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Balance After Planned Payments #2820

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Nov 16, 2023
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Balance After Planned Payments #2820

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26 changes: 19 additions & 7 deletions screen-balance/src/main/java/com/ivy/balance/BalanceViewModel.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -3,14 +3,15 @@ package com.ivy.balance
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.mutableDoubleStateOf
import androidx.compose.runtime.mutableIntStateOf
import androidx.compose.runtime.mutableStateOf
import androidx.lifecycle.viewModelScope
import com.ivy.domain.ComposeViewModel
import com.ivy.legacy.data.model.TimePeriod
import com.ivy.legacy.utils.ioThread
import com.ivy.wallet.domain.action.settings.BaseCurrencyAct
import com.ivy.wallet.domain.action.wallet.CalcWalletBalanceAct
import com.ivy.wallet.domain.deprecated.logic.PlannedPaymentsLogic
import com.ivy.legacy.utils.ioThread
import dagger.hilt.android.lifecycle.HiltViewModel
import kotlinx.coroutines.launch
import javax.inject.Inject
Expand All @@ -28,6 +29,7 @@ class BalanceViewModel @Inject constructor(
private val currentBalance = mutableDoubleStateOf(0.0)
private val plannedPaymentsAmount = mutableDoubleStateOf(0.0)
private val balanceAfterPlannedPayments = mutableDoubleStateOf(0.0)
private val numberOfMonthsAhead = mutableIntStateOf(1)

@Composable
override fun uiState(): BalanceState {
Expand All @@ -52,7 +54,9 @@ class BalanceViewModel @Inject constructor(
}
}

private fun start(timePeriod: TimePeriod = ivyContext.selectedPeriod) {
private fun start(
timePeriod: TimePeriod = ivyContext.selectedPeriod
) {
viewModelScope.launch {
baseCurrencyCode.value = baseCurrencyAct(Unit)
period.value = timePeriod
Expand All @@ -64,32 +68,40 @@ class BalanceViewModel @Inject constructor(
plannedPaymentsAmount.doubleValue = ioThread {
plannedPaymentsLogic.plannedPaymentsAmountFor(
timePeriod.toRange(ivyContext.startDayOfMonth)
) // + positive if Income > Expenses else - negative
// + positive if Income > Expenses else - negative
) * if (numberOfMonthsAhead.intValue >= 0) {
numberOfMonthsAhead.intValue.toDouble()
} else {
1.0
}
}
balanceAfterPlannedPayments.doubleValue = currentBalance.doubleValue + plannedPaymentsAmount.doubleValue
balanceAfterPlannedPayments.doubleValue =
currentBalance.doubleValue + plannedPaymentsAmount.doubleValue
}
}

private fun setPeriod(timePeriod: com.ivy.legacy.data.model.TimePeriod) {
private fun setPeriod(timePeriod: TimePeriod) {
start(timePeriod = timePeriod)
}

private fun nextMonth() {
val month = period.value.month
val year = period.value.year ?: com.ivy.legacy.utils.dateNowUTC().year
numberOfMonthsAhead.intValue += 1
if (month != null) {
start(
timePeriod = month.incrementMonthPeriod(ivyContext, 1L, year = year),
timePeriod = month.incrementMonthPeriod(ivyContext, 1L, year = year)
)
}
}

private fun previousMonth() {
val month = period.value.month
val year = period.value.year ?: com.ivy.legacy.utils.dateNowUTC().year
numberOfMonthsAhead.intValue -= 1
if (month != null) {
start(
timePeriod = month.incrementMonthPeriod(ivyContext, -1L, year = year),
timePeriod = month.incrementMonthPeriod(ivyContext, -1L, year = year)
)
}
}
Expand Down