From bcc3737d88f571f1f472ed3a1754f226e5402b1a Mon Sep 17 00:00:00 2001
From: Albert S <mail@quitesimple.org>
Date: Sun, 27 Mar 2022 19:51:53 +0200
Subject: [PATCH] UrlProvider: Introduce combine(), rootUrl(), atomFeed()

---
 urlprovider.cpp | 26 ++++++++++++++++++++++++++
 urlprovider.h   |  6 ++++++
 2 files changed, 32 insertions(+)

diff --git a/urlprovider.cpp b/urlprovider.cpp
index dbcc4bd..a515bff 100644
--- a/urlprovider.cpp
+++ b/urlprovider.cpp
@@ -18,6 +18,7 @@ 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 <string_view>
 #include "urlprovider.h"
 
 std::string replaceSingleVar(std::string where, std::string varname, std::string replacement)
@@ -119,3 +120,28 @@ std::string UrlProvider::login(std::string page)
 {
 	return replaceOnlyPage(config->loginurl, page);
 }
+
+std::string UrlProvider::rootUrl()
+{
+	return config->rooturl;
+}
+
+std::string UrlProvider::atomFeed(std::string filter)
+{
+	return combine({config->rooturl, replaceSingleVar(config->atomurl, "filter", filter)});
+}
+
+std::string UrlProvider::combine(std::initializer_list<std::string> urls)
+{
+	std::string result;
+	for(const std::string &url : urls)
+	{
+		std::string_view urlview{url};
+		if(result.back() == '/' && urlview.front() == '/')
+		{
+			urlview.remove_prefix(1);
+		}
+		result += urlview;
+	}
+	return result;
+}
diff --git a/urlprovider.h b/urlprovider.h
index faf50a7..3c28c0e 100644
--- a/urlprovider.h
+++ b/urlprovider.h
@@ -48,6 +48,12 @@ class UrlProvider
 	std::string category(std::string catname);
 
 	std::string login(std::string page);
+
+	std::string rootUrl();
+
+	std::string atomFeed(std::string filter);
+
+	std::string combine(std::initializer_list<std::string> urls);
 };
 
 #endif // LINKCREATOR_H