Fixing questions

[edumed.git] / catalogue / models.py

diff --git a/catalogue/models.py b/catalogue/models.py
index 46338c4..239f60c 100644 (file)
--- a/catalogue/models.py
+++ b/catalogue/models.py
@@ -2,14 +2,16 @@ from django.core.files import File
 from django.core.urlresolvers import reverse
 from django.db import models
 from jsonfield import JSONField
 from django.core.urlresolvers import reverse
 from django.db import models
 from jsonfield import JSONField

-from curriculum.models import Level
+from curriculum.models import Level, Curriculum, CurriculumCourse

 
 
 class Section(models.Model):
     title = models.CharField(max_length=255, unique=True)
 
 
 class Section(models.Model):
     title = models.CharField(max_length=255, unique=True)

-    slug = models.SlugField(unique=True)
+    slug = models.SlugField(max_length=255, unique=True)

     order = models.IntegerField()
     xml_file = models.FileField(upload_to="catalogue/section/xml",
     order = models.IntegerField()
     xml_file = models.FileField(upload_to="catalogue/section/xml",

+        null=True, blank=True, max_length=255)
+    image = models.ImageField(upload_to="catalogue/section/image",

         null=True, blank=True)
 
     class Meta:
         null=True, blank=True)
 
     class Meta:


@@ -35,7 +37,7 @@ class Section(models.Model):
             lessons = [Lesson.objects.get(slug=part.slug)
                         for part in wldoc.book_info.parts]
         except Lesson.DoesNotExist, e:
             lessons = [Lesson.objects.get(slug=part.slug)
                         for part in wldoc.book_info.parts]
         except Lesson.DoesNotExist, e:

-            raise cls.IncompleteError(e)
+            raise cls.IncompleteError(part.slug)

 
         slug = wldoc.book_info.url.slug
         try:
 
         slug = wldoc.book_info.url.slug
         try:


@@ -67,23 +69,24 @@ class Lesson(models.Model):
     section = models.ForeignKey(Section, null=True, blank=True)
     level = models.ForeignKey(Level)
     title = models.CharField(max_length=255)
     section = models.ForeignKey(Section, null=True, blank=True)
     level = models.ForeignKey(Level)
     title = models.CharField(max_length=255)

-    slug = models.SlugField(unique=True)
+    slug = models.SlugField(max_length=255, unique=True)

     type = models.CharField(max_length=15, db_index=True)
     order = models.IntegerField(db_index=True)
     dc = JSONField(default='{}')
     type = models.CharField(max_length=15, db_index=True)
     order = models.IntegerField(db_index=True)
     dc = JSONField(default='{}')

+    curriculum_courses = models.ManyToManyField(CurriculumCourse, blank=True)

 
     xml_file = models.FileField(upload_to="catalogue/lesson/xml",
 
     xml_file = models.FileField(upload_to="catalogue/lesson/xml",

-        null=True, blank=True) # FIXME: slug in paths
+        null=True, blank=True, max_length=255)

     html_file = models.FileField(upload_to="catalogue/lesson/html",
     html_file = models.FileField(upload_to="catalogue/lesson/html",

-        null=True, blank=True)
+        null=True, blank=True, max_length=255)

     package = models.FileField(upload_to="catalogue/lesson/pack",
     package = models.FileField(upload_to="catalogue/lesson/pack",

-        null=True, blank=True)
+        null=True, blank=True, max_length=255)

     student_package = models.FileField(upload_to="catalogue/lesson/student_pack",
     student_package = models.FileField(upload_to="catalogue/lesson/student_pack",

-        null=True, blank=True)
+        null=True, blank=True, max_length=255)

     pdf = models.FileField(upload_to="catalogue/lesson/pdf",
     pdf = models.FileField(upload_to="catalogue/lesson/pdf",

-        null=True, blank=True)
+        null=True, blank=True, max_length=255)

     student_pdf = models.FileField(upload_to="catalogue/lesson/student_pdf",
     student_pdf = models.FileField(upload_to="catalogue/lesson/student_pdf",

-        null=True, blank=True)
+        null=True, blank=True, max_length=255)

 
     class Meta:
         ordering = ['section', 'level', 'order']
 
     class Meta:
         ordering = ['section', 'level', 'order']


@@ -109,56 +112,90 @@ class Lesson(models.Model):
         slug = wldoc.book_info.url.slug
         try:
             lesson = cls.objects.get(slug=slug)
         slug = wldoc.book_info.url.slug
         try:
             lesson = cls.objects.get(slug=slug)

+            lesson.attachment_set.all().delete()

         except cls.DoesNotExist:
         except cls.DoesNotExist:

-            lesson = cls(slug=slug)
-
-        lesson.attachment_set.all().delete()
-        for att_name, att_file in infile.attachments.items():
-            try:
-                slug, ext = att_name.rsplit('.', 1)
-            except ValueError:
-                slug, ext = att_name, ''
-            attachment = lesson.attachment_set.create(slug=slug, ext=ext)
-            attachment.file.save(att_name, ContentFile(att_file.get_string()))
+            lesson = cls(slug=slug, order=0)

 
         # Save XML file
         lesson.xml_file.save('%s.xml' % slug, ContentFile(xml), save=False)
         lesson.title = wldoc.book_info.title
 
         lesson.level = Level.objects.get(slug=wldoc.book_info.audience)
 
         # Save XML file
         lesson.xml_file.save('%s.xml' % slug, ContentFile(xml), save=False)
         lesson.title = wldoc.book_info.title
 
         lesson.level = Level.objects.get(slug=wldoc.book_info.audience)

-        lesson.order = 0

         lesson.populate_dc()
         lesson.populate_dc()

-        lesson.type = lesson.dc["type"]
-        lesson.save()
-        lesson.build_html()
+        lesson.build_html(infile=infile)
+        lesson.build_pdf(infile=infile)

         lesson.build_package()
         lesson.build_package()

-        lesson.build_package(student=True)
+        if lesson.type != 'project':
+            lesson.build_pdf(student=True, infile=infile)
+            lesson.build_package(student=True)

         return lesson
 
     def populate_dc(self):
         from librarian.parser import WLDocument
         wldoc = WLDocument.from_file(self.xml_file.path)
         self.dc = wldoc.book_info.to_dict()
         return lesson
 
     def populate_dc(self):
         from librarian.parser import WLDocument
         wldoc = WLDocument.from_file(self.xml_file.path)
         self.dc = wldoc.book_info.to_dict()

+        self.type = self.dc["type"]

         self.save()
 
         self.save()
 

-    def build_html(self):
+        courses = set()
+        for identifier in wldoc.book_info.curriculum:
+            try:
+                curr = Curriculum.objects.get(identifier=identifier)
+            except Curriculum.DoesNotExist:
+                pass
+            else:
+                courses.add(curr.course)
+        self.curriculum_courses = courses
+
+    def wldocument(self, infile=None):
+        from librarian import IOFile

         from librarian.parser import WLDocument
         from librarian.parser import WLDocument

-        wldoc = WLDocument.from_file(self.xml_file.path)
-        html = wldoc.as_html()
+        from .publish import OrmDocProvider
+
+        if infile is None:
+            infile = IOFile.from_filename(self.xml_file.path)
+            for att in self.attachment_set.all():
+                infile.attachments["%s.%s" % (att.slug, att.ext)] = \
+                    IOFile.from_filename(att.file.path)
+        return WLDocument(infile, provider=OrmDocProvider())
+
+    def build_html(self, infile=None):
+        from .publish import HtmlFormat
+        wldoc = self.wldocument(infile)
+        html = HtmlFormat(wldoc).build()

         self.html_file.save("%s.html" % self.slug,
             File(open(html.get_filename())))
 
         self.html_file.save("%s.html" % self.slug,
             File(open(html.get_filename())))
 

+    def build_pdf(self, student=False, infile=None):
+        from .publish import PdfFormat
+        wldoc = self.wldocument(infile)
+        if student:
+            pdf = PdfFormat(wldoc).build()
+            self.student_pdf.save("%s.pdf" % self.slug,
+                File(open(pdf.get_filename())))
+        else:
+            pdf = PdfFormat(wldoc, teacher=True).build()
+            self.pdf.save("%s.pdf" % self.slug,
+                File(open(pdf.get_filename())))
+
+    def add_to_zip(self, zipf, student=False, prefix=''):
+        pdf = self.student_pdf if student else self.pdf
+        if pdf:
+            zipf.write(pdf.path, 
+                "%s%s%s.pdf" % (prefix, self.slug, "_student" if student else ""))
+            for attachment in self.attachment_set.all():
+                zipf.write(attachment.file.path,
+                    u"%smaterialy/%s.%s" % (prefix, attachment.slug, attachment.ext))
+            zipf.write(self.xml_file.path,
+                "%spliki-zrodlowe/%s.xml" % (prefix, self.slug))
+

     def build_package(self, student=False):
         from StringIO import StringIO
         import zipfile
         from django.core.files.base import ContentFile
         buff = StringIO()
         zipf = zipfile.ZipFile(buff, 'w', zipfile.ZIP_STORED)
     def build_package(self, student=False):
         from StringIO import StringIO
         import zipfile
         from django.core.files.base import ContentFile
         buff = StringIO()
         zipf = zipfile.ZipFile(buff, 'w', zipfile.ZIP_STORED)

-        zipf.write(self.xml_file.path, "pliki-zrodlowe/%s.xml" % self.slug)
-        pdf = self.student_pdf if student else self.pdf
-        if pdf:
-            zipf.write(self.xml_file.path, 
-                "%s%s.pdf" % (self.slug, "_student" if student else ""))
+        self.add_to_zip(zipf, student)

         zipf.close()
         fieldname = "student_package" if student else "package"
         getattr(self, fieldname).save(
         zipf.close()
         fieldname = "student_package" if student else "package"
         getattr(self, fieldname).save(


@@ -166,8 +203,33 @@ class Lesson(models.Model):
             ContentFile(buff.getvalue()))
 
     def get_syntetic(self):
             ContentFile(buff.getvalue()))
 
     def get_syntetic(self):

+        if self.section is None: return None

         return self.section.syntetic_lesson(self.level)
 
         return self.section.syntetic_lesson(self.level)
 

+    def get_other_level(self):
+        if self.section is None: return None
+        other_levels = self.section.lesson_set.exclude(level=self.level)
+        if other_levels.exists():
+            return other_levels[0].level
+
+    def get_previous(self):
+        if self.section is None: return None
+        try:
+            return self.section.lesson_set.filter(
+                type=self.type, level=self.level,
+                order__lt=self.order).order_by('-order')[0]
+        except IndexError:
+            return None
+
+    def get_next(self):
+        if self.section is None: return None
+        try:
+            return self.section.lesson_set.filter(
+                type=self.type, level=self.level,
+                order__gt=self.order).order_by('order')[0]
+        except IndexError:
+            return None
+

 
 class Attachment(models.Model):
     slug = models.CharField(max_length=255)
 
 class Attachment(models.Model):
     slug = models.CharField(max_length=255)


@@ -189,3 +251,17 @@ class Part(models.Model):
         null=True, blank=True)
     student_pdf = models.FileField(upload_to="catalogue/part/student_pdf",
         null=True, blank=True)
         null=True, blank=True)
     student_pdf = models.FileField(upload_to="catalogue/part/student_pdf",
         null=True, blank=True)

+
+
+class LessonStub(models.Model):
+    section = models.ForeignKey(Section, null=True, blank=True)
+    level = models.ForeignKey(Level)
+    title = models.CharField(max_length=255)
+    type = models.CharField(max_length=15, db_index=True)
+    order = models.IntegerField(db_index=True)
+
+    class Meta:
+        ordering = ['section', 'level', 'order']
+
+    def __unicode__(self):
+        return self.title