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[redakcja.git] / src / dvcs / models.py

diff --git a/src/dvcs/models.py b/src/dvcs/models.py
index d6b0cc6..5d7d7ff 100644 (file)
--- a/src/dvcs/models.py
+++ b/src/dvcs/models.py
@@ -1,21 +1,21 @@
-# -*- coding: utf-8 -*-
-#

 # This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from datetime import datetime
 import os.path
 # This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from datetime import datetime
 import os.path

+from zlib import compress, decompress

 
 from django.contrib.auth.models import User
 from django.core.files.base import ContentFile
 
 from django.contrib.auth.models import User
 from django.core.files.base import ContentFile

+from django.core.files.storage import FileSystemStorage

 from django.db import models, transaction
 from django.db.models.base import ModelBase
 from django.db import models, transaction
 from django.db.models.base import ModelBase

-from django.utils.translation import string_concat, ugettext_lazy as _
+from django.utils.text import format_lazy
+from django.utils.translation import gettext_lazy as _

 import merge3
 
 from django.conf import settings
 from dvcs.signals import post_commit, post_publishable
 import merge3
 
 from django.conf import settings
 from dvcs.signals import post_commit, post_publishable

-from dvcs.storage import GzipFileSystemStorage

 
 
 class Tag(models.Model):
 
 
 class Tag(models.Model):


@@ -71,7 +71,7 @@ class Change(models.Model):
         
         Data file contains a gzipped text of the document.
     """
         
         Data file contains a gzipped text of the document.
     """

-    author = models.ForeignKey(User, null=True, blank=True, verbose_name=_('author'))
+    author = models.ForeignKey(User, models.SET_NULL, null=True, blank=True, verbose_name=_('author'))

     author_name = models.CharField(
         _('author name'), max_length=128, null=True, blank=True, help_text=_("Used if author is not set."))
     author_email = models.CharField(
     author_name = models.CharField(
         _('author name'), max_length=128, null=True, blank=True, help_text=_("Used if author is not set."))
     author_email = models.CharField(


@@ -79,14 +79,14 @@ class Change(models.Model):
     revision = models.IntegerField(_('revision'), db_index=True)
 
     parent = models.ForeignKey(
     revision = models.IntegerField(_('revision'), db_index=True)
 
     parent = models.ForeignKey(

-        'self', null=True, blank=True, default=None, verbose_name=_('parent'), related_name="children")
+        'self', models.SET_NULL, null=True, blank=True, default=None, verbose_name=_('parent'), related_name="children")

 
     merge_parent = models.ForeignKey(
 
     merge_parent = models.ForeignKey(

-        'self', null=True, blank=True, default=None, verbose_name=_('merge parent'), related_name="merge_children")
+        'self', models.SET_NULL, null=True, blank=True, default=None, verbose_name=_('merge parent'), related_name="merge_children")

 
     description = models.TextField(_('description'), blank=True, default='')
     created_at = models.DateTimeField(editable=False, db_index=True, default=datetime.now)
 
     description = models.TextField(_('description'), blank=True, default='')
     created_at = models.DateTimeField(editable=False, db_index=True, default=datetime.now)

-    publishable = models.BooleanField(_('publishable'), default=False)
+    publishable = models.BooleanField(_('approved'), default=False)

 
     class Meta:
         abstract = True
 
     class Meta:
         abstract = True


@@ -94,7 +94,7 @@ class Change(models.Model):
         unique_together = ['tree', 'revision']
 
     def __str__(self):
         unique_together = ['tree', 'revision']
 
     def __str__(self):

-        return u"Id: %r, Tree %r, Parent %r, Data: %s" % (self.id, self.tree_id, self.parent_id, self.data)
+        return "rev. {} @ {}".format(self.revision, self.created_at)

 
     def author_str(self):
         if self.author:
 
     def author_str(self):
         if self.author:


@@ -120,11 +120,17 @@ class Change(models.Model):
                 self.revision = tree_rev + 1
         return super(Change, self).save(*args, **kwargs)
 
                 self.revision = tree_rev + 1
         return super(Change, self).save(*args, **kwargs)
 

+    def save_text(self, text, **kwargs):
+        self.data.save(
+            '',
+            ContentFile(compress(text.encode('utf-8'))),
+            **kwargs
+        )
+

     def materialize(self):
     def materialize(self):

-        f = self.data.storage.open(self.data)
-        text = f.read()
-        f.close()
-        return str(text, 'utf-8')
+        with self.data.open('rb') as f:
+            content = f.read()
+        return decompress(content).decode('utf-8')

 
     def merge_with(self, other, author=None, 
             author_name=None, author_email=None, 
 
     def merge_with(self, other, author=None, 
             author_name=None, author_email=None, 


@@ -147,7 +153,7 @@ class Change(models.Model):
                     author_name=author_name,
                     author_email=author_email,
                     description=description)
                     author_name=author_name,
                     author_email=author_email,
                     description=description)

-        merge_node.data.save('', ContentFile(result))
+        merge_node.save_text(result)

         return merge_node
 
     def revert(self, **kwargs):
         return merge_node
 
     def revert(self, **kwargs):


@@ -165,10 +171,10 @@ def create_tag_model(model):
 
     class Meta(Tag.Meta):
         app_label = model._meta.app_label
 
     class Meta(Tag.Meta):
         app_label = model._meta.app_label

-        verbose_name = string_concat(
-            _("tag"), " ", _("for:"), " ", model._meta.verbose_name)
-        verbose_name_plural = string_concat(
-            _("tags"), " ", _("for:"), " ", model._meta.verbose_name)
+        verbose_name = format_lazy(
+            '{} {} {}', _('tag'), _('for:'), model._meta.verbose_name)
+        verbose_name_plural = format_lazy(
+            '{} {} {}', _("tags"), _("for:"), model._meta.verbose_name)

 
     attrs = {
         '__module__': model.__module__,
 
     attrs = {
         '__module__': model.__module__,


@@ -179,18 +185,18 @@ def create_tag_model(model):
 
 def create_change_model(model):
     name = model.__name__ + 'Change'
 
 def create_change_model(model):
     name = model.__name__ + 'Change'

-    repo = GzipFileSystemStorage(location=model.REPO_PATH)
+    repo = FileSystemStorage(location=model.REPO_PATH)

 
     class Meta(Change.Meta):
         app_label = model._meta.app_label
 
     class Meta(Change.Meta):
         app_label = model._meta.app_label

-        verbose_name = string_concat(
-            _("change"), " ", _("for:"), " ", model._meta.verbose_name)
-        verbose_name_plural = string_concat(
-            _("changes"), " ", _("for:"), " ", model._meta.verbose_name)
+        verbose_name = format_lazy(
+            '{} {} {}', _("change"), _("for:"), model._meta.verbose_name)
+        verbose_name_plural = format_lazy(
+            '{} {} {}', _("changes"), _("for:"), model._meta.verbose_name)

 
     attrs = {
         '__module__': model.__module__,
 
     attrs = {
         '__module__': model.__module__,

-        'tree': models.ForeignKey(model, related_name='change_set', verbose_name=_('document')),
+        'tree': models.ForeignKey(model, models.CASCADE, related_name='change_set', verbose_name=_('document')),

         'tags': models.ManyToManyField(model.tag_model, verbose_name=_('tags'), related_name='change_set'),
         'data': models.FileField(_('data'), upload_to=data_upload_to, storage=repo),
         'Meta': Meta,
         'tags': models.ManyToManyField(model.tag_model, verbose_name=_('tags'), related_name='change_set'),
         'data': models.FileField(_('data'), upload_to=data_upload_to, storage=repo),
         'Meta': Meta,


@@ -206,19 +212,19 @@ class DocumentMeta(ModelBase):
         if not model._meta.abstract:
             # create a real Tag object and `stage' fk
             model.tag_model = create_tag_model(model)
         if not model._meta.abstract:
             # create a real Tag object and `stage' fk
             model.tag_model = create_tag_model(model)

-            models.ForeignKey(model.tag_model, verbose_name=_('stage'),
+            models.ForeignKey(model.tag_model, models.CASCADE, verbose_name=_('stage'),

                 null=True, blank=True).contribute_to_class(model, 'stage')
 
             # create real Change model and `head' fk
             model.change_model = create_change_model(model)
 
             models.ForeignKey(
                 null=True, blank=True).contribute_to_class(model, 'stage')
 
             # create real Change model and `head' fk
             model.change_model = create_change_model(model)
 
             models.ForeignKey(

-                model.change_model, null=True, blank=True, default=None,
+                model.change_model, models.SET_NULL, null=True, blank=True, default=None,

                 verbose_name=_('head'), help_text=_("This document's current head."),
                 editable=False).contribute_to_class(model, 'head')
 
             models.ForeignKey(
                 verbose_name=_('head'), help_text=_("This document's current head."),
                 editable=False).contribute_to_class(model, 'head')
 
             models.ForeignKey(

-                User, null=True, blank=True, editable=False,
+                User, models.SET_NULL, null=True, blank=True, editable=False,

                 verbose_name=_('creator'), related_name="created_%s" % name.lower()
                 ).contribute_to_class(model, 'creator')
 
                 verbose_name=_('creator'), related_name="created_%s" % name.lower()
                 ).contribute_to_class(model, 'creator')
 


@@ -231,7 +237,7 @@ class Document(models.Model, metaclass=DocumentMeta):
     # default repository path
     REPO_PATH = os.path.join(settings.MEDIA_ROOT, 'dvcs')
 
     # default repository path
     REPO_PATH = os.path.join(settings.MEDIA_ROOT, 'dvcs')
 

-    user = models.ForeignKey(User, null=True, blank=True, verbose_name=_('user'), help_text=_('Work assignment.'))
+    user = models.ForeignKey(User, models.SET_NULL, null=True, blank=True, verbose_name=_('user'), help_text=_('Work assignment.'))

 
     class Meta:
         abstract = True
 
     class Meta:
         abstract = True


@@ -280,8 +286,8 @@ class Document(models.Model, metaclass=DocumentMeta):
             author=author, author_name=author_name, author_email=author_email,
             description=kwargs.get('description', ''), publishable=publishable, parent=parent)
 
             author=author, author_name=author_name, author_email=author_email,
             description=kwargs.get('description', ''), publishable=publishable, parent=parent)
 

-        change.tags = tags
-        change.data.save('', ContentFile(text.encode('utf-8')))
+        change.tags.set(tags)
+        change.save_text(text)

         change.save()
 
         if self.head:
         change.save()
 
         if self.head: