qswiki/pagelistrenderer.cpp

67 خطوط
2.0 KiB
C++

#include "pagelistrenderer.h"
#include "grouper.h"
PageListRenderer::PageListRenderer(Template &templ, UrlProvider &provider, Database &database)
{
this->templ = &templ;
this->urlProvider = &provider;
this->database = &database;
}
std::string PageListRenderer::render(const std::vector<Page> &pagelist, std::string type) const
{
TemplatePage pagelistrendergroup = this->templ->loadResolvedPart("pagelistrender_group");
TemplatePage pagelistlink = this->templ->loadResolvedPart("pagelistrender_link");
std::function<bool(const std::string &, const std::string &)> lesser = [](const std::string &a, const std::string &b) -> bool {
return a < b;
};
std::function<bool(const std::string &, const std::string &)> greater = [](const std::string &a, const std::string &b) -> bool {
return a > b;
};
using Grouper = Grouper<std::string, Page, std::function<bool(const std::string &,const std::string &)>>;
Grouper grouper = (type == "letter") ? Grouper(lesser) : Grouper(greater);
if(type == "letter")
{
auto az = [&](const Page &p) -> std::string {
int upper = toupper(p.title[0]); // TODO: this is not unicode safe.
return { (char)upper };
};
grouper.group(az, pagelist);
}
else
{
auto revisionDao = this->database->createRevisionDao();
auto creationdate = [&revisionDao](const Page &p) -> std::string {
return utils::formatLocalDate(revisionDao->getRevisionForPage(p.name, 1).value().timestamp, "%Y-%m");
};
grouper.group(creationdate, pagelist);
}
std::stringstream stream;
std::string lastGroup = "";
for(auto &entry : grouper.getResults())
{
std::string groupname = entry.first;
const std::vector<const Page*> &pages = entry.second;
if(lastGroup != groupname)
{
lastGroup = groupname;
pagelistrendergroup.setVar("groupname", groupname);
stream << pagelistrendergroup.render();
}
for(const Page *p : pages)
{
pagelistlink.setVar("inner", p->title);
pagelistlink.setVar("href", this->urlProvider->page(p->name));
stream << pagelistlink.render();
}
}
return stream.str();
}