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Reworked AJAX framework with a lot of new sorting and filtering possibilities.

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This commit is contained in:
Gaetan Delannay 2010-04-30 12:05:29 +02:00
parent 46cda3f755
commit fd775e17a2
11 changed files with 851 additions and 890 deletions
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52
gen/__init__.py
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@ -1,7 +1,7 @@
# ------------------------------------------------------------------------------
import re, time
from appy.shared.utils import Traceback
from appy.gen.utils import sequenceTypes, PageDescr
from appy.gen.utils import sequenceTypes, PageDescr, Keywords
from appy.shared.data import countries
# Default Appy permissions -----------------------------------------------------
@ -54,6 +54,56 @@ class Search:
self.limit = limit
self.fields = fields # This is a dict whose keys are indexed field
# names and whose values are search values.
@staticmethod
def getIndexName(fieldName, usage='search'):
'''Gets the name of the technical index that corresponds to field named
p_fieldName. Indexes can be used for searching (p_usage="search") or
for sorting (usage="sort"). The method returns None if the field
named p_fieldName can't be used for p_usage.'''
if fieldName == 'title':
if usage == 'search': return 'Title'
else: return 'sortable_title'
# Indeed, for field 'title', Plone has created a specific index
# 'sortable_title', because index 'Title' is a ZCTextIndex
# (for searchability) and can't be used for sorting.
elif fieldName == 'description':
if usage == 'search': return 'Description'
else: return None
elif fieldName == 'state': return 'review_state'
else:
return 'get%s%s'% (fieldName[0].upper(),fieldName[1:])
@staticmethod
def getSearchValue(fieldName, fieldValue):
'''Returns a transformed p_fieldValue for producing a valid search
value as required for searching in the index corresponding to
p_fieldName.'''
if fieldName == 'title':
# Title is a ZCTextIndex. We must split p_fieldValue into keywords.
res = Keywords(fieldValue.decode('utf-8')).get()
elif isinstance(fieldValue, basestring) and fieldValue.endswith('*'):
v = fieldValue[:-1]
# Warning: 'z' is higher than 'Z'!
res = {'query':(v,v+'z'), 'range':'min:max'}
elif type(fieldValue) in sequenceTypes:
if fieldValue and isinstance(fieldValue[0], basestring):
# We have a list of string values (ie: we need to
# search v1 or v2 or...)
res = fieldValue
else:
# We have a range of (int, float, DateTime...) values
minv, maxv = fieldValue
rangev = 'minmax'
queryv = fieldValue
if minv == None:
rangev = 'max'
queryv = maxv
elif maxv == None:
rangev = 'min'
queryv = minv
res = {'query':queryv, 'range':rangev}
else:
res = fieldValue
return res
# ------------------------------------------------------------------------------
class Type: