fix: graph auto change

app/src/main/java/com/example/bondoman/ui/graph/GraphFragment.kt

@@ -7,12 +7,14 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.lifecycleScope
 import com.anychart.AnyChart
 import com.anychart.AnyChartView
 import com.anychart.chart.common.dataentry.DataEntry
+import com.anychart.chart.common.dataentry.ValueDataEntry
 import com.anychart.charts.Pie
-import com.example.bondoman.R
 import com.example.bondoman.databinding.FragmentGraphBinding
+import kotlinx.coroutines.launch
 
 class GraphFragment: Fragment() {
 
@@ -20,6 +22,10 @@ class GraphFragment: Fragment() {
 
     private var _binding: FragmentGraphBinding? = null
 
+    private lateinit var graphViewModel: GraphViewModel
+
+    private var pie: Pie? = null
+
     private val binding get() = _binding!!
 
     override fun onCreateView(
@@ -27,24 +33,37 @@ class GraphFragment: Fragment() {
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View {
-        val graphViewModel = ViewModelProvider(this).get(GraphViewModel::class.java)
-        graphViewModel.getCountTypeData()
+        graphViewModel = ViewModelProvider(this).get(GraphViewModel::class.java)
 
         _binding = FragmentGraphBinding.inflate(inflater, container, false)
         val root: View = binding.root
 
         anyChartView = binding.graphChartFragment
-        graphViewModel.countData.observe(viewLifecycleOwner) { dataEntries ->
-            setupChartView(dataEntries)
-        }
+        pie= AnyChart.pie()
+
 
         return root
     }
 
-    private fun setupChartView(dataEntries: List<DataEntry>) {
-        val pie: Pie = AnyChart.pie()
-        pie.data(dataEntries)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        lifecycleScope.launch {
+            val (pemasukan, pembelian) = graphViewModel.getCountTypeData()
+            Log.d("Graph Fragment", "$pemasukan, $pembelian")
+            updateChart(pemasukan, pembelian)
+        }
+
+    }
+
+    private fun updateChart(pemasukanCount: Int, pembelianCount: Int){
+        Log.d("Graph Fragment", "$pemasukanCount and $pembelianCount")
+        val dataEntries: List<DataEntry> = listOf(
+            ValueDataEntry("Pemasukan", pemasukanCount),
+            ValueDataEntry("Pembelian", pembelianCount)
+        )
+
 
+        pie!!.data(dataEntries)
         anyChartView.setChart(pie)
     }
 

app/src/main/java/com/example/bondoman/ui/graph/GraphViewModel.kt

@@ -2,11 +2,6 @@ package com.example.bondoman.ui.graph
 
 import android.app.Application
 import androidx.lifecycle.AndroidViewModel
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.ViewModel
-import com.anychart.chart.common.dataentry.DataEntry
-import com.anychart.chart.common.dataentry.ValueDataEntry
 import com.example.bondoman.core.repository.TransactionRepository
 import com.example.bondoman.core.usecase.AddTransaction
 import com.example.bondoman.core.usecase.GetAllTransaction
@@ -16,19 +11,11 @@ import com.example.bondoman.core.usecase.RemoveTransaction
 import com.example.bondoman.framework.RoomTransactionDataSource
 import com.example.bondoman.framework.UseCases
 import com.example.bondoman.lib.transaction.TRANSACTION_TYPE
-import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
 class GraphViewModel(application: Application):AndroidViewModel(application) {
 
-    private val _countData = MutableLiveData<List<DataEntry>>()
-
-    val countData: LiveData<List<DataEntry>> = _countData
-
-    private val coroutineScope = CoroutineScope(Dispatchers.IO)
-
     val repository = TransactionRepository(RoomTransactionDataSource(application))
 
     val useCases = UseCases(
@@ -39,18 +26,11 @@ class GraphViewModel(application: Application):AndroidViewModel(application) {
         GetTransactionTypeCount(repository)
     )
 
-    fun getCountTypeData(){
-        coroutineScope.launch {
-            val pemasukanCount:Int = useCases.getTransactionTypeCount(TRANSACTION_TYPE.PEMASUKAN)
-            val pembelianCount:Int = useCases.getTransactionTypeCount(TRANSACTION_TYPE.PEMBELIAN)
-
-            val dataEntries:List<DataEntry> = listOf(
-                    ValueDataEntry("Pemasukan", pemasukanCount),
-                    ValueDataEntry("Pembelian", pembelianCount))
-
-            withContext(Dispatchers.Main) {
-                _countData.value = dataEntries
-            }
+    suspend fun getCountTypeData(): Pair<Int, Int>{
+        return withContext(Dispatchers.Default) {
+            val pemasukanCount = useCases.getTransactionTypeCount(TRANSACTION_TYPE.PEMASUKAN)
+            val pembelianCount = useCases.getTransactionTypeCount(TRANSACTION_TYPE.PEMBELIAN)
+            Pair(pemasukanCount, pembelianCount)
         }
     }
 }
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