group db-related stuff in sfa/storage
[sfa.git] / sfa / methods / Update.py
1 from sfa.util.method import Method
2
3 from sfa.trust.credential import Credential
4
5 from sfa.storage.parameter import Parameter
6
7 class Update(Method):
8     """
9     Update an object in the registry. Currently, this only updates the
10     PLC information associated with the record. The SFA fields (name, type,
11     GID) are fixed.
12     
13     @param cred credential string specifying rights of the caller
14     @param record a record dictionary to be updated
15
16     @return 1 if successful, faults otherwise 
17     """
18
19     interfaces = ['registry']
20     
21     accepts = [
22         Parameter(dict, "Record dictionary to be updated"),
23         Parameter(str, "Credential string"),
24         ]
25
26     returns = Parameter(int, "1 if successful")
27     
28     def call(self, record_dict, creds):
29         # validate the cred
30         valid_creds = self.api.auth.checkCredentials(creds, "update")
31         
32         # verify permissions
33         hrn = record_dict.get('hrn', '')  
34         self.api.auth.verify_object_permission(hrn)
35     
36         # log
37         origin_hrn = Credential(string=valid_creds[0]).get_gid_caller().get_hrn()
38         self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, origin_hrn, hrn, self.name))
39        
40         return self.api.manager.Update(self.api, record_dict)
41