221 lines
9.0 KiB
Python
221 lines
9.0 KiB
Python
from zope.interface import Interface
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from zope.interface.common.mapping import IIterableMapping
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from zope import schema
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from zope.i18nmessageid import MessageFactory
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_ = MessageFactory('plone.app.discussion')
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class IDiscussionSettings(Interface):
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"""Global discussion settings. This describes records stored in the
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configuration registry and obtainable via plone.registry.
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"""
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# Todo: Write a short hint, that other discussion related options can
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# be found elsewhere in the Plone control panel:
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#
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# - Types control panel: Allow comments on content types
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# - Search control panel: Show comments in search results
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globally_enabled = schema.Bool(title=_(u"Globally enable comments"),
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description=_(u"""If selected, user can post
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comments."""),
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required=False,
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default=True)
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anonymous_comments = schema.Bool(title=_(u"Enable anonymous comments"),
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description=_(u"""If selected, anonymous users are
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able to post comments without
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logging in. It is highly
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recommended to use a captcha
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solution to prevent spam if
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this setting is enabled."""),
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required=False,
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default=False)
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captcha = schema.Choice(title=_(u"Captcha"),
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description=_(u"""Use this setting to enable or disable
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captcha validation for comments. If no
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captcha options are currently available,
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install plone.formwidget.captcha or
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plone.formwidget.recaptcha."""),
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required=True,
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default='disabled',
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vocabulary='plone.app.discussion.vocabularies.CaptchaVocabulary',)
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show_commenter_image = schema.Bool(title=_(u"Show commenter image"),
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description=_(u"""If selected, an image of the
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user is shown next to the
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comment."""),
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required=False,
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default=True)
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class IConversation(IIterableMapping):
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"""A conversation about a content object.
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This is a persistent object in its own right and manages all comments.
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The dict interface allows access to all comments. They are stored by
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long integer key, in the order they were added.
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Note that __setitem__() is not supported - use addComment() instead.
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However, comments can be deleted using __delitem__().
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To get replies at the top level, adapt the conversation to IReplies.
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The conversation can be traversed to via the ++comments++ namespace.
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For example, path/to/object/++comments++/123 retrieves comment 123.
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The __parent__ of the conversation (and the acquisition parent during
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traversal) is the content object. The conversation is the __parent__
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(and acquisition parent) for all comments, regardless of threading.
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"""
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total_comments = schema.Int(title=_(u"Total number of comments on this item"), min=0, readonly=True)
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last_comment_date = schema.Date(title=_(u"Date of the most recent comment"), readonly=True)
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commentators = schema.Set(title=_(u"The set of unique commentators (usernames)"), readonly=True)
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def enabled():
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"""Return True if commenting enabled and False if not.
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"""
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def addComment(comment):
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"""Adds a new comment to the list of comments, and returns the
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comment id that was assigned. The comment_id property on the comment
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will be set accordingly.
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"""
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def __delitem__(key):
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"""Delete the comment with the given key. The key is a long id.
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"""
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def getComments(start=0, size=None):
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"""Return an iterator of comment objects for rendering.
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The 'start' parameter is the id of the comment from which to start the
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batch. If no such comment exists, the next higher id will be used.
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This means that you can use max key from a previous batch + 1 safely.
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The 'size' parameter is the number of comments to return in the
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batch.
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The comments are returned in creation date order, in the exact batch
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size specified.
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"""
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def getThreads(start=0, size=None, root=0, depth=None):
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"""Return a batch of comment objects for rendering.
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The 'start' parameter is the id of the comment from which to start
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the batch. If no such comment exists, the next higher id will be used.
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This means that you can use max key from a previous batch + 1 safely.
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This should be a root level comment.
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The 'size' parameter is the number of threads to return in the
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batch. Full threads are always returned (although you can stop
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consuming the iterator if you want to abort).
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'root', if given, is the id of the comment to which reply
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threads will be found. 'root' itself is not included. If not given,
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all threads are returned.
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If 'depth' is given, it can be used to limit the depth of threads
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returned. For example, depth=1 will return only direct replies.
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Comments are returned as an iterator of dicts with keys 'comment',
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the comment, 'id', the comment id, and 'depth', which is 0 for
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top-level comments, 1 for their replies, and so on. The list is
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returned in depth-first order.
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"""
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class IReplies(IIterableMapping):
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"""A set of related comments in reply to a given content object or
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another comment.
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Adapt a conversation or another comment to this interface to obtain the
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direct replies.
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"""
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def addComment(comment):
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"""Adds a new comment as a child of this comment, and returns the
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comment id that was assigned. The comment_id property on the comment
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will be set accordingly.
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"""
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def __delitem__(key):
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"""Delete the comment with the given key. The key is a long id.
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"""
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class IComment(Interface):
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"""A comment.
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Comments are indexed in the catalog and subject to workflow and security.
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"""
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portal_type = schema.ASCIILine(title=_(u"Portal type"), default="Discussion Item")
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__parent__ = schema.Object(title=_(u"Conversation"), schema=Interface)
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__name__ = schema.TextLine(title=_(u"Name"))
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comment_id = schema.Int(title=_(u"A comment id unique to this conversation"))
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in_reply_to = schema.Int(title=_(u"Id of comment this comment is in reply to"), required=False)
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# for logged in comments - set to None for anonymous
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author_username = schema.TextLine(title=_(u"Name"), required=False)
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# for anonymous comments only, set to None for logged in comments
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author_name = schema.TextLine(title=_(u"Name"), required=False)
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author_email = schema.TextLine(title=_(u"Email"), required=False)
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title = schema.TextLine(title=_(u"Subject"))
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mime_type = schema.ASCIILine(title=_(u"MIME type"), default="text/plain")
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text = schema.Text(title=_(u"Comment"))
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creator = schema.TextLine(title=_(u"Author name (for display)"))
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creation_date = schema.Date(title=_(u"Creation date"))
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modification_date = schema.Date(title=_(u"Modification date"))
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class ICaptcha(Interface):
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captcha = schema.TextLine(title=u"Captcha",
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required=False)
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class ICommentingTool(Interface):
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"""A tool that indexes all comments for usage by the management interface.
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This means the management interface can still work even though we don't
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index the comments in portal_catalog.
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The default implementation of this interface simply defers to
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portal_catalog, but a custom version of the tool can be used to provide
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an alternate indexing mechanism.
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"""
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def indexObject(comment):
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"""Indexes a comment
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"""
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def reindexObject(comment):
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"""Reindex a comment
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"""
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def unindexObject(comment):
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"""Removes a comment from the indexes
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"""
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def uniqueValuesFor(name):
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"""Get unique values for FieldIndex name
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"""
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def searchResults(REQUEST=None, **kw):
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"""Perform a search over all indexed comments.
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"""
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#class IDiscussionLayer(Interface):
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# XXX: This is only temporarily. IDefaultPloneLayer can be removed again as soon
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# as Plone 4.0b1 with plone.theme 2.0b1 is out. [davisagli]
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from plone.theme.interfaces import IDefaultPloneLayer
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class IDiscussionLayer(IDefaultPloneLayer):
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"""Request marker installed via browserlayer.xml.
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"""
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