Skip used images (#5160)

* Only Review Images That Has No Usage

* Coding Standard Related Changes

* Coding Standard Changes - 1

* small change

data-client/src/main/java/org/wikipedia/dataclient/mwapi/MwQueryPage.java

@@ -25,6 +25,8 @@ public class MwQueryPage extends BaseModel {
     @SuppressWarnings("unused,NullableProblems") @NonNull private CategoryInfo categoryinfo;
     @SuppressWarnings("unused") @Nullable private List<LangLink> langlinks;
     @SuppressWarnings("unused") @Nullable private List<Revision> revisions;
+    @SuppressWarnings("unused") @SerializedName("fileusage") @Nullable private List<FileUsage> fileUsages;
+    @SuppressWarnings("unused") @SerializedName("globalusage") @Nullable private List<GlobalUsage> globalUsages;
     @SuppressWarnings("unused") @Nullable private List<Coordinates> coordinates;
     @SuppressWarnings("unused") @Nullable private List<Category> categories;
     @SuppressWarnings("unused") @Nullable private PageProps pageprops;
@@ -67,6 +69,14 @@ public class MwQueryPage extends BaseModel {
         return categories;
     }
 
+    @Nullable public List<GlobalUsage> globalUsages() {
+        return globalUsages;
+    }
+
+    @Nullable public List<FileUsage> fileUsages() {
+        return fileUsages;
+    }
+
     @Nullable public List<Coordinates> coordinates() {
         // TODO: Handle null values in lists during deserialization, perhaps with a new
         // @RequiredElements annotation and corresponding TypeAdapter
@@ -141,6 +151,28 @@ public class MwQueryPage extends BaseModel {
         title += "#" + fragment;
     }
 
+    public boolean checkWhetherFileIsUsedInWikis() {
+        if (globalUsages != null && globalUsages.size() > 0) {
+            return true;
+        }
+
+        if (fileUsages == null || fileUsages.size() == 0) {
+            return false;
+        }
+
+        final int totalCount = fileUsages.size();
+
+        /* Ignore usage under https://commons.wikimedia.org/wiki/User:Didym/Mobile_upload/
+           which has been a gallery of all of our uploads since 2014 */
+        for (final FileUsage fileUsage : fileUsages) {
+            if ( ! fileUsage.title().contains("User:Didym/Mobile upload")) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
     public static class Revision {
         @SerializedName("revid") private long revisionId;
         private String user;
@@ -228,6 +260,44 @@ public class MwQueryPage extends BaseModel {
         }
     }
 
+    public static class GlobalUsage {
+        @SerializedName("title") private String title;
+        @SerializedName("wiki")private String wiki;
+        @SerializedName("url") private String url;
+
+        public String getTitle() {
+            return title;
+        }
+
+        public String getWiki() {
+            return wiki;
+        }
+
+        public String getUrl() {
+            return url;
+        }
+
+
+    }
+
+    public static class FileUsage {
+        @SerializedName("pageid") private int pageid;
+        @SerializedName("ns") private int ns;
+        @SerializedName("title") private String title;
+
+        public int pageId() {
+            return pageid;
+        }
+
+        public int ns() {
+            return ns;
+        }
+
+        public String title() {
+            return title;
+        }
+    }
+
     public static class Category {
         @SuppressWarnings("unused") private int ns;
         @SuppressWarnings("unused,NullableProblems") @Nullable private String title;

data-client/src/main/java/org/wikipedia/dataclient/mwapi/MwQueryResponse.java

@@ -13,7 +13,7 @@ public class MwQueryResponse extends MwResponse {
 
     @SuppressWarnings("unused") @SerializedName("continue") @Nullable private Map<String, String> continuation;
 
-    @Nullable private MwQueryResult query;
+    @SerializedName("query") @Nullable private MwQueryResult query;
 
     public boolean batchComplete() {
         return batchComplete;

data-client/src/main/java/org/wikipedia/dataclient/mwapi/MwQueryResult.java

@@ -23,7 +23,7 @@ import java.util.Map;
 
 @SuppressWarnings("unused")
 public class MwQueryResult extends BaseModel implements PostProcessingTypeAdapter.PostProcessable {
-    @Nullable private List<MwQueryPage> pages;
+    @SerializedName("pages") @Nullable private List<MwQueryPage> pages;
     @Nullable private List<Redirect> redirects;
     @Nullable private List<ConvertedTitle> converted;
     @SerializedName("userinfo") private UserInfo userInfo;