--- a
+++ b/forgeblog/model/blog.py
@@ -0,0 +1,202 @@
+from datetime import datetime
+from random import randint
+
+import pylons
+pylons.c = pylons.tmpl_context
+pylons.g = pylons.app_globals
+from pylons import c, g
+from pymongo.errors import DuplicateKeyError
+
+from ming import schema
+from ming.orm import FieldProperty, ForeignIdProperty, Mapper, session, state
+from allura import model as M
+from allura.lib import helpers as h
+from allura.lib import utils, patience
+
+config = utils.ConfigProxy(
+ common_suffix='forgemail.domain')
+
+class BlogPostSnapshot(M.Snapshot):
+ class __mongometa__:
+ name='blog_post_snapshot'
+ type_s='Blog Post Snapshot'
+
+ def original(self):
+ return BlogPost.query.get(_id=self.artifact_id)
+
+ def shorthand_id(self):
+ return '%s#%s' % (self.original().shorthand_id(), self.version)
+
+ def url(self):
+ return self.original().url() + '?version=%d' % self.version
+
+ def index(self):
+ result = super(BlogPostSnapshot, self).index()
+ result.update(
+ title_s='Version %d of %s' % (
+ self.version, self.original().shorthand_id()),
+ type_s=self.type_s,
+ text=self.data.text)
+ return result
+
+ @property
+ def html_text(self):
+ """A markdown processed version of the page text"""
+ return g.markdown_wiki.convert(self.data.text)
+
+ @property
+ def attachments(self):
+ return self.original().attachments
+
+ @property
+ def email_address(self):
+ return self.original().email_address
+
+class BlogPost(M.VersionedArtifact):
+ class __mongometa__:
+ name='blog_post'
+ history_class = BlogPostSnapshot
+ unique_indexes = [ ('project_id', 'app_config_id', 'slug') ]
+ type_s = 'Blog Post'
+
+ title = FieldProperty(str, if_missing='Untitled')
+ text = FieldProperty(str, if_missing='')
+ timestamp = FieldProperty(datetime, if_missing=datetime.utcnow)
+ slug = FieldProperty(str)
+ state = FieldProperty(schema.OneOf('draft', 'published'), if_missing='draft')
+ neighborhood_id = ForeignIdProperty('Neighborhood', if_missing=None)
+
+ def author(self):
+ '''The author of the first snapshot of this BlogPost'''
+ return M.User.query.get(_id=self.get_version(1).author.id) or M.User.anonymous()
+
+ def _get_date(self):
+ return self.timestamp.date()
+ def _set_date(self, value):
+ self.timestamp = datetime.combine(value, self.time)
+ date = property(_get_date, _set_date)
+
+ def _get_time(self):
+ return self.timestamp.time()
+ def _set_time(self, value):
+ self.timestamp = datetime.combine(self.date, value)
+ time = property(_get_time, _set_time)
+
+ @property
+ def html_text(self):
+ return g.markdown.convert(self.text)
+
+ @property
+ def html_text_preview(self):
+ """Return an html preview of the BlogPost text.
+
+ Truncation happens at paragraph boundaries to avoid chopping markdown
+ in inappropriate places.
+
+ If the entire post is one paragraph, the full text is returned.
+ If the entire text is <= 400 chars, the full text is returned.
+ Else, at least 400 chars are returned, rounding up to the nearest
+ whole paragraph.
+
+ If truncation occurs, a hyperlink to the full text is appended.
+
+ """
+ # Splitting on spaces or single lines breaks isn't sufficient as some
+ # markup can span spaces and single line breaks. Converting to HTML
+ # first and *then* truncating doesn't work either, because the
+ # ellipsis tag ends up orphaned from the main text.
+ ellipsis = '... [read more](%s)' % self.url()
+ paragraphs = self.text.replace('\r','').split('\n\n')
+ total_length = 0
+ for i, p in enumerate(paragraphs):
+ total_length += len(p)
+ if total_length >= 400:
+ break
+ text = '\n\n'.join(paragraphs[:i+1])
+ return g.markdown.convert(text + (ellipsis if i + 1 < len(paragraphs)
+ else ''))
+
+ @property
+ def email_address(self):
+ domain = '.'.join(reversed(self.app.url[1:-1].split('/'))).replace('_', '-')
+ return '%s@%s%s' % (self.title.replace('/', '.'), domain, config.common_suffix)
+
+ def make_slug(self):
+ slugsafe = ''.join(
+ ch.lower()
+ for ch in self.title.replace(' ', '-')
+ if ch.isalnum() or ch == '-')
+ base = '%s/%s' % (
+ self.timestamp.strftime('%Y/%m'),
+ slugsafe)
+ self.slug = base
+ while True:
+ try:
+ session(self).insert_now(self, state(self))
+ return self.slug
+ except DuplicateKeyError:
+ self.slug = base + '-%.3d' % randint(0,999)
+ return self.slug
+
+ def url(self):
+ return self.app.url + self.slug + '/'
+
+ def shorthand_id(self):
+ return self.slug
+
+ def index(self):
+ result = super(BlogPost, self).index()
+ result.update(
+ title_s=self.slug,
+ type_s=self.type_s,
+ state_s=self.state,
+ snippet_s='%s: %s' % (self.title, h.text.truncate(self.text, 200)),
+ text=self.text)
+ return result
+
+ def get_version(self, version):
+ HC = self.__mongometa__.history_class
+ return HC.query.find({'artifact_id':self._id, 'version':int(version)}).one()
+
+ def commit(self):
+ self.subscribe()
+ super(BlogPost, self).commit()
+ if self.version > 1:
+ v1 = self.get_version(self.version-1)
+ v2 = self
+ la = [ line + '\n' for line in v1.text.splitlines() ]
+ lb = [ line + '\n' for line in v2.text.splitlines() ]
+ diff = ''.join(patience.unified_diff(
+ la, lb,
+ 'v%d' % v1.version,
+ 'v%d' % v2.version))
+ description = diff
+ if v1.state != 'published' and v2.state == 'published':
+ M.Feed.post(self, self.title, self.text, author=self.author())
+ description = self.text
+ subject = '%s created post %s' % (
+ c.user.username, self.title)
+ elif v1.title != v2.title:
+ subject = '%s renamed post %s to %s' % (
+ c.user.username, v2.title, v1.title)
+ else:
+ subject = '%s modified post %s' % (
+ c.user.username, self.title)
+ else:
+ description = self.text
+ subject = '%s created post %s' % (
+ c.user.username, self.title)
+ if self.state == 'published':
+ M.Feed.post(self, self.title, self.text, author=self.author())
+ if self.state == 'published':
+ M.Notification.post(
+ artifact=self, topic='metadata', text=description, subject=subject)
+
+class Attachment(M.BaseAttachment):
+ ArtifactClass=BlogPost
+ class __mongometa__:
+ polymorphic_identity='BlogAttachment'
+ attachment_type=FieldProperty(str, if_missing='BlogAttachment')
+
+
+Mapper.compile_all()