Refactor application loading + Paging on main Page

app/src/main/java/com/pixelized/biblib/repository/book/BookRepository.kt

@@ -1,16 +1,27 @@
 package com.pixelized.biblib.repository.book
 
+
+import android.util.Log
+import androidx.paging.DataSource
 import com.pixelized.biblib.database.BibLibDatabase
 import com.pixelized.biblib.database.crossref.BookAuthorCrossRef
 import com.pixelized.biblib.database.crossref.BookGenreCrossRef
 import com.pixelized.biblib.database.data.*
+import com.pixelized.biblib.database.relation.BookRelation
 import com.pixelized.biblib.model.*
 import com.pixelized.biblib.utils.injection.inject
 
 class BookRepository : IBookRepository {
     val database: BibLibDatabase by inject()
 
-    override fun update(data: List<Book>) {
+    override fun getAll(): List<Book> =
+        database.bookDao().getAll().map { it.toBook() }
+
+    override fun getBook(): DataSource.Factory<Int, Book> =
+        database.bookDao().getBook().map { it.toBook() }
+
+    override suspend fun update(data: List<Book>) {
+        Log.d("pouet", "BookRepository#update(): $data")
         val authors = mutableSetOf<AuthorDbo>()
         val genres = mutableSetOf<GenreDbo>()
         val series = mutableSetOf<SeriesDbo>()
@@ -83,4 +94,42 @@ class BookRepository : IBookRepository {
         synopsis = synopsis,
         isNew = isNew,
     )
+
+    private fun BookRelation.toBook(): Book = Book(
+        id = book.id,
+        title = book.title,
+        sort = book.sort,
+        author = authors.map { it.toAuthor() },
+        haveCover = book.haveCover,
+        releaseDate = book.releaseDate,
+        language = language?.toLanguage(),
+        rating = book.rating,
+        genre = genres?.map { it.toGenre() },
+        series = series?.toSeries(),
+        synopsis = book.synopsis,
+        isNew = book.isNew,
+    )
+
+    private fun AuthorDbo.toAuthor() = Author(
+        id = id,
+        name = name,
+        sort = sort,
+    )
+
+    private fun LanguageDbo.toLanguage() = Language(
+        id = id,
+        code = code,
+    )
+
+    private fun GenreDbo.toGenre() = Genre(
+        id = id,
+        name = name,
+    )
+
+    private fun SeriesDbo.toSeries() = Series(
+        id = id,
+        name = name,
+        sort = sort,
+        index = index,
+    )
 }

app/src/main/java/com/pixelized/biblib/repository/book/IBookRepository.kt

@@ -1,7 +1,13 @@
 package com.pixelized.biblib.repository.book
 
+import androidx.paging.DataSource
 import com.pixelized.biblib.model.Book
 
 interface IBookRepository {
-    fun update(data: List<Book>)
+
+    fun getAll(): List<Book>
+
+    fun getBook(): DataSource.Factory<Int, Book>
+
+    suspend fun update(data: List<Book>)
 }