private async Task <Result <List <InAgencyPermissions> > > SetInAgencyPermissions(int agentId,
InAgencyPermissions permissions, AgentContext agent)
{
return(await Result.Success()
.Bind(GetRelation)
.Ensure(IsPermissionManagementRightNotLost, "Cannot revoke last permission management rights")
.Map(UpdatePermissions));
async Task <Result <AgentAgencyRelation> > GetRelation()
{
var relation = await _context.AgentAgencyRelations
.SingleOrDefaultAsync(r => r.AgentId == agentId && r.AgencyId == agent.AgencyId);
return(relation is null
? Result.Failure <AgentAgencyRelation>(
$"Could not find relation between the agent {agentId} and the agency {agent.AgencyId}")
: Result.Success(relation));
}
async Task <bool> IsPermissionManagementRightNotLost(AgentAgencyRelation relation)
{
if (permissions.HasFlag(InAgencyPermissions.PermissionManagement))
{
return(true);
}
return((await _context.AgentAgencyRelations
.Where(r => r.AgencyId == relation.AgencyId && r.AgentId != relation.AgentId)
.ToListAsync())
.Any(c => c.InAgencyPermissions.HasFlag(InAgencyPermissions.PermissionManagement)));
}
async Task <List <InAgencyPermissions> > UpdatePermissions(AgentAgencyRelation relation)
{
relation.InAgencyPermissions = permissions;
_context.AgentAgencyRelations.Update(relation);
await _context.SaveChangesAsync();
return(relation.InAgencyPermissions.ToList());
}
}
public static List <InAgencyPermissions> ToList(this InAgencyPermissions permissions)
{
return(InAgencyPermissionValues
.Where(v => permissions.HasFlag(v))
.ToList());
}
