ajout de la fonction suppression

.idea/deploymentTargetSelector.xml

@@ -4,6 +4,14 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
+        <DropdownSelection timestamp="2025-12-16T19:37:03.719661700Z">
+          <Target type="DEFAULT_BOOT">
+            <handle>
+              <DeviceId pluginId="LocalEmulator" identifier="path=C:\Users\lalor\.android\avd\Pixel_9_Pro_XL.avd" />
+            </handle>
+          </Target>
+        </DropdownSelection>
+        <DialogSelection />
       </SelectionState>
     </selectionStates>
   </component>

.idea/gradle.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>

.idea/inspectionProfiles/Project_Default.xml

@@ -1,6 +1,61 @@
 <component name="InspectionProjectProfileManager">
   <profile version="1.0">
     <option name="myName" value="Project Default" />
-    <inspection_tool class="UsePropertyAccessSyntax" enabled="true" level="WEAK WARNING" enabled_by_default="true" />
+    <inspection_tool class="ComposePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="ComposePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="GlancePreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewAnnotationInFunctionWithParameters" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewApiLevelMustBeValid" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewDeviceShouldUseNewSpec" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewFontScaleMustBeGreaterThanZero" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewMultipleParameterProviders" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewParameterProviderOnFirstParameter" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
+    <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
   </profile>
 </component>

.idea/misc.xml

@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">

app/src/main/AndroidManifest.xml

@@ -24,6 +24,7 @@
         </activity>
         <activity android:name=".ui.screen.AjoutDvdActivity"/>
         <activity android:name=".ui.screen.ListDvdActivity"/>
+        <activity android:name=".ui.screen.SupprDvdActivity"/>
     </application>
 
 </manifest>

app/src/main/java/com/dev/collectiondvd/MainActivity.kt

@@ -21,6 +21,7 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import com.dev.collectiondvd.ui.screen.AjoutDvdActivity
 import com.dev.collectiondvd.ui.screen.ListDvdActivity
+import com.dev.collectiondvd.ui.screen.SupprDvdActivity
 import com.dev.collectiondvd.ui.theme.CollectionDvdTheme
 import com.dev.collectiondvd.ui.theme.MyButton
 import kotlin.system.exitProcess
@@ -47,11 +48,12 @@ fun MenuScreen() {
 
 
         ) {
-        Text("Gestion de clients", fontSize = 28.sp)
-        MyButton("Liste des clients") { context.startActivity(Intent(context, ListDvdActivity::class.java)) }
+        Text("Gestion la collection de DVD", fontSize = 28.sp)
+        MyButton("Liste des DVDs") { context.startActivity(Intent(context, ListDvdActivity::class.java)) }
 
-        MyButton("Ajouter un client") { context.startActivity(Intent(context, AjoutDvdActivity::class.java)) }
+        MyButton("Ajouter un DVD") { context.startActivity(Intent(context, AjoutDvdActivity::class.java)) }
 
+        MyButton("Supprimer un DVD") { context.startActivity((Intent(context, SupprDvdActivity::class.java)))}
     }
 }
 

app/src/main/java/com/dev/collectiondvd/data/local/dao/DvdDao.kt

@@ -16,4 +16,11 @@ interface DvdDao{
     @Query("SELECT * FROM dvds")
     fun getAllDvdsFlow(): Flow<List<Dvd>>
 
+    @Delete
+    suspend fun delete(dvd: Dvd)
+
+    @Query("SELECT * FROM dvds WHERE id = :numero")
+    fun getDvdById(numero: Long): Flow<Dvd?>
+
+
 }

app/src/main/java/com/dev/collectiondvd/data/repository/LocalDvdRepository.kt

@@ -10,4 +10,9 @@ class LocalDvdRepository(private val dvdDao: DvdDao) {
     fun getAllDvds(): Flow<List<Dvd>> = dvdDao.getAllDvdsFlow()
 
     suspend fun addDvd(dvd: Dvd) = dvdDao.insert(dvd)
+
+    suspend fun deleteDvd(dvd: Dvd) = dvdDao.delete(dvd)
+
+    fun searchDvd(numero: Long): Flow<Dvd?> = dvdDao.getDvdById(numero)
+
 }

app/src/main/java/com/dev/collectiondvd/ui/screen/SupprDvdActivity.kt

@@ -0,0 +1,107 @@
+package com.dev.collectiondvd.ui.screen
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.viewModels
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.ViewModelProvider
+import com.dev.collectiondvd.data.local.AppDatabase
+import com.dev.collectiondvd.data.repository.LocalDvdRepository
+import com.dev.collectiondvd.ui.theme.CollectionDvdTheme
+import com.dev.collectiondvd.ui.theme.MyButton
+import com.dev.collectiondvd.viewmodel.LocalDvdViewModel
+import com.dev.collectiondvd.viewmodel.factory.LocalDvdViewModelFactory
+
+class SupprDvdActivity :  ComponentActivity(){
+
+    private lateinit var viewModel: LocalDvdViewModel
+
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        val dvdDao = AppDatabase.getDatabase(this).dvdDao()
+        val factory = LocalDvdViewModelFactory (LocalDvdRepository (dvdDao))
+        viewModel = ViewModelProvider(this, factory).get(LocalDvdViewModel::class.java)
+        setContent {
+            CollectionDvdTheme {
+                SupprDvdScreen({ finish() }, viewModel = viewModel)
+            }
+
+        }
+    }
+}
+
+@Composable
+fun SupprDvdScreen(onQuit: () -> Unit, viewModel: LocalDvdViewModel){
+    val dvds by viewModel.dvds.collectAsState(initial = emptyList())
+    val selectDvd by viewModel.selectedDvd.collectAsState()
+
+    var expanded by remember { mutableStateOf(false) }
+    var selectedId by remember { mutableStateOf<Long?>(null) }
+
+    Column(modifier = Modifier.padding(16.dp)) {
+        Text("TEST", modifier = Modifier.padding(8.dp))
+        Text("DVD count = ${dvds.size}")
+
+
+        TextButton(onClick = { expanded = true }) {
+            Text(
+                text = dvds.find { it.id == selectedId }?.titre ?: "Choisir un DVD"
+            )
+        }
+
+        //Menu deroulant
+        DropdownMenu(
+            expanded = expanded,
+            onDismissRequest = { expanded = false }
+        ) {
+            dvds.forEach { dvd ->
+                DropdownMenuItem(
+                    text = { Text(dvd.titre) },
+                    onClick = {
+                        selectedId = dvd.id
+                        expanded = false
+                        viewModel.selectDvd(dvd.id)
+                    }
+                )
+            }
+        }
+        Spacer(modifier = Modifier.height(16.dp))
+
+        //Affichage info dvd
+        selectDvd?.let { dvd ->
+            Text("Titre: ${dvd.titre}")
+            Text("Réalisateur: ${dvd.realisateur}")
+            Text("Année: ${dvd.annee}")
+            Text("Genre: ${dvd.genre}")
+
+            Spacer(modifier = Modifier.height(16.dp))
+
+            MyButton("Supprimer le Dvd")
+            {
+                viewModel.deleteDvd()
+                selectedId = null
+            }
+        }
+        MyButton("Quitter") { onQuit() }
+    }
+
+}

app/src/main/java/com/dev/collectiondvd/viewmodel/LocalDvdViewModel.kt

@@ -4,16 +4,47 @@ import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.dev.collectiondvd.data.local.entities.Dvd
 import com.dev.collectiondvd.data.repository.LocalDvdRepository
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 
 class LocalDvdViewModel (
     private val repository: LocalDvdRepository
 ) : ViewModel() {
-    val dvds = repository.getAllDvds()
+    val dvds: StateFlow<List<Dvd>> =
+        repository.getAllDvds()
+            .stateIn(
+                viewModelScope,
+                SharingStarted.WhileSubscribed(5_000),
+                emptyList()
+            )
 
     fun addDvd(dvd: Dvd){
         viewModelScope.launch{
             repository.addDvd(dvd)
         }
     }
+
+    private val _selectedDvd = MutableStateFlow<Dvd?>(null)
+    val selectedDvd: StateFlow<Dvd?> = _selectedDvd
+
+    fun selectDvd(numero: Long) {
+        viewModelScope.launch {
+            repository.searchDvd(numero).collect { dvd ->
+                _selectedDvd.value = dvd
+            }
+        }
+    }
+
+    fun deleteDvd() {
+        viewModelScope.launch {
+            _selectedDvd.value?.let { dvd ->
+                repository.deleteDvd(dvd)
+                _selectedDvd.value = null
+            }
+        }
+    }
+
 }