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