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Source code for galaxy.webapps.galaxy.api.roles

API operations on Role objects.
import logging

from sqlalchemy import false

from galaxy import web
from galaxy.web.base.controller import BaseAPIController, url_for

log = logging.getLogger(__name__)

[docs]class RoleAPIController(BaseAPIController):
[docs] @web.expose_api def index(self, trans, **kwd): """ GET /api/roles Displays a collection (list) of roles. """ rval = [] for role in trans.sa_session.query(trans.app.model.Role).filter(trans.app.model.Role.table.c.deleted == false()): if trans.user_is_admin() or trans.app.security_agent.ok_to_display(trans.user, role): item = role.to_dict(value_mapper={'id': trans.security.encode_id}) encoded_id = trans.security.encode_id(role.id) item['url'] = url_for('role', id=encoded_id) rval.append(item) return rval
[docs] @web.expose_api def show(self, trans, id, **kwd): """ GET /api/roles/{encoded_role_id} Displays information about a role. """ role_id = id try: decoded_role_id = trans.security.decode_id(role_id) except TypeError: trans.response.status = 400 return "Malformed role id ( %s ) specified, unable to decode." % str(role_id) try: role = trans.sa_session.query(trans.app.model.Role).get(decoded_role_id) except Exception: role = None if not role or not (trans.user_is_admin() or trans.app.security_agent.ok_to_display(trans.user, role)): trans.response.status = 400 return "Invalid role id ( %s ) specified." % str(role_id) item = role.to_dict(view='element', value_mapper={'id': trans.security.encode_id}) item['url'] = url_for('role', id=role_id) return item
[docs] @web.expose_api def create(self, trans, payload, **kwd): """ POST /api/roles Creates a new role. """ if not trans.user_is_admin(): trans.response.status = 403 return "You are not authorized to create a new role." name = payload.get('name', None) description = payload.get('description', None) if not name or not description: trans.response.status = 400 return "Enter a valid name and a description" if trans.sa_session.query(trans.app.model.Role).filter(trans.app.model.Role.table.c.name == name).first(): trans.response.status = 400 return "A role with that name already exists" role_type = trans.app.model.Role.types.ADMIN # TODO: allow non-admins to create roles role = trans.app.model.Role(name=name, description=description, type=role_type) trans.sa_session.add(role) user_ids = payload.get('user_ids', []) users = [trans.sa_session.query(trans.model.User).get(trans.security.decode_id(i)) for i in user_ids] group_ids = payload.get('group_ids', []) groups = [trans.sa_session.query(trans.model.Group).get(trans.security.decode_id(i)) for i in group_ids] # Create the UserRoleAssociations for user in users: trans.app.security_agent.associate_user_role(user, role) # Create the GroupRoleAssociations for group in groups: trans.app.security_agent.associate_group_role(group, role) trans.sa_session.flush() encoded_id = trans.security.encode_id(role.id) item = role.to_dict(view='element', value_mapper={'id': trans.security.encode_id}) item['url'] = url_for('role', id=encoded_id) return [item]