def implementation(db, notify_changes, col, book_id, val, append):
is_remote = notify_changes is not None
field = db.field_metadata.custom_field_prefix + col
with db.write_lock:
if not db.has_id(book_id):
return False, _('No book with id {} exists').format(book_id)
try:
fm = db.field_metadata[field]
except KeyError:
return False, _('No column with name {} exists').format(col)
if fm['datatype'] == 'series':
val, s_index = _get_series_values(val)
if s_index is None:
s_index = db.get_next_series_num_for(val, field=field)
db.set_field(field,
{book_id: val}), db.set_field(field + '_index',
{book_id: s_index})
msg = _('Data set to: {} [{}]').format(
db.field_for(field, book_id),
db.field_for(field + '_index', book_id))
else:
if append and fm['is_multiple']:
val = list(db.field_for(field, book_id)) + [val]
db.set_field(field, {book_id: val})
val = db.field_for(field, book_id)
if isinstance(val, (tuple, list)):
val = fm['is_multiple']['list_to_ui'].join(val)
msg = _('Data set to: {}').format(val)
if is_remote:
notify_changes(metadata((book_id, )))
return True, msg
def implementation(db, notify_changes, col, book_id, val, append):
is_remote = notify_changes is not None
field = db.field_metadata.custom_field_prefix + col
with db.write_lock:
if not db.has_id(book_id):
return False, _('No book with id {} exists').format(book_id)
try:
fm = db.field_metadata[field]
except KeyError:
return False, _('No column with name {} exists').format(col)
if fm['datatype'] == 'series':
val, s_index = _get_series_values(val)
if s_index is None:
s_index = db.get_next_series_num_for(val, field=field)
db.set_field(field, {book_id: val}), db.set_field(field + '_index', {book_id: s_index})
msg = _('Data set to: {} [{}]').format(db.field_for(field, book_id), db.field_for(field + '_index', book_id))
else:
if append and fm['is_multiple']:
val = list(db.field_for(field, book_id)) + [val]
db.set_field(field, {book_id: val})
val = db.field_for(field, book_id)
if isinstance(val, (tuple, list)):
val = fm['is_multiple']['list_to_ui'].join(val)
msg = _('Data set to: {}').format(val)
if is_remote:
notify_changes(metadata((book_id,)))
return True, msg
def _get_series_values(self, val):
return _get_series_values(val)
def _get_series_values(self, val):
return _get_series_values(val)