Source code for ps_tree.views

import transaction
from pyramid.httpexceptions import HTTPInternalServerError
from pyramid.view import view_config

from pyramid_sacrud.security import (PYRAMID_SACRUD_DELETE,
                                     PYRAMID_SACRUD_UPDATE)
from sacrud.common import pk_to_list

from . import CONFIG_MODELS, PS_TREE_GET_TREE, PS_TREE_PAGE_MOVE


[docs]def get_model(settings, tablename): for model in settings[CONFIG_MODELS]: if model.__tablename__ == tablename: return model return None
@view_config( route_name=PS_TREE_GET_TREE, permission=PS_TREE_GET_TREE, renderer='json' )
[docs]def get_tree(request): def fields(node): node_list_of_pk = pk_to_list(node, True), url_delete = request.route_url( PYRAMID_SACRUD_DELETE, table=node.__tablename__, pk=pk_to_list(node)) url_update = request.route_url( PYRAMID_SACRUD_UPDATE, table=node.__tablename__, pk=pk_to_list(node)) return { 'url_delete': url_delete, 'url_update': url_update, 'list_of_pk': node_list_of_pk, } table = get_model(request.registry.settings, request.matchdict['tablename']) return table.get_tree(request.dbsession, json=True, json_fields=fields)
@view_config( route_name=PS_TREE_PAGE_MOVE, permission=PS_TREE_PAGE_MOVE, renderer='json' )
[docs]def page_move(request): method = request.matchdict['method'] node_id = request.matchdict['node_id'] target_id = request.matchdict['target_id'] tablename = request.matchdict['tablename'] table = get_model(request.registry.settings, tablename) pk = table.get_pk_column() page = request.dbsession.query(table).filter(pk == node_id).one() if method == 'inside': page.move_inside(target_id) elif method == 'after': page.move_after(target_id) elif method == 'before': page.move_before(target_id) else: raise HTTPInternalServerError("Unavailable method {}".format(method)) try: request.dbsession.commit() except AssertionError: transaction.commit() return ''
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