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[Plinn.git] / AttachmentTool.py

diff --git a/AttachmentTool.py b/AttachmentTool.py
index 4df5a3f..87535c7 100644 (file)
--- a/AttachmentTool.py
+++ b/AttachmentTool.py
@@ -28,8 +28,10 @@ from Acquisition import aq_base
 from Globals import InitializeClass
 from OFS.SimpleItem import SimpleItem
 from OFS.Folder import Folder
 from Globals import InitializeClass
 from OFS.SimpleItem import SimpleItem
 from OFS.Folder import Folder

-from OFS.Image import File, cookId
+from OFS.Image import cookId
+from Products.Photo.blobbases import File

 from zExceptions import Unauthorized
 from zExceptions import Unauthorized

+from zExceptions import BadRequest

 from Products.Photo import Photo
 from Products.CMFCore.utils import UniqueObject, getToolByName, getUtilityByInterfaceName
 from Products.CMFCore.permissions import ModifyPortalContent
 from Products.Photo import Photo
 from Products.CMFCore.utils import UniqueObject, getToolByName, getUtilityByInterfaceName
 from Products.CMFCore.permissions import ModifyPortalContent


@@ -44,7 +46,9 @@ from webdav.common import Locked
 from webdav.common import PreconditionFailed
 from zope.contenttype import guess_content_type
 
 from webdav.common import PreconditionFailed
 from zope.contenttype import guess_content_type
 

-
+from libxml2 import HTML_PARSE_RECOVER, HTML_PARSE_NOERROR, HTML_PARSE_NOWARNING
+from libxml2 import htmlReadDoc
+PARSE_OPTIONS = HTML_PARSE_RECOVER + HTML_PARSE_NOERROR + HTML_PARSE_NOWARNING

 
 class AttachmentTool( UniqueObject, SimpleItem):
     """ Links attachment objects to contents.
 
 class AttachmentTool( UniqueObject, SimpleItem):
     """ Links attachment objects to contents.


@@ -114,6 +118,16 @@ class AttachmentContainer (Folder):
     def __init__(self):
         self.id = 'attachments'
 
     def __init__(self):
         self.id = 'attachments'
 

+    security.declarePrivate('checkIdAvailable')
+    def checkIdAvailable(self, id):
+        try:
+            self._checkId(id)
+        except BadRequest:
+            return False
+        else:
+            return True
+
+

     security.declareProtected(ModifyPortalContent, 'put_upload')
     def put_upload(self, REQUEST, RESPONSE):
         """ Upload a content thru webdav put method.
     security.declareProtected(ModifyPortalContent, 'put_upload')
     def put_upload(self, REQUEST, RESPONSE):
         """ Upload a content thru webdav put method.


@@ -174,7 +188,37 @@ class AttachmentContainer (Folder):
         ob.PUT(REQUEST, RESPONSE)
         RESPONSE.setStatus(httpRespCode)
         RESPONSE.setHeader('Content-Type', 'text/xml;;charset=utf-8')
         ob.PUT(REQUEST, RESPONSE)
         RESPONSE.setStatus(httpRespCode)
         RESPONSE.setHeader('Content-Type', 'text/xml;;charset=utf-8')

-        return '<element id="%s" title="%s"/>' % (ob.getId(), escape(ob.title_or_id()))
-
+        if ob.meta_type == 'Blob File' :
+            return '<element id="%s" title="%s"/>' % (ob.getId(), escape(ob.title_or_id()))
+        elif ob.meta_type == 'Photo' :
+            width, height = ob.getResizedImageSize(size=(310, 310))
+            return '<element src="%(src)s" title="%(title)s" width="%(width)d" height="%(height)d"/>' % \
+                {'src' : 'attachments/%s/getResizedImage?size=%d_%d' % (ob.getId(), width, height),
+                 'title' : escape(ob.title_or_id()),
+                 'width' : width,
+                 'height' : height
+                 }
+    
+    security.declareProtected(ModifyPortalContent, 'removeUnusedAttachments')
+    def removeUnusedAttachments(self, html) :
+        html = '<div>%s</div>' % html
+        doc = htmlReadDoc(html, '', None, PARSE_OPTIONS)
+        used = {}
+
+        hrefs = doc.xpathEval('//a/@href')
+        for href in [a.get_content() for a in hrefs] :
+            if href.startswith('attachments/') :
+                used[href[len('attachments/'):]] = True
+
+        srcs = doc.xpathEval('//img/@src')
+        for src in [a.get_content() for a in srcs] :
+            if src.startswith('attachments/') :
+                parts = src.split('/')
+                if len(parts) >=2 :
+                    used[parts[1]] = True
+        
+        unused = [id for id in self.objectIds() if not used.has_key(id)]
+        if unused :
+            self.manage_delObjects(unused)

 
 InitializeClass(AttachmentContainer)
\ No newline at end of file
 
 InitializeClass(AttachmentContainer)
\ No newline at end of file