biawebdoclist.hpp

   1 #ifndef __BIAWEBDOCITEMLIST__
   2 #define __BIAWEBDOCITEMLIST__
   3 #include <ctime>
   4 #include <string>
   5 #include <fstream>
   6 #include <iostream>
   7 #include <iomanip>
   8 #include <list>
   9 #include <fmt/format.h>
  10 #include <fmt/chrono.h>
  11 #include "biawebstrings.hpp"
  12 #include "biawebdocument.hpp"
  13 #include "biawebtemplate.hpp"
  14
  15 // to implement a list of items (documents) with creation/modified date/time display
  16 namespace biaweb {
  17     // to implement a single document item
  18     class DocListItem {
  19       protected:
  20       // Just the required fields to build the item
  21         std::string title;
  22         std::string url;
  23         std::string desc;
  24         std::time_t ctime;
  25         std::time_t mtime;
  26       public:
  27         DocListItem (Document *doc, std::string urlpath) {
  28             this->title = doc->get_title ();
  29             this->url = urlpath + doc->get_filename() + ".html";
  30             this->ctime = doc->get_creation_date ();
  31             this->mtime = doc->get_modified_date ();
  32             this->desc = doc->get_meta_desc ();
  33         }
  34
  35         std::string get_desc () {
  36             return this->desc;
  37         }
  38
  39         std::time_t get_mtime() {
  40             return this->mtime;
  41         }
  42
  43         std::time_t get_ctime() {
  44             return this->ctime;
  45         }
  46
  47         std::string get_url() {
  48                   return this->url;
  49         }
  50
  51         std::string get_title() {
  52             return this->title;
  53         }
  54
  55         // output to HTML vide the template
  56         std::string to_html (Template *t);
  57     };
  58
  59     // output to HTML vide the template
  60     std::string DocListItem::to_html (Template *t) {
  61         std::string templstr = t->get_doclistitem_tpl ();
  62         std::tm c, m;
  63         c = *std::localtime (&this->ctime);
  64         m = *std::localtime (&this->mtime);
  65
  66         std::string outputhtml = fmt::format (templstr, fmt::arg("url", this->url),
  67                                fmt::arg("doctitle", this->title),
  68                                fmt::arg("desc", this->desc),
  69                                fmt::arg("cdate", c),
  70                                fmt::arg("mdate", m));
  71
  72         return outputhtml;
  73     }
  74
  75     // to implement a document list (or table)
  76     class DocList {
  77       protected:
  78         std::string title;
  79         std::list<DocListItem> items;
  80       public:
  81         void set_title (std::string title) {
  82             this->title = title;
  83         }
  84         // add a document item
  85         void add_document_item (DocListItem docitem) {
  86             this->items.insert (this->items.cend(), docitem);
  87         }
  88         // render to HTML from a template
  89         std::string to_html (Template *t);
  90     };
  91
  92     std::string DocList::to_html (Template *t) {
  93         std::string templstr = t->get_doclist_tpl ();
  94
  95         std::string outputhtml = "";
  96         // if the number of elements is non zero
  97         if (this->items.size () != 0) {
  98             std::string docitems = "";
  99             for (DocListItem item : this->items)
 100                 docitems += item.to_html (t);
 101
 102             outputhtml = fmt::format (templstr,
 103                                             fmt::arg ("title", this->title),
 104                                             fmt::arg ("docitems", docitems));
 105         }
 106         return outputhtml;
 107     }
 108 }
 109
 110 #endif