xowf::test_item::Answer_manager method render_answers (public)

 <instance of xowf::test_item::Answer_manager[i]> render_answers \
    [ -as_student on|off ] \
    [ -filter_submission_id filter_submission_id ] \
    [ -creation_user creation_user ] [ -revision_id revision_id ] \
    [ -filter_form_ids filter_form_ids ] [ -export on|off ] \
    [ -orderby orderby ] [ -grading grading ] \
    [ -with_grading_table on|off ] examWf

Defined in packages/xowf/tcl/test-item-procs.tcl

Return the answers in HTML format in a somewhat printer friendly way, e.g. as the exam protocol.

Switches:
-as_student
(boolean) (defaults to "false") (optional)
-filter_submission_id
(optional)
-creation_user
(optional)
-revision_id
(optional)
-filter_form_ids
(optional)
-export
(boolean) (defaults to "false") (optional)
-orderby
(defaults to "online-exam-userName") (optional)
-grading
(optional)
-with_grading_table
(boolean) (defaults to "false") (optional)
Parameters:
examWf
Returns:
dict containing "do_stream" and "HTML" ns_log notice "RENDER ANSWERS 0"

Partial Call Graph (max 5 caller/called nodes):
%3 test_create_test_items create_test_items (test xowf) xowf::test_item::Answer_manager instproc render_answers xowf::test_item::Answer_manager instproc render_answers test_create_test_items->xowf::test_item::Answer_manager instproc render_answers _ _ (public) xowf::test_item::Answer_manager instproc render_answers->_ acs_user::get_element acs_user::get_element (public) xowf::test_item::Answer_manager instproc render_answers->acs_user::get_element ad_conn ad_conn (public) xowf::test_item::Answer_manager instproc render_answers->ad_conn ad_parse_template ad_parse_template (public) xowf::test_item::Answer_manager instproc render_answers->ad_parse_template ad_return_top_of_page ad_return_top_of_page (public) xowf::test_item::Answer_manager instproc render_answers->ad_return_top_of_page

Testcases:
create_test_items
Source code:
set combined_form_info [:QM combined_question_form $examWf]
set autograde   [dict get $combined_form_info autograde]
set totalPoints [:QM total_points  -max_items [$examWf property max_items ""]  $combined_form_info]

set withSignature [$examWf property signature 0]
set examTitle [$examWf title]
set ctx [::xowf::Context require $examWf]
set results ""

set wf [:get_answer_wf $examWf]
if {$wf eq ""} {
  return [list do_stream 0 HTML ""]
}

if {$filter_form_ids ne "" && $filter_form_ids ni [dict get $combined_form_info question_objs]} {
  ns_log warning "inclass-exam: ignore invalid form_obj '$filter_form_ids';"  "valid [dict get $combined_form_info question_objs]"
  set filter_form_ids ""
}
ns_log notice "--- grading '$grading'"
set grading_scheme [:grading_scheme -examWf $examWf -grading $grading -total_points $totalPoints]
#ns_log notice "--- grading_scheme $grading_scheme from grading '$grading'"

set :grade_dict {}
set :grade_csv ""

set items [:submissions  -creation_user $creation_user  -filter_submission_id $filter_submission_id  -revision_id $revision_id  -wf $wf]
#
# In case we have many items to render (which might take a
# while), use streaming mode.
#
set do_stream [expr {[llength [$items children]] > 100}]

set HTML [:render_print_button]
::xo::cc set_parameter template_file view-plain-master
::xo::cc set_parameter MenuBar 0

if {[llength $filter_form_ids] > 0} {
  #
  # Filter by questions. For the time being, we allow only a
  # single question, ... and we take the first ones.
  #
  append HTML "<h2>#xowf.question#: [ns_quotehtml [[lindex $filter_form_ids 0] title]]</h2>\n"
  set runtime_panel_view ""

} elseif {$as_student} {
  #
  # Show the student his own submission
  #
  set userName [acs_user::get_element -user_id [ad_conn user_id] -element username]
  set fullName [::xo::get_user_name  [ad_conn user_id]]
  set heading "$userName - $fullName"
  append HTML "<h2>#xowf.online-exam-review-protocol# - $heading</h2>\n"
  set runtime_panel_view "student"

} else {
  #
  # Provide the full protocol (or a subset of it)
  #
  append HTML "<h2>#xowf.online-exam-protocol#</h2>\n"
  if {$filter_submission_id ne ""} {
    set runtime_panel_view "revision_overview"
  } else {
    set runtime_panel_view "default"
  }
}
append HTML [:grading_dialog_setup $examWf]
#ns_log notice "RENDER ANSWERS 1"

if {$do_stream} {
  # ns_log notice STREAM-[info level]-$::template::parse_level
  #
  # The following line is tricky: set on the parsing level the
  # title of and context of the page, since this is needed by
  # the streaming template.
  #
  uplevel #$::template::parse_level [subst {set title "$examTitle"set context .}]
  ad_return_top_of_page [ad_parse_template  -params [list context title]  [template::streaming_template]]
  ns_write [subst {
    <div class=''main-content>
    <div class='xowiki-content' style='padding-left:15px;'>
    <h1>[ns_quotehtml $examTitle]</h1>
    [lang::util::localize $HTML]
  }]
  set HTML ""
}

if {$export} {
  set recutil [:recutil_create  -clear  -exam_id [$wf parent_id]  -fn [expr {$filter_submission_id eq "" ? "all.rec" : "$filter_submission_id.rec"}]
              ]
} else {
  set recutil ""
}
#ns_log notice "RENDER ANSWERS 2"

#
# Create zip file from file submissions
#
set create_zip_file [::xo::cc query_parameter create-file-submission-zip-file:boolean 0]
if {$create_zip_file} {
  package req nx::zip

  [$examWf package_id] get_lang_and_name -name [$examWf set name] lang stripped_name

  if {[string equal [nx::zip::Archive info lookup parameters create name] -name]} {
    set zipFile [nx::zip::Archive new -name [ad_sanitize_filename $stripped_name]]
  } else {
    set zipFile [::nx::zip::Archive new]
    #
    # Post-register property, since it is not yet available in
    # this version of nx.
    #
    $zipFile object property name
    $zipFile configure -name [ad_sanitize_filename $stripped_name]
  }
} else {
  set zipFile ""
}
#ns_log notice "RENDER ANSWERS 3 (submissions: [llength [$items children]])"

set file_submission_exists 0

set form_objs_exam [:QM load_question_objs $examWf [$examWf property question]]
set question_dict [:FL name_to_question_obj_dict $form_objs_exam]
#ns_log notice "passed filter_form_ids <$filter_form_ids> form_objs_exam <$form_objs_exam>"

#
# Iterate over the items sorted by orderby.
#
$items orderby $orderby
foreach submission [$items children] {

  set d [:render_submission=exam_protocol  -submission $submission  -wf $wf  -examWf $examWf  -exam_question_dict $question_dict  -autograde $autograde  -combined_form_info $combined_form_info  -filter_submission_id $filter_submission_id  -filter_form_ids $filter_form_ids  -grading_scheme $grading_scheme  -recutil $recutil  -zipFile $zipFile  -revision_id $revision_id  -totalPoints $totalPoints  -runtime_panel_view $runtime_panel_view  -with_exam_heading [expr {!$as_student}]  -with_signature $withSignature]

  set html [:dict_value $d HTML]
  #ns_log notice "RENDER ANSWERS setting result"

  dict set results [$submission set creation_user] [:dict_value $d results]

  if {$do_stream && $html ne ""} {
    ns_write [lang::util::localize $html]
  } else {
    append HTML $html
  }

  #
  # Check if we have found a file submission
  #
  if {!$file_submission_exists
      && !$export
      && [llength [:get_non_empty_file_formfields -submission $submission]] > 0
    } {
    set file_submission_exists 1
  }

}
#ns_log notice "RENDER ANSWERS 4"

if {$export} {
  $recutil destroy
}

if {$with_grading_table && $autograde && $grading ne "none"} {
  append HTML <p>[:grading_table -csv ${:grade_csv} ${:grade_dict}]</p>
  #
  # The following lines are convenient for debugging
  #
  #set manual_gradings [$examWf property manual_gradings]
  #set manual_gradings [:get_exam_results -obj $examWf manual_gradings]
  #append HTML <pre>$manual_gradings</pre>
  #append HTML <pre>[:exam_results -manual_gradings $manual_gradings $results]</pre>
}

if {$create_zip_file} {
  $zipFile ns_returnZipFile [$zipFile cget -name].zip
  $zipFile destroy
  ad_script_abort
}

#
# If we have already some file submission we are showing a link
# for bulk-downloading the submissions
#
if {$file_submission_exists} {
  #
  # Avoid empty entries for query parameters
  #
  if {[llength $filter_form_ids] > 0} {
    set fos $filter_form_ids
  }
  foreach value {revision_id filter_submission_id} var {rid id} {
    if {[set $value] ne ""} {
      set $var [set $value]
    }
  }
  set href [$examWf pretty_link -query [export_vars {
    {m print-answers} {create-file-submission-zip-file 1}
    fos rid id
  }]]
  append HTML [ns_trim -delimiter | [subst {
    |<a href='$href'>
    |[::xowiki::bootstrap::icon -name download -CSSclass download-submissions]
    |#xowf.Download_file_submissions#</a>
  }]]
}
#ns_log notice "RENDER ANSWERS 5"

#
# Store statistics only in autograding cases, and only, when it
# was a full evaluation of the exam. This has the advantage
# that we do no have to partially update the statistics. These
# are somewhat overly conservative assumptions for now, which
# might be partially relaxed in the future.
#
if {$with_grading_table
    && !$as_student && $filter_submission_id eq "" && $creation_user eq "" && $revision_id eq ""
  } {
  set statistics {}
  set ia [$examWf instance_attributes]
  if {$autograde} {
    foreach var {__stats_success __stats_count} key {success count} {
      if {[$examWf exists $var]} {
        dict set statistics $key [$examWf set $var]
        $examWf unset $var
      }
    }
    :AM set_exam_results -obj $examWf statistics $statistics
  }
  :AM set_exam_results -obj $examWf results $results
}

return [list do_stream $do_stream HTML $HTML]
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