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##############################################################################
# Copyright (c) 2015 Orange
# guyrodrigue.koffi@orange.com / koffirodrigue@gmail.com
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
# feng.xiaowei@zte.com.cn refactor db.pod to db.pods 5-19-2016
# feng.xiaowei@zte.com.cn refactor test_project to project 5-19-2016
# feng.xiaowei@zte.com.cn refactor response body 5-19-2016
# feng.xiaowei@zte.com.cn refactor pod/project response info 5-19-2016
# feng.xiaowei@zte.com.cn refactor testcase related handler 5-20-2016
# feng.xiaowei@zte.com.cn refactor result related handler 5-23-2016
# feng.xiaowei@zte.com.cn refactor dashboard related handler 5-24-2016
# feng.xiaowei@zte.com.cn add methods to GenericApiHandler 5-26-2016
# feng.xiaowei@zte.com.cn remove PodHandler 5-26-2016
# feng.xiaowei@zte.com.cn remove ProjectHandler 5-26-2016
# feng.xiaowei@zte.com.cn remove TestcaseHandler 5-27-2016
# feng.xiaowei@zte.com.cn remove ResultHandler 5-29-2016
# feng.xiaowei@zte.com.cn remove DashboardHandler 5-30-2016
##############################################################################
import json
from datetime import datetime
from tornado.web import RequestHandler, asynchronous, HTTPError
from tornado import gen
from models import CreateResponse
from common.constants import DEFAULT_REPRESENTATION, HTTP_BAD_REQUEST, \
HTTP_NOT_FOUND, HTTP_FORBIDDEN
from tornado_swagger_ui.tornado_swagger import swagger
class GenericApiHandler(RequestHandler):
def __init__(self, application, request, **kwargs):
super(GenericApiHandler, self).__init__(application, request, **kwargs)
self.db = self.settings["db"]
self.json_args = None
self.table = None
self.table_cls = None
self.db_projects = 'projects'
self.db_pods = 'pods'
self.db_testcases = 'testcases'
self.db_results = 'results'
def prepare(self):
if self.request.method != "GET" and self.request.method != "DELETE":
if self.request.headers.get("Content-Type") is not None:
if self.request.headers["Content-Type"].startswith(
DEFAULT_REPRESENTATION):
try:
self.json_args = json.loads(self.request.body)
except (ValueError, KeyError, TypeError) as error:
raise HTTPError(HTTP_BAD_REQUEST,
"Bad Json format [{}]".
format(error))
def finish_request(self, json_object=None):
if json_object:
self.write(json.dumps(json_object))
self.set_header("Content-Type", DEFAULT_REPRESENTATION)
self.finish()
def _create_response(self, resource):
href = self.request.full_url() + '/' + str(resource)
return CreateResponse(href=href).format()
def format_data(self, data):
cls_data = self.table_cls.from_dict(data)
return cls_data.format_http()
@asynchronous
@gen.coroutine
def _create(self, miss_checks, db_checks, **kwargs):
"""
:param miss_checks: [miss1, miss2]
:param db_checks: [(table, exist, query, error)]
"""
if self.json_args is None:
raise HTTPError(HTTP_BAD_REQUEST, "no body")
data = self.table_cls.from_dict(self.json_args)
for miss in miss_checks:
miss_data = data.__getattribute__(miss)
if miss_data is None or miss_data == '':
raise HTTPError(HTTP_BAD_REQUEST,
'{} missing'.format(miss))
for k, v in kwargs.iteritems():
data.__setattr__(k, v)
for table, exist, query, error in db_checks:
check = yield self._eval_db_find_one(query(data), table)
if (exist and not check) or (not exist and check):
code, message = error(data)
raise HTTPError(code, message)
data.creation_date = datetime.now()
_id = yield self._eval_db(self.table, 'insert', data.format())
if 'name' in self.json_args:
resource = data.name
else:
resource = _id
self.finish_request(self._create_response(resource))
@asynchronous
@gen.coroutine
def _list(self, query=None, res_op=None, *args):
if query is None:
query = {}
data = []
cursor = self._eval_db(self.table, 'find', query)
while (yield cursor.fetch_next):
data.append(self.format_data(cursor.next_object()))
if res_op is None:
res = {self.table: data}
else:
res = res_op(data, *args)
self.finish_request(res)
@asynchronous
@gen.coroutine
def _get_one(self, query):
data = yield self._eval_db_find_one(query)
if data is None:
raise HTTPError(HTTP_NOT_FOUND,
"[{}] not exist in table [{}]"
.format(query, self.table))
self.finish_request(self.format_data(data))
@asynchronous
@gen.coroutine
def _delete(self, query):
data = yield self._eval_db_find_one(query)
if data is None:
raise HTTPError(HTTP_NOT_FOUND,
"[{}] not exit in table [{}]"
.format(query, self.table))
yield self._eval_db(self.table, 'remove', query)
self.finish_request()
@asynchronous
@gen.coroutine
def _update(self, query, db_keys):
if self.json_args is None:
raise HTTPError(HTTP_BAD_REQUEST, "No payload")
# check old data exist
from_data = yield self._eval_db_find_one(query)
if from_data is None:
raise HTTPError(HTTP_NOT_FOUND,
"{} could not be found in table [{}]"
.format(query, self.table))
data = self.table_cls.from_dict(from_data)
# check new data exist
equal, new_query = self._update_query(db_keys, data)
if not equal:
to_data = yield self._eval_db_find_one(new_query)
if to_data is not None:
raise HTTPError(HTTP_FORBIDDEN,
"{} already exists in table [{}]"
.format(new_query, self.table))
# we merge the whole document """
edit_request = data.format()
edit_request.update(self._update_requests(data))
""" Updating the DB """
yield self._eval_db(self.table, 'update', query, edit_request)
edit_request['_id'] = str(data._id)
self.finish_request(edit_request)
def _update_requests(self, data):
request = dict()
for k, v in self.json_args.iteritems():
request = self._update_request(request, k, v,
data.__getattribute__(k))
if not request:
raise HTTPError(HTTP_FORBIDDEN, "Nothing to update")
return request
@staticmethod
def _update_request(edit_request, key, new_value, old_value):
"""
This function serves to prepare the elements in the update request.
We try to avoid replace the exact values in the db
edit_request should be a dict in which we add an entry (key) after
comparing values
"""
if not (new_value is None):
if len(new_value) > 0:
if new_value != old_value:
edit_request[key] = new_value
return edit_request
def _update_query(self, keys, data):
query = dict()
equal = True
for key in keys:
new = self.json_args.get(key)
old = data.__getattribute__(key)
if new is None:
new = old
elif new != old:
equal = False
query[key] = new
return equal, query
def _eval_db(self, table, method, *args):
return eval('self.db.%s.%s(*args)' % (table, method))
def _eval_db_find_one(self, query, table=None):
if table is None:
table = self.table
return self._eval_db(table, 'find_one', query)
class VersionHandler(GenericApiHandler):
@swagger.operation(nickname='list')
def get(self):
"""
@description: list all supported versions
@rtype: L{Versions}
"""
versions = [{'version': 'v1.0', 'description': 'basics'}]
self.finish_request({'versions': versions})
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