Add a reset() function to reset the service to default settings

src/libdanbooru/danbooruservice.cpp

@@ -377,6 +377,11 @@ QStringList DanbooruService::postTags() const
     return m_tags;
 }
 
+void DanbooruService::reset()
+{
+    m_currentPage = 1;
+    m_tags = QStringList();
+}
 
 // Slots
 
@@ -435,7 +440,7 @@ void DanbooruService::processPostList(KJob *job)
 
         QPixmap pix;
 
-        qDebug() << "About to donwload images";
+//         qDebug() << "About to donwload images";
 
         if (m_cache && m_cache->findPixmap(post->thumbnailUrl().url(), &pix)) {
 
@@ -565,11 +570,18 @@ void DanbooruService::setMaximumAllowedRating(DanbooruPost::Rating rating)
 
 void DanbooruService::setUserName(const QString& username)
 {
+    if (username.isEmpty()) {
+        return;
+    }
     m_username = username;
 }
 
 void DanbooruService::setPassword(const QString& password)
 {
+    if(password.isEmpty()) {
+        return;
+    }
+
     m_password = password;
 }
 
@@ -587,7 +599,7 @@ void DanbooruService::setImageCache(KImageCache* cache)
 
 void DanbooruService::setMaxPosts(int number) {
 
-    m_maxPosts = number ? number < 100: 100;
+    m_maxPosts = number < 100 ? number : 100;
 
 }
 

src/libdanbooru/danbooruservice.h

@@ -198,10 +198,21 @@ public:
      **/
     int maxPosts() const;
 
+
+    /**
+     * @brief Fetches the next page of posts.
+     *
+     * @return void
+     */
     Q_INVOKABLE void nextPostPage();
 
+    /**
+     * @return A QStringList containing the currently-selected tags
+     */
     QStringList postTags() const;
 
+    void reset();
+
     /**
      * @brief Set blacklisted tags.
      *
@@ -230,9 +241,6 @@ public:
      **/
     void setMaximumAllowedRating(DanbooruPost::Rating rating);
 
-
-
-
     /**
      * @brief Set the board URL to connect to.
      *
@@ -241,7 +249,6 @@ public:
      */
     void setBoardUrl(const QUrl& url);
 
-
     /**
      * @brief Set an image cache to use.
      *