feat(stats): implement showing last year stats in a line chart

app/src/main/java/org/nsh07/pomodoro/ui/statsScreen/StatsScreen.kt

@@ -78,34 +78,18 @@ fun StatsScreenRoot(
     val lastMonthSummaryChartData by viewModel.lastMonthSummaryChartData.collectAsStateWithLifecycle()
     val lastMonthAnalysisValues by viewModel.lastMonthAverageFocusTimes.collectAsStateWithLifecycle()
 
-    val lastWeekSummaryAnalysisModelProducer = remember { CartesianChartModelProducer() }
-    val lastMonthSummaryAnalysisModelProducer = remember { CartesianChartModelProducer() }
-
-    LaunchedEffect(lastWeekAnalysisValues) {
-        lastWeekSummaryAnalysisModelProducer.runTransaction {
-            columnSeries {
-                series(lastWeekAnalysisValues)
-            }
-        }
-    }
-
-    LaunchedEffect(lastMonthAnalysisValues) {
-        lastMonthSummaryAnalysisModelProducer.runTransaction {
-            columnSeries {
-                series(lastMonthAnalysisValues)
-            }
-        }
-    }
+    val lastYearSummaryChartData by viewModel.lastYearSummaryChartData.collectAsStateWithLifecycle()
+    val lastYearAnalysisValues by viewModel.lastYearAverageFocusTimes.collectAsStateWithLifecycle()
 
     StatsScreen(
         contentPadding = contentPadding,
         lastWeekSummaryChartData = lastWeekSummaryChartData,
-        lastWeekSummaryAnalysisModelProducer = lastWeekSummaryAnalysisModelProducer,
         lastMonthSummaryChartData = lastMonthSummaryChartData,
-        lastMonthSummaryAnalysisModelProducer = lastMonthSummaryAnalysisModelProducer,
+        lastYearSummaryChartData = lastYearSummaryChartData,
         todayStat = todayStat,
         lastWeekAverageFocusTimes = lastWeekAnalysisValues,
         lastMonthAverageFocusTimes = lastMonthAnalysisValues,
+        lastYearAverageFocusTimes = lastYearAnalysisValues,
         modifier = modifier
     )
 }
@@ -115,12 +99,12 @@ fun StatsScreenRoot(
 fun StatsScreen(
     contentPadding: PaddingValues,
     lastWeekSummaryChartData: Pair<CartesianChartModelProducer, ExtraStore.Key<List<String>>>,
-    lastWeekSummaryAnalysisModelProducer: CartesianChartModelProducer,
     lastMonthSummaryChartData: Pair<CartesianChartModelProducer, ExtraStore.Key<List<String>>>,
-    lastMonthSummaryAnalysisModelProducer: CartesianChartModelProducer,
+    lastYearSummaryChartData: Pair<CartesianChartModelProducer, ExtraStore.Key<List<String>>>,
     todayStat: Stat?,
     lastWeekAverageFocusTimes: List<Int>,
     lastMonthAverageFocusTimes: List<Int>,
+    lastYearAverageFocusTimes: List<Int>,
     modifier: Modifier = Modifier
 ) {
     val scrollBehavior = TopAppBarDefaults.enterAlwaysScrollBehavior()
@@ -128,6 +112,25 @@ fun StatsScreen(
     var lastWeekStatExpanded by rememberSaveable { mutableStateOf(false) }
     var lastMonthStatExpanded by rememberSaveable { mutableStateOf(false) }
 
+    val lastWeekSummaryAnalysisModelProducer = remember { CartesianChartModelProducer() }
+    val lastMonthSummaryAnalysisModelProducer = remember { CartesianChartModelProducer() }
+
+    LaunchedEffect(lastWeekAverageFocusTimes) {
+        lastWeekSummaryAnalysisModelProducer.runTransaction {
+            columnSeries {
+                series(lastWeekAverageFocusTimes)
+            }
+        }
+    }
+
+    LaunchedEffect(lastMonthAverageFocusTimes) {
+        lastMonthSummaryAnalysisModelProducer.runTransaction {
+            columnSeries {
+                series(lastMonthAverageFocusTimes)
+            }
+        }
+    }
+
     Column(
         horizontalAlignment = Alignment.CenterHorizontally,
         modifier = modifier.nestedScroll(scrollBehavior.nestedScrollConnection)
@@ -371,8 +374,51 @@ fun StatsScreen(
                         modifier = Modifier.padding(horizontal = 32.dp)
                     )
                 }
-                Spacer(Modifier.height(16.dp))
             }
+            item { Spacer(Modifier) }
+            item {
+                Text(
+                    stringResource(R.string.last_year),
+                    style = typography.headlineSmall,
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(horizontal = 16.dp)
+                )
+            }
+            item {
+                Row(
+                    verticalAlignment = Alignment.Bottom,
+                    horizontalArrangement = Arrangement.spacedBy(8.dp),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(horizontal = 16.dp)
+                ) {
+                    Text(
+                        millisecondsToHoursMinutes(
+                            remember(lastYearAverageFocusTimes) {
+                                lastYearAverageFocusTimes.sum().toLong()
+                            }
+                        ),
+                        style = typography.displaySmall,
+                        fontFamily = openRundeClock
+                    )
+                    Text(
+                        text = stringResource(R.string.focus_per_day_avg),
+                        style = typography.titleSmall,
+                        modifier = Modifier.padding(bottom = 6.3.dp)
+                    )
+                }
+            }
+            item {
+                TimeLineChart(
+                    lastYearSummaryChartData.first,
+                    modifier = Modifier.padding(start = 16.dp),
+                    xValueFormatter = CartesianValueFormatter { context, x, _ ->
+                        context.model.extraStore[lastYearSummaryChartData.second][x.toInt()]
+                    }
+                )
+            }
+            item { Spacer(Modifier.height(16.dp)) }
         }
     }
 }
@@ -398,11 +444,11 @@ fun StatsScreenPreview() {
     StatsScreen(
         PaddingValues(),
         Pair(modelProducer, keys),
-        modelProducer,
         Pair(modelProducer, keys),
-        modelProducer,
+        Pair(modelProducer, keys),
         null,
         listOf(0, 0, 0, 0),
+        listOf(0, 0, 0, 0),
         listOf(0, 0, 0, 0)
     )
 }

app/src/main/java/org/nsh07/pomodoro/ui/statsScreen/TimeLineChart.kt

@@ -49,7 +49,7 @@ import org.nsh07.pomodoro.utils.millisecondsToMinutes
 
 @OptIn(ExperimentalMaterial3ExpressiveApi::class)
 @Composable
-internal fun TimeLineChart(
+fun TimeLineChart(
     modelProducer: CartesianChartModelProducer,
     modifier: Modifier = Modifier,
     thickness: Float = 2f,

app/src/main/java/org/nsh07/pomodoro/ui/statsScreen/viewModel/StatsViewModel.kt

@@ -15,6 +15,7 @@ import androidx.lifecycle.viewmodel.initializer
 import androidx.lifecycle.viewmodel.viewModelFactory
 import com.patrykandpatrick.vico.core.cartesian.data.CartesianChartModelProducer
 import com.patrykandpatrick.vico.core.cartesian.data.columnSeries
+import com.patrykandpatrick.vico.core.cartesian.data.lineSeries
 import com.patrykandpatrick.vico.core.common.data.ExtraStore
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
@@ -23,6 +24,7 @@ import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
 import org.nsh07.pomodoro.TomatoApplication
 import org.nsh07.pomodoro.data.StatRepository
+import java.time.format.DateTimeFormatter
 import java.time.format.TextStyle
 import java.util.Locale
 
@@ -34,9 +36,12 @@ class StatsViewModel(
 
     private val lastWeekSummary =
         Pair(CartesianChartModelProducer(), ExtraStore.Key<List<String>>())
-
     private val lastMonthSummary =
         Pair(CartesianChartModelProducer(), ExtraStore.Key<List<String>>())
+    private val lastYearSummary =
+        Pair(CartesianChartModelProducer(), ExtraStore.Key<List<String>>())
+
+    private val yearDayFormatter = DateTimeFormatter.ofPattern("d MMM")
 
     val lastWeekSummaryChartData: StateFlow<Pair<CartesianChartModelProducer, ExtraStore.Key<List<String>>>> =
         statRepository.getLastNDaysStatsSummary(7)
@@ -112,6 +117,40 @@ class StatsViewModel(
                 initialValue = listOf(0, 0, 0, 0)
             )
 
+    val lastYearSummaryChartData: StateFlow<Pair<CartesianChartModelProducer, ExtraStore.Key<List<String>>>> =
+        statRepository.getLastNDaysStatsSummary(365)
+            .map { list ->
+                val reversed = list.reversed()
+                val keys = reversed.map { it.date.format(yearDayFormatter) }
+                val values = reversed.map { it.focusTime }
+                lastYearSummary.first.runTransaction {
+                    lineSeries { series(values) }
+                    extras { it[lastYearSummary.second] = keys }
+                }
+                lastYearSummary
+            }
+            .stateIn(
+                scope = viewModelScope,
+                started = SharingStarted.WhileSubscribed(5000),
+                initialValue = lastYearSummary
+            )
+
+    val lastYearAverageFocusTimes: StateFlow<List<Int>> =
+        statRepository.getLastNDaysAverageFocusTimes(365)
+            .map {
+                listOf(
+                    it?.focusTimeQ1?.toInt() ?: 0,
+                    it?.focusTimeQ2?.toInt() ?: 0,
+                    it?.focusTimeQ3?.toInt() ?: 0,
+                    it?.focusTimeQ4?.toInt() ?: 0
+                )
+            }
+            .stateIn(
+                scope = viewModelScope,
+                started = SharingStarted.WhileSubscribed(5000),
+                initialValue = listOf(0, 0, 0, 0)
+            )
+
     companion object {
         val Factory: ViewModelProvider.Factory = viewModelFactory {
             initializer {

app/src/main/res/values/strings.xml

@@ -56,4 +56,5 @@
     <string name="up_next">Up next</string>
     <string name="timer">Timer</string>
     <string name="timer_progress">Timer progress</string>
+    <string name="last_year">Last year</string>
 </resources>