Merge branch 'feature/article_photos' into develop

.idea/codeStyles/Project.xml

 <component name="ProjectCodeStyleConfiguration">
   <code_scheme name="Project" version="173">
+    <AndroidXmlCodeStyleSettings>
+      <option name="ARRANGEMENT_SETTINGS_MIGRATED_TO_191" value="true" />
+    </AndroidXmlCodeStyleSettings>
     <JetCodeStyleSettings>
       <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
     </JetCodeStyleSettings>

app/src/main/java/com/biganto/visual/roompark/domain/interactor/articles.kt

@@ -13,6 +13,10 @@ class ArticlesInteractor @Inject constructor(
 
     fun fetchArticles(feed:String) =
         uc.getArticles(feed)
+
+    fun fetchArticlesPage(feed:String,pageSize:Int,current:Int) =
+        uc.fetchArticlesPage(feed,pageSize,current)
+
 }
 
 

app/src/main/java/com/biganto/visual/roompark/presentation/screen/article/ScreenContract.kt

 package com.biganto.visual.roompark.presentation.screen.article
 
 import com.biganto.visual.roompark.conductor.BigantoBaseContract
+import com.biganto.visual.roompark.domain.model.FeedModel
+import io.reactivex.Observable
 
 /**
  * Created by Vladislav Bogdashkin on 30.09.2019.

app/src/main/java/com/biganto/visual/roompark/presentation/screen/article/ScreenController.kt

@@ -13,9 +13,14 @@ import com.biganto.visual.roompark.R
 import com.biganto.visual.roompark.base.RoomParkApplication
 import com.biganto.visual.roompark.base.RoomParkMainActivity
 import com.biganto.visual.roompark.conductor.BigantoBaseController
+import com.biganto.visual.roompark.conductor.dialogs.PhotoDialogController
+import com.biganto.visual.roompark.conductor.dialogs.change_handler.DialogChangeHandler
+import com.biganto.visual.roompark.presentation.screen.article.util.ArticleBottomPhotoAdapter
 import com.biganto.visual.roompark.presentation.screen.article.util.HtmlPageAdapter
 import com.biganto.visual.roompark.presentation.screen.article.util.HtmlTag
 import com.biganto.visual.roompark.util.extensions.formatToSimple
+import com.biganto.visual.roompark.util.extensions.setGone
+import com.bluelinelabs.conductor.RouterTransaction
 import com.bumptech.glide.Glide
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import com.google.android.material.textview.MaterialTextView
@@ -44,6 +49,7 @@ class ArticleScreenController :
         getComponent()
     }
 
+
     @Inject
     override lateinit var injectedPresenter: ArticleScreenPresenter
 
@@ -56,6 +62,9 @@ class ArticleScreenController :
     @BindView(R.id.articleBodyRecyclerView)
     lateinit var articleRecyclerView: RecyclerView
 
+    @BindView(R.id.article_photos_recylcerView)
+    lateinit var bottomPhotosRecyclerView: RecyclerView
+
     private val blurPreview:ImageView by lazy {
        headerBlock.findViewById<ImageView>(R.id.articlePreviewBlurred)
     }
@@ -79,12 +88,28 @@ class ArticleScreenController :
             LinearLayoutManager(activity, RecyclerView.VERTICAL, false)
         articleRecyclerView.adapter = HtmlPageAdapter()
         articleRecyclerView.itemAnimator = null
+
+        bottomPhotosRecyclerView.layoutManager =
+            LinearLayoutManager(activity, RecyclerView.HORIZONTAL, false)
+        bottomPhotosRecyclerView.adapter = ArticleBottomPhotoAdapter()
+        bottomPhotosRecyclerView.itemAnimator = null
+
     }
 
     override fun onViewBound(v: View) {
         toolBar.setToolbar()
         bottomNavigationController.hide()
         bindRecycler()
+        detachDisposable.add(
+            (bottomPhotosRecyclerView.adapter as ArticleBottomPhotoAdapter)
+                .onItemClicked
+                .subscribe { router.pushController(
+                    RouterTransaction.with(PhotoDialogController(it.url))
+                        .pushChangeHandler(DialogChangeHandler())
+                        .popChangeHandler(DialogChangeHandler())
+                )
+                }
+        )
     }
 
     override fun render(viewState: ArticleScreenViewState) {
@@ -121,6 +146,11 @@ class ArticleScreenController :
 
         articleDate.text = viewState.item.published.formatToSimple
 
+        bottomPhotosRecyclerView.setGone(viewState.item.bottomPhotoList.isNullOrEmpty())
+        viewState.item.bottomPhotoList?.let {
+            (bottomPhotosRecyclerView.adapter as ArticleBottomPhotoAdapter).setItems(it)
+        }
+
         Glide.with(blurPreview)
             .load(viewState.item.previewUrl)
             .transform(BlurTransformation(40,4))

app/src/main/java/com/biganto/visual/roompark/presentation/screen/article/util/articleBottomPhotoAdapter.kt

+package com.biganto.visual.roompark.presentation.screen.article.util
+
+import android.view.View
+import com.biganto.visual.roompark.R
+import com.biganto.visual.roompark.data.repository.db.requrey.TitledPhoto
+import com.biganto.visual.roompark.presentation.screen.settings.util.CommonRecyclerAdapter
+import com.biganto.visual.roompark.presentation.screen.settings.util.CommonViewHolder
+import com.biganto.visual.roompark.util.view_utils.image_view.RoundedImageView
+import com.bumptech.glide.Glide
+import com.bumptech.glide.load.engine.DiskCacheStrategy
+import kotlin.reflect.KClass
+
+/**
+ * Created by Vladislav Bogdashkin on 29.01.2020.
+ */
+
+
+
+class ArticleBottomPhotoAdapter : CommonRecyclerAdapter<ArticleBottomPhotoViewHolder,TitledPhoto>() {
+    override val vhKlazz: KClass<ArticleBottomPhotoViewHolder>
+        get() = ArticleBottomPhotoViewHolder::class
+
+    override fun getVhLayout(): Int = R.layout.photo_article_slider_viewholder
+
+}
+
+class ArticleBottomPhotoViewHolder(itemView: View) : CommonViewHolder<TitledPhoto>(itemView){
+
+    override fun onViewBound(model: TitledPhoto) {
+//        articleTitle.text = model.title
+        Glide.with(itemView)
+            .load(model.url)
+            .centerCrop()
+            .fitCenter()
+            .diskCacheStrategy(DiskCacheStrategy.ALL)
+            .into((itemView as RoundedImageView))
+    }
+
+}

app/src/main/java/com/biganto/visual/roompark/presentation/screen/feed_list/ScreenContract.kt

 package com.biganto.visual.roompark.presentation.screen.feed_list
 
 import com.biganto.visual.roompark.conductor.BigantoBaseContract
+import io.reactivex.Observable
 
 /**
  * Created by Vladislav Bogdashkin on 30.09.2019.
  */
 
 interface ArticlesScreen : BigantoBaseContract<ArticlesScreenViewState> {
+    fun requsetsNewArticles(): Observable<Int>
 }
 

app/src/main/java/com/biganto/visual/roompark/presentation/screen/feed_list/ScreenController.kt

@@ -3,6 +3,7 @@ package com.biganto.visual.roompark.presentation.screen.feed_list
 import android.view.View
 import android.widget.ProgressBar
 import androidx.core.os.bundleOf
+import androidx.core.view.isNotEmpty
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import butterknife.BindView
@@ -17,7 +18,11 @@ import com.biganto.visual.roompark.util.extensions.setGone
 import com.biganto.visual.roompark.util.view_utils.grid.CeilsDecoration
 import com.bluelinelabs.conductor.RouterTransaction
 import com.google.android.material.textview.MaterialTextView
+import com.jakewharton.rxbinding3.recyclerview.scrollStateChanges
+import io.reactivex.Observable
+import io.reactivex.android.schedulers.AndroidSchedulers
 import timber.log.Timber
+import java.util.concurrent.TimeUnit
 import javax.inject.Inject
 
 /**
@@ -37,6 +42,17 @@ class ArticlesScreenController  :
 
     constructor(feedAlias:String):super(bundleOf(FEED_ALIAS to feedAlias))
 
+    override fun requsetsNewArticles(): Observable<Int> =
+        articlesRecyclerView.scrollStateChanges()
+            .filter { it == RecyclerView.SCROLL_STATE_IDLE}
+            .map { articlesRecyclerView.layoutManager as LinearLayoutManager }
+            .map { it.findLastCompletelyVisibleItemPosition() }
+            .filter{ articlesRecyclerView.isNotEmpty() }
+            .filter { it>(articlesRecyclerView.adapter?.itemCount?:0)-4 }
+            .map { articlesRecyclerView.adapter?.itemCount?:0 }
+            .debounce(120L, TimeUnit.MILLISECONDS)
+            .observeOn(AndroidSchedulers.mainThread())
+
     override fun injectDependencies() {
         getComponent()
     }
@@ -106,6 +122,8 @@ class ArticlesScreenController  :
         when(viewState){
             is ArticlesScreenViewState.Idle -> render(viewState)
             is ArticlesScreenViewState.ArticlesLoaded -> render(viewState)
+            is ArticlesScreenViewState.ArticlesScrollPage -> render(viewState)
+            is ArticlesScreenViewState.RestoreView -> render(viewState)
             is ArticlesScreenViewState.SomeError -> render(viewState)
         }
     }
@@ -122,6 +140,29 @@ class ArticlesScreenController  :
     }
 
 
+    private fun render(viewState: ArticlesScreenViewState.ArticlesScrollPage){
+        Timber.d("got items: ${viewState.items.size}")
+        (articlesRecyclerView.adapter as ArticlesAdapter).addItems(viewState.items)
+    }
+
+    private fun render(viewState: ArticlesScreenViewState.RestoreView){
+        progressBar.setGone(true)
+        emptyListNotice.setGone(true)
+        articlesRecyclerView.setGone(true)
+        if (viewState.restore.articles.isNullOrEmpty())
+        {
+            emptyListNotice.setGone(false)
+            articlesRecyclerView.setGone(true)
+        }
+        else{
+            emptyListNotice.setGone(true)
+            articlesRecyclerView.setGone(false)
+            (articlesRecyclerView.adapter as ArticlesAdapter).setItems(viewState.restore.articles)
+        }
+    }
+
+
+
     private fun render(viewState: ArticlesScreenViewState.ArticlesLoaded) {
         progressBar.setGone(true)
         emptyListNotice.setGone(true)

app/src/main/java/com/biganto/visual/roompark/presentation/screen/feed_list/ScreenPresenter.kt

@@ -14,6 +14,8 @@ import javax.inject.Named
  * Created by Vladislav Bogdashkin on 30.09.2019.
  */
 
+private const val FEED_PAGE_SIZE = 10
+
 
 class ArticlesScreenPresenter @Inject constructor(
     @Named(FEED_ALIAS) private val feedId:String,
@@ -21,6 +23,14 @@ class ArticlesScreenPresenter @Inject constructor(
 )
     : BigantoBasePresenter<ArticlesScreen, ArticlesScreenViewState>() {
 
+    private val restoreModel = RestoreModel(mutableListOf())
+
+    override fun detachView() {
+        super.detachView()
+        restoreStateObservable.accept(ArticlesScreenViewState.RestoreView(restoreModel))
+    }
+
+
     override fun defaultErrorViewStateHandler() =
         {e: ExceptionString -> ArticlesScreenViewState.SomeError(e)}
 
@@ -31,8 +41,21 @@ class ArticlesScreenPresenter @Inject constructor(
             .map<ArticlesScreenViewState>{ ArticlesScreenViewState.ArticlesLoaded(it.articles) }
             .startWith(Observable.just<ArticlesScreenViewState>(ArticlesScreenViewState.Idle()))
 
+        val  getNewArticlesPage = intent(ArticlesScreen::requsetsNewArticles)
+            .flatMap { interactor.fetchArticlesPage(feedId, FEED_PAGE_SIZE,it) }
+            .map<ArticlesScreenViewState> {articlePage ->
+                articlePage.articles
+                    .asSequence()
+                    .filter { !restoreModel.articles.contains(it) }
+                    .toList()
+                    .let {uniqueItems->restoreModel.articles.addAll(uniqueItems)}
+                ArticlesScreenViewState.ArticlesScrollPage(articlePage.articles.toList())
+            }
+            .onErrorReturn (::parseError)
+
         val state = restoreStateObservable
             .mergeWith(prefetchCards)
+            .mergeWith(getNewArticlesPage)
             .doOnError{ Timber.e(it)}
             .onErrorReturn(::parseError)
             .subscribeOn(Schedulers.io())

app/src/main/java/com/biganto/visual/roompark/presentation/screen/feed_list/ScreenViewState.kt

@@ -13,4 +13,11 @@ sealed class ArticlesScreenViewState : BigantoBaseViewState() {
     class Idle : ArticlesScreenViewState()
     class ArticlesLoaded(val items: List<ArticlePreviewModel>) : ArticlesScreenViewState()
     class SomeError(val exception: ExceptionString) : ArticlesScreenViewState()
-}
+    class ArticlesScrollPage(val items:List<ArticlePreviewModel>) : ArticlesScreenViewState()
\ No newline at end of file
+    class RestoreView(val restore:RestoreModel) : ArticlesScreenViewState()
+}
+
+
+data class RestoreModel(
+    var articles:MutableList<ArticlePreviewModel>
+)
\ No newline at end of file

app/src/main/java/com/biganto/visual/roompark/presentation/screen/feeds/ScreenController.kt

@@ -96,9 +96,8 @@ class FeedsScreenController  :
             .filter { it == RecyclerView.SCROLL_STATE_IDLE}
             .map { feedsRecyclerView.layoutManager as LinearLayoutManager }
             .map { it.findLastCompletelyVisibleItemPosition() }
-            .doOnNext { Timber.d("Visible items $it of ${(feedsRecyclerView.adapter?.itemCount?:0) - 3}") }
             .filter{ storedFeedsList.isNotEmpty() }
-            .filter { it>(feedsRecyclerView.adapter?.itemCount?:0)-2 }
+            .filter { it>(feedsRecyclerView.adapter?.itemCount?:0)-4 }
             .map { feedsRecyclerView.adapter?.itemCount?:0 }
             .map { Pair(storedFeedsList[feedsTabs.selectedTabPosition],it)}
             .debounce(120L,TimeUnit.MILLISECONDS)

app/src/main/java/com/biganto/visual/roompark/presentation/screen/feeds/ScreenPresenter.kt

@@ -13,7 +13,7 @@ import javax.inject.Inject
  * Created by Vladislav Bogdashkin on 30.09.2019.
  */
 
-const val FEED_PREVIEW_PAGE_SIZE = 10
+private const val FEED_PREVIEW_PAGE_SIZE = 10
 
 class FeedsScreenPresenter @Inject constructor(
     private val interactor: FeedsInteractor
@@ -28,7 +28,8 @@ class FeedsScreenPresenter @Inject constructor(
         arrayListOf(),
         arrayListOf(),
         arrayListOf(),
-        arrayListOf())
+        mutableListOf()
+    )
 
 
     override fun attachView(view: FeedsScreen) {
@@ -67,9 +68,13 @@ class FeedsScreenPresenter @Inject constructor(
 
         val  getFeedArticlesPreview = intent(FeedsScreen::feedsTabSelected)
             .flatMap { interactor.fetchArticles(it) }
-            .map<FeedsScreenViewState> {
-                restoreModel.articles = it.articles
-                FeedsScreenViewState.GetFeedArticlesPreview(it.articles.toList())
+            .map<FeedsScreenViewState> {articlePage ->
+                articlePage.articles
+                    .asSequence()
+                    .filter { !restoreModel.articles.contains(it) }
+                    .toList()
+                    .let {uniqueItems->restoreModel.articles.addAll(uniqueItems)}
+                FeedsScreenViewState.GetFeedArticlesPreview(articlePage.articles.toList())
             }
             .onErrorReturn (::parseError)
 
@@ -95,10 +100,14 @@ class FeedsScreenPresenter @Inject constructor(
 
         val  getNewArticlesPage = intent(FeedsScreen::requsetsNewArticles)
             .flatMap { interactor.fetchArticles(it.first.alias, FEED_PREVIEW_PAGE_SIZE,it.second) }
-            .map<FeedsScreenViewState> {
-                restoreModel.articles = it.articles
-                Timber.d("arrived list: ${it.articles.size}")
-                FeedsScreenViewState.ArticlesScrollPage(it.articles.toList())
+            .map<FeedsScreenViewState> {articlePage ->
+                articlePage.articles
+                    .asSequence()
+                    .filter { !restoreModel.articles.contains(it) }
+                    .toList()
+                    .let {uniqueItems->restoreModel.articles.addAll(uniqueItems)}
+
+                FeedsScreenViewState.ArticlesScrollPage(articlePage.articles.toList())
             }
             .onErrorReturn (::parseError)
 

app/src/main/java/com/biganto/visual/roompark/presentation/screen/feeds/ScreenViewState.kt

@@ -38,5 +38,5 @@ data class RestoreModel(
     var feeds:List<FeedModel>,
     var albums:List<AlbumPreviewModel>,
     var cams:List<WebCamModel>,
-    var articles:List<ArticlePreviewModel>
+    var articles:MutableList    <ArticlePreviewModel>
 )
\ No newline at end of file

app/src/main/res/layout/feed_read_header.xml

@@ -16,19 +16,17 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        app:srcCompat="@drawable/default_image_placeholder" />
+        app:layout_constraintTop_toTopOf="parent" />
 
     <com.biganto.visual.roompark.util.view_utils.image_view.RoundedImageView
         android:id="@+id/articlePreview"
-        app:image_corner_radius="4dp"
         android:layout_width="125dp"
         android:layout_height="125dp"
         android:layout_marginStart="16dp"
         android:layout_marginTop="44dp"
+        app:image_corner_radius="4dp"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        app:srcCompat="@drawable/ic_favorites" />
+        app:layout_constraintTop_toTopOf="parent" />
 
     <com.google.android.material.textview.MaterialTextView
         android:id="@+id/articleDate"
@@ -37,7 +35,6 @@
         android:layout_height="wrap_content"
         android:layout_marginStart="24dp"
         android:includeFontPadding="false"
-        android:text="22 / 02 / 2019"
         android:visibility="visible"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"

app/src/main/res/layout/feed_read_screen.xml

 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    xmlns:tools="http://schemas.android.com/tools">
 
 <androidx.core.widget.NestedScrollView
 
@@ -35,8 +35,18 @@
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/articleBodyRecyclerView"
             android:layout_width="match_parent"
-
             android:layout_height="wrap_content" />
+
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/article_photos_recylcerView"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="32dp"
+            android:background="@color/colorOpacityBackground"
+            android:orientation="horizontal"
+            android:paddingBottom="16dp"
+            tools:listitem="@layout/photo_viewholder" />
     </LinearLayout>
 
 </androidx.core.widget.NestedScrollView>

app/src/main/res/layout/photo_article_slider_viewholder.xml

+<?xml version="1.0" encoding="utf-8"?>
+<com.biganto.visual.roompark.util.view_utils.image_view.RoundedImageView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="256dp"
+    android:layout_height="228dp"
+    android:layout_margin="16dp"
+    android:scaleType="centerCrop"
+    app:image_corner_radius="4dp" />
\ No newline at end of file