TrialResultsViewController.m

- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];

    [self setFilteredData:[[[[self trialData] linq_where:^BOOL(id trial)
    {
        return [[self selectedYears] containsObject:[trial objectForKey:@"Year"]];
    }] linq_where:^BOOL(id trial)
    {
        NSString *source = [trial objectForKey:@"Source"];

        return ([[self selectedSources] containsObject:SOURCE_ANY]
                || ([[self selectedSources] containsObject:SOURCE_SPZO] && [source isEqualToString:@"SPZO"])
                || ([[self selectedSources] containsObject:SOURCE_UNIVERSITY] && [source isEqualToString:@"University Trials"])
                || ([[self selectedSources] containsObject:SOURCE_TD] && [source isEqualToString:@"TD Trials"]));
    }] linq_where:^BOOL(id trial)
    {
        NSString *company = [trial objectForKey:@"Company"];

        return ([[self selectedCompanies] containsObject:COMPANY_ANY]
                || ([[self selectedCompanies] containsObject:COMPANY_DEKALB] && [company isEqualToString:@"Dekalb"])
                || ([[self selectedCompanies] containsObject:COMPANY_COMPETITION] && ![company isEqualToString:@"Dekalb"]));
    }]];
}