInfo);
-      navigation.navigate('officer-signup-form-google-signin', {idToken: tempUserInfo.idToken});
-      
+      const noGoogleUser = await checkIfTokenHasCorrespondingUser(tempUserInfo.idToken);
+      if(noGoogleUser)
+        navigation.navigate('officer-signup-form-google-signin', {idToken: tempUserInfo.idToken});
     } catch (error) {
-      console.log(error)
       if (error.code === statusCodes.SIGN_IN_CANCELLED) {
         // user cancelled the login flow
       } else if (error.code === statusCodes.IN_PROGRESS) {
         // operation (e.g. sign in) is in progress already
       } else if (error.code === statusCodes.PLAY_SERVICES_NOT_AVAILABLE) {
-        // play services not available or outdated
+        setAlert({
+          illustration: WonderingIllustration,
+          message: "Play Service sedang tidak tersedia, coba lagi nanti",
+        })
       } else {
       }
     }
@@ -180,7 +215,7 @@ const LoginPage = () => {
             style={{ width: 192, height: 48 }}
             size={GoogleSigninButton.Size.Wide}
             color={GoogleSigninButton.Color.Dark}
-            onPress={() => signIn()}
+            onPress={() => signInWithGoogle()}
           />
         </Box>
       </Action>

src/scenes/OfficerSignupFormGoogleSignin/index.tsx

@@ -142,7 +142,7 @@ const OfficerSignupFormGoogleSignin = () => {
               setIsLoading(true)
 
               const response = await global.services.main.createUserGoogleSignin({
-                idToken: route.params.idToken,
+                token: route.params.idToken,
                 phone_number: form.fields.phone_number.value,
                 district: form.fields.district.value,
                 sub_district: form.fields.sub_district.value

src/services/hooks/useMainService/index.tsx

@@ -10,6 +10,7 @@ const END_POINTS = {
   LIST_POSITIVE_CASES: createEndpoint(["cases", "positive-cases"]),
   MONITORING_CASES: createEndpoint(["cases", "monitoring-cases"]),
   LOGS: createEndpoint(["logs"]),
+  GOOGLE: createEndpoint(["google"]),
   LOGIN: '/auth/token/',
 };
 
@@ -89,7 +90,7 @@ export default function useMainService(idToken: string) {
   }
 
   interface UserFormTypeGoogleSignin  {
-    idToken: string
+    token: string
     phone_number: string;
     district: string;
     sub_district: string;
@@ -102,6 +103,17 @@ export default function useMainService(idToken: string) {
     return fetchWithoutAuthentication(endPoint, Method.POST, body);
   }
 
+  interface CheckGoogleTokenType  {
+    token: string
+  }
+
+  async function checkGoogleUserExists(body: CheckGoogleTokenType)  {
+    const endPoint = END_POINTS.GOOGLE([
+      null,
+    ])
+    return fetchWithoutAuthentication(endPoint, Method.POST, body);
+  }
+
   async function createCaseSubject(body: object) {
     const endPoint = END_POINTS.CASE_SUBJECTS([
       null,
@@ -275,6 +287,7 @@ export default function useMainService(idToken: string) {
     login,
     createUser,
     createUserGoogleSignin,
+    checkGoogleUserExists,
     me,
     // Contact Investigation Form
     createCaseSubject,