поиск

app/src/main/java/com/example/myapplication/api/cinema/RestCinemaRepository.kt

@@ -1,6 +1,5 @@
 package com.example.myapplication.api.cinema
 
-import android.util.Log
 import androidx.paging.ExperimentalPagingApi
 import androidx.paging.Pager
 import androidx.paging.PagingConfig
@@ -24,11 +23,7 @@ class RestCinemaRepository(
     private val dbRemoteKeyRepository: OfflineRemoteKeyRepository,
     private val database: AppDatabase
 ) : CinemaRepository {
-    override fun getAllCinemas(): Flow<PagingData<Cinema>> {
+    override fun getAllCinemas(name: String): Flow<PagingData<Cinema>> {
-        Log.d(RestCinemaRepository::class.simpleName, "Get cinemas")
-
-        val pagingSourceFactory = { dbCinemaRepository.getAllCinemasPagingSource() }
-
         @OptIn(ExperimentalPagingApi::class)
         return Pager(
             config = PagingConfig(
@@ -42,8 +37,13 @@ class RestCinemaRepository(
                 dbRemoteKeyRepository,
                 database,
             ),
-            pagingSourceFactory = pagingSourceFactory
+        ) {
-        ).flow
+            if (name.isEmpty()) {
+                dbCinemaRepository.getAllCinemasPagingSource()
+            } else {
+                dbCinemaRepository.getAllCinemasPagingSource(name)
+            }
+        }.flow
     }
 
     override suspend fun getCinema(uid: Int): CinemaWithSessions {

app/src/main/java/com/example/myapplication/composeui/Search.kt

@@ -0,0 +1,63 @@
+package com.example.myapplication.composeui
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.text.BasicTextField
+import androidx.compose.foundation.text.KeyboardActions
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Search
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun Search(
+    initValue: String,
+    onDone: (String) -> Unit,
+    modifier: Modifier
+) {
+    val maxLength = 20
+    val (value, setValue) = remember { mutableStateOf(initValue) }
+    fun clear() {
+        setValue("")
+        onDone("")
+    }
+
+    fun handleChange(newValue: String) {
+        if (newValue.length > maxLength) {
+            return
+        } else if (newValue.isEmpty()) {
+            clear()
+        }
+        setValue(newValue)
+    }
+
+    fun handleDone() {
+        onDone(value)
+    }
+
+    BasicTextField(
+        value = value,
+        onValueChange = { handleChange(it) },
+        modifier = modifier,
+        singleLine = true,
+        keyboardActions = KeyboardActions(
+            onDone = { handleDone() }
+        )
+    )
+    Spacer(modifier = Modifier.width(16.dp))
+    Icon(
+        imageVector = Icons.Default.Search,
+        contentDescription = null,
+        modifier = Modifier
+            .size(30.dp)
+            .clickable { handleDone() },
+        tint = MaterialTheme.colorScheme.secondary,
+    )
+}

app/src/main/java/com/example/myapplication/composeui/navigation/MainNavbar.kt

@@ -12,13 +12,9 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.shape.RoundedCornerShape
-import androidx.compose.foundation.text.BasicTextField
-import androidx.compose.foundation.text.KeyboardActions
-import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.ArrowBack
 import androidx.compose.material.icons.filled.Person
-import androidx.compose.material.icons.filled.Search
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.NavigationBar
@@ -29,9 +25,6 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
@@ -49,6 +42,7 @@ import androidx.navigation.navArgument
 import com.example.myapplication.LiveStore
 import com.example.myapplication.composeui.Cart
 import com.example.myapplication.composeui.Report
+import com.example.myapplication.composeui.Search
 import com.example.myapplication.database.entities.composeui.CinemaList
 import com.example.myapplication.database.entities.composeui.CinemaView
 import com.example.myapplication.database.entities.composeui.OrderList
@@ -64,7 +58,6 @@ fun Topbar(
     navController: NavHostController,
     currentScreen: Screen?
 ) {
-    var searchQuery by remember { mutableStateOf("") }
     Box(
         modifier = Modifier
             .fillMaxWidth()
@@ -100,9 +93,12 @@ fun Topbar(
 
             Spacer(modifier = Modifier.width(16.dp))
 
-            BasicTextField(
+            if (currentScreen?.route == Screen.CinemaList.route) {
-                value = searchQuery,
+                Search(
-                onValueChange = { newValue -> searchQuery = newValue },
+                    initValue = LiveStore.searchRequest.value ?: "",
+                    onDone = {
+                        LiveStore.searchRequest.value = it
+                    },
                     modifier = Modifier
                         .weight(1f)
                         .height(36.dp)
@@ -110,28 +106,12 @@ fun Topbar(
                             color = MaterialTheme.colorScheme.onPrimary,
                             RoundedCornerShape(18.dp)
                         )
-                    .padding(start = 13.dp, top = 8.dp),
+                        .padding(start = 13.dp, top = 8.dp)
-                keyboardOptions = KeyboardOptions.Default.copy(
-                    imeAction = androidx.compose.ui.text.input.ImeAction.Search
-                ),
-                keyboardActions = KeyboardActions(
-                    onSearch = { }
-                )
-            )
-
-            Spacer(modifier = Modifier.width(16.dp))
-
-            Icon(
-                imageVector = Icons.Default.Search,
-                contentDescription = null,
-                modifier = Modifier
-                    .size(30.dp)
-                    .clickable { },
-                tint = MaterialTheme.colorScheme.secondary
                 )
             }
         }
     }
+}
 
 @Composable
 fun Navbar(

app/src/main/java/com/example/myapplication/database/entities/composeui/CinemaList.kt

@@ -26,6 +26,7 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment
@@ -48,8 +49,13 @@ fun CinemaList(
     viewModel: CinemaListViewModel = viewModel(factory = AppViewModelProvider.Factory)
 ) {
     val coroutineScope = rememberCoroutineScope()
-    val cinemaPagingItems = viewModel.cinemaListUiState.collectAsLazyPagingItems()
+    val cinemaPagingItems = viewModel.cinemaPagingFlow.flow.collectAsLazyPagingItems()
     val user = LiveStore.user.observeAsState()
+    val searchPattern = LiveStore.searchRequest.observeAsState("")
+
+    LaunchedEffect(searchPattern.value) {
+        viewModel.refresh()
+    }
 
     Scaffold(
         topBar = {},

app/src/main/java/com/example/myapplication/database/entities/composeui/CinemaListViewModel.kt

@@ -1,17 +1,35 @@
 package com.example.myapplication.database.entities.composeui
 
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import androidx.paging.PagingData
+import androidx.paging.cachedIn
+import com.example.myapplication.LiveStore
 import com.example.myapplication.database.entities.model.Cinema
 import com.example.myapplication.database.entities.repository.CinemaRepository
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.emptyFlow
 
 class CinemaListViewModel(
     private val cinemaRepository: CinemaRepository
 ) : ViewModel() {
-    val cinemaListUiState: Flow<PagingData<Cinema>> = cinemaRepository.getAllCinemas()
+    var cinemaPagingFlow by mutableStateOf(ProductPagingFlowState())
+        private set
+
+    fun refresh() {
+        val name = "%${LiveStore.searchRequest.value}%"
+        val pagingSource = cinemaRepository.getAllCinemas(name)
+        cinemaPagingFlow = ProductPagingFlowState(pagingSource.cachedIn(viewModelScope))
+    }
 
     suspend fun deleteCinema(cinema: Cinema) {
         cinemaRepository.deleteCinema(cinema)
     }
 }
+
+data class ProductPagingFlowState(
+    val flow: Flow<PagingData<Cinema>> = emptyFlow(),
+)

app/src/main/java/com/example/myapplication/database/entities/dao/CinemaDao.kt

@@ -14,6 +14,8 @@ import kotlinx.coroutines.flow.Flow
 interface CinemaDao {
     @Query("select * from cinemas order by name")
     fun getAll(): PagingSource<Int, Cinema>
+    @Query("select * from cinemas where cinemas.name like :name order by name collate nocase asc")
+    fun getAll(name: String): PagingSource<Int, Cinema>
 
     @Query(
         "SELECT c.*, s.uid as session_uid, s.date_time, s.price, s.max_count-IFNULL(SUM(os.count), 0) as available_count, c.uid as cinema_id " +

app/src/main/java/com/example/myapplication/database/entities/repository/CinemaRepository.kt

@@ -6,7 +6,7 @@ import com.example.myapplication.database.entities.model.CinemaWithSessions
 import kotlinx.coroutines.flow.Flow
 
 interface CinemaRepository {
-    fun getAllCinemas(): Flow<PagingData<Cinema>>
+    fun getAllCinemas(name: String): Flow<PagingData<Cinema>>
     suspend fun getCinema(uid: Int): CinemaWithSessions
     suspend fun insertCinema(cinema: Cinema)
     suspend fun updateCinema(cinema: Cinema)

app/src/main/java/com/example/myapplication/database/entities/repository/OfflineCinemaRepository.kt

@@ -13,7 +13,7 @@ import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
 
 class OfflineCinemaRepository(private val cinemaDao: CinemaDao) : CinemaRepository {
-    override fun getAllCinemas(): Flow<PagingData<Cinema>> = Pager(
+    override fun getAllCinemas(name: String): Flow<PagingData<Cinema>> = Pager(
         config = PagingConfig(
             pageSize = AppContainer.LIMIT,
             enablePlaceholders = false
@@ -21,6 +21,7 @@ class OfflineCinemaRepository(private val cinemaDao: CinemaDao) : CinemaReposito
         pagingSourceFactory = cinemaDao::getAll
     ).flow
 
+
     override suspend fun getCinema(uid: Int): CinemaWithSessions {
         val item = cinemaDao.getByUid(uid)
             .map { map ->
@@ -43,6 +44,8 @@ class OfflineCinemaRepository(private val cinemaDao: CinemaDao) : CinemaReposito
 
     fun getAllCinemasPagingSource(): PagingSource<Int, Cinema> = cinemaDao.getAll()
 
+    fun getAllCinemasPagingSource(name: String): PagingSource<Int, Cinema> = cinemaDao.getAll(name)
+
     suspend fun insertCinemas(cinemas: List<Cinema>) =
         cinemaDao.insert(*cinemas.toTypedArray())