fix:Content for Error fetching event (#1366)

app/schemas/org.fossasia.openevent.general.OpenEventDatabase/1.json

@@ -1074,4 +1074,4 @@
       "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, \"0b3cd25764884626e03f56b0600d1c76\")"
     ]
   }
-}
+}

app/src/main/java/org/fossasia/openevent/general/event/EventDetailsFragment.kt

@@ -45,6 +45,9 @@ import kotlinx.android.synthetic.main.content_event.view.seeMore
 import kotlinx.android.synthetic.main.content_event.view.seeMoreOrganizer
 import kotlinx.android.synthetic.main.fragment_event.view.eventCoordinatorLayout
 import kotlinx.android.synthetic.main.fragment_event.view.buttonTickets
+import kotlinx.android.synthetic.main.fragment_event.view.eventErrorCard
+import kotlinx.android.synthetic.main.fragment_event.view.container
+import kotlinx.android.synthetic.main.content_fetching_event_error.view.retry
 import org.fossasia.openevent.general.CircleTransform
 import org.fossasia.openevent.general.R
 import org.fossasia.openevent.general.about.AboutEventFragmentArgs
@@ -98,6 +101,7 @@ class EventDetailsFragment : Fragment() {
                 runOnce = false
 
                 Timber.d("Fetched events of id %d", safeArgs.eventId)
+                showEventErrorScreen(false)
             })
     }
 
@@ -121,10 +125,14 @@ class EventDetailsFragment : Fragment() {
         eventViewModel.error
             .nonNull()
             .observe(viewLifecycleOwner, Observer {
+                showEventErrorScreen(true)
                 Snackbar.make(rootView.eventCoordinatorLayout, it, Snackbar.LENGTH_LONG).show()
             })
 
         eventViewModel.loadEvent(safeArgs.eventId)
+        rootView.retry.setOnClickListener {
+            eventViewModel.loadEvent(safeArgs.eventId)
+        }
 
         // Set toolbar title to event name
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
@@ -383,4 +391,9 @@ class EventDetailsFragment : Fragment() {
     private fun setFavoriteIcon(id: Int) {
         menuActionBar?.findItem(R.id.favorite_event)?.icon = context?.let { ContextCompat.getDrawable(it, id) }
     }
+
+    private fun showEventErrorScreen(show: Boolean) {
+        rootView.container.visibility = if (!show) View.VISIBLE else View.GONE
+        rootView.eventErrorCard.visibility = if (show) View.VISIBLE else View.GONE
+    }
 }

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

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.cardview.widget.CardView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/eventErrorCard"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_margin="@dimen/layout_margin_medium"
+    app:cardBackgroundColor="@android:color/white"
+    app:cardCornerRadius="@dimen/card_corner_radius"
+    app:cardElevation="@dimen/card_elevation">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="@dimen/layout_margin_extra_large"
+        android:orientation="vertical">
+
+        <ImageView
+            android:id="@+id/noInternetImageView"
+            android:layout_width="@dimen/item_image_view_large"
+            android:layout_height="@dimen/item_image_view_large"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="@dimen/layout_margin_large"
+            android:scaleType="centerCrop"
+            app:srcCompat="@drawable/ic_no_internet" />
+
+        <TextView
+            android:id="@+id/noInternetTextview"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="@dimen/layout_margin_large"
+            android:text="@string/error_fetching_events"
+            android:textSize="@dimen/text_size_medium"
+            />
+
+        <TextView
+            android:id="@+id/retry"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="@dimen/layout_margin_large"
+            android:text="@string/retry"
+            android:textColor="@color/colorPrimary"
+            style="@style/Widget.AppCompat.Button.Borderless"
+            tools:text="RETRY" />
+    </LinearLayout>
+
+</androidx.cardview.widget.CardView>

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

@@ -5,8 +5,12 @@
     android:id="@+id/eventCoordinatorLayout"
     android:background="@android:color/white"
     android:layout_height="match_parent">
-
+    <include
+        android:id="@+id/eventErrorCard"
+        layout="@layout/content_fetching_event_error"
+        android:visibility="gone" />
     <FrameLayout
+        android:id="@+id/container"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         app:layout_dodgeInsetEdges="bottom">

app/src/main/res/values-bn-rIN/strings.xml

@@ -18,6 +18,7 @@
     <string name="whats_good">কি ভালো এটাই</string>
     <string name="where">কোথায়?</string>
     <string name="no_internet_message">যোগাযোগ করতে অসুবিধা হচ্ছে. পরে চেষ্টা করুন.</string>
+    <string name="error_fetching_events">আমরা ইভেন্ট আনতে অসুবিধা হচ্ছে। পরে আবার চেষ্টা করুন</string>
     <string name="tickets_sold_out">দুঃখিত, সব টিকেট শেষ হয়ে গেছে !</string>
     <string name="retry">আবার চেষ্টা করুন</string>
     <string name="more_like_this">আরো এটার মতো </string>

app/src/main/res/values-vi/strings.xml

@@ -13,6 +13,7 @@
     <string name="whats_good">Sự kiện thú vị tại</string>
     <string name="where">Ở đâu?</string>
     <string name="no_internet_message">Ứng dụng gặp sự cố kĩ thuật. Xin hãy kiểm tra lại kết nối hoặc thử lại</string>
+    <string name="error_fetching_events">Chúng tôi đang gặp khó khăn khi tìm nạp sự kiện. Thử lại sau.</string>
     <string name="tickets_sold_out">Xin lỗi, sự kiện đã bán hết vé!</string>
     <string name="retry">Thử Lại</string>
     <string name="more_like_this">Sự kiện tương tự</string>

app/src/main/res/values/strings.xml

@@ -18,6 +18,7 @@
     <string name="whats_good">What\'s good in</string>
     <string name="where">where?</string>
     <string name="no_internet_message">We\'re having difficulty connecting to the server. Check your connection or try again later.</string>
+    <string name="error_fetching_events">We\'re having difficulty fetching event. Try again later.</string>
     <string name="tickets_sold_out">Sorry, All tickets for this event have been sold out!</string>
     <string name="retry">RETRY</string>
     <string name="more_like_this">More like this</string>