X-Git-Url: https://git.mdrn.pl/edumed.git/blobdiff_plain/85d58d864e0eab34f5dfdb6ed5a05b5faf7970ed..f689c911be1ba63d0f404ddaed570df3c3ffbee9:/curriculum/models.py diff --git a/curriculum/models.py b/curriculum/models.py index debc487..cfe5ffe 100644 --- a/curriculum/models.py +++ b/curriculum/models.py @@ -1,8 +1,15 @@ +# -*- coding: utf-8 +import re +from django.core.urlresolvers import reverse from django.db import models -from django.utils.translation import ugettext_lazy as _ +from django.utils.translation import ugettext_lazy as _, get_language +from fnpdjango.storage import BofhFileSystemStorage +from fnpdjango.utils.models.translation import add_translatable + +bofh_storage = BofhFileSystemStorage() + class Section(models.Model): - name = models.CharField(_('name'), max_length=255) slug = models.SlugField(_('slug')) order = models.IntegerField(_('order')) @@ -14,27 +21,64 @@ class Section(models.Model): def __unicode__(self): return self.name + def get_absolute_url(self): + return "%s?s=%d" % (reverse("curriculum"), self.pk) + + def url_for_level(self, level): + return "%s?s=%d&level=%s&d=1" % (reverse("curriculum"), self.pk, level.slug) + +add_translatable(Section, { + 'name': models.CharField(_('name'), max_length=255, default='') +}) + + class Competence(models.Model): section = models.ForeignKey(Section) - name = models.CharField(_('name'), max_length=255) slug = models.SlugField(_('slug')) order = models.IntegerField(_('order')) class Meta: - ordering = ['order'] + ordering = ['section', 'order'] verbose_name = _('competence') verbose_name_plural = _('competences') def __unicode__(self): return self.name + def get_absolute_url(self): + return "%s?c=%d" % (reverse("curriculum"), self.pk) + def for_level(self, level): return self.competencelevel_set.get(level=level) + def url_for_level(self, level): + return self.for_level(level).get_absolute_url() + + @classmethod + def from_text(cls, text): + """Tries to return a Competence or a Section.""" + parts = re.split(ur'[-\u2013]', text, 1) + lookup_field_name = 'name_%s__iexact' % get_language() + if len(parts) == 1: + return Section.objects.get(**{lookup_field_name: text.strip()}) + else: + return cls.objects.get(**{lookup_field_name: parts[1].strip()}) + +add_translatable(Competence, { + 'name': models.CharField(_('name'), max_length=255, default='') +}) + + class Level(models.Model): - name = models.CharField(_('name'), max_length=255) - slug = models.SlugField(_('slug')) + slug = models.CharField(_('slug'), max_length=255, unique=True) + meta_name = models.CharField(_('meta name'), max_length=255, unique=True) order = models.IntegerField(_('order')) + package = models.FileField( + upload_to=lambda i, f: "curriculum/pack/edukacjamedialna_%s.zip" % i.slug, + null=True, blank=True, max_length=255, storage=bofh_storage) + student_package = models.FileField( + upload_to=lambda i, f: "curriculum/pack/edukacjamedialna_%s_uczen.zip" % i.slug, + null=True, blank=True, max_length=255, storage=bofh_storage) class Meta: ordering = ['order'] @@ -44,10 +88,56 @@ class Level(models.Model): def __unicode__(self): return self.name + def length_course(self): + return self.lesson_set.filter(type='course').count() + + def length_synthetic(self): + return self.lesson_set.filter(type='synthetic').count() + + def build_package(self, student): + from StringIO import StringIO + import zipfile + from django.core.files.base import ContentFile + from catalogue.templatetags.catalogue_tags import level_box + from catalogue.models import Lesson + + buff = StringIO() + zipf = zipfile.ZipFile(buff, 'w', zipfile.ZIP_STORED) + + lessons = level_box(self)['lessons'] + for i, lesson in enumerate(lessons['synthetic']): + prefix = 'Skrocony kurs/%d %s/' % (i, lesson.slug) + lesson.add_to_zip(zipf, student, prefix) + for c, (section, clessons) in enumerate(lessons['course'].items()): + for i, lesson in enumerate(clessons): + prefix = 'Pelny kurs/%d %s/%d %s/' % (c, section.slug, i, lesson.slug) + lesson.add_to_zip(zipf, student, prefix) + for i, lesson in enumerate(lessons['project']): + prefix = 'Projekty/%d %s/' % (i, lesson.slug) + lesson.add_to_zip(zipf, student, prefix) + # Add all appendix lessons, from all levels. + for lesson in Lesson.objects.filter(type='appendix'): + prefix = '%s/' % lesson.slug + lesson.add_to_zip(zipf, student, prefix) + zipf.close() + + fieldname = "student_package" if student else "package" + getattr(self, fieldname).save(None, ContentFile(buff.getvalue())) + + def build_packages(self): + self.build_package(False) + self.build_package(True) + + +add_translatable(Level, { + 'name': models.CharField(_('name'), max_length=255, default=''), + 'group': models.CharField(_('group'), max_length=255, default='') +}) + + class CompetenceLevel(models.Model): competence = models.ForeignKey(Competence) level = models.ForeignKey(Level) - description = models.TextField(_('description')) class Meta: ordering = ['competence', 'level'] @@ -55,4 +145,83 @@ class CompetenceLevel(models.Model): verbose_name_plural = _('competences on levels') def __unicode__(self): - return "%s/%s" % (self.competence, self.level) + return u"%s/%s" % (self.competence, self.level) + + def get_absolute_url(self): + return "%s?c=%d&level=%s&d=1" % (reverse("curriculum"), self.competence.pk, self.level.slug) + +add_translatable(CompetenceLevel, { + 'description': models.TextField(_('description'), default='') +}) + + +class CurriculumLevel(models.Model): + title = models.CharField(max_length=16, db_index=True) + + class Meta: + verbose_name = _("curriculum level") + verbose_name_plural = _("curriculum levels") + + def __unicode__(self): + return self.title + + +class CurriculumCourse(models.Model): + title = models.CharField(max_length=255) + accusative = models.CharField(max_length=255) + slug = models.CharField(max_length=255, db_index=True) + + class Meta: + verbose_name = _("curriculum course") + verbose_name_plural = _("curriculum courses") + ordering = ['slug'] + + def __unicode__(self): + return self.title + + +class Curriculum(models.Model): + """Official curriculum.""" + TYPES = {'c': u'Cele kształcenia', 't': u'Treści nauczania'} + + identifier = models.CharField(max_length=255, db_index=True) + title = models.CharField(max_length=255) + course = models.ForeignKey(CurriculumCourse) + level = models.ForeignKey(CurriculumLevel) + type = models.CharField(max_length=16, choices=TYPES.items()) + + class Meta: + verbose_name = _("curriculum item") + verbose_name_plural = _("curriculum items") + + def __unicode__(self): + return self.identifier + + @classmethod + def from_text(cls, identifier, title): + m = re.match(r"^\d+/(?P[^/]+)/(?P[^/]+)/" + r"(?P(?:%s))[^/]+(?P/roz)?" % "|".join(cls.TYPES), identifier) + assert m is not None, "Curriculum identifier doesn't match template." + level, created = CurriculumLevel.objects.get_or_create( + title=m.group('level')) + def_title = m.group('course').title() + course, created = CurriculumCourse.objects.get_or_create( + slug=m.group('course').lower(), + defaults={ + 'title': def_title, + 'accusative': def_title, + }) + type_ = m.group('type') + if m.group('roz'): + title += " (zakres rozszerzony)" + + try: + curr = cls.objects.get(identifier=identifier) + except cls.DoesNotExist: + curr = cls(identifier=identifier) + curr.title = title + curr.course = course + curr.level = level + curr.type = type_ + curr.save() + return curr