bsw@194: local policy = Policy:by_id(param.get_id()) or Policy:new()
bsw@194: 
bsw@194: param.update(
bsw@194:   policy, 
bsw@194:   "index", "name", "description", "active", 
bsw@1234:   "min_admission_time", "max_admission_time", "discussion_time", "verification_time", "voting_time", 
bsw/jbe@1309:   "issue_quorum", "issue_quorum_num", "issue_quorum_den",
bsw/jbe@1309:   "initiative_quorum", "initiative_quorum_num", "initiative_quorum_den", 
bsw@282:   "direct_majority_num", "direct_majority_den", "direct_majority_strict", "direct_majority_positive", "direct_majority_non_negative",
bsw@282:   "indirect_majority_num", "indirect_majority_den", "indirect_majority_strict", "indirect_majority_positive", "indirect_majority_non_negative",
bsw@897:   "no_reverse_beat_path", "no_multistage_majority", "polling"
bsw@194: )
bsw@194: 
bsw@1234: if policy.min_admission_time == "" then policy.min_admission_time = nil end
bsw@1234: if policy.max_admission_time == "" then policy.max_admission_time = nil end
bsw@901: if policy.discussion_time == "" then policy.discussion_time = nil end
bsw@901: if policy.verification_time == "" then policy.verification_time = nil end
bsw@901: if policy.voting_time == "" then policy.voting_time = nil end
bsw@897: 
bsw@194: policy:save()