Repository and ViewModel implementation for all notes screen. Issue #16

app/src/main/AndroidManifest.xml

@@ -12,15 +12,14 @@
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
         android:icon="@mipmap/ic_launcher"
-        android:label="@string/app_name"
+        android:label="@string/app_name_debug"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.NoteX"
         tools:targetApi="31">
         <activity
             android:name=".MainActivity"
             android:exported="true"
-            android:label="@string/app_name"
             android:theme="@style/Theme.NoteX">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/java/com/hadiyarajesh/notex/database/dao/NoteDao.kt

@@ -7,11 +7,11 @@ import kotlinx.coroutines.flow.Flow
 @Dao
 interface NoteDao {
     @Insert(onConflict = OnConflictStrategy.REPLACE)
-    fun insertOrUpdate(note: Note)
+    suspend fun insertOrUpdate(note: Note): Long
 
     @Query("SELECT * FROM Note")
-    fun getNote(): Flow<Note>
+    suspend fun getNotes(): Flow<List<Note>>
 
     @Delete
-    fun deleteNote(note: Note)
+    suspend fun deleteNote(note: Note): Note
 }

app/src/main/java/com/hadiyarajesh/notex/repository/NotesRepository.kt

@@ -1,8 +1,20 @@
 package com.hadiyarajesh.notex.repository
 
+import com.hadiyarajesh.notex.database.dao.NoteDao
+import com.hadiyarajesh.notex.database.entity.Note
+import kotlinx.coroutines.flow.Flow
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class NotesRepository @Inject constructor() {
+class NotesRepository @Inject constructor(private val noteDao: NoteDao) {
+
+
+    suspend fun add(note: Note): Long = noteDao.insertOrUpdate(note)
+
+    suspend fun update(note: Note): Long = noteDao.insertOrUpdate(note)
+
+    suspend fun remove(note: Note): Note = noteDao.deleteNote(note)
+
+    suspend fun allNotes(): Flow<List<Note>> = noteDao.getNotes()
 }

app/src/main/java/com/hadiyarajesh/notex/ui/note/NotesViewModel.kt

@@ -2,9 +2,18 @@ package com.hadiyarajesh.notex.ui.note
 
 import android.util.Log
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.hadiyarajesh.notex.database.entity.Note
 import com.hadiyarajesh.notex.repository.NotesRepository
 import com.hadiyarajesh.notex.utility.TAG
 import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.SharingStarted.Companion.WhileSubscribed
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.flow.stateIn
+import kotlinx.coroutines.launch
 import javax.inject.Inject
 
 @HiltViewModel
@@ -14,4 +23,41 @@ class NotesViewModel @Inject constructor(
     init {
         Log.i(TAG, "${this.javaClass.name} initialized")
     }
+
+    lateinit var notesFlow: StateFlow<List<Note>>
+
+
+
+    init {
+        getAllNotes()
+    }
+
+    private fun getAllNotes() {
+        viewModelScope.launch {
+            notesFlow = notesRepository.allNotes().stateIn(
+                scope = viewModelScope,
+                started = WhileSubscribed(5000),
+                initialValue = emptyList()
+            )
+        }
+    }
+
+    fun add(note: Note) {
+        viewModelScope.launch {
+            notesRepository.add(note)
+        }
+    }
+
+    fun update(note: Note) {
+        viewModelScope.launch {
+            notesRepository.update(note)
+        }
+    }
+
+    fun remove(note: Note) {
+        viewModelScope.launch {
+            notesRepository.remove(note)
+        }
+    }
+
 }