From a1042720a71fdabf49c972ff0f936a6f875fc56d Mon Sep 17 00:00:00 2001
From: Albert S <mail@quitesimple.org>
Date: Sat, 20 Aug 2022 10:24:51 +0200
Subject: [PATCH] Add RevisionRenderer

---
 revisionrenderer.cpp | 67 ++++++++++++++++++++++++++++++++++++++++++++
 revisionrenderer.h   | 29 +++++++++++++++++++
 2 files changed, 96 insertions(+)
 create mode 100644 revisionrenderer.cpp
 create mode 100644 revisionrenderer.h

diff --git a/revisionrenderer.cpp b/revisionrenderer.cpp
new file mode 100644
index 0000000..be7783a
--- /dev/null
+++ b/revisionrenderer.cpp
@@ -0,0 +1,67 @@
+ #include "revisionrenderer.h"
+#include "templatepage.h"
+#include "dynamic/dynamiccontentpostlist.h"
+#include "dynamic/dynamiccontentincludepage.h"
+#include "dynamic/dynamiccontentgetvar.h"
+#include "dynamic/dynamiccontentsetvar.h"
+#include "parser.h"
+#include "htmllink.h"
+
+std::string RevisionRenderer::dynamicCallback(std::string_view key, std::string_view value)
+{
+	if(key == "dynamic:postlist")
+	{
+		auto postlist = this->dynamicContentFactory.createDynamicContent<DynamicContentPostList>();
+		postlist->setArgument(std::string(value));
+		return postlist->render();
+	}
+	if(key == "dynamic:includepage")
+	{
+		auto includePage =  this->dynamicContentFactory.createDynamicContent<DynamicContentIncludePage>();
+		includePage->setArgument(std::string(value));
+		return parser.parseDynamics(includePage->render(), std::bind(&RevisionRenderer::dynamicCallback, this, std::placeholders::_1, std::placeholders::_2));
+	}
+	if(key == "dynamic:setvar")
+	{
+		auto setVar = this->dynamicContentFactory.createDynamicContent<DynamicContentSetVar>();
+		setVar->setMap(dynamicVarsMap);
+		setVar->setArgument(std::string(value));
+		return setVar->render();
+	}
+	if(key == "dynamic:getvar")
+	{
+		auto getVar = this->dynamicContentFactory.createDynamicContent<DynamicContentGetVar>();
+		getVar->setMap(dynamicVarsMap);
+		getVar->setArgument(std::string(value));
+		return getVar->render();
+	}
+	return std::string{};
+}
+
+std::string RevisionRenderer::renderContent(std::string content)
+{
+	dynamicVarsMap["pagetitle"] = parser.extractCommand("pagetitle", content);
+	dynamicVarsMap["createdon"] = utils::toISODate(time(NULL));
+
+	std::string resolvedContent = parser.parseDynamics(content, std::bind(&RevisionRenderer::dynamicCallback, this, std::placeholders::_1, std::placeholders::_2));
+
+	return parser.parse(*this->db->createPageDao(), *this->urlProvider, resolvedContent);
+}
+
+std::string RevisionRenderer::renderContent(const Revision &r, std::string_view customTitle)
+{
+	auto revisionDao = this->db->createRevisionDao();
+	auto firstRevision = revisionDao->getRevisionForPage(r.page, 1);
+	if(!firstRevision)
+	{
+ 		throw std::runtime_error("Could not get first revision for page, which is odd. Solar flares?");
+	}
+
+
+	dynamicVarsMap["createdon"] = utils::toISODate(firstRevision.value().timestamp);
+	dynamicVarsMap["pagetitle"] = customTitle;
+
+	std::string resolvedContent = parser.parseDynamics(r.content, std::bind(&RevisionRenderer::dynamicCallback, this, std::placeholders::_1, std::placeholders::_2));
+
+	return parser.parse(*this->db->createPageDao(), *this->urlProvider, resolvedContent);
+}
diff --git a/revisionrenderer.h b/revisionrenderer.h
new file mode 100644
index 0000000..76ef935
--- /dev/null
+++ b/revisionrenderer.h
@@ -0,0 +1,29 @@
+#ifndef REVISIONRENDERER_H
+#define REVISIONRENDERER_H
+#include "revision.h"
+#include "templatepage.h"
+#include "dynamic/dynamiccontentfactory.h"
+#include "iparser.h"
+#include "parser.h"
+class RevisionRenderer
+{
+private:
+	DynamicContentFactory dynamicContentFactory;
+	Database *db;
+	UrlProvider *urlProvider;
+	std::map<std::string, std::string> dynamicVarsMap;
+	
+	std::string dynamicCallback(std::string_view key, std::string_view value);
+	Parser parser;
+	
+public:
+	RevisionRenderer(Template &templ, Database &db, UrlProvider &urlProvider) :dynamicContentFactory(templ, db, urlProvider)
+	{
+		this->db = &db;
+		this->urlProvider = &urlProvider;
+	}
+	std::string renderContent(std::string content);
+	std::string renderContent(const Revision &r, std::string_view customTitle);
+};
+
+#endif // REVISIONRENDERER_H