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Sorting for composite cols marked as dates

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Kovid Goyal 2013-08-25 10:36:47 +05:30
parent 798baa863b
commit 521320657d
2 changed files with 24 additions and 2 deletions
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19
src/calibre/db/fields.py
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@ -18,7 +18,7 @@ from calibre.db.write import Writer
from calibre.ebooks.metadata import title_sort, author_to_author_sort
from calibre.utils.config_base import tweaks
from calibre.utils.icu import sort_key
from calibre.utils.date import UNDEFINED_DATE, clean_date_for_sort
from calibre.utils.date import UNDEFINED_DATE, clean_date_for_sort, parse_date
from calibre.utils.localization import calibre_langcode_to_name
class Field(object):
@ -191,7 +191,15 @@ class CompositeField(OneToOneField):
self.splitter = None
composite_sort = m.get('display', {}).get('composite_sort', None)
if composite_sort == 'number':
self._default_sort_key = 0
self._sort_key = self.number_sort_key
elif composite_sort == 'date':
self._default_sort_key = UNDEFINED_DATE
self._filter_date = lambda x: x
if tweaks['sort_dates_using_visible_fields']:
fmt = m.get('display', {}).get('date_format', None)
self._filter_date = partial(clean_date_for_sort, fmt=fmt)
self._sort_key = self.date_sort_key
else:
self._sort_key = sort_key
@ -202,10 +210,17 @@ class CompositeField(OneToOneField):
p = 1 << (10 * self.SIZE_SUFFIX_MAP.get(val[-2:-1], 0))
val = val[:(-2 if p > 1 else -1)].strip()
val = atof(val) * p
except (TypeError, AttributeError, ValueError):
except (TypeError, AttributeError, ValueError, KeyError):
val = 0.0
return val
def date_sort_key(self, val):
try:
val = self._filter_date(parse_date(val))
except (TypeError, ValueError, AttributeError, KeyError):
val = UNDEFINED_DATE
return val
def render_composite(self, book_id, mi):
with self._lock:
ans = self._render_cache.get(book_id, None)

7
src/calibre/db/tests/reading.py
View File

@ -556,11 +556,14 @@ class ReadingTest(BaseTest):
# }}}
def test_composites(self): # {{{
from calibre.utils.date import parse_only_date as p
cache = self.init_cache()
cache.create_custom_column('mult', 'CC1', 'composite', True, display={'composite_template': 'b,a,c'})
cache.create_custom_column('single', 'CC2', 'composite', False, display={'composite_template': 'b,a,c'})
cache.create_custom_column('number', 'CC3', 'composite', False, display={'composite_template': '{#float}', 'composite_sort':'number'})
cache.create_custom_column('size', 'CC4', 'composite', False, display={'composite_template': '{#float:human_readable()}', 'composite_sort':'number'})
cache.create_custom_column('ccdate', 'CC5', 'composite', False,
display={'composite_template': '{pubdate:format_date(d-M-yy)}', 'composite_sort':'date'})
cache = self.init_cache()
# Test searching
@ -574,5 +577,9 @@ class ReadingTest(BaseTest):
self.assertEqual([3, 1, 2], cache.multisort([('#number', True)]))
cache.set_field('#float', {1:3, 2:2*1024, 3:1*1024*1024})
self.assertEqual([1, 2, 3], cache.multisort([('#size', True)]))
# Test date sorting
cache.set_field('pubdate', {1:p('2001-2-6'), 2:p('2001-10-6'), 3:p('2001-6-6')})
self.assertEqual([1, 3, 2], cache.multisort([('#ccdate', True)]))
# }}}