version 1.190, 2008/11/20 21:22:21
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version 1.203, 2018/03/11 12:44:22
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Line 56 use Apache::lonmysql();
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Line 56 use Apache::lonmysql();
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use LONCAPA; |
use LONCAPA; |
use Digest::MD5(); |
use Digest::MD5(); |
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=pod |
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=head2 make_into_hash |
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Turn a colon separated string into a hash and return a reference |
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to it. Numbering from 0 even elements are keys and odd elements |
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are values e.g. a:b:c:d creates a hash like |
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a => b, c =>d |
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=cut |
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sub make_into_hash { |
sub make_into_hash { |
my $values = shift; |
my $values = shift; |
my %tmp = map { &unescape($_); } split(':',$values); |
my %tmp = map { &unescape($_); } split(':',$values); |
Line 436 sub init_dbs {
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Line 447 sub init_dbs {
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return 0; |
return 0; |
} |
} |
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=pod |
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=head2 delete_caches |
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Drops all of the tables in the local mysql cache associated with the |
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specified course id. |
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TODO: The drops should be pushed into lonmysql to further isolate |
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mysql code from other modules. |
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=cut |
sub delete_caches { |
sub delete_caches { |
my $courseid = shift; |
my $courseid = shift; |
$courseid = $env{'request.course.id'} if (! defined($courseid)); |
$courseid = $env{'request.course.id'} if (! defined($courseid)); |
Line 1231 sub ensure_current_data {
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Line 1251 sub ensure_current_data {
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} |
} |
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my $student_id = &get_student_id($sname,$sdom); |
my $student_id = &get_student_id($sname,$sdom); |
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&get_students_groupids($student_id); |
my @Result = &Apache::lonmysql::get_rows($student_table, |
my @Result = &Apache::lonmysql::get_rows($student_table, |
"student_id ='$student_id'"); |
"student_id ='$student_id'"); |
my $data = undef; |
my $data = undef; |
Line 1257 sub ensure_current_full_data {
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Line 1278 sub ensure_current_full_data {
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($sdom,$sname,$courseid.'.db',$getuserdir); |
($sdom,$sname,$courseid.'.db',$getuserdir); |
# |
# |
my $student_id = &get_student_id($sname,$sdom); |
my $student_id = &get_student_id($sname,$sdom); |
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&get_students_groupids($student_id); |
my @Result = &Apache::lonmysql::get_rows($student_table, |
my @Result = &Apache::lonmysql::get_rows($student_table, |
"student_id ='$student_id'"); |
"student_id ='$student_id'"); |
my $updatetime; |
my $updatetime; |
Line 1269 sub ensure_current_full_data {
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Line 1291 sub ensure_current_full_data {
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return $status; |
return $status; |
} |
} |
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sub ensure_current_groups { |
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my ($courseid) = @_; |
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my ($cdom,$cnum); |
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if (defined($courseid)) { |
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my %coursehash = &Apache::lonnet::coursedescription($courseid); |
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$cdom = $coursehash{'domain'}; |
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$cnum = $coursehash{'num'}; |
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} elsif ($env{'request.course.id'}) { |
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$courseid = $env{'request.course.id'}; |
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$cdom = $env{'course.'.$courseid.'.domain'}; |
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$cnum = $env{'course.'.$courseid.'.num'}; |
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} |
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if ($cdom eq '' || $cnum eq '') { |
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return 'error: invalid course'; |
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} |
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&setup_table_names($courseid); |
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my @CurrentTables = &Apache::lonmysql::tables_in_db(); |
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unless (grep(/^\Q$groupnames_table\E$/,@CurrentTables)) { |
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return; |
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} |
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# Get the update time for the groupnames table |
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my $getuserdir = 1; |
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my $modifiedtime = &Apache::lonnet::GetFileTimestamp |
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($cdom,$cnum,'coursegroups.db',$getuserdir); |
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my %tableinfo = &Apache::lonmysql::table_information($groupnames_table); |
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my $updatetime; |
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if ($tableinfo{'Update_time'}) { |
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$updatetime = $tableinfo{'Update_time'}; |
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} |
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if (! defined($updatetime) || $modifiedtime > $updatetime) { |
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my (%groups_in_sql,%removegroups,$addgroup); |
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my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); |
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my @Result = &Apache::lonmysql::get_rows($groupnames_table); |
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foreach my $row (@Result) { |
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my ($id,$name) = @{$row}; |
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unless (exists($curr_groups{$name})) { |
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$groups_in_sql{$name}=$id; |
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} elsif ($id) { |
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$removegroups{$id} = $name; |
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} |
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} |
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foreach my $group (keys(%curr_groups)) { |
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unless (exists($groups_in_sql{$group})) { |
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$addgroup = 1; |
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last; |
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} |
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} |
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if (keys(%removegroups)) { |
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my $dbh = &Apache::lonmysql::get_dbh(); |
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foreach my $group_id (keys(%removegroups)) { |
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my $command = 'DELETE FROM '.$groupnames_table.' WHERE group_id='. |
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$group_id; |
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$dbh->do($command); |
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if ($dbh->err()) { |
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&Apache::lonnet::logthis("error ".$dbh->errstr(). |
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" occurred executing \n". |
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"SQL command: $command"); |
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} |
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} |
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} |
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if ($addgroup) { |
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&populate_groupnames_table($courseid); |
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} |
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} |
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return; |
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} |
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sub ensure_current_students_groups { |
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my ($courseid) = @_; |
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my ($cdom,$cnum); |
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if (defined($courseid)) { |
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my %coursehash = &Apache::lonnet::coursedescription($courseid); |
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$cdom = $coursehash{'domain'}; |
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$cnum = $coursehash{'num'}; |
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} elsif ($env{'request.course.id'}) { |
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$courseid = $env{'request.course.id'}; |
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$cdom = $env{'course.'.$courseid.'.domain'}; |
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$cnum = $env{'course.'.$courseid.'.num'}; |
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} |
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&setup_table_names($courseid); |
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my @CurrentTables = &Apache::lonmysql::tables_in_db(); |
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unless (grep(/^\Q$students_groups_table\E$/,@CurrentTables)) { |
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return; |
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} |
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# Get the update time for the groupnames table |
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my $getuserdir = 1; |
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my $modifiedtime = &Apache::lonnet::GetFileTimestamp |
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($cdom,$cnum,'groupmembership.db',$getuserdir); |
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my %tableinfo = &Apache::lonmysql::table_information($students_groups_table); |
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my $updatetime; |
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if ($tableinfo{'Update_time'}) { |
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$updatetime = $tableinfo{'Update_time'}; |
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} |
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if ((!defined($updatetime)) || ($modifiedtime > $updatetime)) { |
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if (&Apache::lonmysql::drop_table($students_groups_table)) { |
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if (&init_dbs($courseid)) { |
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return "error creating $students_groups_table\n"; |
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} else { |
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&populate_students_groups_table($courseid); |
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} |
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} |
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} |
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return; |
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} |
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sub ensure_current_sections { |
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my ($courseid) = @_; |
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my ($cdom,$cnum); |
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if (defined($courseid)) { |
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my %coursehash = &Apache::lonnet::coursedescription($courseid); |
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$cdom = $coursehash{'domain'}; |
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$cnum = $coursehash{'num'}; |
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} elsif ($env{'request.course.id'}) { |
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$courseid = $env{'request.course.id'}; |
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$cdom = $env{'course.'.$courseid.'.domain'}; |
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$cnum = $env{'course.'.$courseid.'.num'}; |
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} |
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&setup_table_names($courseid); |
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my @CurrentTables = &Apache::lonmysql::tables_in_db(); |
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unless (grep(/^\Q$student_table\E$/,@CurrentTables)) { |
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return; |
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} |
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# Get the update time for the student table |
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my $getuserdir = 1; |
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my $modifiedtime = &Apache::lonnet::GetFileTimestamp |
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($cdom,$cnum,'classlist.db',$getuserdir); |
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my %tableinfo = &Apache::lonmysql::table_information($student_table); |
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my $updatetime; |
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if ($tableinfo{'Update_time'}) { |
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$updatetime = $tableinfo{'Update_time'}; |
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} |
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if ((!defined($updatetime)) || ($modifiedtime > $updatetime)) { |
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&update_student_table($cdom,$cnum); |
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} |
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return; |
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} |
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sub update_student_table { |
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my ($cdom,$cnum) = @_; |
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return unless (($cdom ne '') && ($cnum ne '')); |
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my (%roster,%sqldata); |
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my $classlist = &get_classlist($cdom,$cnum); |
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while (my ($student,$data) = each (%$classlist)) { |
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my ($section,$start,$end) = ($data->[&CL_SECTION()], |
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$data->[&CL_START()], |
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$data->[&CL_END()]); |
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if ($section eq '' || $section =~ /^\s*$/) { |
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$section = 'none'; |
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} |
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if ($start eq '') { $start = 0; } |
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if ($end eq '') { $end = 0; } |
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$roster{$student}{'section'} = $section; |
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$roster{$student}{'start'} = $start; |
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$roster{$student}{'end'} = $end; |
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} |
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my $dbh = &Apache::lonmysql::get_dbh(); |
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my $statement = "SELECT student_id,student,section,start,end FROM $student_table"; |
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my $sth = $dbh->prepare($statement); |
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$sth->execute(); |
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if ($sth->err()) { |
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&Apache::lonnet::logthis("Unable to execute MySQL request:"); |
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&Apache::lonnet::logthis("\n".$statement."\n"); |
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&Apache::lonnet::logthis("error is:".$sth->errstr()); |
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return undef; |
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} |
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foreach my $row (@{$sth->fetchall_arrayref}) { |
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my ($id,$student,$section,$start,$end) = (@$row); |
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if (ref($roster{$student}) eq 'HASH') { |
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if (($roster{$student}{'section'} ne $section) || |
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($roster{$student}{'start'} ne $start) || |
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($roster{$student}{'end'} ne $end)) { |
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$sqldata{$id} = { |
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section => $roster{$student}{'section'}, |
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start => $roster{$student}{'start'}, |
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end => $roster{$student}{'end'}, |
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}; |
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} |
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} |
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} |
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$sth->finish(); |
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if (keys(%sqldata)) { |
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foreach my $id (sort { $a <=> $b } keys(%sqldata)) { |
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my $request = "UPDATE $student_table SET section='$sqldata{$id}{section}'". |
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", start='$sqldata{$id}{start}'". |
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", end='$sqldata{$id}{end}' WHERE student_id='$id'"; |
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$dbh->do($request); |
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} |
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} |
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return; |
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} |
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sub get_student_data_from_performance_cache { |
sub get_student_data_from_performance_cache { |
my ($sname,$sdom,$symb,$courseid)=@_; |
my ($sname,$sdom,$symb,$courseid)=@_; |
Line 1563 sub populate_weight_table {
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Line 1775 sub populate_weight_table {
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my @resources; |
my @resources; |
foreach my $seq (@sequences) { |
foreach my $seq (@sequences) { |
push(@resources,$navmap->retrieveResources($seq, |
push(@resources,$navmap->retrieveResources($seq, |
sub {shift->is_problem();}, |
sub {shift->is_gradable();}, |
0,0,0)); |
0,0,0)); |
} |
} |
if (! scalar(@resources)) { |
if (! scalar(@resources)) { |
Line 1721 sub rank_students_by_scores_on_resources
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Line 1933 sub rank_students_by_scores_on_resources
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$limits =~ s/( AND )$//; # Remove extra conjunction |
$limits =~ s/( AND )$//; # Remove extra conjunction |
$request .= "WHERE $limits"; |
$request .= "WHERE $limits"; |
} |
} |
$request .= " $award_clause GROUP BY a.student_id ORDER BY score"; |
$request .= " $award_clause GROUP BY a.student_id ORDER BY score, b.student"; |
#&Apache::lonnet::logthis('request = '.$/.$request); |
#&Apache::lonnet::logthis('request = '.$/.$request); |
my $sth = $dbh->prepare($request) or die "Can't prepare $request"; |
my $sth = $dbh->prepare($request) or die "Can't prepare $request"; |
$sth->execute(); |
$sth->execute(); |
Line 2271 sub CL_FULLNAME { return 6; }
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Line 2483 sub CL_FULLNAME { return 6; }
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sub CL_STATUS { return 7; } |
sub CL_STATUS { return 7; } |
sub CL_TYPE { return 8; } |
sub CL_TYPE { return 8; } |
sub CL_LOCKEDTYPE { return 9; } |
sub CL_LOCKEDTYPE { return 9; } |
sub CL_GROUP { return 10; } |
sub CL_CREDITS { return 10; } |
sub CL_PERMANENTEMAIL { return 11; } |
sub CL_INSTSEC { return 11; } |
sub CL_ROLE { return 12; } |
sub CL_GROUP { return 12; } |
sub CL_EXTENT { return 13; } |
sub CL_PERMANENTEMAIL { return 13; } |
sub CL_PHOTO { return 14; } |
sub CL_ROLE { return 14; } |
sub CL_THUMBNAIL { return 15; } |
sub CL_EXTENT { return 15; } |
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sub CL_PHOTO { return 16; } |
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sub CL_THUMBNAIL { return 17; } |
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sub CL_AUTHORQUOTA { return 18; } |
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sub CL_AUTHORUSAGE { return 19; } |
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sub get_classlist { |
sub get_classlist { |
my ($cdom,$cnum) = @_; |
my ($cdom,$cnum) = @_; |
Line 2296 sub get_classlist {
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Line 2512 sub get_classlist {
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} |
} |
my ($sname,$sdom) = split(/:/,$student); |
my ($sname,$sdom) = split(/:/,$student); |
my @Values = split(/:/,$info); |
my @Values = split(/:/,$info); |
my ($end,$start,$id,$section,$fullname,$type,$lockedtype); |
my ($end,$start,$id,$section,$fullname,$type,$lockedtype,$credits,$instsec); |
if (@Values > 2) { |
if (@Values > 2) { |
($end,$start,$id,$section,$fullname,$type,$lockedtype) = @Values; |
($end,$start,$id,$section,$fullname,$type,$lockedtype,$credits,$instsec) = @Values; |
} else { # We have to get the data ourselves |
} else { # We have to get the data ourselves |
($end,$start) = @Values; |
($end,$start) = @Values; |
$section = &Apache::lonnet::getsection($sdom,$sname,$cid); |
$section = &Apache::lonnet::getsection($sdom,$sname,$cid); |
Line 2337 sub get_classlist {
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Line 2553 sub get_classlist {
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$status='Future'; |
$status='Future'; |
} |
} |
$classlist{$student} = |
$classlist{$student} = |
[$sdom,$sname,$end,$start,$id,$section,$fullname,$status,$type,$lockedtype]; |
[$sdom,$sname,$end,$start,$id,$section,$fullname,$status,$type, |
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$lockedtype,$credits,$instsec]; |
} |
} |
if (wantarray()) { |
if (wantarray()) { |
return (\%classlist,['domain','username','end','start','id', |
return (\%classlist,['domain','username','end','start','id', |
'section','fullname','status','type','lockedtype']); |
'section','fullname','status','type', |
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'lockedtype','credits','instsec']); |
} else { |
} else { |
return \%classlist; |
return \%classlist; |
} |
} |
Line 2962 Inputs: $starttime, $endtime, $table
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Line 3180 Inputs: $starttime, $endtime, $table
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Returns: $time_limits |
Returns: $time_limits |
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=item C<&limit_by_section_and_status()C< |
=item C<&limit_by_section_and_status()C> |
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Build SQL WHERE condition which limits the data collected by section and |
Build SQL WHERE condition which limits the data collected by section and |
student status. |
student status. |
Line 3071 $env{'course.'.$cid.'.domain'}, and $env
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Line 3289 $env{'course.'.$cid.'.domain'}, and $env
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Returns a reference to a hash which contains: |
Returns a reference to a hash which contains: |
keys '$sname:$sdom' |
keys '$sname:$sdom' |
values [$sdom,$sname,$end,$start,$id,$section,$fullname,$status,$type,$lockedtype] |
values [$sdom,$sname,$end,$start,$id,$section,$fullname,$status,$type, |
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$lockedtype,$credits,$instsec] |
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The constant values CL_SDOM, CL_SNAME, CL_END, etc. can be used |
The constant values CL_SDOM, CL_SNAME, CL_END, etc. can be used |
as indices into the returned list to future-proof clients against |
as indices into the returned list to future-proof clients against |