diff options
Diffstat (limited to 'GradeBook_lib.tcl')
| -rwxr-xr-x | GradeBook_lib.tcl | 149 |
1 files changed, 145 insertions, 4 deletions
diff --git a/GradeBook_lib.tcl b/GradeBook_lib.tcl index 11c3ddd..b2c08f4 100755 --- a/GradeBook_lib.tcl +++ b/GradeBook_lib.tcl @@ -18,6 +18,120 @@ set grades_category [list \ FinalExam\ ] + + +# ########################## procs begin ################################# +proc isCalculateTotalForCategorySet { category } { + switch $category { + "unset" {set flag false} + Quiz {set flag true} + HomeWork {set flag true} + LabReport {set flag true} + MidTerm {set flag false} + FinalExam {set flag false} + default {set flag false} + } + return $flag +} + +proc allColumnNames {table} { + set eval_str [concat SELECT * FROM \'$table\'] + set err [catch { + db eval $eval_str v { + set all_column_names $v(*) + } + } errStat ] + if { $err } { + dbg "we should never be here if GradesTable exists" 1 + dbg $errStat 1 + htmlErrorMsg $errStat + } + return $all_column_names +} + +proc doesColumnExists {col table} { + if { $col in [allColumnNames $table] } { + return true; + } else { + return false; + } +} + +proc allUserNamesInGroup { group } { + set eval_str [concat SELECT UserName FROM \'GradesTable\' WHERE GroupName == \'$group\'] + set username_list {} + set err [catch { + db eval $eval_str v { + lappend username_list $v(UserName) + } + } errStat ] + if { $err } { + dbg "we should never be here if UserName in GradesTable exists" 1 + dbg $errStat 1 + htmlErrorMsg $errStat + } + return $username_list +} + + +proc calculteWeightedTotals { } { + global grades_category + set all_column_names [allColumnNames GradesTable] + # locate all column names of this category + foreach category $grades_category { + if { [isCalculateTotalForCategorySet $category] } { + set all_col_in($category) {} + foreach col $all_column_names { + # detect what column category it is + set col_category [SelectColValue4User $col _Col_Category_] + if { $col_category eq $category } { + lappend all_col_in($category) $col + } + } + set CategoryWeightedTolalName ${category}Total + if { [llength $all_col_in($category)] >= 2 } { + # no weighted total column created for categories which do no have at least 2 columns + # check if Weighted Category Column exists + if { $CategoryWeightedTolalName ni $all_column_names } { + dbg "Column $CategoryWeightedTolalName does not exist, will create it now" 1 + AddColumnNonWeb $CategoryWeightedTolalName weighted_column 0 + } + } + if { [doesColumnExists $CategoryWeightedTolalName GradesTable] } { + set max_points($category) 0 + foreach col $all_col_in($category) { + set col_max [SelectColValue4User $col _Max_Points_] + if { $col_max eq "" } { + htmlInfoMsg "Column \{$col\} does not have Max Point value set" + set col_max 0 + } + set max_points($category) [expr { $max_points($category) + $col_max }] + } + UpdateColValue4UserNameNonWeb $CategoryWeightedTolalName _Max_Points_ $max_points($category) + + # calculted weighted sum for each student in this category + set students_list [ allUserNamesInGroup student ] + set students_list [concat $students_list [ allUserNamesInGroup dropped ] ] + foreach student $students_list { + set points_sum 0 + foreach col $all_col_in($category) { + set col_val [SelectColValue4User $col $student] + if { $col_val eq "" } { + set col_val 0 + } + set points_sum [expr { $points_sum + $col_val}] + } + if { $max_points($category) != 0 } { + # normalizing + set points_sum [expr { 1. * $points_sum / $max_points($category) } ] + } + UpdateColValue4UserNameNonWeb $CategoryWeightedTolalName $student $points_sum + } + } + } + } +} + proc grade_Category2html_name { category } { switch $category { "unset" {set html_name --Select--} @@ -31,8 +145,19 @@ proc grade_Category2html_name { category } { return $html_name } +proc grade_Category2html_name { category } { + switch $category { + "unset" {set html_name --Select--} + Quiz {set html_name Quiz} + HomeWork {set html_name HomeWork} + LabReport {set html_name LabReport} + MidTerm {set html_name MidTerm} + FinalExam {set html_name FinalExam} + default {set html_name unknown} + } + return $html_name +} -# ########################## procs begin ################################# proc dbg {msg {level 1}} { if { $level <=2 } { set fid [open log a+] @@ -254,12 +379,12 @@ proc htmlDBout {db permission_list user {sort_col {}}} { } if { $sql_column_str ne "" } { # assign type cast for different sort_col - if { [SelectColValue4User $sort_col _Col_Category_] in $grades_category } { + if { [SelectColValue4User $sort_col _Col_Category_] in [list $grades_category weighted_column]} { set ordered_by_str [concat CAST(\"$sort_col\" AS REAL)] } else { set ordered_by_str \"$sort_col\" } - r get all allowed columns and rows + #get all allowed columns and rows set eval_str [concat SELECT $sql_column_str FROM GradesTable $where_statement ORDER BY $ordered_by_str] set err [catch { db eval $eval_str v { @@ -313,7 +438,17 @@ proc htmlDBout {db permission_list user {sort_col {}}} { if { $index != "*" } { # detect what column category it is set category [SelectColValue4User $index _Col_Category_] - set col_value [htmlReplaceEmptyString $v($index)] + set max_points [SelectColValue4User $index _Max_Points_] + set col_value $v($index) + if { ([SelectColValue4User GroupName $user_shown] ne "inforow") && ($category eq "weighted_column") && ($max_points != 0) } { + if { $col_value eq "" } { + set col_value 0 + } + # promote to percent format + set col_value [format "%.1f" [expr {100.* $col_value} ] ] + set col_value [concat $col_value "%"] + } + set col_value [htmlReplaceEmptyString $col_value] switch $index { GroupName { if { [isActionGranted changegroupname $permission_list $user] && ($user_shown ne "_UNSET_") } { @@ -835,6 +970,8 @@ proc UpdateColumn { permission_list user } { UpdateColValue4UserNameNonWeb $oldcolumnname _Col_Category_ $column_category UpdateColValue4UserNameNonWeb $oldcolumnname _Max_Points_ $maxpointpossible + calculteWeightedTotals + if { $newcolumnname eq $oldcolumnname } { # no need to mess with renaming return @@ -904,6 +1041,8 @@ proc UpdateGrades { permission_list user } { dbg "the following error happen: $errStat" 3 } } + + calculteWeightedTotals } proc ChangeGrades { permission_list user } { @@ -1021,6 +1160,8 @@ proc DeleteColumnNonWeb { columnname } { htmlErrorMsg "empty column names are not permitted" } + + calculteWeightedTotals } proc DeleteColumn { permission_list user } { |