Осталось дизайн получше сделать

app/src/main/java/com/example/mobileapp/api/ServerService.kt

@@ -1,6 +1,7 @@
 package com.example.mobileapp.api
 
 import com.example.mobileapp.api.model.MailRemote
+import com.example.mobileapp.api.model.ReportRemote
 import com.example.mobileapp.api.model.StoryRemote
 import com.example.mobileapp.api.model.UserRemote
 import com.example.mobileapp.api.model.UserRemoteSignIn
@@ -105,6 +106,13 @@ interface ServerService {
         @Path("id") id: Int
     )
 
+    //REPORT
+    @GET("report/createReport/{dateFrom}/{dateTo}")
+    suspend fun createReport(
+        @Path("dateFrom") dateFrom: Long,
+        @Path("dateTo") dateTo: Long
+    ): ReportRemote
+
     //INSTANCE
     companion object {
         private const val BASE_URL = "https://7hz21fz1-8080.euw.devtunnels.ms/api/"

app/src/main/java/com/example/mobileapp/api/model/ReportRemote.kt

@@ -2,9 +2,11 @@ package com.example.mobileapp.api.model
 
 import kotlinx.serialization.Serializable
 
-/*
 @Serializable
 data class ReportRemote(
-
+    val dateFrom: Long,
+    val dateTo: Long,
+    val postCount: Int,
+    val mostPostAuthor: String,
+    val mostPostCount: Int
 )
-*/

app/src/main/java/com/example/mobileapp/api/repository/RestReportRepository.kt

@@ -1,8 +1,9 @@
 package com.example.mobileapp.api.repository
 
 import com.example.mobileapp.api.ServerService
+import com.example.mobileapp.api.model.ReportRemote
 import com.example.mobileapp.database.repositories.ReportRepository
 
 class RestReportRepository(private var service: ServerService): ReportRepository {
-
+    override suspend fun createReport(dateFrom: Long, dateTo: Long): ReportRemote = service.createReport(dateFrom, dateTo)
 }

app/src/main/java/com/example/mobileapp/components/InputContent.kt

@@ -1,5 +1,8 @@
 package com.example.mobileapp.components
 
+import android.app.DatePickerDialog
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -19,15 +22,21 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.input.PasswordVisualTransformation
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import com.example.mobileapp.ui.theme.ButtonColor2
 import com.example.mobileapp.ui.theme.MobileAppTheme
+import java.text.SimpleDateFormat
+import java.util.Calendar
+import java.util.Locale
 
 val buttonHeightStandard = 72.dp
 
@@ -163,6 +172,52 @@ fun ActiveButton(label: String, backgroundColor: Color, textColor: Color, onClic
     }
 }
 
+@Composable
+fun DatePicker(startValue: Long? = null, onDateSelected: (Long) -> Unit) {
+    val context = LocalContext.current
+
+    val calendar = Calendar.getInstance()
+    val year = calendar.get(Calendar.YEAR)
+    val month = calendar.get(Calendar.MONTH)
+    val day = calendar.get(Calendar.DAY_OF_MONTH)
+
+    val dateFormatter = remember { SimpleDateFormat("dd.MM.yyyy", Locale.getDefault()) }
+    val selectedDate = remember { mutableStateOf<Long>(0) }
+
+    startValue?.let {
+        selectedDate.value = startValue
+    }
+
+    val datePickerDialog = remember { mutableStateOf(DatePickerDialog(context)) }
+
+    Column(
+        modifier = Modifier
+            .fillMaxWidth(),
+        verticalArrangement = Arrangement.Center,
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        Text(text = "Selected Date: ${dateFormatter.format(selectedDate.value)}")
+        ActiveButton(label = "Выбрать дату", backgroundColor = ButtonColor2,
+            textColor = Color.White, onClickAction = {
+                datePickerDialog.value = DatePickerDialog(
+                    context,
+                    { _, year: Int, month: Int, dayOfMonth: Int ->
+                        val selectedDateInMillis = Calendar.getInstance().apply {
+                            set(year, month, dayOfMonth)
+                        }.timeInMillis
+
+                        selectedDate.value = selectedDateInMillis
+                        onDateSelected(selectedDateInMillis)
+                    },
+                    year,
+                    month,
+                    day
+                )
+                datePickerDialog.value.show()
+        })
+    }
+}
+
 @Preview(showBackground = true)
 @Composable
 fun PlaceholderTextFieldPreview() {

app/src/main/java/com/example/mobileapp/components/ListContent.kt

@@ -281,7 +281,7 @@ fun addNewListItem(navController: NavHostController, destination: String){
             },
         shape = RoundedCornerShape(15.dp),
         colors = CardDefaults.cardColors(
-            containerColor = BackgroundItem2
+            containerColor = Color.White
         ),
         elevation = CardDefaults.cardElevation(
             defaultElevation = 8.dp
@@ -304,7 +304,9 @@ fun addNewListItem(navController: NavHostController, destination: String){
                     text = "Добавить",
                     fontSize = 28.sp,
                     fontWeight = FontWeight.Bold,
-                    modifier = Modifier.padding(start = 32.dp))
+                    modifier = Modifier.padding(start = 32.dp),
+                    color = Color.Black
+                )
             }
         }
     }

app/src/main/java/com/example/mobileapp/components/NavigationBar.kt

@@ -22,6 +22,7 @@ import androidx.compose.material3.TopAppBar
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.painterResource
@@ -53,8 +54,9 @@ import com.example.mobileapp.screens.StoryViewScreen
 val navBarItems = listOf(
     NavBarItem(route = "main", label = "Главная", icon = R.drawable.home),
     NavBarItem(route = "story", label = "Создание", icon = R.drawable.edit),
-    NavBarItem(route = "mail", label = "Уведомления", icon = R.drawable.mail),
+    NavBarItem(route = "mail", label = "Почта", icon = R.drawable.mail),
-    NavBarItem(route = "settings", label = "Настройки", icon = R.drawable.settings),
+    NavBarItem(route = "report", label = "Отчёт", icon = R.drawable.report),
+    NavBarItem(route = "settings", label = "Настройки", icon = R.drawable.settings)
 )
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -69,8 +71,10 @@ fun NavBar(navController: NavHostController) {
                 visible = topBarState.value,
                 enter = slideInVertically(initialOffsetY = { it }),
                 exit = slideOutVertically(targetOffsetY = { it }),
+
                 content = {
                     TopAppBar(
+                        modifier = Modifier.fillMaxWidth(),
                         title = {
                             Text(
                                 text = "Storyteller!",
@@ -79,7 +83,8 @@ fun NavBar(navController: NavHostController) {
                                     Font(
                                         R.font.roboto_regular, FontWeight.Bold
                                     )
-                                )
+                                ),
+                                color = Color.Black
                             )
                         }
                     )
@@ -204,8 +209,8 @@ fun NavBar(navController: NavHostController) {
             }
             composable("report"){
                 topBarState.value = false
-                bottomBarState.value = false
+                bottomBarState.value = true
-                ReportScreen(navController = navController)
+                ReportScreen()
             }
         }
     }

app/src/main/java/com/example/mobileapp/database/repositories/ReportRepository.kt

@@ -1,4 +1,7 @@
 package com.example.mobileapp.database.repositories
 
+import com.example.mobileapp.api.model.ReportRemote
+
 interface ReportRepository {
+    suspend fun createReport(dateFrom: Long, dateTo: Long): ReportRemote
 }

app/src/main/java/com/example/mobileapp/database/viewmodels/ReportViewModel.kt

@@ -1,7 +1,22 @@
 package com.example.mobileapp.database.viewmodels
 
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.mobileapp.api.model.ReportRemote
 import com.example.mobileapp.database.repositories.ReportRepository
+import kotlinx.coroutines.launch
 
 class ReportViewModel(private val reportRepository: ReportRepository): ViewModel() {
+    private var _report = mutableStateOf<ReportRemote?>(null)
+    val report: MutableState<ReportRemote?> get() = _report
+
+    fun createReport(dateFrom: Long, dateTo: Long) = viewModelScope.launch {
+        _report.value = reportRepository.createReport(dateFrom, dateTo)
+    }
+
+    fun clearReport(){
+        _report.value = null
+    }
 }

app/src/main/java/com/example/mobileapp/screens/ReportScreen.kt

@@ -1,21 +1,59 @@
 package com.example.mobileapp.screens
 
+import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavController
+import com.example.mobileapp.components.ActiveButton
+import com.example.mobileapp.components.DatePicker
 import com.example.mobileapp.database.viewmodels.MobileAppViewModelProvider
 import com.example.mobileapp.database.viewmodels.ReportViewModel
+import com.example.mobileapp.ui.theme.ButtonColor2
+import java.text.SimpleDateFormat
+import java.util.Date
 
 @Composable
-fun ReportScreen(navController: NavController,
+fun ReportScreen(
     reportViewModel: ReportViewModel = viewModel(factory = MobileAppViewModelProvider.Factory)){
+    val dateFormat = SimpleDateFormat("dd.MM.yyyy")
+
+    val dateFrom = remember { mutableStateOf(Date().time) }
+    val dateTo = remember { mutableStateOf(Date().time) }
+
     Column(
         modifier = Modifier
-            .fillMaxWidth()
+            .fillMaxWidth(),
+        verticalArrangement = Arrangement.Center
     ) {
-
+        if(reportViewModel.report.value == null) {
+            DatePicker(startValue = dateFrom.value, onDateSelected = { newDateFrom ->
+                dateFrom.value = newDateFrom
+            })
+            DatePicker(startValue = dateTo.value, onDateSelected = { newDateTo ->
+                dateTo.value = newDateTo
+            })
+            ActiveButton(label = "Сформировать", backgroundColor = ButtonColor2,
+                textColor = Color.White, onClickAction = {
+                    reportViewModel.createReport(dateFrom.value, dateTo.value)
+                })
+        }
+        else{
+            Text(text = "Дата с ${dateFormat.format(reportViewModel.report.value?.dateFrom?.let { Date(it) })}")
+            Text(text = "Дата по ${dateFormat.format(reportViewModel.report.value?.dateTo?.let { Date(it) })}")
+            Text(text = "Кол-в публикаций за период: ${reportViewModel.report.value?.postCount}")
+            Text(text = "Наибольшее число публикаций у: ${reportViewModel.report.value?.mostPostAuthor}")
+            Text(text = "Кол-во публикаций у пользователя:${reportViewModel.report.value?.mostPostCount}")
+            ActiveButton(label = "Сбросить", backgroundColor = ButtonColor2,
+                textColor = Color.White, onClickAction = {
+                    reportViewModel.clearReport()
+                })
+        }
     }
 }

app/src/main/java/com/example/mobileapp/screens/ViewScreens.kt

@@ -14,8 +14,6 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
@@ -34,6 +32,7 @@ import com.example.mobileapp.R
 import com.example.mobileapp.components.NavigationButton
 import com.example.mobileapp.database.viewmodels.MailViewModel
 import com.example.mobileapp.database.viewmodels.MobileAppViewModelProvider
+import com.example.mobileapp.database.viewmodels.ReportViewModel
 import com.example.mobileapp.database.viewmodels.StoryViewModel
 import com.example.mobileapp.database.viewmodels.UserViewModel
 import com.example.mobileapp.ui.theme.ButtonColor2