make html <title></title> configurable

config.cpp

@@ -18,10 +18,12 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 */
-#include "config.h"
-#include "permissions.h"
+
 #include <exception>
 #include <iostream>
+#include "config.h"
+#include "permissions.h"
+#include "varreplacer.h"
 std::string Config::required(const std::string &key)
 {
 	auto it = this->configmap.find(key);
@@ -99,6 +101,7 @@ Config::Config(const std::map<std::string, std::string> &map)
 	this->handlersConfig.max_pagename_length = optional("max_pagename_length", 256);
 	this->session_max_lifetime = optional("session_max_lifetime", 3600);
 	this->handlersConfig.query_limit = optional("query_limit", 200);
+	this->handlersConfig.page_title_template = optional("page_title_template", "{title} - {wikiname}");
 	this->threadscount = optional("threadscount", 1);
 
 	this->handlersConfig.anon_permissions = Permissions(required("anon_permissions"));
@@ -109,6 +112,10 @@ Config::Config(const std::map<std::string, std::string> &map)
 
 	ConfigVariableResolver resolver{this->configmap};
 	this->configVarResolver = resolver;
+
+	Varreplacer replacer("{");
+	replacer.addKeyValue("wikiname", this->handlersConfig.wikiname);
+	this->handlersConfig.page_title_template = replacer.parse(this->handlersConfig.page_title_template);
 }
 
 ConfigReader::ConfigReader(const std::string &file)

config.h

@@ -13,6 +13,7 @@ struct HandlerConfig
 	Permissions anon_permissions;
 	std::string wikiname;
 	std::string anon_username;
+	std::string page_title_template;
 	int max_pagename_length;
 	int query_limit;
 };

handlers/handler.cpp

@@ -43,9 +43,11 @@ Response Handler::errorResponse(std::string errortitle, std::string errormessage
 	return {status, error.render()};
 }
 
-std::string Handler::createPageTitle(std::string append)
+std::string Handler::createPageTitle(std::string title)
 {
-	return this->handlersConfig->wikiname + " - " + append; // TODO: we might wanna make the format configurable
+	Varreplacer replacer("{");
+	replacer.addKeyValue("title", title);
+	return replacer.parse(this->handlersConfig->page_title_template);
 }
 
 QueryOption Handler::queryOption(const Request &r) const