initializing room db

app/build.gradle.kts

@@ -60,6 +60,8 @@ dependencies {
     implementation(libs.androidx.ui.tooling.preview)
     implementation(libs.androidx.material3)
     implementation(libs.androidx.navigation.compose)
+    implementation(libs.androidx.room.common)
+    implementation(libs.androidx.room.ktx)
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)

app/src/main/java/com/example/cheshbonhanefeshdaily/data/AccountableTask.kt

@@ -0,0 +1,16 @@
+package com.example.cheshbonhanefeshdaily.data
+
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+
+@Entity(tableName = "accountable_task")
+data class AccountableTask (
+    @PrimaryKey(autoGenerate = true) val id: Int = 0,
+    val date: Int,
+    val name: String,
+    val type: String,
+    val active: Boolean
+
+)

app/src/main/java/com/example/cheshbonhanefeshdaily/data/AccountableTaskDao.kt

@@ -0,0 +1,23 @@
+package com.example.cheshbonhanefeshdaily.data
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Update
+
+// when writing Queries, its good to specify a Flow<> as the return type, see step 13 in https://developer.android.com/codelabs/basic-android-kotlin-compose-persisting-data-room?continue=https%3A%2F%2Fdeveloper.android.com%2Fcourses%2Fpathways%2Fandroid-basics-compose-unit-6-pathway-2%23codelab-https%3A%2F%2Fdeveloper.android.com%2Fcodelabs%2Fbasic-android-kotlin-compose-persisting-data-room#5
+
+
+@Dao
+interface AccountableTaskDao {
+
+    @Insert(onConflict = OnConflictStrategy.IGNORE)
+    suspend fun insert(accountableTask: AccountableTask)
+
+    @Update
+    suspend fun update(accountableTask: AccountableTask)
+
+    @Delete
+    suspend fun delete(accountableTask: AccountableTask)
+}

app/src/main/java/com/example/cheshbonhanefeshdaily/data/CheshbonUiState.kt

@@ -1,4 +0,0 @@
-package com.example.cheshbonhanefeshdaily.data
-
-class CheshbonUiState {
-}

app/src/main/java/com/example/cheshbonhanefeshdaily/data/DataSource.kt

@@ -1,4 +0,0 @@
-package com.example.cheshbonhanefeshdaily.data
-
-object DataSource {
-}

app/src/main/java/com/example/cheshbonhanefeshdaily/data/TaskDatabase.kt

@@ -0,0 +1,27 @@
+package com.example.cheshbonhanefeshdaily.data
+
+import android.content.Context
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+
+
+@Database(entities = [AccountableTask::class], version = 1, exportSchema = false)
+abstract class TaskDatabase : RoomDatabase(){
+
+    abstract fun accountableTaskDao() : AccountableTaskDao
+
+    companion object {
+        @Volatile
+        private var Instance : TaskDatabase? = null
+
+        fun getDatabase(context:Context) : TaskDatabase {
+            return Instance ?: synchronized(this) {
+                Room.databaseBuilder(context, TaskDatabase::class.java, "task_database")
+                    .fallbackToDestructiveMigration()
+                    .build()
+                    .also { Instance = it }
+            }
+        }
+    }
+}