Preparing to release 1.0

Author: Mazen Rashed

RxPaginationLib/src/main/java/com/mazenrashed/rxpaginationlib/DataChanges.kt

@@ -4,7 +4,7 @@ import com.jakewharton.rxrelay2.BehaviorRelay
 import com.mazenrashed.rxpaginationlib.RxPagination.Companion.ALL_ITEMS_EFFECTED
 
 class PaginationListManagerImpl<T>(
-    private val dataChanges: BehaviorRelay<DataChanges<T>>,
+    private val dataList: BehaviorRelay<ArrayList<T>>,
     private var page: BehaviorRelay<Int>,
     private val pageSize : Int,
     private var isLastPage: BehaviorRelay<Boolean>
@@ -13,24 +13,20 @@ class PaginationListManagerImpl<T>(
 
     override fun addToList(newMembers: ArrayList<T>) {
         if (isLastPage.value == true) return
-        dataChanges.accept(
-            dataChanges.value.apply {
+        dataList.accept(
+            dataList.value.apply {
                 if (page.value == 0)
-                    this?.list?.clear()
+                    this?.clear()
                 if (newMembers.isEmpty()) {
                     isLastPage.accept(true)
                     return@apply
                 }
 
-                this?.list?.addAll(newMembers.apply {
+                this?.addAll(newMembers.apply {
                     if (this.size < pageSize)
                         isLastPage.accept(true)
                 })
-            } ?: DataChanges(
-                ArrayList(),
-                ALL_ITEMS_EFFECTED,
-                RxPagination.TransactionTypes.REPLACE_ALL
-            )
+            } ?: ArrayList()
         )
         page.accept(page.value?.plus(1) ?: 0)
     }

RxPaginationLib/src/main/java/com/mazenrashed/rxpaginationlib/PaginationListManagerImpl.kt

@@ -16,14 +16,7 @@ abstract class RxPagination<T>(
 
     private val bag = CompositeDisposable()
 
-    val dataList = BehaviorRelay.createDefault(
-        DataChanges<T>(
-            ArrayList(),
-            ALL_ITEMS_EFFECTED,
-            TransactionTypes.REPLACE_ALL
-        )
-    )
-
+    val dataList = BehaviorRelay.createDefault(ArrayList<T>())
     var page = BehaviorRelay.createDefault(firstPage)
     var isLastPage = BehaviorRelay.createDefault(false)
 
@@ -49,7 +42,7 @@ abstract class RxPagination<T>(
 
     abstract fun onFetchDataListSubscribed()
 
-    abstract fun onFetchDataListSuccess(dataList: ArrayList<T>)
+    abstract fun onFetchDataListSuccess(lastLoadedList: ArrayList<T>)
 
     abstract fun onFetchDataListError(throwable: Throwable)
 

RxPaginationLib/src/main/java/com/mazenrashed/rxpaginationlib/RxPagination.kt

@@ -14,5 +14,4 @@ class GithubRepositoryRepository : ListRepository<GithubRepository> {
         return endPoints.getRepositories(pageSize, page)
     }
 
-
 }

app/src/main/java/com/mazenrashed/rxpagination/data/repository/GithubRepositoryRepository.kt

@@ -10,7 +10,6 @@ class GithubRepositoriesViewModel :
 
     val isLoading = BehaviorRelay.createDefault(false)
 
-
     init {
         loadDataList()
     }
@@ -21,9 +20,10 @@ class GithubRepositoriesViewModel :
 
     override fun onFetchDataListError(throwable: Throwable) {
         isLoading.accept(false)
+        throwable.printStackTrace()
     }
 
-    override fun onFetchDataListSuccess(dataList: ArrayList<GithubRepository>) {
+    override fun onFetchDataListSuccess(lastLoadedList: ArrayList<GithubRepository>) {
         isLoading.accept(false)
     }
 

app/src/main/java/com/mazenrashed/rxpagination/ui/GithubRepositoriesViewModel.kt

@@ -1,13 +1,11 @@
 package com.mazenrashed.rxpagination.ui
 
 import android.os.Bundle
-import android.util.Log
+import android.view.View
 import androidx.activity.viewModels
 import androidx.appcompat.app.AppCompatActivity
-import com.google.gson.Gson
 import com.mazenrashed.rxpagination.R
 import com.mazenrashed.rxpagination.data.model.GithubRepository
-import com.mazenrashed.rxpaginationlib.RxPagination
 import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.disposables.CompositeDisposable
 import io.reactivex.rxkotlin.addTo
@@ -35,41 +33,15 @@ class MainActivity : AppCompatActivity() {
             .observeOn(AndroidSchedulers.mainThread())
             .subscribe {
                 refresh_layout.isRefreshing = it
+                progress_bar.visibility = if (it) View.VISIBLE else View.GONE
             }.addTo(bag)
-//        Observable.interval(7, TimeUnit.SECONDS)
-//            .subscribe({
-//                if (viewModel.isLastPage.value == false)
-//                    viewModel.loadDataList()
-//            }, {
-//                it.printStackTrace()
-//            })
-//           .addTo(bag)
 
         viewModel
             .dataList
             .observeOn(AndroidSchedulers.mainThread())
-            .subscribe {
-                it.effectedItem.let {
-                    Log.d(
-                        "Effected item",
-                        if (it == RxPagination.ALL_ITEMS_EFFECTED) "All Items" else it.toString()
-                    )
-                }
-
-                Log.d(
-                    "Transaction type",
-                    when (it.transactionType) {
-                        RxPagination.TransactionTypes.ADD -> "Add"
-                        RxPagination.TransactionTypes.DELETE -> "Delete"
-                        RxPagination.TransactionTypes.MODIFY -> "Modify"
-                        RxPagination.TransactionTypes.REPLACE_ALL -> "Replace All"
-                    }
-                )
-
-                Log.d("list", Gson().toJson(it.list.map { it.name }))
-
-                dataList.clear()
-                dataList.addAll(it.list)
+            .subscribe { dataList ->
+                this.dataList.clear()
+                this.dataList.addAll(dataList)
                 adapter.notifyDataSetChanged()
             }
             .addTo(bag)

app/src/main/java/com/mazenrashed/rxpagination/ui/MainActivity.kt

@@ -6,6 +6,17 @@
     android:layout_height="match_parent"
     tools:context=".ui.MainActivity">
 
+    <ProgressBar
+        android:id="@+id/progress_bar"
+        style="?android:attr/progressBarStyle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        android:elevation="2dp"/>
+
     <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
         android:id="@+id/refresh_layout"
         android:layout_width="0dp"
@@ -21,6 +32,7 @@
             app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
             tools:itemCount="4"
             tools:listitem="@layout/repo_item"/>
+
     </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
 </androidx.constraintlayout.widget.ConstraintLayout>