Merge pull request #25 from amirchi007/master

fix: prevent crash when flash sale expiry date is null or empty

Author: razaghimahdi

shared/src/commonMain/kotlin/presentation/ui/main/home/HomeScreen.kt

@@ -1,6 +1,7 @@
 package presentation.ui.main.home
 
 import androidx.compose.animation.Animatable
+import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.core.animateDpAsState
 import androidx.compose.animation.core.tween
 import androidx.compose.foundation.Image
@@ -67,6 +68,7 @@ import presentation.theme.DefaultCardColorsTheme
 import presentation.theme.PagerDotColor
 import presentation.ui.main.home.view_model.HomeEvent
 import presentation.ui.main.home.view_model.HomeState
+import presentation.util.toLocalDateTimeOrNull
 import shoping_by_kmp.shared.generated.resources.Res
 import shoping_by_kmp.shared.generated.resources.bell
 import shoping_by_kmp.shared.generated.resources.category
@@ -278,27 +280,30 @@ fun HomeScreen(
 
                 Spacer_16dp()
 
-
-                Row(
-                    modifier = Modifier.fillMaxWidth().padding(16.dp),
-                    verticalAlignment = Alignment.CenterVertically,
-                    horizontalArrangement = Arrangement.Start
-                ) {
+                AnimatedVisibility(visible = state.home.flashSale.expiredAt.toLocalDateTimeOrNull() != null) {
                     Row(
+                        modifier = Modifier.fillMaxWidth().padding(16.dp),
                         verticalAlignment = Alignment.CenterVertically,
-                        horizontalArrangement = Arrangement.spacedBy(8.dp)
+                        horizontalArrangement = Arrangement.Start
                     ) {
-                        Text(
-                            stringResource(Res.string.flash_sale),
-                            style = MaterialTheme.typography.titleLarge
-                        )
-                        TimerBox(state = state)
+                        Row(
+                            verticalAlignment = Alignment.CenterVertically,
+                            horizontalArrangement = Arrangement.spacedBy(8.dp)
+                        ) {
+                            Text(
+                                stringResource(Res.string.flash_sale),
+                                style = MaterialTheme.typography.titleLarge
+                            )
+
+                            TimerBox(state = state)
+
+                        }
+                        /* Text(
+                             "See All",
+                             style = MaterialTheme.typography.labelMedium,
+                             color = MaterialTheme.colorScheme.primary
+                         )*/
                     }
-                    /* Text(
-                         "See All",
-                         style = MaterialTheme.typography.labelMedium,
-                         color = MaterialTheme.colorScheme.primary
-                     )*/
                 }
 
                 LazyRow(
@@ -393,6 +398,7 @@ fun HomeScreen(
 
 @Composable
 fun TimerBox(state: HomeState) {
+
     Row(
         modifier = Modifier,
         verticalAlignment = Alignment.CenterVertically,

shared/src/commonMain/kotlin/presentation/ui/main/home/view_model/HomeState.kt

@@ -2,8 +2,6 @@ package presentation.ui.main.home.view_model
 
 import business.core.NetworkState
 import business.core.ProgressBarState
-import business.core.Queue
-import business.core.UIComponent
 import business.core.ViewState
 import business.domain.main.Home
 import kotlinx.datetime.Clock

shared/src/commonMain/kotlin/presentation/ui/main/home/view_model/HomeViewModel.kt

@@ -4,9 +4,10 @@ import business.core.BaseViewModel
 import business.core.NetworkState
 import business.interactors.main.HomeUseCase
 import business.interactors.main.LikeUseCase
-import kotlinx.datetime.Instant
+import kotlinx.datetime.Clock
 import kotlinx.datetime.TimeZone
 import kotlinx.datetime.toLocalDateTime
+import presentation.util.toLocalDateTimeOrNull
 
 class HomeViewModel(
     private val homeUseCase: HomeUseCase,
@@ -133,9 +134,13 @@ class HomeViewModel(
     private fun getHome() {
         executeUseCase(homeUseCase.execute(Unit), onSuccess = {
             it?.let {
-                val currentDateTime =
-                    Instant.parse(it.flashSale.expiredAt).toLocalDateTime(TimeZone.UTC)
-                setState { copy(home = it, time = currentDateTime) }
+                val dateTime = it.flashSale.expiredAt.toLocalDateTimeOrNull()
+                setState {
+                    copy(
+                        home = it,
+                        time = dateTime ?: Clock.System.now().toLocalDateTime(TimeZone.UTC)
+                    )
+                }
             }
         }, onLoading = {
             setState { copy(progressBarState = it) }

shared/src/commonMain/kotlin/presentation/util/DateTimeConverter.kt

@@ -0,0 +1 @@
+package presentation.utilimport kotlinx.datetime.Instantimport kotlinx.datetime.LocalDateTimeimport kotlinx.datetime.TimeZoneimport kotlinx.datetime.toLocalDateTimefun String?.toLocalDateTimeOrNull(): LocalDateTime? {    return if (!this.isNullOrBlank()) {        try {            Instant.parse(this).toLocalDateTime(TimeZone.UTC)        } catch (e: Exception) {            null        }    } else null}/** * Converts a nullable ISO-8601 formatted string to a [LocalDateTime] (UTC timezone). * Returns `null` if: * - The input is `null`/blank, or * - Parsing fails (e.g., invalid format). * * Note: Consider logging parse failures in debug mode if invalid inputs are unexpected. * Example valid input: "2024-01-01T12:00:00Z". */