source: products/qRSS2Syndication/tags/0.5/utils.py @ 1

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

Building directory structure

File size: 2.9 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 = 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    cpath = '/'.join(context.getPhysicalPath())
48    syProperties = {}
49    syProperties = getRSS2Properties(context)
50    include_subfolders = 0
51    if ps.isSyndicationAllowed(context):
52        types = syProperties['rss2_types']
53        only_published = syProperties['only_published']
54        include_subfolders = syProperties['include_subfolders']
55        articles_number = syProperties['articles_number']
56
57        catalog = getToolByName(context,'portal_catalog')
58        args = {'portal_type':types, 
59                'path':cpath,
60                'sort_on':'effective',
61                'sort_order':'reverse',}
62        if only_published:
63            args['review_state'] = 'published'
64        if include_subfolders == 0:
65            args['sort_limit'] = articles_number
66        res=catalog.searchResults(args)
67    path_length=len(cpath)+1
68    res1=[]
69    if include_subfolders == 0:
70        for i in res :
71            if i.getPath()[path_length:].find('/')<0:
72                res1.append(i)
73        res = res1[:articles_number]
74    res = [r.getObject() for r in res]
75    return res
76
77
78def getFileContentType(context):
79    """  !ATAudio specific only! Get the content type of file field method """
80    return context.Schema()['file'].getContentType(context)
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