+from sqlobject.sqlbuilder import AND, OR, func, CONCAT
+
+from .config import get_config
+from .db import Author, Book, Extension, Genre, Language
__all__ = [
'mk_search_conditions',
'search_genres', 'search_languages',
]
-from sqlobject.sqlbuilder import AND, func
-from .db import Author, Book, Extension, Genre, Language
-
def _mk_search_conditions_with_operator(table, case_sensitive, comparison_op,
values, expressions):
if expressions is None:
expressions = []
_expressions = []
+ for column, value in values.items():
+ if column == 'id':
+ _expressions.append(table.q.id == value)
+ break
if case_sensitive:
for column, value in values.items():
+ if column == 'id':
+ continue
_expressions.append(
getattr(getattr(table.q, column), comparison_op)(value))
for expr, value in expressions:
getattr(expr, comparison_op)(value))
else:
for column, value in values.items():
+ if column == 'id':
+ continue
_expressions.append(
getattr(func.lower(
- getattr(table.q, column)), comparison_op)(value.lower()))
+ getattr(table.q, column)),
+ comparison_op)(value.lower()))
for expr, value in expressions:
_expressions.append(
getattr(func.lower(expr), comparison_op)(value.lower()))
return _expressions
-_search_conditions_dict = {
+_comparison_operators = {
'start': 'startswith',
'substring': 'contains',
'full': '__eq__',
def mk_search_conditions(table, search_type, case_sensitive, values,
- expressions=None):
+ expressions=None, join_expressions=None):
+ if join_expressions is None:
+ join_expressions = []
return _mk_search_conditions_with_operator(
- table, case_sensitive, _search_conditions_dict[search_type],
- values, expressions)
+ table, case_sensitive, _comparison_operators[search_type],
+ values, expressions) + join_expressions
def _search(table, search_type, case_sensitive, values,
- expressions=None, orderBy=None):
+ expressions=None, join_expressions=None, orderBy=None):
conditions = mk_search_conditions(
- table, search_type, case_sensitive, values, expressions=expressions)
+ table, search_type, case_sensitive, values, expressions=expressions,
+ join_expressions=join_expressions)
return table.select(AND(*conditions), orderBy=orderBy)
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_books(search_type, case_sensitive, values, orderBy=None):
- return _search(Book, search_type, case_sensitive, values,
- orderBy=orderBy)
+ expressions=expressions, orderBy=orderBy)
+
+
+def search_books(search_type, case_sensitive, values, join_expressions=None,
+ orderBy=None, use_filters=False):
+ if use_filters:
+ config = get_config()
+ lang_filter = config.getlist('filters', 'lang')
+ deleted_filter = config.getint('filters', 'deleted')
+ if lang_filter:
+ if join_expressions is None:
+ join_expressions = []
+ lang_conditions = []
+ for lang in lang_filter:
+ lvalues = {'name': lang}
+ conditions = mk_search_conditions(
+ Language, search_type, case_sensitive, lvalues)
+ lang_conditions.append(conditions)
+ join_expressions.append(Book.j.language)
+ join_expressions.append(OR(*lang_conditions))
+ conditions = mk_search_conditions(
+ Book, search_type, case_sensitive, values,
+ join_expressions=join_expressions)
+ if use_filters and not deleted_filter:
+ conditions.append(Book.q.deleted == False) # noqa: E712
+ return Book.select(AND(*conditions), orderBy=orderBy)
def search_extensions(search_type, case_sensitive, values, orderBy=None):
def search_languages(search_type, case_sensitive, values, orderBy=None):
return _search(Language, search_type, case_sensitive, values,
orderBy=orderBy)
+
+
+def decode(value):
+ if isinstance(value, bytes):
+ return value.decode('utf-8')
+ return value
+
+
+def _guess_case_sensitivity(value):
+ return not value.islower()
+
+
+def search_authors_raw(value, search_type, case_sensitive):
+ value = decode(value)
+ if not search_type:
+ search_type = 'start'
+ if case_sensitive is None:
+ case_sensitive = _guess_case_sensitivity(value)
+ expressions = [(
+ CONCAT(Author.q.surname, ' ', Author.q.name, ' ', Author.q.misc_name),
+ decode(value)
+ )]
+ authors = search_authors(search_type, case_sensitive, {}, expressions,
+ orderBy=('surname', 'name', 'misc_name'))
+ columns = get_config().getlist('columns', 'author', ['fullname'])
+ return {
+ 'authors': list(authors),
+ 'search_authors': value,
+ 'search_type': search_type,
+ 'case_sensitive': case_sensitive,
+ 'columns': columns,
+ }
+
+
+def books_by_author(aid):
+ use_filters = get_config().getint('filters', 'use_in_books_list', 1)
+ columns = get_config().getlist('columns', 'book', ['title'])
+ author = Author.get(aid)
+ if use_filters:
+ join_expressions = []
+ join_expressions.append(Book.j.authors)
+ join_expressions.append(Author.q.id == aid)
+ books = search_books('full', None, {}, join_expressions,
+ orderBy=('series', 'ser_no', 'title', '-date'),
+ use_filters=use_filters)
+ else:
+ books = Book.select(
+ Book.j.authors & (Author.q.id == aid),
+ orderBy=['series', 'ser_no', 'title'],
+ )
+ return {
+ 'books_by_author': {author.fullname: list(books)},
+ 'columns': columns,
+ }
+
+
+def search_books_raw(value, search_type, case_sensitive, use_filters):
+ value = decode(value)
+ if not search_type:
+ search_type = 'start'
+ if case_sensitive is None:
+ case_sensitive = _guess_case_sensitivity(value)
+ books = search_books(search_type, case_sensitive, {'title': value}, None,
+ orderBy=('title',), use_filters=use_filters)
+ books_by_authors = {}
+ for book in books:
+ author = book.author1
+ if author in books_by_authors:
+ books_by_author = books_by_authors[author]
+ else:
+ books_by_author = books_by_authors[author] = []
+ books_by_author.append(book)
+ columns = get_config().getlist('columns', 'book', ['title'])
+ return {
+ 'books_by_author': books_by_authors,
+ 'search_books': value,
+ 'search_type': search_type,
+ 'case_sensitive': case_sensitive,
+ 'columns': columns,
+ }
projects / m_librarian.git / blobdiff