up

app/src/main/java/io/legado/app/data/dao/BookDao.kt

@@ -26,6 +26,9 @@ interface BookDao {
     @get:Query("SELECT COUNT(*) FROM books")
     val allBookCount: Int
 
+    @Query("SELECT * FROM books ORDER BY durChapterTime DESC limit 0,10")
+    fun recentRead(): List<Book>
+
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     fun insert(vararg books: Book)
 

app/src/main/java/io/legado/app/data/dao/BookGroupDao.kt

@@ -0,0 +1,13 @@
+package io.legado.app.data.dao
+
+import androidx.paging.DataSource
+import androidx.room.Query
+import io.legado.app.data.entities.BookGroup
+
+interface BookGroupDao {
+
+    @Query("SELECT * FROM book_groups ORDER BY `order`")
+    fun observeAll(): DataSource.Factory<Int, BookGroup>
+
+
+}

app/src/main/java/io/legado/app/data/entities/BookGroup.kt

@@ -0,0 +1,12 @@
+package io.legado.app.data.entities
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "book_groups")
+data class BookGroup(
+        @PrimaryKey
+        var groupId: Int = 0,
+        var groupName: String,
+        var order: Int = 0
+)

app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt

@@ -3,19 +3,30 @@ package io.legado.app.ui.main.bookshelf
 import android.os.Bundle
 import android.view.Menu
 import android.view.View
+import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
 import io.legado.app.base.BaseFragment
+import kotlinx.android.synthetic.main.fragment_bookshelf.*
 import kotlinx.android.synthetic.main.view_title_bar.*
 
 class BookshelfFragment : BaseFragment(R.layout.fragment_bookshelf) {
 
+    private lateinit var recentReadAdapter: RecentReadAdapter
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         setSupportToolbar(toolbar)
+        initRecyclerView()
     }
 
     override fun onCompatCreateOptionsMenu(menu: Menu) {
         menuInflater.inflate(R.menu.bookshelf, menu)
     }
 
+    private fun initRecyclerView() {
+        rv_bookshelf.layoutManager = LinearLayoutManager(context, LinearLayoutManager.HORIZONTAL, false)
+        rv_read_books.layoutManager = LinearLayoutManager(context)
+        recentReadAdapter = RecentReadAdapter()
+        rv_read_books.adapter = recentReadAdapter
+    }
 
 }

app/src/main/java/io/legado/app/ui/main/bookshelf/RecentReadAdapter.kt

@@ -0,0 +1,36 @@
+package io.legado.app.ui.main.bookshelf
+
+import android.view.View
+import android.view.ViewGroup
+import androidx.paging.PagedListAdapter
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.RecyclerView
+import io.legado.app.data.entities.Book
+
+class RecentReadAdapter : PagedListAdapter<Book, RecentReadAdapter.MyViewHolder>(DIFF_CALLBACK) {
+
+    companion object {
+        @JvmField
+        val DIFF_CALLBACK = object : DiffUtil.ItemCallback<Book>() {
+            override fun areItemsTheSame(oldItem: Book, newItem: Book): Boolean =
+                    oldItem.descUrl == newItem.descUrl
+
+            override fun areContentsTheSame(oldItem: Book, newItem: Book): Boolean =
+                    oldItem.descUrl == newItem.descUrl
+                            && oldItem.durChapterTitle == newItem.durChapterTitle
+                            && oldItem.latestChapterTitle == newItem.latestChapterTitle
+        }
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    class MyViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+
+    }
+}