102 lines
7.6 KiB
Java
102 lines
7.6 KiB
Java
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package com.baiyue.lastleg.appointmentplanning;
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import org.springframework.stereotype.Service;
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import java.time.LocalDateTime;
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import java.util.*;
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import java.util.stream.Collectors;
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/** Shared read projection. Callers authorize the customer/source before invoking; never confirms bookings. */
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@Service
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public class AppointmentCoverageService {
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public record SourceRef(String customerId, String sourceKey, String destinationKey) { }
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public record Appointment(String appointmentNo, String confirmationNo, String status,
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LocalDateTime confirmedAt, LocalDateTime confirmedEndAt, String timezone) { }
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public record Coverage(String customerId, String sourceKey, String destinationKey, String status,
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List<Appointment> appointments, List<String> missingFields,
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String sourceVersion, boolean changeReviewRequired) { }
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private final AppointmentCoverageMapper mapper;
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private final AppointmentExternalSourceGateway external;
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public AppointmentCoverageService(AppointmentCoverageMapper mapper, AppointmentExternalSourceGateway external) {
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this.mapper=mapper; this.external=external;
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}
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public List<Coverage> query(List<SourceRef> input) {
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if (input==null || input.isEmpty()) return List.of();
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if (input.size()>100 || input.stream().anyMatch(s -> s==null || blank(s.customerId()) || blank(s.sourceKey()) || blank(s.destinationKey()))) {
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throw new IllegalArgumentException("每次最多核对100个完整的预约来源");
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}
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var requested=input.stream().distinct().toList();
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var externalRefs=requested.stream().filter(s -> s.sourceKey().startsWith("BOOKING:"))
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.map(s -> new AppointmentExternalSourceGateway.SourceRef(s.customerId(),s.sourceKey().substring(8))).toList();
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var bookings=externalRefs.isEmpty() ? List.<AppointmentExternalSourceGateway.Source>of() : external.resolve(externalRefs);
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var bookingMap=bookings.stream().collect(Collectors.toMap(s -> key(s.customerId(),"BOOKING:"+s.bookingNo()),s -> s));
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var refs=new LinkedHashMap<SourceRef,AppointmentCoverageMapper.OrderRef>();
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for (var source:requested) {
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if (source.sourceKey().startsWith("ORDER:")) {
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try {
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long id=Long.parseLong(source.sourceKey().substring(6));
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if (id>0) refs.put(source,new AppointmentCoverageMapper.OrderRef(source.customerId(),id));
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} catch (NumberFormatException ignored) { /* Invalid source is returned explicitly below. */ }
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} else if (source.sourceKey().startsWith("BOOKING:")) {
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var booking=bookingMap.get(key(source.customerId(),source.sourceKey()));
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if (booking!=null && booking.orderId()!=null && Objects.equals(source.destinationKey(),booking.destinationKey())) {
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refs.put(source,new AppointmentCoverageMapper.OrderRef(source.customerId(),booking.orderId()));
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}
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}
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}
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var unique=refs.values().stream().distinct().toList();
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if (unique.size()!=refs.size()) throw new IllegalArgumentException("同一货物存在重复来源，请保留原外接登记来源后再核对");
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var orders=unique.isEmpty() ? List.<AppointmentCoverageMapper.Source>of() : mapper.sources(unique);
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var orderMap=orders.stream().collect(Collectors.toMap(s -> new AppointmentCoverageMapper.OrderRef(s.customerId(),s.orderId()),s -> s));
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var facts=unique.isEmpty() ? List.<AppointmentCoverageMapper.Fact>of() : mapper.appointments(unique);
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var byOrder=facts.stream().collect(Collectors.groupingBy(f -> new AppointmentCoverageMapper.OrderRef(f.customerId(),f.orderId())));
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var output=new ArrayList<Coverage>();
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for (var source:requested) {
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var booking=bookingMap.get(key(source.customerId(),source.sourceKey()));
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if (booking!=null && !source.destinationKey().equals(booking.destinationKey())) {
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output.add(empty(source,"DESTINATION_MISMATCH","DESTINATION",version(booking.recordVersion()),true)); continue;
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}
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if (booking!=null && !Set.of("CONFIRMED","RECEIVED","BOUND").contains(booking.bookingStatus()==null ? "" : booking.bookingStatus())) {
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output.add(empty(source,"SOURCE_NOT_READY","CARRIER_CONFIRMATION",version(booking.recordVersion()),false)); continue;
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}
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var order=orderMap.get(refs.get(source));
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if (order==null) {
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output.add(empty(source,booking==null ? "SOURCE_NOT_FOUND" : "SOURCE_NOT_MATERIALIZED","REAL_CARGO_MATERIALS",booking==null ? null : version(booking.recordVersion()),false)); continue;
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}
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if (!"FBA".equals(order.destinationType()) || !source.destinationKey().equals("FBA:"+order.fbaWarehouseCode())) {
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output.add(empty(source,"DESTINATION_MISMATCH","DESTINATION",version(order.version()),true)); continue;
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}
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var relevant=byOrder.getOrDefault(refs.get(source),List.of());
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var distinct=new LinkedHashMap<String,Appointment>();
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var seen=new HashSet<Long>(); long confirmed=0, covered=0; boolean invalid=false, changed=false;
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for (var fact:relevant) {
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if (!Objects.equals(order.fbaWarehouseCode(),fact.warehouseCode()) || fact.packages()==null || fact.packages()<=0 || !seen.add(fact.lineId())) { invalid=true; continue; }
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covered+=fact.packages();
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if ("SUCCESS".equals(fact.status()) && fact.appointmentAt()!=null) confirmed+=fact.packages();
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boolean success="SUCCESS".equals(fact.status());
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distinct.putIfAbsent(fact.appointmentNo(),new Appointment(fact.appointmentNo(),success ? fact.appointmentNo() : null,fact.status(),success ? fact.appointmentAt() : null,success ? fact.appointmentEndAt() : null,null));
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changed|=order.updatedAt()==null || fact.updatedAt()==null || order.updatedAt().isAfter(fact.updatedAt());
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}
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var missing=new ArrayList<String>();
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String status;
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if (invalid || order.packages()==null || order.packages()<=0 || covered>order.packages()) { status="REVIEW_REQUIRED"; missing.add("CARGO_QUANTITY_REVIEW"); }
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else if (covered==0) { status="UNASSIGNED"; missing.add("RECEIVING_APPOINTMENT"); }
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else if (covered<order.packages()) { status="PARTIAL"; missing.add("UNCOVERED_CARGO"); }
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else if (confirmed<order.packages()) { status="PENDING"; missing.add("RECEIVING_CONFIRMATION"); }
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else { status="CONFIRMED"; }
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if (confirmed>0) missing.add("APPOINTMENT_TIMEZONE_UNVERIFIED");
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if (order.shipmentReferencesMissing()) missing.add("FBA_SHIPMENT_REFERENCES");
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if (changed) missing.add("SOURCE_CHANGED_REVIEW");
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output.add(new Coverage(source.customerId(),source.sourceKey(),source.destinationKey(),status,List.copyOf(distinct.values()),List.copyOf(missing),
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(booking==null ? "" : "BOOKING:"+version(booking.recordVersion())+"/")+"ORDER:"+version(order.version()),changed || invalid));
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}
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return List.copyOf(output);
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}
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private static Coverage empty(SourceRef s,String status,String missing,String version,boolean review) {
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return new Coverage(s.customerId(),s.sourceKey(),s.destinationKey(),status,List.of(),List.of(missing),version,review);
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}
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private static String key(String customerId,String sourceKey) { return customerId+"\n"+sourceKey; }
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private static String version(Number version) { return version==null ? null : version.toString(); }
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private static boolean blank(String value) { return value==null || value.isBlank(); }
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}
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