__all__ = [
+ 'mk_search_conditions',
'search_authors', 'search_books', 'search_extensions',
'search_genres', 'search_languages',
]
from .db import Author, Book, Extension, Genre, Language
-def _search_with_operator(table, case_sensitive, comparison_op, values):
- expressions = []
+def _mk_search_conditions_with_operator(table, case_sensitive, comparison_op,
+ values, expressions):
+ if expressions is None:
+ expressions = []
+ _expressions = []
if case_sensitive:
for column, value in values.items():
- expressions.append(
+ _expressions.append(
getattr(getattr(table.q, column), comparison_op)(value))
+ for expr, value in expressions:
+ _expressions.append(
+ getattr(expr, comparison_op)(value))
else:
for column, value in values.items():
- expressions.append(
+ _expressions.append(
getattr(func.lower(
getattr(table.q, column)), comparison_op)(value.lower()))
- return AND(*expressions)
+ for expr, value in expressions:
+ _expressions.append(
+ getattr(func.lower(expr), comparison_op)(value.lower()))
+ return _expressions
-def _search_exact(table, case_sensitive, values):
- return _search_with_operator(table, case_sensitive, '__eq__', values)
+_search_conditions_dict = {
+ 'start': 'startswith',
+ 'substring': 'contains',
+ 'full': '__eq__',
+}
-def _search_start(table, case_sensitive, values):
- return _search_with_operator(table, case_sensitive, 'startswith', values)
+def mk_search_conditions(table, search_type, case_sensitive, values,
+ expressions=None):
+ return _mk_search_conditions_with_operator(
+ table, case_sensitive, _search_conditions_dict[search_type],
+ values, expressions)
-def _search_substring(table, case_sensitive, values):
- return _search_with_operator(table, case_sensitive, 'contains', values)
+def _search(table, search_type, case_sensitive, values,
+ expressions=None, orderBy=None):
+ conditions = mk_search_conditions(
+ table, search_type, case_sensitive, values, expressions=expressions)
+ return table.select(AND(*conditions), orderBy=orderBy)
-def _search(table, search_type, case_sensitive, values):
- _search_f = globals()['_search_%s' % search_type]
- conditions = _search_f(table, case_sensitive, values)
- return table.select(conditions)
+def search_authors(search_type, case_sensitive, values,
+ expressions=None, orderBy=None):
+ return _search(Author, search_type, case_sensitive, values,
+ expressions=None, orderBy=orderBy)
-def search_authors(search_type, case_sensitive, values):
- return _search(Author, search_type, case_sensitive, values)
+def search_books(search_type, case_sensitive, values, orderBy=None):
+ return _search(Book, search_type, case_sensitive, values,
+ orderBy=orderBy)
-def search_books(search_type, case_sensitive, values):
- return _search(Book, search_type, case_sensitive, values)
+def search_extensions(search_type, case_sensitive, values, orderBy=None):
+ return _search(Extension, search_type, case_sensitive, values,
+ orderBy=orderBy)
-def search_extensions(search_type, case_sensitive, values):
- return _search(Extension, search_type, case_sensitive, values)
+def search_genres(search_type, case_sensitive, values, orderBy=None):
+ return _search(Genre, search_type, case_sensitive, values,
+ orderBy=orderBy)
-def search_genres(search_type, case_sensitive, values):
- return _search(Genre, search_type, case_sensitive, values)
-
-
-def search_languages(search_type, case_sensitive, values):
- return _search(Language, search_type, case_sensitive, values)
+def search_languages(search_type, case_sensitive, values, orderBy=None):
+ return _search(Language, search_type, case_sensitive, values,
+ orderBy=orderBy)