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Viewing changes to ivle/webapp/tutorial/__init__.py

  • Committer: William Grant
  • Date: 2009-12-17 05:37:21 UTC
  • mfrom: (1442.1.33 offering-home)
  • Revision ID: me@williamgrant.id.au-20091217053721-cesek4r55zbsyj4b
https://launchpad.net/bugs/493857
Replace the offering worksheets page with an offering index, including project information.

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ivle/webapp/tutorial/__init__.py
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import ivle.database
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from ivle.database import Subject, Offering, Semester, Exercise, \
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                          ExerciseSave, WorksheetExercise, ExerciseAttempt
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from ivle.database import Worksheet as DBWorksheet
 
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from ivle.database import Worksheet
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import ivle.worksheet.utils
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from ivle.webapp import ApplicationRoot
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from ivle.webapp.base.views import BaseView
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from ivle.webapp.tutorial.media import (SubjectMediaFile, SubjectMediaView,
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    subject_to_media)
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class Worksheet:
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    """This class represents a worksheet and a particular students progress
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    through it.
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    Do not confuse this with a worksheet in the database. This worksheet
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    has extra information for use in the output, such as marks."""
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    def __init__(self, id, name, assessable):
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        self.id = id
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        self.name = name
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        self.assessable = assessable
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        self.complete_class = ''
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        self.optional_message = ''
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        self.total = 0
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        self.mand_done = 0
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    def __repr__(self):
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        return ("Worksheet(id=%s, name=%s, assessable=%s)"
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                % (repr(self.id), repr(self.name), repr(self.assessable)))
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class OfferingView(XHTMLView):
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    '''The view of the index of worksheets for an offering.'''
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    template = 'templates/subjectmenu.html'
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    tab = 'subjects' # XXX
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    permission = 'view'
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    breadcrumb_text = 'Worksheets'
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    def populate(self, req, ctx):
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        """Create the context for the given offering."""
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        self.plugin_styles[Plugin] = ['tutorial.css']
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        ctx['subject'] = self.context.subject
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        ctx['offering'] = self.context
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        ctx['user'] = req.user
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        # As we go, calculate the total score for this subject
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        # (Assessable worksheets only, mandatory problems only)
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        ctx['worksheets'] = []
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        problems_done = 0
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        problems_total = 0
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        # Offering.worksheets is ordered by the worksheets seq_no
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        for worksheet in self.context.worksheets:
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            new_worksheet = Worksheet(worksheet.identifier, worksheet.name, 
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                                      worksheet.assessable)
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            if new_worksheet.assessable:
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                # Calculate the user's score for this worksheet
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                mand_done, mand_total, opt_done, opt_total = (
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                    ivle.worksheet.utils.calculate_score(req.store, req.user,
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                        worksheet))
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                if opt_total > 0:
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                    optional_message = " (excluding optional exercises)"
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                else:
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                    optional_message = ""
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                if mand_done >= mand_total:
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                    new_worksheet.complete_class = "complete"
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                elif mand_done > 0:
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                    new_worksheet.complete_class = "semicomplete"
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                else:
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                    new_worksheet.complete_class = "incomplete"
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                problems_done += mand_done
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                problems_total += mand_total
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                new_worksheet.mand_done = mand_done
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                new_worksheet.total = mand_total
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                new_worksheet.optional_message = optional_message
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            ctx['worksheets'].append(new_worksheet)
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        ctx['problems_total'] = problems_total
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        ctx['problems_done'] = problems_done
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        if problems_total > 0:
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            if problems_done >= problems_total:
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                ctx['complete_class'] = "complete"
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            elif problems_done > 0:
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                ctx['complete_class'] = "semicomplete"
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            else:
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                ctx['complete_class'] = "incomplete"
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            # Calculate the final percentage and mark for the subject
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            ctx['problems_pct'], ctx['mark'], ctx['max_mark'] = (
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                ivle.worksheet.utils.calculate_mark(
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                    problems_done, problems_total))
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class WorksheetView(XHTMLView):
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    '''The view of a worksheet with exercises.'''
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    def _to_python(self, value, state):
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        if (state.store.find(
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            DBWorksheet, offering=state.offering,
 
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            Worksheet, offering=state.offering,
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            identifier=value).one() not in (None, state.existing_worksheet)):
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            raise formencode.Invalid(
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                'Short name already taken', value, state)
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        return {}
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    def get_worksheet_object(self, req, data):
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        new_worksheet = DBWorksheet()
 
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        new_worksheet = Worksheet()
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        new_worksheet.seq_no = self.context.worksheets.count()
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        # Setting new_worksheet.offering implicitly adds new_worksheet,
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        # hence worksheets.count MUST be called above it
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        exerciseattempts_url, exerciseattempt_url)
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    breadcrumbs = {Exercise: ExerciseBreadcrumb,
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                   DBWorksheet: WorksheetBreadcrumb
 
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                   Worksheet: WorksheetBreadcrumb
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                  }
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    views = [(Offering, ('+worksheets', '+index'), OfferingView),
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             (Offering, ('+worksheets', '+new'), WorksheetAddView),
 
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    views = [(Offering, ('+worksheets', '+new'), WorksheetAddView),
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             (Offering, ('+worksheets', '+edit'), WorksheetsEditView),
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             (DBWorksheet, '+index', WorksheetView),
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             (DBWorksheet, '+edit', WorksheetEditView),
 
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             (Worksheet, '+index', WorksheetView),
 
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             (Worksheet, '+edit', WorksheetEditView),
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             (ApplicationRoot, ('+exercises', '+index'), ExercisesView),
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             (ApplicationRoot, ('+exercises', '+add'), ExerciseAddView),
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             (Exercise, '+index', ExerciseView),