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1 <?php
2 //$Header: /home/dashley/cvsrep/e3ft_gpl01/e3ft_gpl01/webprojs/fboprime/sw/phplib/usrs.inc,v 1.11 2006/11/04 21:09:31 dashley Exp $
3 //--------------------------------------------------------------------------------------------------------------
4 //usrs.inc--FboPrime Database usrs Table Manipulation Functions
5 //Copyright (C) 2006 David T. Ashley
6 //
7 //This program is free software; you can redistribute it and/or
8 //modify it under the terms of the GNU General Public License
9 //as published by the Free Software Foundation; either version 2
10 //of the License, or (at your option) any later version.
11 //
12 //This program is distributed in the hope that it will be useful,
13 //but WITHOUT ANY WARRANTY; without even the implied warranty of
14 //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 //GNU General Public License for more details.
16 //
17 //You should have received a copy of the GNU General Public License
18 //along with this program; if not, write to the Free Software
19 //Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 //********************************************************************************
21 //Contains functions related to [operations on] the usrs table of the database.
22 //-------------------------------------------------------------------------------------------------
23 //Copyright 2006 David T. Ashley
24 //-------------------------------------------------------------------------------------------------
25 //This source code and any program in which it is compiled/used is provided under the GNU GENERAL
26 //PUBLIC LICENSE, Version 3, full license text below.
27 //-------------------------------------------------------------------------------------------------
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578 //
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648 // END OF TERMS AND CONDITIONS
649 //
650 // How to Apply These Terms to Your New Programs
651 //
652 // If you develop a new program, and you want it to be of the greatest
653 //possible use to the public, the best way to achieve this is to make it
654 //free software which everyone can redistribute and change under these terms.
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656 // To do so, attach the following notices to the program. It is safest
657 //to attach them to the start of each source file to most effectively
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659 //the "copyright" line and a pointer to where the full notice is found.
660 //
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662 // Copyright (C) <year> <name of author>
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675 // along with this program. If not, see <http://www.gnu.org/licenses/>.
676 //
677 //Also add information on how to contact you by electronic and paper mail.
678 //
679 // If the program does terminal interaction, make it output a short
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682 // <program> Copyright (C) <year> <name of author>
683 // This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
684 // This is free software, and you are welcome to redistribute it
685 // under certain conditions; type `show c' for details.
686 //
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689 //might be different; for a GUI interface, you would use an "about box".
690 //
691 // You should also get your employer (if you work as a programmer) or school,
692 //if any, to sign a "copyright disclaimer" for the program, if necessary.
693 //For more information on this, and how to apply and follow the GNU GPL, see
694 //<http://www.gnu.org/licenses/>.
695 //
696 // The GNU General Public License does not permit incorporating your program
697 //into proprietary programs. If your program is a subroutine library, you
698 //may consider it more useful to permit linking proprietary applications with
699 //the library. If this is what you want to do, use the GNU Lesser General
700 //Public License instead of this License. But first, please read
701 //<http://www.gnu.org/philosophy/why-not-lgpl.html>.
702 //-------------------------------------------------------------------------------------------------
703 //--------------------------------------------------------------------------------------------------------------
704 //
705 require_once("db.inc");
706 require_once("global.inc");
707 //
708 //--------------------------------------------------------------------------------------------------------------
709 //Constants for usrs table fields.
710 //
711 //Constants for the status field of the usrs table.
712 define("USRS_STATUS_INACTIVE", 0 );
713 define("USRS_STATUS_ACTIVE", 1 );
714 define("USRS_STATUS_MAX", 2 );
715 //
716 //Constants for the "role" of the usrs table. Note that only short tags and descriptive strings and included,
717 //the integer index (starting at 0) is implied by the location in the table.
718 //
719 define("USRS_ROLE_UNSPECIFIED", 0 );
720 define("USRS_ROLE_STUDPRESOLO", 1 );
721 define("USRS_ROLE_STUDSOLO", 2 );
722 define("USRS_ROLE_CUSTNONPILOT", 3 );
723 define("USRS_ROLE_CUSTPILOT", 4 );
724 define("USRS_ROLE_EMPLINE", 5 );
725 define("USRS_ROLE_EMPMECHANIC", 6 );
726 define("USRS_ROLE_EMPOFFICE", 7 );
727 define("USRS_ROLE_EMPFINST", 8 );
728 define("USRS_ROLE_OWNER", 9 );
729 define("USRS_ROLE_MAX", 10 );
730 $USRS_ROLE_ARRAY = array(
731 "unspecified", "Unspecified",
732 "studpresolo", "Student, Pre-Solo",
733 "studsolo", "Student, Solo",
734 "custnonpilot", "Customer, Non-Pilot",
735 "custpilot", "Customer, Pilot",
736 "empline", "Employee, Line",
737 "empmechanic", "Employee, Mechanic",
738 "empoffice", "Employee, Office",
739 "empfinst", "Employee, Flight Instructor",
740 "owner", "Owner"
741 );
742 //
743 //Constants for the sex (gender) of the user.
744 define("USRS_SEX_UNSPECIFIED", 0 );
745 define("USRS_SEX_FEMALE", 1 );
746 define("USRS_SEX_MALE", 2 );
747 //
748 //--------------------------------------------------------------------------------------------------------------
749 //Warning codes for the functions in usrs.inc and usrsx.inc. Warnings are typically returned as an array.
750 //
751 define("USRS_WARN_NONE", 0 ); //No warning.
752 //
753 //--------------------------------------------------------------------------------------------------------------
754 //Error codes for the functions in usrs.inc and usrsx.inc. Errors are typically returned as an array.
755 //
756 define("USRS_ERROR_NONE", 0 ); //No error.
757 define("USRS_ERROR_ACTION_PAR_ILLEGAL", 1 ); //The "action" parameter was illegal.
758 define("USRS_ERROR_IDX_ILLEGAL", 2 ); //The integer index supplied is illegal.
759 define("USRS_ERROR_USERID_ILLEGAL", 3 ); //The userid supplied is illegal.
760 define("USRS_ERROR_IDX_ON_ADD", 4 ); //The idx was specified on an add (illegal).
761 define("USRS_ERROR_NO_USERID_ON_ADD", 5 ); //The userid was missing on an add operation.
762 define("USRS_ERROR_DUP_USERID_ON_ADD", 6 ); //The userid was already in the table on an add operation.
763 define("USRS_ERROR_MOD_REC_NOT_PRESENT", 7 ); //The user record specified was not present.
764 define("USRS_ERROR_MOD_IDX_USERID_INCONSISTENT", 8 ); //The index and userid were both specified for modification,
765 //and they were inconsistent.
766 define("USRS_ERROR_EDITING_COLLISION", 9 ); //Attempt to modify a record that was modified since browser
767 //form copy loaded.
768 define("USRS_ERROR_UNSPECIFIED", 10 ); //An error of an unknown, unspecified, or unexpected type.
769 //
770 //--------------------------------------------------------------------------------------------------------------
771 //Returns TRUE if the passed string is acceptable for a userid, or an array of complaints
772 //if the passed string is not acceptable.
773 //
774 function USRS_userid_membership_test($arg)
775 {
776 $rvidx = 0;
777
778 //Must be string type.
779 if (! is_string($arg))
780 {
781 $rv[$rvidx] = "The <i>userid</i> must be a string (internal software error).";
782 $rvidx++;
783 return($rv);
784 }
785
786 //Must not be zero length.
787 $len = strlen($arg);
788 if ($len == 0)
789 {
790 $rv[$rvidx] = "The <i>userid</i> must be at least one character long.";
791 $rvidx++;
792 return($rv);
793 }
794
795 //Must not be too long.
796 if ($len > 20)
797 {
798 $rv[$rvidx] = "The <i>userid</i> may not be longer than 20 characters.";
799 $rvidx++;
800 return($rv);
801 }
802
803 //Split the string for further analysis.
804 $first_char = SubStr($arg, 0, 1);
805 $remainder = SubStr($arg, 1, $len-1);
806
807 //First character must be lower-case letter.
808 if (strpos("abcdefghijklmnopqrstuvwxyz", $first_char) === FALSE)
809 {
810 $rv[$rvidx] = "The first character of the <i>userid</i> must be a letter.";
811 $rvidx++;
812 return($rv);
813 }
814
815 //Remaining characters must be lower-case letters or digits.
816 for ($i=0; $i < ($len-1); $i++)
817 {
818 $c = SubStr($remainder, $i, 1);
819 if (strpos("abcdefghijklmnopqrstuvwxyz0123456789", $c) === FALSE)
820 {
821 $rv[$rvidx] = "All characters of the <i>userid</i> must be letters or digits.";
822 $rvidx++;
823 return($rv);
824 }
825 }
826
827 //Seems OK.
828 return(TRUE);
829 }
830 //
831 //--------------------------------------------------------------------------------------------------------------
832 //Returns the index of the entry from the usrs table where the userid matches, or
833 //FALSE if the entry does not exist.
834 //
835 function USRS_userid_idx_map($arg)
836 {
837 global $GLOBAL_dbhandle;
838
839 //Form the query string.
840 $query_string = "SELECT idx FROM usrs WHERE userid=\""
841 .
842 mysql_real_escape_string($arg, $GLOBAL_dbhandle)
843 .
844 "\"";
845
846 //Execute the query.
847 $result = mysql_query($query_string, $GLOBAL_dbhandle);
848
849 if ($result === FALSE)
850 {
851 //Unknown query failure. Return FALSE to the caller. No need to free,
852 //as this is not a result.
853 return(FALSE);
854 }
855 else
856 {
857 //Get the integer result.
858 $row = mysql_fetch_array($result, MYSQL_NUM);
859
860 $rv = $row[0];
861
862 //Free the result.
863 mysql_free_result($result);
864
865 //Return the appropriate.
866 if($rv > 0)
867 return($rv);
868 else
869 return(FALSE);
870 }
871 }
872 //
873 //--------------------------------------------------------------------------------------------------------------
874 //Retrieves a two dimensional associative array corresponding to the USRS record
875 //with the passed USERID, or FALSE if the record does not exist.
876 //
877 function USRS_retrieve_by_userid($userid)
878 {
879 global $GLOBAL_dbhandle;
880
881 //Form the query string.
882 $query_string = "SELECT * FROM usrs WHERE userid=\""
883 .
884 mysql_real_escape_string($userid, $GLOBAL_dbhandle)
885 .
886 "\"";
887
888 //Execute the query.
889 $result = mysql_query($query_string, $GLOBAL_dbhandle);
890
891 if ($result === FALSE)
892 {
893 //Unknown query failure. Return FALSE to the caller. No need to free,
894 //as this is not a result.
895 $rv = FALSE;
896 }
897 else
898 {
899 //Figure out how many rows in the result.
900 $nrows = mysql_num_rows($result);
901
902 if ($nrows == 0)
903 {
904 //No rows in the result. The query failed to give us a record, but still
905 //we need to free the result set.
906
907 //Free the result.
908 mysql_free_result($result);
909
910 //The caller gets FALSE. No record with that SID.
911 $rv = FALSE;
912 }
913 else
914 {
915 //We have at least one record. Assume just one, because the USERID is supposed
916 //to be unique.
917 $rv = mysql_fetch_assoc($result); //Get the associative record.
918
919 //Free the result.
920 mysql_free_result($result);
921 }
922
923 //Return the value to the caller.
924 return($rv);
925 }
926 }
927 //
928 //--------------------------------------------------------------------------------------------------------------
929 //Retrieves a two dimensional associative array corresponding to the USRS record
930 //with the passed IDX, or FALSE if the record does not exist.
931 //
932 function USRS_retrieve_by_idx($idx)
933 {
934 global $GLOBAL_dbhandle;
935
936 //Form the query string.
937 $query_string = "SELECT * FROM usrs WHERE idx=\""
938 .
939 mysql_real_escape_string($idx, $GLOBAL_dbhandle)
940 .
941 "\"";
942
943 //Execute the query.
944 $result = mysql_query($query_string, $GLOBAL_dbhandle);
945
946 if ($result === FALSE)
947 {
948 //Unknown query failure. Return FALSE to the caller. No need to free,
949 //as this is not a result.
950 $rv = FALSE;
951 }
952 else
953 {
954 //Figure out how many rows in the result.
955 $nrows = mysql_num_rows($result);
956
957 if ($nrows == 0)
958 {
959 //No rows in the result. The query failed to give us a record, but still
960 //we need to free the result set.
961
962 //Free the result.
963 mysql_free_result($result);
964
965 //The caller gets FALSE. No record with that SID.
966 $rv = FALSE;
967 }
968 else
969 {
970 //We have at least one record. Assume just one, because the IDX is supposed
971 //to be unique.
972 $rv = mysql_fetch_assoc($result); //Get the associative record.
973
974 //Free the result.
975 mysql_free_result($result);
976 }
977
978 //Return the value to the caller.
979 return($rv);
980 }
981 }
982 //
983 //--------------------------------------------------------------------------------------------------------------
984 //Given an associative array containing information about a user, returns:
985 // a)The userid.
986 // b)The name to be displayed. The database rules may be lax, so need to protect for the possibility that
987 // the last name, first name, or both are missing.
988 //
989 function USRS_form_display_strings_a($uinfo, &$userid, &$dname)
990 {
991 if ($uinfo === FALSE)
992 {
993 $userid = "invaliduser";
994 $dname = "Invalid User";
995 }
996 else if ((strlen($uinfo["lname"]) > 0) && (strlen($uinfo["fname"]) > 0))
997 {
998 //This is the very normal case where we have a first and last name.
999 $userid = $uinfo["userid"];
1000 $dname = $uinfo["fname"] . " " . $uinfo["lname"];
1001 }
1002 else if ((strlen($uinfo["lname"]) > 0) && (strlen($uinfo["fname"]) == 0))
1003 {
1004 //First name seems to be absent.
1005 if ($uinfo["sex"] == USRS_SEX_UNSPECIFIED)
1006 {
1007 $title = "Mr. or Ms.";
1008 }
1009 else if ($uinfo["sex"] == USRS_SEX_FEMALE)
1010 {
1011 $title = "Ms.";
1012 }
1013 else
1014 {
1015 $title = "Mr.";
1016 }
1017
1018 $userid = $uinfo["userid"];
1019 $dname = $title . " " . $uinfo["lname"];
1020 }
1021 else
1022 {
1023 //We want to refer to this user by number rather than name. The name seems to be
1024 //critically absent.
1025 $userid = $uinfo["userid"];
1026 $dname = sprintf("User #%d", $uinfo["idx"]);
1027 }
1028 }
1029 //
1030 //--------------------------------------------------------------------------------------------------------------
1031 //Updates the "mostrecentlogin" string of a user's database record. Input parameter is minimally
1032 //checked to be sure no surprises.
1033 //
1034 //The crmodsguid of the record isn't updated or checked. Reason is that this is an independent
1035 //matter (the most recent login time) and not something that can ever be changed directly by
1036 //a user.
1037 //
1038 function USRS_set_mostrecentlogin($userinfo, $mrl_in)
1039 {
1040 global $GLOBAL_dbhandle;
1041
1042 //echo "<pre>\n";
1043 //print_r($sid_in);
1044 //print_r($sddt_in);
1045 //print_r($sdtim_in);
1046 //echo "</pre>\n";
1047
1048 //Force this to be a string.
1049 $mrl_in = (string)$mrl_in;
1050
1051 //Force this to be all numeric.
1052 $mrl_in = STRFUNC_force_into_subset($mrl_in, "0123456789");
1053
1054 //If it is longer than 8 characters, whack it down.
1055 if (strlen($mrl_in) > 8)
1056 $mrl_in = SubStr($mrl_in, 0, 8);
1057
1058 //Do the query. Nothing should go wrong.
1059 $query_string = "UPDATE usrs set mostrecentlogin=\""
1060 .
1061 mysql_real_escape_string ($mrl_in, $GLOBAL_dbhandle)
1062 .
1063 "\" WHERE idx=\""
1064 .
1065 $userinfo["idx"]
1066 .
1067 "\"";
1068 //Run the query. We don't much care whether it fails or succeeds (nothing to be done, anyway).
1069 mysql_query($query_string, $GLOBAL_dbhandle);
1070 }
1071 //
1072 //--------------------------------------------------------------------------------------------------------------
1073 //End of $RCSfile: usrs.inc,v $.
1074 //--------------------------------------------------------------------------------------------------------------
1075 ?>

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