Move thanks API into main commons codebase (#5463)

* Move thanks API into main commons codebase

* KDoc

* KDoc

---------

Co-authored-by: Nicolas Raoul <nicolas.raoul@gmail.com>

app/src/main/java/fr/free/nrw/commons/actions/MwThankPostResponse.kt

@@ -0,0 +1,18 @@
+package fr.free.nrw.commons.actions
+
+import org.wikipedia.dataclient.mwapi.MwResponse
+
+/**
+ * Response of the Thanks API.
+ * Context:
+ * The Commons Android app lets you thank other contributors who have uploaded a great picture.
+ * See https://www.mediawiki.org/wiki/Extension:Thanks
+ */
+class MwThankPostResponse : MwResponse() {
+    var result: Result? = null
+
+    inner class Result {
+        var success: Int? = null
+        var recipient: String? = null
+    }
+}

app/src/main/java/fr/free/nrw/commons/actions/ThanksClient.kt

@@ -4,8 +4,6 @@ import fr.free.nrw.commons.CommonsApplication
 import fr.free.nrw.commons.di.NetworkingModule.NAMED_COMMONS_CSRF
 import io.reactivex.Observable
 import org.wikipedia.csrf.CsrfTokenClient
-import org.wikipedia.dataclient.Service
-import org.wikipedia.dataclient.mwapi.MwPostResponse
 import javax.inject.Inject
 import javax.inject.Named
 import javax.inject.Singleton
@@ -17,7 +15,7 @@ import javax.inject.Singleton
 @Singleton
 class ThanksClient @Inject constructor(
     @param:Named(NAMED_COMMONS_CSRF) private val csrfTokenClient: CsrfTokenClient,
-    @param:Named("commons-service") private val service: Service
+    private val service: ThanksInterface
 ) {
     /**
      * Thanks a user for a particular revision
@@ -26,11 +24,16 @@ class ThanksClient @Inject constructor(
      */
     fun thank(revisionId: Long): Observable<Boolean> {
         return try {
-            service.thank(revisionId.toString(), null, csrfTokenClient.tokenBlocking, CommonsApplication.getInstance().userAgent)
-                .map { mwThankPostResponse -> mwThankPostResponse.result.success== 1 }
+            service.thank(
+                revisionId.toString(),                      // Rev
+                null,                                       // Log
+                csrfTokenClient.tokenBlocking,              // Token
+                CommonsApplication.getInstance().userAgent  // Source
+            ).map {
+                mwThankPostResponse -> mwThankPostResponse.result?.success == 1
+            }
         } catch (throwable: Throwable) {
             Observable.just(false)
         }
     }
-
 }

app/src/main/java/fr/free/nrw/commons/actions/ThanksInterface.kt

@@ -0,0 +1,24 @@
+package fr.free.nrw.commons.actions
+
+import io.reactivex.Observable
+import org.wikipedia.dataclient.Service
+import retrofit2.http.Field
+import retrofit2.http.FormUrlEncoded
+import retrofit2.http.POST
+
+/**
+ * Thanks API.
+ * Context:
+ * The Commons Android app lets you thank another contributor who has uploaded a great picture.
+ * See https://www.mediawiki.org/wiki/Extension:Thanks
+ */
+interface ThanksInterface {
+    @FormUrlEncoded
+    @POST(Service.MW_API_PREFIX + "action=thank")
+    fun thank(
+        @Field("rev") rev: String?,
+        @Field("log") log: String?,
+        @Field("token") token: String,
+        @Field("source") source: String?
+    ): Observable<MwThankPostResponse?>
+}

app/src/main/java/fr/free/nrw/commons/di/NetworkingModule.java

@@ -9,6 +9,7 @@
 import fr.free.nrw.commons.BuildConfig;
 import fr.free.nrw.commons.actions.PageEditClient;
 import fr.free.nrw.commons.actions.PageEditInterface;
+import fr.free.nrw.commons.actions.ThanksInterface;
 import fr.free.nrw.commons.category.CategoryInterface;
 import fr.free.nrw.commons.explore.depictions.DepictsClient;
 import fr.free.nrw.commons.kvstore.JsonKvStore;
@@ -256,6 +257,14 @@ public CategoryInterface provideCategoryInterface(
                .get(commonsWikiSite, BuildConfig.COMMONS_URL, CategoryInterface.class);
     }
 
+    @Provides
+    @Singleton
+    public ThanksInterface provideThanksInterface(
+        @Named(NAMED_COMMONS_WIKI_SITE) WikiSite commonsWikiSite) {
+        return ServiceFactory
+               .get(commonsWikiSite, BuildConfig.COMMONS_URL, ThanksInterface.class);
+    }
+
     @Provides
     @Singleton
     public UserInterface provideUserInterface(@Named(NAMED_COMMONS_WIKI_SITE) WikiSite commonsWikiSite) {

app/src/test/kotlin/fr/free/nrw/commons/actions/ThanksClientTest.kt

@@ -25,7 +25,7 @@ class ThanksClientTest {
     @Mock
     private lateinit var csrfTokenClient: CsrfTokenClient
     @Mock
-    private lateinit var service: Service
+    private lateinit var service: ThanksInterface
 
     @Mock
     private lateinit var commonsApplication: CommonsApplication

data-client/src/main/java/org/wikipedia/dataclient/Service.java

@@ -11,7 +11,6 @@
 import org.wikipedia.dataclient.mwapi.page.MwMobileViewPageLead;
 import org.wikipedia.dataclient.mwapi.page.MwMobileViewPageRemaining;
 import org.wikipedia.dataclient.mwapi.page.MwQueryPageSummary;
-import org.wikipedia.dataclient.mwapi.page.MwThankPostResponse;
 import org.wikipedia.edit.Edit;
 import org.wikipedia.edit.preview.EditPreview;
 import org.wikipedia.login.LoginClient;
@@ -191,14 +190,6 @@ public interface Service {
     @NonNull Observable<MwQueryResponse> getCategoryMembers(@NonNull @Query("cmtitle") String title,
                                                             @Nullable @Query("cmcontinue") String continueStr);
 
-    @FormUrlEncoded
-    @POST(MW_API_PREFIX + "action=thank")
-    @NonNull Observable<MwThankPostResponse> thank(@Nullable @Field("rev") String rev,
-                                              @Nullable @Field("log") String log,
-                                              @NonNull @Field("token") String token,
-                                              @Nullable @Field("source") String source);
-
-
     // ------- CSRF, Login, and Create Account -------
 
     @Headers("Cache-Control: no-cache")