source: products/qRSS2Syndication/trunk/utils.py @ 1

Last change on this file since 1 was 1, checked in by myroslav, 14 years ago

Building directory structure

File size: 2.8 KB
Line 
1from Products.CMFCore.utils import getToolByName
2from Acquisition import aq_base
3
4
5def setupRSS2Types(context,
6                    rss2_types = (),
7                    only_published = 0,
8                    include_subfolders = 0,
9                    articles_number = 20,
10                    REQUEST = None):
11    """ Save all needed RSS2 properties into 'syndication_information' """
12    obj=aq_base(context)
13    status = 'success'
14    message = 'Your changes have been saved'
15
16    syInfo = getattr(obj, 'syndication_information', None)
17
18    if syInfo is None:
19        message = 'Syndication is Disabled'
20        status = 'failed'
21    syInfo.rss2_types = list(rss2_types)
22    syInfo.only_published = only_published
23    syInfo.include_subfolders = include_subfolders
24    syInfo.max_items = int(articles_number)
25    return status, message
26
27def getRSS2Properties(context):
28     """ Return directory of RSS2 properties from 'syndication_information' """
29     obj=aq_base(context)
30     syInfo = getattr(obj, 'syndication_information', None)
31     syPropeties={}
32     syPropeties['rss2_types'] = getattr(syInfo,'rss2_types',[])
33     syPropeties['only_published'] = getattr(syInfo,'only_published',0)
34     syPropeties['include_subfolders'] = getattr(syInfo,'include_subfolders',0)
35     syPropeties['articles_number'] =int(getattr(syInfo,'max_items',20))
36     return  syPropeties
37
38
39
40def listSyndicatableContent(context):
41    """ List folder contents - catalog query
42        * filtered types only
43        * sort on effective
44        * take only first 'articles_number' of elements """
45    res = []
46    ps = getToolByName(context,'portal_syndication')
47    if ps.isSyndicationAllowed(context):
48        cpath = '/'.join(context.getPhysicalPath())
49        syProperties = getRSS2Properties(context)
50        types = syProperties['rss2_types']
51        only_published = syProperties['only_published']
52        include_subfolders = syProperties['include_subfolders']
53        articles_number = syProperties['articles_number']
54
55        catalog = getToolByName(context,'portal_catalog')
56        args = {'portal_type':types,
57                'path':cpath,
58                'sort_on':'effective',
59                'sort_order':'reverse',}
60        if only_published:
61            args['review_state'] = 'published'
62        if include_subfolders == 0:
63            path_length=len(cpath)+1
64            for i in catalog.searchResults(args):
65                if i.getPath()[path_length:].find('/')<0:
66                    res.append(i)
67            res = res[:articles_number]
68        else:
69            args['sort_limit'] = articles_number
70            res=catalog.searchResults(args)
71        res = [r.getObject() for r in res]
72    return res
73
74
75def getFileContentType(context):
76    """  !ATAudio specific only! Get the content type of file field method """
77    return context.Schema()['file'].getContentType(context)
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