def fulltext(self, query, source=True, context=True, translation=True,
checksums=False):
'''
Performs full text search on defined set of fields.
Returns queryset unless checksums is set.
'''
lang = self.all()[0].translation.language.code
ret = fulltext_search(query, lang, source, context, translation)
if checksums:
return ret
return self.filter(checksum__in=ret)
def same_source(self, unit):
'''
Finds units with same source.
'''
checksums = fulltext_search(
unit.get_source_plurals()[0],
unit.translation.language.code,
True, False, False
)
return self.filter(
checksum__in=checksums,
translation__language=unit.translation.language,
translated=True
).exclude(
pk=unit.id
)
def more_like_this(self, unit, top=5):
'''
Finds closely similar units.
'''
more_results = more_like(unit.checksum, unit.source, top)
same_results = fulltext_search(
unit.get_source_plurals()[0],
unit.translation.language.code,
True, False, False
)
checksums = more_results - same_results
return self.filter(
checksum__in=checksums,
translation__language=unit.translation.language,
translated=True
).exclude(
pk=unit.id
)
