Implement the reorder cronjob

This commit is contained in:
Lukas Fürderer 2020-05-25 17:08:15 +02:00
parent 6892a11688
commit 8386629088
Signed by: Lukas
GPG Key ID: B0AFA46F94103349
15 changed files with 540 additions and 78 deletions

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@ -1,29 +0,0 @@
package org.hso.ecommerce.action.cronjob;
import java.util.Calendar;
public interface ICronjob {
/**
* Calculate the earliest cronjob execution time that happens after the given reference time.
*
* @param reference Position in time to start searching. The implementor is allowed to modify the reference time.
* @return A new Calendar instance (or the same) containing the time for next execution.
*/
Calendar nextExecution(Calendar reference);
/**
* Calculate the latest cronjob execution time that happens before or exactly at the given refernce time.
*
* @param reference Position in time to start searching. The implementor is allowed to modify the reference time.
* @return A new Calendar instance (or the same) containing the time of the last execution.
*/
Calendar previousExecution(Calendar reference);
/**
* Execute this cronjob.
*
* @param time The point in time this execution was scheduled. In case of a missed cronjob, the actual time of this
* call might be much later.
*/
void executeAt(Calendar time);
}

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@ -0,0 +1,83 @@
package org.hso.ecommerce.action.cronjob;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Objects;
import org.hso.ecommerce.api.SupplierService;
import org.hso.ecommerce.api.data.Article;
import org.hso.ecommerce.api.data.Supplier;
public class ReadSupplierDataAction {
private List<org.hso.ecommerce.entities.supplier.Supplier> suppliers;
public static class ArticleIdentifier {
public final String manufacturer;
public final String articleNumber;
public ArticleIdentifier(String manufacturer, String articleNumber) {
this.manufacturer = manufacturer;
this.articleNumber = articleNumber;
}
@Override
public int hashCode() {
return Objects.hash(manufacturer, articleNumber);
}
@Override
public boolean equals(Object other) {
if (!(other instanceof ArticleIdentifier)) {
return false;
}
ArticleIdentifier otherId = (ArticleIdentifier) other;
return this.manufacturer.equals(otherId.manufacturer) && this.articleNumber.equals(otherId.articleNumber);
}
}
public ReadSupplierDataAction(List<org.hso.ecommerce.entities.supplier.Supplier> suppliers) {
this.suppliers = suppliers;
}
public static class Offer {
public final org.hso.ecommerce.entities.supplier.Supplier dbSupplier;
public final Supplier apiSupplier;
public Offer(org.hso.ecommerce.entities.supplier.Supplier dbSupplier, Supplier apiSupplier) {
this.dbSupplier = dbSupplier;
this.apiSupplier = apiSupplier;
}
}
public static class Result {
public final ArrayList<Supplier> supplierData;
public final HashMap<ArticleIdentifier, Offer> cheapestOffer;
public Result(ArrayList<Supplier> supplierData, HashMap<ArticleIdentifier, Offer> cheapestOffer) {
this.supplierData = supplierData;
this.cheapestOffer = cheapestOffer;
}
}
public Result finish() {
ArrayList<Supplier> suppliers = new ArrayList<>();
HashMap<ArticleIdentifier, Integer> price = new HashMap<>();
HashMap<ArticleIdentifier, Offer> cheapest = new HashMap<>();
for (org.hso.ecommerce.entities.supplier.Supplier supplier : this.suppliers) {
SupplierService service = new SupplierService(supplier.apiUrl);
Supplier apiSupplier = service.getSupplier();
suppliers.add(apiSupplier);
for (Article article : apiSupplier.articles) {
ArticleIdentifier identifier = new ArticleIdentifier(article.manufacturer, article.articleNumber);
Integer previousPrice = price.get(identifier);
if (previousPrice == null || article.pricePerUnitNet < previousPrice) {
price.put(identifier, article.pricePerUnitNet);
cheapest.put(identifier, new Offer(supplier, apiSupplier));
}
}
}
return new Result(suppliers, cheapest);
}
}

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@ -1,38 +0,0 @@
package org.hso.ecommerce.action.cronjob;
import java.util.Calendar;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Reorder implements ICronjob {
private static final Logger log = LoggerFactory.getLogger(Reorder.class);
@Override
public Calendar nextExecution(Calendar reference) {
if (reference.get(Calendar.HOUR_OF_DAY) >= 8) {
reference.add(Calendar.DAY_OF_MONTH, 1);
}
reference.set(Calendar.HOUR_OF_DAY, 8);
reference.set(Calendar.MINUTE, 0);
reference.set(Calendar.SECOND, 0);
reference.set(Calendar.MILLISECOND, 0);
return reference;
}
@Override
public Calendar previousExecution(Calendar reference) {
if (reference.get(Calendar.HOUR_OF_DAY) < 8) {
reference.add(Calendar.DAY_OF_MONTH, -1);
}
reference.set(Calendar.HOUR_OF_DAY, 8);
reference.set(Calendar.MINUTE, 0);
reference.set(Calendar.SECOND, 0);
reference.set(Calendar.MILLISECOND, 0);
return reference;
}
@Override
public void executeAt(Calendar time) {
log.info("Executing Reorder Cronjob");
}
}

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@ -0,0 +1,119 @@
package org.hso.ecommerce.action.cronjob;
import java.sql.Timestamp;
import java.util.HashMap;
import java.util.List;
import org.hso.ecommerce.action.cronjob.ReadSupplierDataAction.ArticleIdentifier;
import org.hso.ecommerce.action.cronjob.ReadSupplierDataAction.Offer;
import org.hso.ecommerce.api.SupplierService;
import org.hso.ecommerce.api.data.Order;
import org.hso.ecommerce.api.data.OrderConfirmation;
import org.hso.ecommerce.entities.shop.Article;
import org.hso.ecommerce.entities.supplier.ArticleOffer;
import org.hso.ecommerce.entities.supplier.SupplierOrder;
import org.hso.ecommerce.entities.warehouse.WarehouseBookingPositionSlotEntry;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ReorderAction {
private static final Logger log = LoggerFactory.getLogger(ReorderAction.class);
private Article article;
private Integer[] orderedAmounts;
private Integer undeliveredReorders;
private List<WarehouseBookingPositionSlotEntry> inStock;
private HashMap<ArticleIdentifier, Offer> cheapestOffer;
private HashMap<ArticleIdentifier, ArticleOffer> articleOffers;
public ReorderAction(
Article article, Integer[] orderedAmounts,
Integer undeliveredReorders,
List<WarehouseBookingPositionSlotEntry> inStock,
HashMap<ArticleIdentifier, Offer> cheapestOffer,
HashMap<ArticleIdentifier, ArticleOffer> articleOffers
) {
this.article = article;
this.orderedAmounts = orderedAmounts;
this.undeliveredReorders = undeliveredReorders;
this.inStock = inStock;
this.cheapestOffer = cheapestOffer;
this.articleOffers = articleOffers;
}
private int null_to_zero(Integer input) {
return input == null ? 0 : input;
}
private int getAmountInStock() {
int sum = 0;
for (WarehouseBookingPositionSlotEntry entry : inStock) {
sum += entry.newSumSlot;
}
return sum;
}
private int calculateAmountToReorder() {
// Algorithm as described in the documentation
int a = null_to_zero(orderedAmounts[0]);
int b = null_to_zero(orderedAmounts[1]);
int c = null_to_zero(orderedAmounts[2]);
int x = Math.max(Math.max(a, b), c);
int y = Math.min(Math.min(a, b), c);
int n = 6 * x - 2 * y;
if (n < 3) {
n = 3;
}
int i = null_to_zero(undeliveredReorders);
int l = getAmountInStock();
int o = n - i - l;
return o;
}
public SupplierOrder finish() {
if (!article.shouldReorder) {
return null;
}
int amount = calculateAmountToReorder();
if (amount <= 0) {
return null;
}
ArticleIdentifier identifier = new ArticleIdentifier(article.related.manufacturer, article.related.articleNumber);
Offer offer = cheapestOffer.get(identifier);
if (offer == null) {
log.info("Could not order \"" + article.title + "\" because there is no supplier delivering it.");
return null;
}
ArticleOffer articleOffer = articleOffers.get(identifier);
org.hso.ecommerce.api.data.Article apiArticle = offer.apiSupplier.findArticle(identifier.manufacturer,
identifier.articleNumber);
if (apiArticle.pricePerUnitNet > article.reorderMaxPrice) {
log.info("Could not order \"" + article.title + "\" because it is currently too expensive.");
return null;
}
Order order = new Order();
order.manufacturer = articleOffer.manufacturer;
order.articleNumber = articleOffer.articleNumber;
order.quantity = amount;
order.maxTotalPriceCentNet = apiArticle.pricePerUnitNet * amount;
OrderConfirmation confirm = new SupplierService(offer.dbSupplier.apiUrl).order(order);
SupplierOrder createdOrder = new SupplierOrder();
createdOrder.created = new Timestamp(System.currentTimeMillis());
createdOrder.supplier = offer.dbSupplier;
createdOrder.ordered = articleOffer;
createdOrder.numberOfUnits = confirm.quantity;
createdOrder.pricePerUnitNetCent = confirm.pricePerUnitNetCent;
createdOrder.totalPriceNet = confirm.totalPriceNetCharged;
return createdOrder;
}
}

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@ -0,0 +1,49 @@
package org.hso.ecommerce.action.cronjob;
import java.util.HashMap;
import java.util.List;
import java.util.Map.Entry;
import org.hso.ecommerce.action.cronjob.ReadSupplierDataAction.ArticleIdentifier;
import org.hso.ecommerce.action.cronjob.ReadSupplierDataAction.Offer;
import org.hso.ecommerce.api.data.Article;
import org.hso.ecommerce.entities.supplier.ArticleOffer;
public class UpdateOffersAction {
private List<ArticleOffer> offers;
private HashMap<ArticleIdentifier, Offer> cheapestOffer;
public UpdateOffersAction(List<ArticleOffer> offers, HashMap<ArticleIdentifier, Offer> cheapestOffer) {
this.offers = offers;
this.cheapestOffer = cheapestOffer;
}
private HashMap<ArticleIdentifier, ArticleOffer> mapOffers() {
HashMap<ArticleIdentifier, ArticleOffer> map = new HashMap<>();
for (ArticleOffer offer : offers) {
ArticleIdentifier identifier = new ArticleIdentifier(offer.manufacturer, offer.articleNumber);
map.put(identifier, offer);
}
return map;
}
public List<ArticleOffer> finish() {
HashMap<ArticleIdentifier, ArticleOffer> availableOffers = mapOffers();
for (Entry<ArticleIdentifier, Offer> cheapestOffer : cheapestOffer.entrySet()) {
String manufacturer = cheapestOffer.getKey().manufacturer;
String articleNumber = cheapestOffer.getKey().articleNumber;
ArticleOffer currentOffer = availableOffers.get(cheapestOffer.getKey());
if (currentOffer == null) {
currentOffer = new ArticleOffer();
currentOffer.manufacturer = manufacturer;
currentOffer.articleNumber = articleNumber;
offers.add(currentOffer);
}
Article currentOfferedArticle = cheapestOffer.getValue().apiSupplier.findArticle(manufacturer,
articleNumber);
currentOffer.vatPercent = currentOfferedArticle.vatPercent;
currentOffer.shouldBeAdvertised = currentOfferedArticle.shouldBeAdvertised;
}
return offers;
}
}

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@ -8,4 +8,14 @@ public class Supplier {
public String name;
public SupplierDiscount discount;
public List<Article> articles;
public Article findArticle(String manufacturer, String articleNumber) {
for (Article a : articles) {
if (a.manufacturer.equals(manufacturer) && a.articleNumber.equals(articleNumber)) {
return a;
}
}
return null;
}
}

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@ -5,18 +5,206 @@ import java.util.Calendar;
import java.util.Collections;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import javax.annotation.PostConstruct;
import org.hso.ecommerce.action.cronjob.ICronjob;
import org.hso.ecommerce.action.cronjob.Reorder;
import org.hso.ecommerce.action.booking.CreateBookingAction;
import org.hso.ecommerce.action.cronjob.ReadSupplierDataAction;
import org.hso.ecommerce.action.cronjob.ReadSupplierDataAction.ArticleIdentifier;
import org.hso.ecommerce.action.cronjob.ReorderAction;
import org.hso.ecommerce.action.cronjob.UpdateOffersAction;
import org.hso.ecommerce.entities.booking.Booking;
import org.hso.ecommerce.entities.booking.BookingAccountEntry;
import org.hso.ecommerce.entities.booking.BookingReason;
import org.hso.ecommerce.entities.cron.BackgroundJob;
import org.hso.ecommerce.entities.shop.Article;
import org.hso.ecommerce.entities.supplier.ArticleOffer;
import org.hso.ecommerce.entities.supplier.Supplier;
import org.hso.ecommerce.entities.supplier.SupplierOrder;
import org.hso.ecommerce.entities.warehouse.WarehouseBookingPositionSlotEntry;
import org.hso.ecommerce.repos.booking.BookingAccountEntryRepository;
import org.hso.ecommerce.repos.booking.BookingRepository;
import org.hso.ecommerce.repos.cronjob.BackgroundJobRepository;
import org.hso.ecommerce.repos.shop.ArticleRepository;
import org.hso.ecommerce.repos.shop.CustomerOderRepository;
import org.hso.ecommerce.repos.supplier.ArticleOfferRepository;
import org.hso.ecommerce.repos.supplier.SupplierOrderRepository;
import org.hso.ecommerce.repos.supplier.SupplierRepository;
import org.hso.ecommerce.repos.warehouse.WarehouseBookingPositionSlotEntryRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
interface ICronjob {
/**
* Calculate the earliest cronjob execution time that happens after the given reference time.
*
* @param reference Position in time to start searching. The implementor is allowed to modify the reference time.
* @return A new Calendar instance (or the same) containing the time for next execution.
*/
Calendar nextExecution(Calendar reference);
/**
* Calculate the latest cronjob execution time that happens before or exactly at the given refernce time.
*
* @param reference Position in time to start searching. The implementor is allowed to modify the reference time.
* @return A new Calendar instance (or the same) containing the time of the last execution.
*/
Calendar previousExecution(Calendar reference);
/**
* Execute this cronjob.
*
* @param time The point in time this execution was scheduled. In case of a missed cronjob, the actual time of
* this call might be much later.
* @param controller Back-reference that allows to use repositories.
*/
void executeAt(Calendar time, CronjobController controller);
}
@Component
class Reorder implements ICronjob {
private static final Logger log = LoggerFactory.getLogger(Reorder.class);
@Override
public Calendar nextExecution(Calendar reference) {
if (reference.get(Calendar.HOUR_OF_DAY) >= 8) {
reference.add(Calendar.DAY_OF_MONTH, 1);
}
reference.set(Calendar.HOUR_OF_DAY, 8);
reference.set(Calendar.MINUTE, 0);
reference.set(Calendar.SECOND, 0);
reference.set(Calendar.MILLISECOND, 0);
return reference;
}
@Override
public Calendar previousExecution(Calendar reference) {
if (reference.get(Calendar.HOUR_OF_DAY) < 8) {
reference.add(Calendar.DAY_OF_MONTH, -1);
}
reference.set(Calendar.HOUR_OF_DAY, 8);
reference.set(Calendar.MINUTE, 0);
reference.set(Calendar.SECOND, 0);
reference.set(Calendar.MILLISECOND, 0);
return reference;
}
/**
* Calculates the amount of ordered articles by customers for the given article type in the time between begin and
* end.
*
* @param article The article to search orders for.
* @param begin The start time for the search (included)
* @param end The end time for the search (excluded)
* @return The number of articles that were ordered by customers in the given range.
*/
private Integer getOrderedAmounts(Article article, Calendar begin, Calendar end, CronjobController controller) {
return controller.customerOrderRepository.countOrdersOfArticleInTimespan(
article.id,
new Timestamp(begin.getTimeInMillis()), new Timestamp(end.getTimeInMillis()));
}
/**
* Calculates the amount of ordered articles by customers for the given article type in the three days before the
* given reference time. The return-array contains 3 fields: Index 0: Orders 72 to 48 hours ago; Index 1: Orders 48
* to 24 hours ago; Index 2: Orders 24 to 0 hours ago.
*
* @param article The article for which the customer orders are checked.
* @param time The reference time to use for calculation of the last orders.
* @return A 3-element array containing the orders of the last three days.
*/
private Integer[] getOrderedAmounts(Article article, Calendar time, CronjobController controller) {
Calendar oneDayBefore = (Calendar) time.clone();
oneDayBefore.add(Calendar.DAY_OF_MONTH, -1);
Calendar twoDaysBefore = (Calendar) time.clone();
twoDaysBefore.add(Calendar.DAY_OF_MONTH, -2);
Calendar threeDaysBefore = (Calendar) time.clone();
threeDaysBefore.add(Calendar.DAY_OF_MONTH, -3);
return new Integer[] { //
getOrderedAmounts(article, threeDaysBefore, twoDaysBefore, controller), //
getOrderedAmounts(article, twoDaysBefore, oneDayBefore, controller), //
getOrderedAmounts(article, oneDayBefore, time, controller), //
};
}
private HashMap<ArticleIdentifier, ArticleOffer> mapArticleOffers(List<ArticleOffer> articleOffers) {
HashMap<ArticleIdentifier, ArticleOffer> map = new HashMap<>();
for (ArticleOffer articleOffer : articleOffers) {
ArticleIdentifier identifier = new ArticleIdentifier(articleOffer.manufacturer, articleOffer.articleNumber);
map.put(identifier, articleOffer);
}
return map;
}
@Override
public void executeAt(Calendar time, CronjobController controller) {
List<Supplier> suppliers = controller.supplierRepository.findAll();
ReadSupplierDataAction.Result supplierData = new ReadSupplierDataAction(suppliers).finish();
// Save the new offers in the database
List<ArticleOffer> allOffers = controller.articleOfferRepository.findAll();
allOffers = new UpdateOffersAction(allOffers, supplierData.cheapestOffer).finish();
controller.articleOfferRepository.saveAll(allOffers);
HashMap<ArticleIdentifier, ArticleOffer> mappedOffers = mapArticleOffers(allOffers);
// Reorder
List<Article> allArticles = controller.articleRepository.findAll();
for (Article article : allArticles) {
Integer[] orderedAmounts = getOrderedAmounts(article, time, controller);
Integer undeliveredReorders = controller.supplierOrderRepository
.countUndeliveredReorders(article.related.articleNumber);
List<WarehouseBookingPositionSlotEntry> inStock = controller.warehouseBookingPositionSlotEntryRepository
.getByArticle(article.id);
ReorderAction action = new ReorderAction(article, orderedAmounts,
undeliveredReorders,
inStock,
supplierData.cheapestOffer, mappedOffers);
SupplierOrder order = action.finish();
if (order != null) {
controller.supplierOrderRepository.save(order);
// Create bookings for this order
int netPrice = order.totalPriceNet;
int vatPercent = order.ordered.vatPercent;
int vatAmount = netPrice * vatPercent / 100;
int grossPrice = netPrice + vatAmount;
// Obligation towards the supplier
BookingAccountEntry mainAccount = controller.bookingAccountEntryRepository.getByMain()
.orElseGet(BookingAccountEntry::newMain);
BookingAccountEntry supplierAccount = controller.bookingAccountEntryRepository
.getBySupplier(order.supplier.id)
.orElseGet(() -> BookingAccountEntry.newSupplier(order.supplier));
BookingReason obligationReason = new BookingReason(order);
Booking obligationBooking = new CreateBookingAction(mainAccount,
supplierAccount,
obligationReason,
grossPrice).finish();
controller.bookingRepository.save(obligationBooking);
// Input Tax
BookingAccountEntry vatAccount = controller.bookingAccountEntryRepository.getByVat()
.orElseGet(BookingAccountEntry::newVat);
mainAccount = controller.bookingAccountEntryRepository.getByMain().get();
BookingReason inputTaxReason = new BookingReason(order);
Booking inputTaxBooking = new CreateBookingAction(vatAccount, mainAccount, inputTaxReason, vatAmount)
.finish();
controller.bookingRepository.save(inputTaxBooking);
}
}
}
}
class ScheduledCronjob {
public final Calendar executionTime;
public final ICronjob cronjob;
@ -38,6 +226,30 @@ class CronjobController {
@Autowired
private final BackgroundJobRepository cronjobRepository = null;
@Autowired
final ArticleRepository articleRepository = null;
@Autowired
final ArticleOfferRepository articleOfferRepository = null;
@Autowired
final CustomerOderRepository customerOrderRepository = null;
@Autowired
final BookingRepository bookingRepository = null;
@Autowired
final BookingAccountEntryRepository bookingAccountEntryRepository = null;
@Autowired
final WarehouseBookingPositionSlotEntryRepository warehouseBookingPositionSlotEntryRepository = null;
@Autowired
final SupplierRepository supplierRepository = null;
@Autowired
final SupplierOrderRepository supplierOrderRepository = null;
private static Map<String, ICronjob> getCronjobs() {
HashMap<String, ICronjob> map = new HashMap<>();
@ -49,7 +261,7 @@ class CronjobController {
private ScheduledCronjob getNextCronjob() {
Calendar currentTime = new GregorianCalendar();
Iterable<BackgroundJob> jobs = cronjobRepository.getAllJobs();
Iterable<BackgroundJob> jobs = cronjobRepository.findAll();
HashMap<String, BackgroundJob> alreadyExecuted = new HashMap<>();
for (BackgroundJob job : jobs) {
alreadyExecuted.put(job.jobName, job);
@ -100,7 +312,12 @@ class CronjobController {
Thread.sleep(waitingTime);
}
nextJob.cronjob.executeAt(nextJob.executionTime);
try {
nextJob.cronjob.executeAt(nextJob.executionTime, this);
} catch (Throwable t) {
log.error("Failed to execute cronjob " + nextJob.cronjob.getClass() + ":");
t.printStackTrace();
}
nextJob.model.lastExecution = new Timestamp(nextJob.executionTime.getTimeInMillis());
cronjobRepository.save(nextJob.model);

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@ -16,10 +16,10 @@ public class BookingAccountEntry {
public int newSumCent;
@ManyToOne(optional = true, cascade = CascadeType.ALL)
@ManyToOne(optional = true, cascade = CascadeType.MERGE)
public User userAccount;
@ManyToOne(optional = true, cascade = CascadeType.ALL)
@ManyToOne(optional = true, cascade = CascadeType.MERGE)
public Supplier supplierAccount;
public boolean isMainAccount;
@ -46,6 +46,14 @@ public class BookingAccountEntry {
return e;
}
public static BookingAccountEntry newSupplier(Supplier supplier) {
BookingAccountEntry e = new BookingAccountEntry();
e.supplierAccount = supplier;
e.newSumCent = 0;
return e;
}
public static BookingAccountEntry newMain() {
BookingAccountEntry e = new BookingAccountEntry();
e.isMainAccount = true;

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@ -39,4 +39,8 @@ public class BookingReason {
public BookingReason(CustomerPayment customerPayment) {
this.customerPayment = customerPayment;
}
public BookingReason(SupplierOrder supplierOrder) {
this.supplierOrder = supplierOrder;
}
}

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@ -1,18 +1,21 @@
package org.hso.ecommerce.repos.booking;
import java.util.Optional;
import org.hso.ecommerce.entities.booking.BookingAccountEntry;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.stereotype.Repository;
import java.util.Optional;
@Repository
public interface BookingAccountEntryRepository extends JpaRepository<BookingAccountEntry, Long> {
@Query(value = "SELECT * FROM booking_account_entries as e WHERE e.user_account_id = :user ORDER BY e.id DESC LIMIT 1", nativeQuery = true)
Optional<BookingAccountEntry> getByUser(Long user);
@Query(value = "SELECT * FROM booking_account_entries as e WHERE e.supplier_account_id = :supplier ORDER BY e.id DESC LIMIT 1", nativeQuery = true)
Optional<BookingAccountEntry> getBySupplier(Long supplier);
@Query(value = "SELECT * FROM booking_account_entries as e WHERE e.is_main_account = 1 ORDER BY e.id DESC LIMIT 1", nativeQuery = true)
Optional<BookingAccountEntry> getByMain();

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@ -2,11 +2,9 @@ package org.hso.ecommerce.repos.cronjob;
import org.hso.ecommerce.entities.cron.BackgroundJob;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.stereotype.Repository;
@Repository
public interface BackgroundJobRepository extends JpaRepository<BackgroundJob, Long> {
@Query(value = "SELECT * FROM background_jobs", nativeQuery = true)
Iterable<BackgroundJob> getAllJobs();
}

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@ -2,10 +2,16 @@ package org.hso.ecommerce.repos.shop;
import org.hso.ecommerce.entities.shop.CustomerOrder;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.stereotype.Repository;
@Repository
public interface CustomerOderRepository extends JpaRepository<CustomerOrder, Long> {
@Query("SELECT SUM(cop.quantity) FROM CustomerOrderPosition cop JOIN cop.order co WHERE cop.article.id = :articleId AND co.created >= :begin AND co.created < :end")
Integer countOrdersOfArticleInTimespan(
long articleId, java.sql.Timestamp begin, java.sql.Timestamp end
);
}

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@ -0,0 +1,8 @@
package org.hso.ecommerce.repos.supplier;
import org.hso.ecommerce.entities.supplier.ArticleOffer;
import org.springframework.data.jpa.repository.JpaRepository;
public interface ArticleOfferRepository extends JpaRepository<ArticleOffer, Long> {
}

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@ -0,0 +1,14 @@
package org.hso.ecommerce.repos.supplier;
import org.hso.ecommerce.entities.supplier.SupplierOrder;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.stereotype.Repository;
@Repository
public interface SupplierOrderRepository extends JpaRepository<SupplierOrder, Long> {
@Query("SELECT SUM(so.numberOfUnits) FROM SupplierOrder so JOIN so.ordered ao WHERE ao.articleNumber = :articleNumber AND so.delivered IS NULL")
Integer countUndeliveredReorders(String articleNumber);
}

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@ -0,0 +1,10 @@
package org.hso.ecommerce.repos.supplier;
import org.hso.ecommerce.entities.supplier.Supplier;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
@Repository
public interface SupplierRepository extends JpaRepository<Supplier, Long> {
}