[feature/define-todo-data-layer] Define ToDo Data Layer (#12)

* Add data-task module

* Add core-database module

* Set room scheme location

* Define entity, dao, database

* Define database di module

* Add core model module

* Task Model 정의

* Add LocalDataSource interface

* Define implementation of local data source

* Define datasource di module

* Replace datasource with repository

Author: l2hyunwoo

core/database/.gitignore

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+/build

core/database/build.gradle.kts

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+@Suppress("DSL_SCOPE_VIOLATION") // TODO: Remove once KTIJ-19369 is fixed
+plugins {
+    id("conf.mad.convention.android.feature")
+    id("conf.mad.primitive.android.room")
+}
+
+android {
+    namespace = "com.conf.mad.todo.database"
+
+    defaultConfig {
+        ksp {
+            arg("room.schemaLocation", "$projectDir/schemas")
+        }
+        consumerProguardFiles("consumer-rules.pro")
+    }
+}

core/database/consumer-rules.pro

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+{
+  "formatVersion": 1,
+  "database": {
+    "version": 1,
+    "identityHash": "5f0a9d58cd7ca69ecf3bddf360fbcf28",
+    "entities": [
+      {
+        "tableName": "TaskEntity",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `title` TEXT NOT NULL, `is_completed` INTEGER NOT NULL, `is_favorite` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "title",
+            "columnName": "title",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCompleted",
+            "columnName": "is_completed",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isFavorite",
+            "columnName": "is_favorite",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '5f0a9d58cd7ca69ecf3bddf360fbcf28')"
+    ]
+  }
+}

core/database/schemas/com.conf.mad.todo.database.TodoDatabase/1.json

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" />

core/database/src/main/AndroidManifest.xml

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+package com.conf.mad.todo.database
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import com.conf.mad.todo.database.entity.TaskEntity
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface TaskDao {
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertTask(task: TaskEntity)
+
+    /**
+     * Get tasks by isCompleted is false
+     */
+    @Query("SELECT * FROM TaskEntity WHERE is_completed = 0")
+    fun getTodoTasks(): Flow<List<TaskEntity>>
+
+    /**
+     * Get tasks by isCompleted is true
+     */
+    @Query("SELECT * FROM TaskEntity WHERE is_completed = 1")
+    fun getCompletedTasks(): Flow<List<TaskEntity>>
+
+    @Delete
+    suspend fun deleteTask(task: TaskEntity)
+
+    /**
+     * Updating only isFavorite
+     * By id
+     */
+    @Query("UPDATE TaskEntity SET is_favorite = :isFavorite WHERE id = :id")
+    suspend fun updateFavorite(id: Long, isFavorite: Boolean)
+
+    /**
+     * Updating only isCompleted
+     * By id
+     */
+    @Query("UPDATE TaskEntity SET is_completed = :isCompleted WHERE id = :id")
+    suspend fun updateCompleted(id: Long, isCompleted: Boolean)
+}

core/database/src/main/java/com/conf/mad/todo/database/TaskDao.kt

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+package com.conf.mad.todo.database
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+import com.conf.mad.todo.database.entity.TaskEntity
+
+@Database(entities = [TaskEntity::class], version = 1, exportSchema = true)
+abstract class TodoDatabase : RoomDatabase() {
+    abstract fun taskDao(): TaskDao
+}

core/database/src/main/java/com/conf/mad/todo/database/TodoDatabase.kt

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+package com.conf.mad.todo.database.di
+
+import android.content.Context
+import androidx.room.Room
+import com.conf.mad.todo.database.TaskDao
+import com.conf.mad.todo.database.TodoDatabase
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object DatabaseModule {
+    @Provides
+    @Singleton
+    fun provideTodoDatabase(
+        @ApplicationContext context: Context
+    ): TodoDatabase = Room.databaseBuilder(context, TodoDatabase::class.java, "todo.db")
+        .fallbackToDestructiveMigration()
+        .build()
+
+    @Provides
+    @Singleton
+    fun provideTaskDao(todoDatabase: TodoDatabase): TaskDao = todoDatabase.taskDao()
+}

core/database/src/main/java/com/conf/mad/todo/database/di/DatabaseModule.kt

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+package com.conf.mad.todo.database.entity
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity
+data class TaskEntity(
+    @PrimaryKey(autoGenerate = true) val id: Long,
+    val title: String,
+    @ColumnInfo("is_completed") val isCompleted: Boolean = false,
+    @ColumnInfo("is_favorite") val isFavorite: Boolean = false,
+)

core/database/src/main/java/com/conf/mad/todo/database/entity/TaskEntity.kt

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+/build