Gsoc 2023 migrating cast vote activity to jetpack compose

app/src/main/java/org/aossie/agoraandroid/ui/activities/castVote/CastVoteViewModel.kt

@@ -1,15 +1,25 @@
 package org.aossie.agoraandroid.ui.activities.castVote
 
+import androidx.compose.runtime.State
+import androidx.compose.runtime.mutableStateOf
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asSharedFlow
+import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
+import org.aossie.agoraandroid.R
 import org.aossie.agoraandroid.domain.model.ElectionDtoModel
 import org.aossie.agoraandroid.domain.useCases.castVoteActivity.CastVoteActivityUseCases
+import org.aossie.agoraandroid.ui.fragments.electionDetails.ElectionDetailsViewModel.UiEvents
+import org.aossie.agoraandroid.ui.screens.common.Util.ScreensState
 import org.aossie.agoraandroid.utilities.ApiException
+import org.aossie.agoraandroid.utilities.AppConstants
 import org.aossie.agoraandroid.utilities.NoInternetException
 import org.aossie.agoraandroid.utilities.ResponseUI
 import java.net.HttpURLConnection
@@ -23,39 +33,45 @@ constructor(
   private val castVoteActivityUseCases: CastVoteActivityUseCases
 ) : ViewModel() {
 
-  private val mVerifyVoterResponse = MutableStateFlow<ResponseUI<Any>?>(null)
-
-  val verifyVoterResponse: StateFlow<ResponseUI<Any>?>
-    get() = mVerifyVoterResponse
-
   private val _getDeepLinkStateFlow = MutableStateFlow<ResponseUI<String>?>(null)
 
   val getDeepLinkStateFlow: StateFlow<ResponseUI<String>?>
     get() = _getDeepLinkStateFlow
 
-  private val mCastVoteResponse = MutableStateFlow<ResponseUI<Any>?>(null)
-
-  val castVoteResponse: StateFlow<ResponseUI<Any>?>
-    get() = mCastVoteResponse
-
   private val mElection = MutableStateFlow<ElectionDtoModel?>(null)
 
   val election: StateFlow<ElectionDtoModel?>
     get() = mElection
 
+  private val _progressAndErrorState = mutableStateOf(ScreensState())
+  val progressAndErrorState: State<ScreensState> = _progressAndErrorState
+
+  private val _verifiedVoter = MutableStateFlow(false)
+  val verifiedVoter = _verifiedVoter.asStateFlow()
+
+  private val _uiEventsFlow = MutableSharedFlow<UiEvents>()
+  val uiEventsFlow = _uiEventsFlow.asSharedFlow()
+
   fun verifyVoter(id: String) {
+    _verifiedVoter.value = false
     viewModelScope.launch {
       try {
         val electionDtoModel = castVoteActivityUseCases.verifyVotersUseCase(id)
         electionDtoModel._id = id
-        mVerifyVoterResponse.value = ResponseUI.success()
+        _verifiedVoter.value = true
         mElection.value = electionDtoModel
       } catch (e: ApiException) {
-        mVerifyVoterResponse.value = ResponseUI.error(e.message)
+        showMessage(e.message!!)
+        delay(2000)
+        _uiEventsFlow.emit(UiEvents.VerifyVoterError)
       } catch (e: NoInternetException) {
-        mVerifyVoterResponse.value = ResponseUI.error(e.message)
+        showMessage(e.message!!)
+        delay(2000)
+        _uiEventsFlow.emit(UiEvents.VerifyVoterError)
       } catch (e: Exception) {
-        mVerifyVoterResponse.value = ResponseUI.error(e.message)
+        showMessage(e.message!!)
+        delay(2000)
+        _uiEventsFlow.emit(UiEvents.VerifyVoterError)
       }
     }
   }
@@ -65,16 +81,19 @@ constructor(
     ballotInput: String,
     passCode: String
   ) {
+    showLoading("Casting your vote...")
     viewModelScope.launch {
       try {
         castVoteActivityUseCases.castVoteUseCase(id, ballotInput, passCode)
-        mCastVoteResponse.value = ResponseUI.success()
+        showMessage(R.string.vote_successful)
+        delay(2000)
+        _uiEventsFlow.emit(UiEvents.VoteCastSuccessFull)
       } catch (e: ApiException) {
-        mCastVoteResponse.value = ResponseUI.error(e.message)
+        showMessage(e.message!!)
       } catch (e: NoInternetException) {
-        mCastVoteResponse.value = ResponseUI.error(e.message)
+        showMessage(e.message!!)
       } catch (e: Exception) {
-        mCastVoteResponse.value = ResponseUI.error(e.message)
+        showMessage(e.message!!)
       }
     }
   }
@@ -101,4 +120,38 @@ constructor(
       }
     }
   }
+
+  private fun showLoading(message: Any) {
+    _progressAndErrorState.value = progressAndErrorState.value.copy(
+      loading = Pair(message,true)
+    )
+  }
+
+  fun showMessage(message: Any) {
+    _progressAndErrorState.value = progressAndErrorState.value.copy(
+      message = Pair(message,true),
+      loading = Pair("",false)
+    )
+    viewModelScope.launch {
+      delay(AppConstants.SNACKBAR_DURATION)
+      hideSnackBar()
+    }
+  }
+
+  private fun hideSnackBar() {
+    _progressAndErrorState.value = progressAndErrorState.value.copy(
+      message = Pair("",false)
+    )
+  }
+
+  private fun hideLoading() {
+    _progressAndErrorState.value = progressAndErrorState.value.copy(
+      loading = Pair("",false)
+    )
+  }
+
+  sealed class UiEvents{
+    object VoteCastSuccessFull:UiEvents()
+    object VerifyVoterError:UiEvents()
+  }
 }

app/src/main/java/org/aossie/agoraandroid/ui/fragments/displayelections/DisplayElectionViewModel.kt

@@ -13,7 +13,6 @@ import org.aossie.agoraandroid.domain.model.ElectionModel
 import org.aossie.agoraandroid.domain.useCases.displayElection.DisplayElectionsUseCases
 import org.aossie.agoraandroid.ui.screens.common.Util.ScreensState
 import org.aossie.agoraandroid.utilities.AppConstants
-import org.aossie.agoraandroid.utilities.lazyDeferred
 import java.text.SimpleDateFormat
 import java.util.Calendar
 import java.util.Date
@@ -71,6 +70,7 @@ constructor(
         showMessage(R.string.something_went_wrong_please_try_again_later)
       }
     }
+  }
 
   fun getPendingElectionsState(query:String) {
     viewModelScope.launch {
@@ -112,69 +112,6 @@ constructor(
     )
   }
 
-  val finishedElections = MutableStateFlow<List<ElectionModel>>(emptyList())
-  val search = mutableStateOf("")
-
-  private val _progressAndErrorState = MutableStateFlow (ScreensState())
-  val progressAndErrorState = _progressAndErrorState.asStateFlow()
-
-  fun getFinishedElectionsState(query:String){
-    viewModelScope.launch {
-      try {
-        displayElectionsUseCases.getFinishedElections(date).collectLatest { list ->
-          search.value = query
-          if(query.isEmpty()) {
-            finishedElections.emit(list)
-          }else{
-            finishedElections.emit(filter(list, query))
-          }
-        }
-      } catch (e: IllegalStateException) {
-        showMessage(R.string.something_went_wrong_please_try_again_later)
-      }
-    }
-  }
-
-  fun getActiveElectionsState(query:String) {
-    viewModelScope.launch {
-      try {
-        displayElectionsUseCases.getActiveElections(date).collectLatest { list ->
-          search.value = query
-          if(query.isEmpty()) {
-            activeElections.emit(list)
-          }else{
-            activeElections.emit(filter(list, query))
-          }
-        }
-      } catch (e: IllegalStateException) {
-        showMessage(R.string.something_went_wrong_please_try_again_later)
-      }
-    }
-  }
-
-  private fun showLoading(message: Any) {
-    _progressAndErrorState.value = progressAndErrorState.value.copy(
-      loading = Pair(message,true)
-    )
-  }
-
-  fun showMessage(message: Any) {
-    _progressAndErrorState.value = progressAndErrorState.value.copy(
-      message = Pair(message,true),
-      loading = Pair("",false)
-    )
-    viewModelScope.launch {
-      delay(AppConstants.SNACKBAR_DURATION)
-      hideSnackBar()
-    }
-  }
-
-  private fun hideSnackBar() {
-    _progressAndErrorState.value = progressAndErrorState.value.copy(
-      message = Pair("",false)
-    )
-  }
-
   private fun hideLoading() {
     _progressAndErrorState.value = progressAndErrorState.value.copy(
       loading = Pair("",false)

app/src/main/java/org/aossie/agoraandroid/ui/fragments/electionDetails/ElectionDetailsFragment.kt

@@ -1,9 +1,11 @@
 package org.aossie.agoraandroid.ui.fragments.electionDetails
 
+import android.content.Intent
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.platform.ComposeView
 import androidx.fragment.app.Fragment
@@ -17,14 +19,18 @@ import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.launch
 import org.aossie.agoraandroid.R
 import org.aossie.agoraandroid.data.db.PreferenceProvider
+import org.aossie.agoraandroid.ui.activities.castVote.CastVoteActivity
+import org.aossie.agoraandroid.ui.activities.castVote.CastVoteViewModel
 import org.aossie.agoraandroid.ui.fragments.BaseFragment
 import org.aossie.agoraandroid.ui.fragments.electionDetails.ElectionDetailsViewModel.UiEvents.ElectionDeleted
 import org.aossie.agoraandroid.ui.fragments.electionDetails.ElectionDetailsViewModel.UiEvents.InviteVoters
 import org.aossie.agoraandroid.ui.fragments.electionDetails.ElectionDetailsViewModel.UiEvents.ViewResults
 import org.aossie.agoraandroid.ui.screens.electionDetails.ElectionDetailsScreen
 import org.aossie.agoraandroid.ui.screens.electionDetails.events.ElectionDetailsScreenEvent.BallotClick
+import org.aossie.agoraandroid.ui.screens.electionDetails.events.ElectionDetailsScreenEvent.CastVoteClick
 import org.aossie.agoraandroid.ui.screens.electionDetails.events.ElectionDetailsScreenEvent.ViewVotersClick
 import org.aossie.agoraandroid.ui.theme.AgoraTheme
+import org.aossie.agoraandroid.utilities.AppConstants
 import javax.inject.Inject
 
 /**
@@ -42,6 +48,9 @@ constructor(
   private val electionDetailsViewModel: ElectionDetailsViewModel by viewModels {
     viewModelFactory
   }
+  private val castVoteViewModel: CastVoteViewModel by viewModels {
+    viewModelFactory
+  }
   private lateinit var composeView: ComposeView
   override fun onCreateView(
     inflater: LayoutInflater,
@@ -66,10 +75,12 @@ constructor(
     composeView.setContent {
       val progressErrorState by electionDetailsViewModel.progressAndErrorState
       val electionDetails by electionDetailsViewModel.electionState
+      val verifiedVoterStatus by castVoteViewModel.verifiedVoter.collectAsState()
       AgoraTheme {
         ElectionDetailsScreen(
           screenState =  progressErrorState,
-          electionDetails = electionDetails
+          electionDetails = electionDetails,
+          verifiedVoterStatus = verifiedVoterStatus
         ) { event->
           when(event){
             BallotClick -> {
@@ -86,13 +97,25 @@ constructor(
                 )
               findNavController().navigate(action)
             }
+            CastVoteClick -> {
+              val intent = Intent(requireActivity(), CastVoteActivity::class.java)
+              intent.putExtra(AppConstants.ELECTION_ID, id!!)
+              startActivity(intent)
+            }
             else -> electionDetailsViewModel.onEvent(event)
           }
         }
       }
     }
   }
 
+  override fun onResume() {
+    super.onResume()
+    id?.let {
+      castVoteViewModel.verifyVoter(it)
+    }
+  }
+
   override fun onNetworkConnected() {
     electionDetailsViewModel.getElectionDetailsById(id ?: "")
   }

app/src/main/java/org/aossie/agoraandroid/ui/fragments/home/HomeViewModel.kt

@@ -11,7 +11,6 @@ import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asSharedFlow
-import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.launch
 import org.aossie.agoraandroid.data.db.PreferenceProvider
@@ -45,9 +44,6 @@ constructor(
     .time
   private val date: String = formatter.format(currentDate)
 
-  private val _progressAndErrorState = MutableStateFlow (ScreensState())
-  val progressAndErrorState = _progressAndErrorState.asStateFlow()
-
   private val _countMediatorLiveData = MediatorLiveData<MutableMap<String, Int>>()
   val countMediatorLiveData = _countMediatorLiveData