Fixed #4908 : Thumbnail image is grey during upload (#4909)

* Fixed #4908 : Thumbnail image is grey during upload

* Test Added and minor changes

app/src/main/java/fr/free/nrw/commons/contributions/ContributionViewHolder.java

@@ -3,6 +3,7 @@ package fr.free.nrw.commons.contributions;
 import android.net.Uri;
 import android.text.TextUtils;
 import android.view.View;
+import android.webkit.URLUtil;
 import android.widget.ImageButton;
 import android.widget.ProgressBar;
 import android.widget.RelativeLayout;
@@ -23,6 +24,7 @@ import fr.free.nrw.commons.media.MediaClient;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.schedulers.Schedulers;
+import java.io.File;
 
 public class ContributionViewHolder extends RecyclerView.ViewHolder {
 
@@ -58,6 +60,7 @@ public class ContributionViewHolder extends RecyclerView.ViewHolder {
     private boolean isWikipediaButtonDisplayed;
     private AlertDialog pausingPopUp;
     private View parent;
+    private ImageRequest imageRequest;
 
     ContributionViewHolder(final View parent, final Callback callback,
         final MediaClient mediaClient) {
@@ -96,11 +99,18 @@ public class ContributionViewHolder extends RecyclerView.ViewHolder {
         final String imageSource = chooseImageSource(contribution.getMedia().getThumbUrl(),
             contribution.getLocalUri());
         if (!TextUtils.isEmpty(imageSource)) {
-            final ImageRequest imageRequest =
+            if (URLUtil.isHttpsUrl(imageSource)) {
-                ImageRequestBuilder.newBuilderWithSource(Uri.parse(imageSource))
+                imageRequest = ImageRequestBuilder.newBuilderWithSource(Uri.parse(imageSource))
                     .setProgressiveRenderingEnabled(true)
                     .build();
-            imageView.setImageRequest(imageRequest);
+            } else if(imageSource != null) {
+                final File file = new File(imageSource);
+                imageRequest = ImageRequest.fromFile(file);
+            }
+
+            if(imageRequest != null){
+                imageView.setImageRequest(imageRequest);
+            }
         }
 
         seqNumView.setText(String.valueOf(position + 1));
@@ -280,4 +290,8 @@ public class ContributionViewHolder extends RecyclerView.ViewHolder {
         pauseResumeButton.setImageResource(R.drawable.play_icon);
         pauseResumeButton.setTag(parent.getContext().getString(R.string.resume));
     }
+
+    public ImageRequest getImageRequest() {
+        return imageRequest;
+    }
 }

app/src/test/kotlin/fr/free/nrw/commons/contributions/ContributionViewHolderUnitTests.kt

@@ -10,7 +10,9 @@ import android.widget.RelativeLayout
 import android.widget.TextView
 import com.facebook.drawee.backends.pipeline.Fresco
 import com.facebook.drawee.view.SimpleDraweeView
+import com.facebook.imagepipeline.request.ImageRequest
 import com.facebook.soloader.SoLoader
+import com.nhaarman.mockitokotlin2.verify
 import fr.free.nrw.commons.Media
 import fr.free.nrw.commons.R
 import fr.free.nrw.commons.TestCommonsApplication
@@ -22,7 +24,8 @@ import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.mockito.Mock
-import org.mockito.Mockito.`when`
+import org.mockito.Mockito
+import org.mockito.Mockito.*
 import org.mockito.MockitoAnnotations
 import org.powermock.reflect.Whitebox
 import org.robolectric.Robolectric
@@ -31,6 +34,7 @@ import org.robolectric.RuntimeEnvironment
 import org.robolectric.Shadows
 import org.robolectric.annotation.Config
 import org.robolectric.annotation.LooperMode
+import java.io.File
 import java.lang.reflect.Method
 
 @RunWith(RobolectricTestRunner::class)
@@ -324,4 +328,36 @@ class ContributionViewHolderUnitTests {
         contributionViewHolder.init(0, contribution)
     }
 
+    @Test
+    @Throws(Exception::class)
+    fun testInitCaseImageSource_HttpURL() {
+        Shadows.shadowOf(Looper.getMainLooper()).idle()
+        `when`(contribution.media).thenReturn(media)
+        `when`(contribution.media.thumbUrl).thenReturn("https://demo/sample.png")
+        `when`(contribution.localUri).thenReturn(null)
+        contributionViewHolder.init(0, contribution)
+        Assert.assertNotNull(contributionViewHolder.imageRequest)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testInitCaseImageSource_NULL() {
+        Shadows.shadowOf(Looper.getMainLooper()).idle()
+        `when`(contribution.media).thenReturn(media)
+        `when`(contribution.media.thumbUrl).thenReturn(null)
+        `when`(contribution.localUri).thenReturn(null)
+        contributionViewHolder.init(0, contribution)
+        Assert.assertNull(contributionViewHolder.imageRequest)
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun testInitCaseImageSource_LocalUri() {
+        Shadows.shadowOf(Looper.getMainLooper()).idle()
+        `when`(contribution.media).thenReturn(media)
+        `when`(contribution.media.thumbUrl).thenReturn(null)
+        `when`(contribution.localUri).thenReturn(Uri.parse("/data/android/demo.png"))
+        contributionViewHolder.init(0, contribution)
+        Assert.assertNotNull(contributionViewHolder.imageRequest)
+    }
 }