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/*
Copyright (©) 2003-2025 Teus Benschop.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <read/load.h>
#include <filter/roles.h>
#include <filter/string.h>
#include <filter/usfm.h>
#include <webserver/request.h>
#include <checksum/logic.h>
#include <editor/usfm2html.h>
#include <config/globals.h>
#include <access/bible.h>
#include <editone/logic.h>
#include <edit/logic.h>
#include <database/config/bible.h>
std::string read_load_url ()
{
return "read/load";
}
bool read_load_acl (Webserver_Request& webserver_request)
{
if (roles::access_control (webserver_request, roles::translator))
return true;
auto [ read, write ] = access_bible::any (webserver_request);
return read;
}
std::string read_load (Webserver_Request& webserver_request)
{
std::string bible = webserver_request.query ["bible"];
int book = filter::strings::convert_to_int (webserver_request.query ["book"]);
int chapter = filter::strings::convert_to_int (webserver_request.query ["chapter"]);
int verse = filter::strings::convert_to_int (webserver_request.query ["verse"]);
std::string unique_id = webserver_request.query ["id"];
const std::string stylesheet = database::config::bible::get_editor_stylesheet (bible);
std::string chapter_usfm = database::bibles::get_chapter (bible, book, chapter);
std::vector <int> verses = filter::usfm::get_verse_numbers (chapter_usfm);
int highest_verse = 0;
if (!verses.empty ()) highest_verse = verses.back ();
// The Quill-based editor removes empty paragraphs at the end.
// Therefore do not include them.
std::string editable_usfm = filter::usfm::get_verse_text_quill (chapter, verse, chapter_usfm);
std::string prefix_usfm = filter::usfm::get_verse_range_text (chapter_usfm, 0, verse - 1, editable_usfm, true);
std::string suffix_usfm = filter::usfm::get_verse_range_text (chapter_usfm, verse + 1, highest_verse, editable_usfm, true);
// Store a copy of the USFM loaded in the editor for later reference.
// Note that this verse editor has been tested that it uses the correct sequence
// while storing this snapshot.
// When the user goes to another verse in the editor, the system follows this sequence:
// 1. It saves the edited text in the current verse.
// 2. It updates the chapter snapshot.
// 3. It loads the other verse.
// 4. It updates the chapter snapshot.
store_loaded_usfm (webserver_request, bible, book, chapter, unique_id);
std::string prefix_html;
std::string not_used;
editone_logic_prefix_html (prefix_usfm, stylesheet, prefix_html, not_used);
// The focused editable verse also has any footnotes contained in that verse.
// It is convenient to have the footnote as near as possible to the verse text.
// This is helpful for editing the verse and note.
std::string focused_verse_html;
editone_logic_editable_html (editable_usfm, stylesheet, focused_verse_html);
std::string suffix_html;
editone_logic_suffix_html ("", suffix_usfm, stylesheet, suffix_html);
// If the verse was empty, ensure that it has a non-breaking space as the last character,
// for easier text entry in the verse.
std::string plain_text = filter::strings::html2text (focused_verse_html);
plain_text = filter::strings::trim (plain_text);
std::string vs = std::to_string (verse);
bool editable_verse_is_empty = plain_text == vs;
if (editable_verse_is_empty) {
std::string search = "<span> </span></p>";
std::string replace = "<span>" + filter::strings::unicode_non_breaking_space_entity () + "</span></p>";
focused_verse_html = filter::strings::replace (search, replace, focused_verse_html);
}
// Moves any notes from the prefix to the suffix.
editone_logic_move_notes (prefix_html, suffix_html);
std::string data;
data.append (prefix_html);
data.append ("#_be_#");
data.append (focused_verse_html);
data.append ("#_be_#");
data.append (suffix_html);
bool write = false;
data = checksum_logic::send (data, write);
return data;
}
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