Add Moshi adapter for FreshRSS folders api call

app/src/main/java/com/readrops/app/repositories/FreshRSSRepository.java

@@ -20,13 +20,11 @@ import com.readrops.readropslibrary.services.SyncType;
 import com.readrops.readropslibrary.services.freshrss.FreshRSSAPI;
 import com.readrops.readropslibrary.services.freshrss.FreshRSSCredentials;
 import com.readrops.readropslibrary.services.freshrss.FreshRSSSyncData;
-import com.readrops.readropslibrary.services.freshrss.json.FreshRSSFolder;
 import com.readrops.readropslibrary.services.freshrss.json.FreshRSSItem;
 
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import java.util.StringTokenizer;
 
 import io.reactivex.Completable;
 import io.reactivex.Observable;
@@ -199,22 +197,8 @@ public class FreshRSSRepository extends ARepository<FreshRSSAPI> {
 
     }
 
-    private void insertFolders(List<FreshRSSFolder> freshRSSFolders) {
+    private void insertFolders(List<Folder> freshRSSFolders) {
-        List<Folder> folders = new ArrayList<>();
+        database.folderDao().foldersUpsert(freshRSSFolders, account);
-
-        for (FreshRSSFolder freshRSSFolder : freshRSSFolders) {
-            if (freshRSSFolder.getType() != null && freshRSSFolder.getType().equals("folder")) {
-                List<Object> tokens = Collections.list(new StringTokenizer(freshRSSFolder.getId(), "/"));
-
-                Folder folder = new Folder((String) tokens.get(tokens.size() - 1));
-                folder.setRemoteId(freshRSSFolder.getId());
-                folder.setAccountId(account.getId());
-
-                folders.add(folder);
-            }
-        }
-
-        database.folderDao().foldersUpsert(folders, account);
     }
 
     private void insertItems(List<FreshRSSItem> items, boolean initialSync) {

readropslibrary/src/main/java/com/readrops/readropslibrary/services/freshrss/FreshRSSAPI.java

@@ -4,11 +4,12 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 import com.readrops.readropsdb.entities.Feed;
+import com.readrops.readropsdb.entities.Folder;
 import com.readrops.readropslibrary.services.API;
 import com.readrops.readropslibrary.services.Credentials;
 import com.readrops.readropslibrary.services.SyncType;
-import com.readrops.readropslibrary.services.freshrss.adapters.FreshRSSFeedAdapter;
+import com.readrops.readropslibrary.services.freshrss.adapters.FreshRSSFeedsAdapter;
-import com.readrops.readropslibrary.services.freshrss.json.FreshRSSFolders;
+import com.readrops.readropslibrary.services.freshrss.adapters.FreshRSSFoldersAdapter;
 import com.readrops.readropslibrary.services.freshrss.json.FreshRSSItems;
 import com.readrops.readropslibrary.services.freshrss.json.FreshRSSUserInfo;
 import com.squareup.moshi.Moshi;
@@ -35,7 +36,8 @@ public class FreshRSSAPI extends API<FreshRSSService> {
     @Override
     protected Moshi buildMoshi() {
         return new Moshi.Builder()
-                .add(new FreshRSSFeedAdapter())
+                .add(new FreshRSSFeedsAdapter())
+                .add(new FreshRSSFoldersAdapter())
                 .build();
     }
 
@@ -122,6 +124,10 @@ public class FreshRSSAPI extends API<FreshRSSService> {
                 .flatMap(freshRSSFeeds -> {
                     syncResult.setFeeds(freshRSSFeeds);
 
+                    return getFolders();
+                }).flatMap(folders -> {
+                    syncResult.setFolders(folders);
+
                     return Single.just(syncResult);
                 });
     }
@@ -131,7 +137,7 @@ public class FreshRSSAPI extends API<FreshRSSService> {
      *
      * @return the feeds folders
      */
-    public Single<FreshRSSFolders> getFolders() {
+    public Single<List<Folder>> getFolders() {
         return api.getFolders();
     }
 

readropslibrary/src/main/java/com/readrops/readropslibrary/services/freshrss/FreshRSSService.java

@@ -1,7 +1,7 @@
 package com.readrops.readropslibrary.services.freshrss;
 
 import com.readrops.readropsdb.entities.Feed;
-import com.readrops.readropslibrary.services.freshrss.json.FreshRSSFolders;
+import com.readrops.readropsdb.entities.Folder;
 import com.readrops.readropslibrary.services.freshrss.json.FreshRSSItems;
 import com.readrops.readropslibrary.services.freshrss.json.FreshRSSUserInfo;
 
@@ -38,7 +38,7 @@ public interface FreshRSSService {
     Single<FreshRSSItems> getItems(@Query("xt") String excludeTarget, @Query("n") int max, @Query("ot") Long lastModified);
 
     @GET("reader/api/0/tag/list?output=json")
-    Single<FreshRSSFolders> getFolders();
+    Single<List<Folder>> getFolders();
 
     @FormUrlEncoded
     @POST("reader/api/0/edit-tag")

readropslibrary/src/main/java/com/readrops/readropslibrary/services/freshrss/FreshRSSSyncResult.java

@@ -1,7 +1,7 @@
 package com.readrops.readropslibrary.services.freshrss;
 
 import com.readrops.readropsdb.entities.Feed;
-import com.readrops.readropslibrary.services.freshrss.json.FreshRSSFolder;
+import com.readrops.readropsdb.entities.Folder;
 import com.readrops.readropslibrary.services.freshrss.json.FreshRSSItem;
 
 import java.util.ArrayList;
@@ -9,7 +9,7 @@ import java.util.List;
 
 public class FreshRSSSyncResult {
 
-    private List<FreshRSSFolder> folders;
+    private List<Folder> folders;
 
     private List<Feed> feeds;
 
@@ -46,11 +46,11 @@ public class FreshRSSSyncResult {
         this.lastUpdated = lastUpdated;
     }
 
-    public List<FreshRSSFolder> getFolders() {
+    public List<Folder> getFolders() {
         return folders;
     }
 
-    public void setFolders(List<FreshRSSFolder> folders) {
+    public void setFolders(List<Folder> folders) {
         this.folders = folders;
     }
 }

readropslibrary/src/main/java/com/readrops/readropslibrary/services/freshrss/adapters/FreshRSSFeedsAdapter.kt

@@ -6,7 +6,7 @@ import com.squareup.moshi.FromJson
 import com.squareup.moshi.JsonReader
 import com.squareup.moshi.ToJson
 
-class FreshRSSFeedAdapter {
+class FreshRSSFeedsAdapter {
 
     @ToJson
     fun toJson(feed: Feed): String = ""

readropslibrary/src/main/java/com/readrops/readropslibrary/services/freshrss/adapters/FreshRSSFoldersAdapter.kt

@@ -0,0 +1,61 @@
+package com.readrops.readropslibrary.services.freshrss.adapters
+
+import android.annotation.SuppressLint
+import com.readrops.readropsdb.entities.Folder
+import com.squareup.moshi.FromJson
+import com.squareup.moshi.JsonReader
+import com.squareup.moshi.ToJson
+import java.util.*
+
+class FreshRSSFoldersAdapter {
+
+    @ToJson
+    fun toJson(folder: Folder): String = ""
+
+    @SuppressLint("CheckResult")
+    @FromJson
+    fun fromJson(reader: JsonReader): List<Folder> {
+        val folders = mutableListOf<Folder>()
+
+        reader.beginObject()
+        reader.nextName() // "tags", beginning of folder array
+        reader.beginArray()
+
+        while (reader.hasNext()) {
+            reader.beginObject()
+
+            val folder = Folder()
+            var type: String? = null
+
+            while (reader.hasNext()) {
+                with(folder) {
+                    when (reader.selectName(NAMES)) {
+                        0 -> {
+                            val id = reader.nextString()
+                            name = StringTokenizer(id, "/")
+                                    .toList()
+                                    .last() as String
+                            remoteId = id
+                        }
+                        1 -> type = reader.nextString()
+                        else -> reader.skipValue()
+                    }
+                }
+            }
+
+            if (type == "folder") // add only folders and avoid tags
+                folders += folder
+
+            reader.endObject()
+        }
+
+        reader.endArray()
+        reader.endObject()
+
+        return folders
+    }
+
+    companion object {
+        val NAMES: JsonReader.Options = JsonReader.Options.of("id", "type")
+    }
+}