Don't auto add new sfw boards, mark some boards as nsfw

Also keep /f/ out

Clover/app/src/main/java/org/floens/chan/core/manager/BoardManager.java

@@ -136,12 +136,12 @@ public class BoardManager {
             }
 
             if (!has) {
-                Logger.d(TAG, "Adding unknown board: " + serverBoard.value);
+                /*Logger.d(TAG, "Adding unknown board: " + serverBoard.value);
 
                 if (serverBoard.workSafe) {
                     serverBoard.saved = true;
                     serverBoard.order = allBoards.size();
-                }
+                }*/
 
                 allBoards.add(serverBoard);
             }

Clover/app/src/main/java/org/floens/chan/core/model/Board.java

@@ -17,6 +17,8 @@
  */
 package org.floens.chan.core.model;
 
+import android.text.TextUtils;
+
 import com.j256.ormlite.field.DatabaseField;
 import com.j256.ormlite.table.DatabaseTable;
 
@@ -126,12 +128,12 @@ public class Board {
     public String description;
 
     public boolean finish() {
-        if (key == null || value == null || perPage < 0 || pages < 0)
+        if (TextUtils.isEmpty(key) || TextUtils.isEmpty(value) || perPage < 0 || pages < 0)
             return false;
 
-        // Also filters out /f/, it can't be viewed anyway
-        if (cooldownThreads < 0 || cooldownReplies < 0 || cooldownImages < 0 || cooldownRepliesIntra < 0 || cooldownImagesIntra < 0)
+        if (cooldownThreads < 0 || cooldownReplies < 0 || cooldownImages < 0 || cooldownRepliesIntra < 0 || cooldownImagesIntra < 0) {
             return false;
+        }
 
         return true;
     }

Clover/app/src/main/java/org/floens/chan/core/net/BoardsRequest.java

@@ -26,9 +26,19 @@ import org.floens.chan.core.model.Board;
 
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 
 public class BoardsRequest extends JsonReaderRequest<List<Board>> {
+    public static List<String> BLOCKED = Collections.singletonList(
+            "f"
+    );
+
+    public static List<String> TREAT_AS_NOT_WORKSAFE = Arrays.asList(
+            "a", "c", "w", "cm", "jp", "mlp", "lgbt"
+    );
+
     public BoardsRequest(String url, Listener<List<Board>> listener, ErrorListener errorListener) {
         super(url, listener, errorListener);
     }
@@ -169,6 +179,14 @@ public class BoardsRequest extends JsonReaderRequest<List<Board>> {
             return null;
         }
 
+        if (BLOCKED.contains(board.value)) {
+            return null;
+        }
+
+        if (TREAT_AS_NOT_WORKSAFE.contains(board.value)) {
+            board.workSafe = false;
+        }
+
         return board;
     }
 }