mirror of https://github.com/acanas/swad-core.git
141 lines
5.5 KiB
C
141 lines
5.5 KiB
C
// swad_mark_database.c: marks operations with database
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/*
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SWAD (Shared Workspace At a Distance),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2024 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************** Headers **********************************/
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/*****************************************************************************/
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#include "swad_browser.h"
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#include "swad_database.h"
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#include "swad_global.h"
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#include "swad_mark_database.h"
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/*****************************************************************************/
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/************** External global variables from others modules ****************/
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/*****************************************************************************/
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extern struct Globals Gbl;
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/*****************************************************************************/
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/***************************** Private constants *****************************/
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/*****************************************************************************/
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static const char *Mrk_DB_HeadOrFootStr[2] = // Names of columns in database, so don't change!
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{
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"Header",
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"Footer",
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};
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/*****************************************************************************/
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/****************** Add a new entry of marks into database *******************/
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/*****************************************************************************/
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void Mrk_DB_AddMarks (long FilCod,const struct Mrk_Properties *Marks)
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{
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DB_QueryINSERT ("can not add properties of marks to database",
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"INSERT INTO mrk_marks"
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" (FilCod,%s,%s)"
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" VALUES"
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" (%ld,%u,%u)",
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Mrk_DB_HeadOrFootStr[Brw_HEADER],
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Mrk_DB_HeadOrFootStr[Brw_FOOTER],
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FilCod,
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Marks->Header,
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Marks->Footer);
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}
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/*****************************************************************************/
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/***** Change the number of rows of header or footer of a file of marks ******/
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/*****************************************************************************/
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void Mrk_DB_ChangeNumRowsHeaderOrFooter (Brw_HeadOrFoot_t HeaderOrFooter,unsigned NumRows)
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{
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extern const Brw_FileBrowser_t Brw_DB_FileBrowserForDB_files[Brw_NUM_TYPES_FILE_BROWSER];
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DB_QueryUPDATE ("can not update properties of marks",
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"UPDATE mrk_marks,"
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"brw_files"
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" SET mrk_marks.%s=%u"
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" WHERE brw_files.FileBrowser=%u"
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" AND brw_files.Cod=%ld"
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" AND brw_files.Path='%s'"
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" AND brw_files.FilCod=mrk_marks.FilCod",
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Mrk_DB_HeadOrFootStr[HeaderOrFooter],NumRows,
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(unsigned) Brw_DB_FileBrowserForDB_files[Gbl.FileBrowser.Type],
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Brw_GetCodForFileBrowser (),
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Gbl.FileBrowser.FilFolLnk.Full);
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}
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/*****************************************************************************/
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/*********************** Get marks data from database ************************/
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/*****************************************************************************/
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unsigned Mrk_DB_GetMarksDataByCod (MYSQL_RES **mysql_res,long MrkCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get the number of rows"
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" in header and footer",
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"SELECT brw_files.FileBrowser," // row[0]
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"brw_files.Cod," // row[1]
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"brw_files.Path," // row[2]
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"mrk_marks.Header," // row[3]
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"mrk_marks.Footer" // row[4]
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" FROM brw_files,"
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"mrk_marks"
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" WHERE brw_files.FilCod=%ld"
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" AND brw_files.FilCod=mrk_marks.FilCod",
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MrkCod);
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}
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/*****************************************************************************/
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/******** Get number of rows of header and of footer of a file of marks ******/
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/*****************************************************************************/
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unsigned Mrk_DB_GetNumRowsHeaderAndFooter (MYSQL_RES **mysql_res)
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{
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extern const Brw_FileBrowser_t Brw_DB_FileBrowserForDB_files[Brw_NUM_TYPES_FILE_BROWSER];
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/***** Get number of rows of header and footer from database *****/
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/* There should be a single file in database.
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If, due to an error, there is more than one file,
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get the number of rows of the more recent file. */
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get the number of rows"
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" in header and footer",
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"SELECT mrk_marks.%s," // row[0]
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"mrk_marks.%s" // row[1]
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" FROM brw_files,"
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"mrk_marks"
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" WHERE brw_files.FileBrowser=%u"
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" AND brw_files.Cod=%ld"
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" AND brw_files.Path='%s'"
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" AND brw_files.FilCod=mrk_marks.FilCod"
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" ORDER BY brw_files.FilCod DESC"
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" LIMIT 1", // On duplicate entries, get the more recent
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Mrk_DB_HeadOrFootStr[Brw_HEADER],
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Mrk_DB_HeadOrFootStr[Brw_FOOTER],
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(unsigned) Brw_DB_FileBrowserForDB_files[Gbl.FileBrowser.Type],
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Brw_GetCodForFileBrowser (),
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Gbl.FileBrowser.FilFolLnk.Full);
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}
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