def new_project(event, context=None):
"""
End-point: Creates a new CBR application (project).
"""
result = {}
statusCode = 201
proj = json.loads(event['body']) # parameters in request body
# create ES index for Projects if it does not exist
es = getESConn()
if not es.indices.exists(index=projects_db):
project_mapping = project.getProjectMapping()
es.indices.create(index=projects_db, body=project_mapping)
# create config db if it does not exist
utility.createOrUpdateGlobalConfig(es, config_db=config_db)
if 'casebase' not in proj or "" == proj['casebase'] or "" == proj['name']:
result = "A new project has to specify a name and a casebase."
statusCode = 400
elif utility.indexHasDocWithFieldVal(
es, index=projects_db, field='casebase',
value=proj['casebase']): # (index, field, value)
result = "Casebase already exists. Choose a different name for the casebase."
statusCode = 400
else:
proj['attributes'] = []
proj['hasCasebase'] = False
# print(proj)
result = es.index(index=projects_db, body=proj)
response = {
"statusCode": statusCode,
"headers": headers,
"body": json.dumps(result)
}
return response
def re_create_config(event, context=None):
"""
End-point: (Temporary) To re-create the config after changes are made programmatically
"""
# get config. configuration index has 1 document
result = []
es = getESConn()
utility.createOrUpdateGlobalConfig(es, config_db=config_db)
time.sleep(0.3) # 0.3 sec wait to allow time for created index to be ready
query = {"query": retrieve.MatchAll()}
res = es.search(index=config_db, body=query)
if (res['hits']['total']['value'] > 0):
result = res['hits']['hits'][0]['_source']
response = {
"statusCode": 200,
"headers": headers,
"body": json.dumps(result)
}
return response
def get_config(event, context=None):
"""
End-point: Retrieves configuration
"""
# get config. configuration index has 1 document
result = []
es = getESConn()
if not es.indices.exists(index=config_db): # create config db if it does not exist
utility.createOrUpdateGlobalConfig(es, config_db=config_db)
time.sleep(0.3) # 0.3 sec wait to allow time for created index to be ready
query = {"query": retrieve.MatchAll()}
res = es.search(index=config_db, body=query)
if (res['hits']['total']['value'] > 0):
result = res['hits']['hits'][0]['_source']
response = {
"statusCode": 200,
"headers": headers,
"body": json.dumps(result)
}
return response
def update_config(event, context=None):
"""
End-point: Updates configuration
"""
res = utility.createOrUpdateGlobalConfig(getESConn(), config_db=config_db, globalConfig=json.loads(event['body']))
msg = "Configuration updated" if res else "Configuration not updated"
body = {
"result": res,
"message": msg
}
response = {
"statusCode": 201,
"headers": headers,
"body": json.dumps(body)
}
return response