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8 changes: 4 additions & 4 deletions
8
...ion/dagger/components/LibraryComponent.kt → ...tion/dagger/component/LibraryComponent.kt
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2 changes: 1 addition & 1 deletion
2
...gger/builders/BookListViewModelFactory.kt → ...agger/factory/BookListViewModelFactory.kt
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2 changes: 1 addition & 1 deletion
2
...n/dagger/builders/BookViewModelFactory.kt → ...on/dagger/factory/BookViewModelFactory.kt
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24 changes: 24 additions & 0 deletions
24
app/src/main/java/com/sample/libraryapplication/dagger/module/LibraryModule.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| package com.sample.libraryapplication.dagger.module | ||
|
|
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| import com.sample.libraryapplication.database.LibraryDatabase | ||
| import com.sample.libraryapplication.repository.BookRepository | ||
| import com.sample.libraryapplication.repository.CategoryRepository | ||
| import dagger.Module | ||
| import dagger.Provides | ||
| import javax.inject.Singleton | ||
|
|
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| @Module | ||
| class LibraryModule { | ||
|
|
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| @Singleton | ||
| @Provides | ||
| fun providesBookRepository(libraryDatabase: LibraryDatabase): BookRepository { | ||
| return BookRepository(libraryDatabase) | ||
| } | ||
|
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| @Singleton | ||
| @Provides | ||
| fun providesCategoryRepository(libraryDatabase: LibraryDatabase): CategoryRepository { | ||
| return CategoryRepository(libraryDatabase) | ||
| } | ||
| } |
87 changes: 87 additions & 0 deletions
87
app/src/main/java/com/sample/libraryapplication/dagger/module/RoomDatabaseModule.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package com.sample.libraryapplication.dagger.module | ||
|
|
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| import android.app.Application | ||
| import android.util.Log | ||
| import androidx.room.Room | ||
| import androidx.room.RoomDatabase | ||
| import androidx.sqlite.db.SupportSQLiteDatabase | ||
| import com.sample.libraryapplication.database.LibraryDatabase | ||
| import com.sample.libraryapplication.database.entity.BookEntity | ||
| import com.sample.libraryapplication.database.entity.CategoryEntity | ||
| import dagger.Module | ||
| import dagger.Provides | ||
| import kotlinx.coroutines.CoroutineScope | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.launch | ||
| import javax.inject.Singleton | ||
|
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| @Module | ||
| class RoomDatabaseModule(application: Application) { | ||
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| private var libraryApplication = application | ||
| private lateinit var libraryDatabase: LibraryDatabase | ||
|
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| companion object { | ||
| private const val EDUCATIONAL_BOOKS_CATEGORY_ID = 1L | ||
| private const val NOVELS_CATEGORY_ID = 2L | ||
| private const val OTHER_BOOKS_CATEGORY_ID = 3L | ||
| } | ||
|
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| private val databaseCallback = object : RoomDatabase.Callback() { | ||
| override fun onCreate(db: SupportSQLiteDatabase) { | ||
| super.onCreate(db) | ||
| Log.d("RoomDatabaseModule", "onCreate") | ||
| CoroutineScope(Dispatchers.IO).launch { | ||
| addSampleBooksToDatabase() | ||
| } | ||
| } | ||
| } | ||
|
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| private fun addSampleBooksToDatabase() { | ||
| val category1 = CategoryEntity(EDUCATIONAL_BOOKS_CATEGORY_ID, "Educational Books", "Educational Books Desc") | ||
| val category2 = CategoryEntity(NOVELS_CATEGORY_ID, "Novels", "Novels Desc") | ||
| val category3 = CategoryEntity(OTHER_BOOKS_CATEGORY_ID, "Other Books", "Non Categorized Books") | ||
|
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| val book1 = BookEntity(1, "Java Programming Book", 10.50, EDUCATIONAL_BOOKS_CATEGORY_ID) | ||
| val book2 = BookEntity(2, "Mathematics", 19.10, EDUCATIONAL_BOOKS_CATEGORY_ID) | ||
| val book3 = BookEntity(3, "Adventures of Joe Finn", 25.30, NOVELS_CATEGORY_ID) | ||
| val book4 = BookEntity(4, "The Hound the New York", 5.30, NOVELS_CATEGORY_ID) | ||
| val book5 = BookEntity(5, "Astrology", 56.99, OTHER_BOOKS_CATEGORY_ID) | ||
| val book6 = BookEntity(6, "Arc of Witches", 34.99, OTHER_BOOKS_CATEGORY_ID) | ||
| val book7 = BookEntity(7, "Can I Run?", 99.99, NOVELS_CATEGORY_ID) | ||
| val book8 = BookEntity(8, "Basic of Physics", 10.50, EDUCATIONAL_BOOKS_CATEGORY_ID) | ||
|
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| val categoryDAO = libraryDatabase.getCategoryDAO() | ||
| categoryDAO.addCategory(category1) | ||
| categoryDAO.addCategory(category2) | ||
| categoryDAO.addCategory(category3) | ||
|
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| val bookDAO = libraryDatabase.getBookDAO() | ||
| bookDAO.addBook(book1) | ||
| bookDAO.addBook(book2) | ||
| bookDAO.addBook(book3) | ||
| bookDAO.addBook(book4) | ||
| bookDAO.addBook(book5) | ||
| bookDAO.addBook(book6) | ||
| bookDAO.addBook(book7) | ||
| bookDAO.addBook(book8) | ||
| } | ||
|
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| @Singleton | ||
| @Provides | ||
| fun providesRoomDatabase(): LibraryDatabase { | ||
| libraryDatabase = Room.databaseBuilder(libraryApplication, LibraryDatabase::class.java, "library_database") | ||
| .fallbackToDestructiveMigration() | ||
| .addCallback(databaseCallback) | ||
| .build() | ||
| return libraryDatabase | ||
| } | ||
|
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| @Singleton | ||
| @Provides | ||
| fun providesCategoryDAO(libraryDatabase: LibraryDatabase) = libraryDatabase.getCategoryDAO() | ||
|
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| @Singleton | ||
| @Provides | ||
| fun providesBookDAO(libraryDatabase: LibraryDatabase) = libraryDatabase.getBookDAO() | ||
| } |
18 changes: 0 additions & 18 deletions
18
app/src/main/java/com/sample/libraryapplication/dagger/modules/AppModule.kt
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24 changes: 0 additions & 24 deletions
24
app/src/main/java/com/sample/libraryapplication/dagger/modules/LibraryModule.kt
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67
app/src/main/java/com/sample/libraryapplication/database/LibraryDatabase.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,82 +1,15 @@ | ||
| package com.sample.libraryapplication.database | ||
|
|
||
| import android.app.Application | ||
| import androidx.room.Database | ||
| import androidx.room.Room | ||
| import androidx.room.RoomDatabase | ||
| import androidx.sqlite.db.SupportSQLiteDatabase | ||
| import com.sample.libraryapplication.database.dao.BookDAO | ||
| import com.sample.libraryapplication.database.dao.CategoryDAO | ||
| import com.sample.libraryapplication.database.entity.BookEntity | ||
| import com.sample.libraryapplication.database.entity.CategoryEntity | ||
| import kotlinx.coroutines.CoroutineScope | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.launch | ||
|
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| @Database(entities = [CategoryEntity::class, BookEntity::class], version = 1) | ||
| abstract class LibraryDatabase : RoomDatabase() { | ||
|
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| abstract fun getCategoryDAO(): CategoryDAO | ||
| abstract fun getBookDAO(): BookDAO | ||
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| companion object { | ||
|
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| private const val EDUCATIONAL_BOOKS_CATEGORY_ID = 1L | ||
| private const val NOVELS_CATEGORY_ID = 2L | ||
| private const val OTHER_BOOKS_CATEGORY_ID = 3L | ||
|
|
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| private val databaseCallback = object : RoomDatabase.Callback() { | ||
| override fun onCreate(db: SupportSQLiteDatabase) { | ||
| super.onCreate(db) | ||
| CoroutineScope(Dispatchers.IO).launch { | ||
| addSampleBooksToDatabase() | ||
| } | ||
| } | ||
| } | ||
|
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| private fun addSampleBooksToDatabase() { | ||
| val category1 = CategoryEntity(EDUCATIONAL_BOOKS_CATEGORY_ID, "Educational Books", "Educational Books Desc") | ||
| val category2 = CategoryEntity(NOVELS_CATEGORY_ID, "Novels", "Novels Desc") | ||
| val category3 = CategoryEntity(OTHER_BOOKS_CATEGORY_ID, "Other Books", "Non Categorized Books") | ||
|
|
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| val book1 = BookEntity(1, "Java Programming Book", 10.50, EDUCATIONAL_BOOKS_CATEGORY_ID) | ||
| val book2 = BookEntity(2, "Mathematics", 19.10, EDUCATIONAL_BOOKS_CATEGORY_ID) | ||
| val book3 = BookEntity(3, "Adventures of Joe Finn", 25.30, NOVELS_CATEGORY_ID) | ||
| val book4 = BookEntity(4, "The Hound the New York", 5.30, NOVELS_CATEGORY_ID) | ||
| val book5 = BookEntity(5, "Astrology", 56.99, OTHER_BOOKS_CATEGORY_ID) | ||
| val book6 = BookEntity(6, "Arc of Witches", 34.99, OTHER_BOOKS_CATEGORY_ID) | ||
| val book7 = BookEntity(7, "Can I Run?", 99.99, NOVELS_CATEGORY_ID) | ||
| val book8 = BookEntity(8, "Basic of Physics", 10.50, EDUCATIONAL_BOOKS_CATEGORY_ID) | ||
|
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| val categoryDAO = getInstance(libraryApplication).getCategoryDAO() | ||
| categoryDAO.addCategory(category1) | ||
| categoryDAO.addCategory(category2) | ||
| categoryDAO.addCategory(category3) | ||
|
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| val bookDAO = getInstance(libraryApplication).getBookDAO() | ||
| bookDAO.addBook(book1) | ||
| bookDAO.addBook(book2) | ||
| bookDAO.addBook(book3) | ||
| bookDAO.addBook(book4) | ||
| bookDAO.addBook(book5) | ||
| bookDAO.addBook(book6) | ||
| bookDAO.addBook(book7) | ||
| bookDAO.addBook(book8) | ||
| } | ||
|
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| private lateinit var libraryApplication: Application | ||
|
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| private var instance: LibraryDatabase? = null | ||
| fun getInstance(application: Application): LibraryDatabase { | ||
| libraryApplication = application | ||
| return if (instance == null) synchronized(this) { | ||
| instance = Room.databaseBuilder(application, LibraryDatabase::class.java, "library_database") | ||
| .fallbackToDestructiveMigration() | ||
| .addCallback(databaseCallback) | ||
| .build() | ||
| instance!! | ||
| } else | ||
| instance!! | ||
| } | ||
| } | ||
| } |
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