@RequestMapping("/events/{eventName}/sponsor-scan/export.csv")
public void downloadSponsorScanExport(
@PathVariable("eventName") String eventName,
HttpServletResponse response,
Principal principal)
throws IOException {
Event event = loadEvent(eventName, principal);
List<TicketFieldConfiguration> fields =
ticketFieldRepository.findAdditionalFieldsForEvent(event.getId());
response.setContentType("text/csv;charset=UTF-8");
response.setHeader(
"Content-Disposition", "attachment; filename=" + eventName + "-sponsor-scan.csv");
try (ServletOutputStream out = response.getOutputStream();
CSVWriter writer = new CSVWriter(new OutputStreamWriter(out))) {
for (int marker : BOM_MARKERS) {
out.write(marker);
}
List<String> header = new ArrayList<>();
header.add("Username");
header.add("Timestamp");
header.add("Full name");
header.add("Email");
header.addAll(
fields.stream().map(TicketFieldConfiguration::getName).collect(Collectors.toList()));
writer.writeNext(header.toArray(new String[header.size()]));
userManager
.findAllUsers(principal.getName())
.stream()
.map(u -> Pair.of(u, userManager.getUserRole(u)))
.filter(p -> p.getRight() == Role.SPONSOR)
.flatMap(
p ->
sponsorScanRepository
.loadSponsorData(
event.getId(),
p.getKey().getId(),
SponsorScanRepository.DEFAULT_TIMESTAMP)
.stream()
.map(
v ->
Pair.of(
v,
ticketFieldRepository.findAllValuesForTicketId(
v.getTicket().getId()))))
.map(
p -> {
DetailedScanData data = p.getLeft();
Map<String, String> descriptions = p.getRight();
return Pair.of(
data,
fields
.stream()
.map(x -> descriptions.getOrDefault(x.getName(), ""))
.collect(Collectors.toList()));
})
.map(
p -> {
List<String> line = new ArrayList<>();
Ticket ticket = p.getLeft().getTicket();
SponsorScan sponsorScan = p.getLeft().getSponsorScan();
line.add(userManager.findUser(sponsorScan.getUserId()).getUsername());
line.add(sponsorScan.getTimestamp().toString());
line.add(ticket.getFullName());
line.add(ticket.getEmail());
line.addAll(p.getRight());
return line.toArray(new String[line.size()]);
})
.forEachOrdered(writer::writeNext);
writer.flush();
out.flush();
}
}
