added a new controller for serving the tags in a library

YACReaderLibrary/server/controllers/tagscontroller.cpp

@@ -0,0 +1,30 @@
+#include "tagscontroller.h"
+
+#include "db_helper.h"
+#include "yacreader_libraries.h"
+
+#include "reading_list_item.h"
+#include "../static.h"
+#include "yacreader_global.h"
+
+#include "QsLog.h"
+
+TagsController::TagsController() {}
+
+void TagsController::service(HttpRequest& request, HttpResponse& response)
+{
+    response.setHeader("Content-Type", "text/plain; charset=utf-8");
+
+    QString path = QUrl::fromPercentEncoding(request.getPath()).toUtf8();
+    QStringList pathElements = path.split('/');
+    int libraryId = pathElements.at(2).toInt();
+
+    QList<LabelItem *> tags = DBHelper::getLabelItems(libraryId);
+
+    foreach(LabelItem * tag, tags)
+    {
+        response.writeText(QString("%1\t%2\t%3\r\n").arg(tag->getId()).arg(tag->name()).arg(labelColorToRGBString(tag->colorid())));
+    }
+
+    response.writeText("",true);
+}

YACReaderLibrary/server/controllers/tagscontroller.h

@@ -0,0 +1,22 @@
+#ifndef TAGSCONTROLLER_H
+#define TAGSCONTROLLER_H
+
+#include "httprequest.h"
+#include "httpresponse.h"
+#include "httprequesthandler.h"
+
+
+
+class TagsController : public HttpRequestHandler {
+    Q_OBJECT
+    Q_DISABLE_COPY(TagsController)
+public:
+
+    /** Constructor */
+    TagsController();
+
+    /** Generates the response */
+    void service(HttpRequest& request, HttpResponse& response);
+};
+
+#endif // TAGSCONTROLLER_H