Connect the manual CSV import screen

app/src/main/java/com/ivy/wallet/ui/RootActivity.kt

@@ -54,6 +54,7 @@ import com.ivy.wallet.ui.balance.BalanceScreen
 import com.ivy.wallet.ui.budget.BudgetScreen
 import com.ivy.wallet.ui.category.CategoriesScreen
 import com.ivy.wallet.ui.charts.ChartsScreen
+import com.ivy.wallet.ui.csv.CSVScreen
 import com.ivy.wallet.ui.csvimport.ImportCSVScreen
 import com.ivy.wallet.ui.donate.DonateScreen
 import com.ivy.wallet.ui.edit.EditTransactionScreen
@@ -218,6 +219,7 @@ class RootActivity : AppCompatActivity() {
             is ImagesScreen -> ImagesScreen(screen = screen)
             is ExperimentalScreen -> ExperimentalScreen(screen = screen)
             is DonateScreen -> DonateScreen(screen = screen)
+            is CSVScreen -> CSVScreen()
             null -> {
             }
         }

app/src/main/java/com/ivy/wallet/ui/Screens.kt

@@ -12,6 +12,8 @@ object Onboarding : Screen
 
 object ServerStop : Screen
 
+object CSVScreen : Screen
+
 data class EditTransaction(
     val initialTransactionId: UUID?,
     val type: TransactionType,

app/src/main/java/com/ivy/wallet/ui/csv/CSVScreen.kt

@@ -57,7 +57,9 @@ private fun UI(
             spacer8()
             csvTable(state.csv)
         }
-
+        if (state.columns != null && state.important != null) {
+            important(state.columns, importantFields = state.important, onEvent = onEvent)
+        }
     }
 }
 
@@ -96,7 +98,7 @@ fun Spacer8(horizontal: Boolean = false) {
 private fun LazyListScope.csvTable(
     csv: List<CSVRow>
 ) {
-    itemsIndexed(items = csv) { index, row ->
+    itemsIndexed(items = csv.take(10)) { index, row ->
         CSVRow(row = row, header = index == 0, even = index % 2 == 0)
     }
 }

app/src/main/java/com/ivy/wallet/ui/csv/CSVState.kt

@@ -1,13 +1,13 @@
 package com.ivy.wallet.ui.csv
 
 data class CSVState(
-    val columns: CSVRow,
+    val columns: CSVRow?,
     val csv: List<CSVRow>?,
     val important: ImportantFields?,
     val transfer: TransferFields?,
     val optional: OptionalFields?,
 
-    val successPercent: Double,
+    val successPercent: Double?,
     val failedRows: List<CSVRow>?,
 )
 

app/src/main/java/com/ivy/wallet/ui/csv/CSVViewModel.kt

@@ -1,27 +1,94 @@
 package com.ivy.wallet.ui.csv
 
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
+import com.ivy.wallet.domain.deprecated.logic.csv.CSVNormalizer
+import com.ivy.wallet.domain.deprecated.logic.csv.IvyFileReader
+import com.opencsv.CSVReaderBuilder
+import com.opencsv.validators.LineValidator
+import com.opencsv.validators.RowValidator
 import dagger.hilt.android.lifecycle.HiltViewModel
-import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableSharedFlow
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.io.StringReader
 import javax.inject.Inject
 
 @HiltViewModel
 class CSVViewModel @Inject constructor(
-
+    private val fileReader: IvyFileReader,
 ) : ViewModel() {
 
+    private var columns by mutableStateOf<CSVRow?>(null)
+    private var csv by mutableStateOf<List<CSVRow>?>(null)
+    private var important by mutableStateOf<ImportantFields?>(null)
+    private var transfer by mutableStateOf<TransferFields?>(null)
+    private var optional by mutableStateOf<OptionalFields?>(null)
+    private var successPercent by mutableStateOf<Double?>(null)
+    private var failedRows by mutableStateOf<List<CSVRow>?>(null)
+
     @Composable
-    fun uiState(): CSVState = TODO()
+    fun uiState(): CSVState = CSVState(
+        columns = columns,
+        csv = csv,
+        important = important,
+        transfer = transfer,
+        optional = optional,
+        successPercent = successPercent,
+        failedRows = failedRows,
+    )
 
 
     private suspend fun handleEvent(event: CSVEvent) {
+        when (event) {
+            is CSVEvent.FilePicked -> handleFilePicked(event)
+            is CSVEvent.AmountMultiplier -> TODO()
+            is CSVEvent.DataMetaChange -> TODO()
+            is CSVEvent.MapAccount -> TODO()
+            is CSVEvent.MapAccountCurrency -> TODO()
+            is CSVEvent.MapAmount -> TODO()
+            is CSVEvent.MapDate -> TODO()
+            is CSVEvent.MapType -> TODO()
+            is CSVEvent.TypeMetaChange -> TODO()
+        }
+    }
+
+    private suspend fun handleFilePicked(event: CSVEvent.FilePicked) = withContext(Dispatchers.IO) {
+        val fileContent = fileReader.read(event.uri, Charsets.UTF_8) ?: return@withContext
+        csv = parseCSV(fileContent).takeIf { it.isNotEmpty() }
+    }
+
+    private suspend fun parseCSV(csv: String): List<CSVRow> {
+        val csvReader = CSVReaderBuilder(StringReader(csv))
+            .withSkipLines(1)
+            .withLineValidator(object : LineValidator {
+                override fun isValid(line: String?): Boolean {
+                    return true
+                }
+
+                override fun validate(line: String?) {
+                    //do nothing
+                }
+
+            })
+            .withRowValidator(object : RowValidator {
+                override fun isValid(row: Array<out String>?): Boolean {
+                    return true
+                }
+
+                override fun validate(row: Array<out String>?) {
+                    //do nothing
+                }
+            })
+            .build()
 
+        return csvReader.readAll()
+            .map { CSVRow(it.toList()) }
     }
 
 

app/src/main/java/com/ivy/wallet/ui/csvimport/flow/ImportFrom.kt

@@ -7,6 +7,7 @@ import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
+import androidx.compose.material.Button
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
@@ -24,7 +25,9 @@ import com.ivy.design.l0_system.style
 import com.ivy.frp.view.navigation.navigation
 import com.ivy.wallet.R
 import com.ivy.wallet.domain.deprecated.logic.csv.model.ImportType
+import com.ivy.wallet.ui.CSVScreen
 import com.ivy.wallet.ui.IvyWalletPreview
+import com.ivy.wallet.ui.ivyWalletCtx
 import com.ivy.wallet.ui.onboarding.components.OnboardingToolbar
 import com.ivy.wallet.ui.theme.components.GradientCutBottom
 import com.ivy.wallet.ui.theme.components.IvyIcon
@@ -55,6 +58,22 @@ fun BoxWithConstraintsScope.ImportFrom(
             //onboarding toolbar include paddingBottom 16.dp
         }
 
+        item {
+            Spacer(Modifier.height(8.dp))
+            val nav = navigation()
+            Button(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .height(64.dp)
+                    .padding(horizontal = 16.dp),
+                onClick = {
+                    nav.navigateTo(CSVScreen)
+                }
+            ) {
+                Text(text = "Manual CSV import")
+            }
+        }
+
         item {
             Spacer(Modifier.height(8.dp))
 

app/src/main/java/com/ivy/wallet/ui/csvimport/flow/ImportResultUI.kt

@@ -1,6 +1,7 @@
 package com.ivy.wallet.ui.csvimport.flow
 
 import androidx.compose.foundation.layout.*
+import androidx.compose.material.Button
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
@@ -14,6 +15,7 @@ import com.ivy.design.l0_system.style
 import com.ivy.frp.view.navigation.navigation
 import com.ivy.wallet.R
 import com.ivy.wallet.domain.deprecated.logic.csv.model.ImportResult
+import com.ivy.wallet.ui.CSVScreen
 import com.ivy.wallet.ui.IvyWalletPreview
 import com.ivy.wallet.ui.theme.*
 import com.ivy.wallet.ui.theme.components.BackButton
@@ -139,7 +141,10 @@ fun ImportResultUI(
 
         Text(
             modifier = Modifier.padding(horizontal = 32.dp),
-            text = stringResource(R.string.rows_from_csv_not_recognized, result.rowsFound - result.transactionsImported),
+            text = stringResource(
+                R.string.rows_from_csv_not_recognized,
+                result.rowsFound - result.transactionsImported
+            ),
             style = UI.typo.nB2.style(
                 fontWeight = FontWeight.Bold,
                 color = Gray
@@ -148,6 +153,27 @@ fun ImportResultUI(
 
         //TODO: Implement "See failed imports"
 
+        Spacer(modifier = Modifier.height(16.dp))
+        Text(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp),
+            text = "If this didn't work, Try manual CSV import.",
+            color = UI.colors.pureInverse,
+        )
+        Spacer(modifier = Modifier.height(8.dp))
+        Button(
+            modifier = Modifier
+                .fillMaxWidth()
+                .height(52.dp)
+                .padding(horizontal = 16.dp),
+            onClick = {
+                nav.navigateTo(CSVScreen)
+            }
+        ) {
+            Text(text = "Manual CSV import")
+        }
+
         Spacer(Modifier.weight(1f))
 
         OnboardingButton(