fix: delete Sunday in week calendar

app/build.gradle.kts

@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Gleb Zaharov. License: GPLv3 (see LICENSE).
+// Copyright (c) 2026 Gleb Zaharov. License: GPLv3 (see LICENSE).
 
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
@@ -132,8 +132,6 @@ dependencies {
     implementation(libs.splitties.base)
     implementation(libs.splitties.room)
 
-    implementation(libs.compose)
-
     implementation(libs.sentry)
 
     implementation(libs.androidx.room.runtime)

app/src/main/java/ru/sweetbread/unn/ui/composes/Schedule.kt

@@ -1,4 +1,4 @@
-// Copyright (c) 2025 Gleb Zaharov. License: GPLv3 (see LICENSE).
+// Copyright (c) 2026 Gleb Zaharov. License: GPLv3 (see LICENSE).
 
 package ru.sweetbread.unn.ui.composes
 
@@ -9,16 +9,13 @@ import androidx.compose.foundation.Canvas
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.aspectRatio
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
-import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.LinearProgressIndicator
@@ -39,7 +36,6 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.graphics.RectangleShape
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
@@ -47,8 +43,6 @@ import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.zIndex
-import com.kizitonwose.calendar.compose.weekcalendar.rememberWeekCalendarState
-import com.kizitonwose.calendar.core.WeekDay
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
@@ -63,8 +57,6 @@ import ru.sweetbread.unn.api.ScheduleUnit
 import ru.sweetbread.unn.api.getScheduleDay
 import ru.sweetbread.unn.ui.theme.UNNTheme
 import splitties.resources.appStr
-import splitties.resources.appStrArray
-import java.time.DayOfWeek
 import java.time.LocalDate
 import java.time.LocalDateTime
 import java.time.LocalTime
@@ -75,77 +67,20 @@ import java.util.Calendar
 @Composable
 fun Schedule() {
     var selectedDate by remember { mutableStateOf(LocalDate.now()) }
-    val calendarState = rememberWeekCalendarState(
-        startDate = LocalDate.now(),
-        firstVisibleWeekDate = LocalDate.now(),
-        firstDayOfWeek = DayOfWeek.MONDAY
-    )
 
     Column {
-        Row(
+        BoundedWeekPicker(
             modifier = Modifier
                 .fillMaxWidth()
-                .padding(horizontal = 8.dp),
-            horizontalArrangement = Arrangement.SpaceEvenly
-        ) {
-            calendarState.firstVisibleWeek.days
-                .filter { it.date.dayOfWeek != DayOfWeek.SUNDAY }
-                .forEach { day ->
-                    DayItem (
-                        Modifier
-                            .weight(1f)
-                            .aspectRatio(1f)
-                            .padding(2.dp),
-                        day = day,
-                        isSelected = day.date == selectedDate,
-                        onClick = { selectedDate = day.date }
-                    )
-                }
-        }
+                .padding(vertical = 8.dp),
+            selectedDate = selectedDate,
+            onDateSelected = { selectedDate = it }
+        )
 
         ScheduleDay(date = selectedDate)
     }
 }
 
-@Composable
-private fun DayItem(
-    modifier: Modifier = Modifier,
-    day: WeekDay,
-    isSelected: Boolean,
-    onClick: () -> Unit
-) {
-    val isToday = day.date == LocalDate.now()
-
-    Box(
-        modifier = modifier
-            .background(
-                color = if (isSelected) MaterialTheme.colorScheme.inversePrimary
-                else MaterialTheme.colorScheme.surfaceContainer,
-                shape = if (isToday) CircleShape else RectangleShape
-            )
-            .clickable(
-                onClick = onClick,
-                enabled = !isSelected
-            ),
-        contentAlignment = Alignment.Center
-    ) {
-        Column (
-            horizontalAlignment = Alignment.CenterHorizontally
-        ) {
-            Text(
-                text = day.date.dayOfMonth.toString(),
-                fontWeight = if (isToday) FontWeight.Bold else null,
-                color = MaterialTheme.colorScheme.onSurface
-            )
-            Text(
-                text = appStrArray(R.array.short_weekdays)[day.date.dayOfWeek.value-1],
-                fontWeight = if (isToday) FontWeight.Bold else null,
-                color = MaterialTheme.colorScheme.onSurface
-            )
-        }
-    }
-}
-
 @Composable
 fun ScheduleDay(modifier: Modifier = Modifier, date: LocalDate) {
     val scope = rememberCoroutineScope()

app/src/main/java/ru/sweetbread/unn/ui/composes/Week.kt

@@ -0,0 +1,141 @@
+// Copyright (c) 2026 Gleb Zaharov. License: GPLv3 (see LICENSE).
+package ru.sweetbread.unn.ui.composes
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.pager.HorizontalPager
+import androidx.compose.foundation.pager.rememberPagerState
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import java.time.DayOfWeek
+import java.time.LocalDate
+import java.time.format.TextStyle
+import java.time.temporal.ChronoUnit
+import java.util.Locale
+
+
+@Composable
+fun BoundedWeekPicker(
+    modifier: Modifier = Modifier,
+    selectedDate: LocalDate,
+    onDateSelected: (LocalDate) -> Unit,
+    baseDate: LocalDate = LocalDate.now()
+) {
+    val rangeStart = remember(baseDate) {
+        baseDate
+            .with(DayOfWeek.MONDAY)
+            .minusWeeks(2)
+    }
+
+    val pageCount = 2 /* prev */ + 1 /* cur */ + 5 /* next */
+
+    fun pageIndexForDate(date: LocalDate): Int {
+        val weekStart = date.with(DayOfWeek.MONDAY)
+        return ChronoUnit.WEEKS.between(rangeStart, weekStart)
+            .toInt()
+            .coerceIn(0, pageCount - 1)
+    }
+
+    val initialPage = remember(selectedDate) { pageIndexForDate(selectedDate) }
+
+    val pagerState = rememberPagerState(
+        initialPage = initialPage,
+        pageCount = { pageCount }
+    )
+
+    LaunchedEffect(selectedDate) {
+        val targetPage = pageIndexForDate(selectedDate)
+        if (targetPage != pagerState.currentPage) {
+            pagerState.scrollToPage(targetPage)
+        }
+    }
+
+    HorizontalPager(
+        state = pagerState,
+        modifier = modifier,
+        beyondViewportPageCount = 1,
+        pageSpacing = 0.dp
+    ) { page ->
+        val weekStart = rangeStart.plusWeeks(page.toLong())
+        val days = List(6) { weekStart.plusDays(it.toLong()) }
+
+        WeekPage(
+            days = days,
+            selectedDate = selectedDate,
+            onDateSelected = onDateSelected
+        )
+    }
+}
+
+@Composable
+private fun WeekPage(
+    days: List<LocalDate>,
+    selectedDate: LocalDate,
+    onDateSelected: (LocalDate) -> Unit,
+    modifier: Modifier = Modifier
+) {
+    Row(
+        modifier = modifier.fillMaxWidth(),
+        horizontalArrangement = Arrangement.SpaceEvenly
+    ) {
+        days.forEach { date ->
+            DayItem(
+                date = date,
+                isSelected = date == selectedDate,
+                onClick = { onDateSelected(date) }
+            )
+        }
+    }
+}
+
+@Composable
+private fun DayItem(
+    date: LocalDate,
+    isSelected: Boolean,
+    onClick: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    val backgroundColor = if (isSelected) MaterialTheme.colorScheme.primary else Color.Transparent
+    val contentColor = if (isSelected) MaterialTheme.colorScheme.onPrimary else MaterialTheme.colorScheme.onSurface
+    val fontWeight = if (date == LocalDate.now()) FontWeight.ExtraBold else FontWeight.Normal
+
+    Box(
+        modifier = modifier
+            .size(56.dp)
+            .clip(CircleShape)
+            .background(backgroundColor)
+            .clickable(onClick = onClick),
+        contentAlignment = Alignment.Center
+    ) {
+        Column(horizontalAlignment = Alignment.CenterHorizontally) {
+            Text(
+                text = date.dayOfWeek.getDisplayName(TextStyle.SHORT, Locale.getDefault()),
+                style = MaterialTheme.typography.labelSmall,
+                color = contentColor,
+                fontWeight = fontWeight
+            )
+            Text(
+                text = date.dayOfMonth.toString(),
+                style = MaterialTheme.typography.bodyLarge,
+                color = contentColor,
+                fontWeight = fontWeight
+            )
+        }
+    }
+}