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mongodb statistics

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This commit is contained in:
Lennart Heinrich
2025-11-14 01:19:23 +01:00
parent 60987fcd87
commit f61d0e15fd
5 changed files with 196 additions and 2 deletions
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6
pom.xml
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@@ -35,7 +35,7 @@
<dependency>
<groupId>de.infinimotion</groupId>
<artifactId>model-persistence</artifactId>
<version>0.0.89</version>
<version>0.0.101</version>
</dependency>
<!-- Quarkus -->
@@ -60,6 +60,10 @@
<artifactId>lombok</artifactId>
<version>1.18.32</version>
</dependency>
<dependency>
<groupId>io.quarkus</groupId>
<artifactId>quarkus-mongodb-panache</artifactId>
</dependency>
<!-- Test -->
<dependency>

6
src/main/java/de/infinimotion/persistence/CommandObserver.java
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@@ -1,9 +1,11 @@
package de.infinimotion.persistence;
import de.infinimotion.model.persistence.*;
import de.infinimotion.persistence.processor.CommandResponseInterceptor;
import de.infinimotion.persistence.transaction.InitiateRollbackException;
import de.infinimotion.persistence.transaction.Transaction;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.inject.Inject;
import org.eclipse.microprofile.reactive.messaging.Channel;
import org.eclipse.microprofile.reactive.messaging.Emitter;
import org.eclipse.microprofile.reactive.messaging.Incoming;
@@ -12,6 +14,9 @@ import org.eclipse.microprofile.reactive.messaging.Incoming;
@ApplicationScoped
public class CommandObserver {
@Inject
CommandResponseInterceptor interceptor;
@Channel("command-replies")
Emitter<CommandWrapper> replyEmitter;
@@ -22,6 +27,7 @@ public class CommandObserver {
tx.queue(() -> {
try {
CommandWrapper response = request.process().serialize().copyIds(request);
interceptor.intercept(response);
if (request.isCommit()) {
tx.commit(replyEmitter, response);
} else {

20
src/main/java/de/infinimotion/persistence/processor/CommandListStatisticsProcessor.java Normal file
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@@ -0,0 +1,20 @@
package de.infinimotion.persistence.processor;
import de.infinimotion.model.persistence.*;
import io.quarkus.arc.Unremovable;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.transaction.Transactional;
@Unremovable
@ApplicationScoped
public class CommandListStatisticsProcessor implements de.infinimotion.model.persistence.CommandListStatisticsProcessor {
@Transactional(Transactional.TxType.NOT_SUPPORTED)
@Override
public CommandListStatisticsResponse processCommandListStatistics(CommandListStatistics commandListStatistics) {
CommandListStatisticsResponse resp = new CommandListStatisticsResponse();
resp.setMovies(StatisticsFilm.findAll().list());
resp.setShows(StatisticsVorstellung.findAll().list());
return resp;
}
}

160
src/main/java/de/infinimotion/persistence/processor/CommandResponseInterceptor.java Normal file
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@@ -0,0 +1,160 @@
package de.infinimotion.persistence.processor;
import de.infinimotion.model.persistence.*;
import io.vertx.core.Vertx;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.inject.Inject;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.atomic.AtomicBoolean;
/**
* Diese Klasse ist nicht besonders schön.
* Das liegt daran, dass die Verwendung von MongoDB nicht leicht in das bestehende Transaktionskonzept mit Postgres integriert werden kann.
* Die zusätzlichen Einschränkungen durch die Code-Generierung (sehr allgemeine Templates) würden eine schöne Lösung sehr kompliziert machen.
*/
@ApplicationScoped
public class CommandResponseInterceptor {
@Inject
Vertx vertx;
public static final AtomicBoolean LOCK = new AtomicBoolean(true);
public void intercept(CommandWrapper response) {
vertx.executeBlocking(() -> {
synchronized (LOCK) {
if (response.getType().equals(CommandCreateEintrittskarteResponse.class.getSimpleName())) {
Eintrittskarte ticket = CommandCreateEintrittskarteResponse.deserialize(response).getEintrittskarte();
interceptCreate(ticket);
} else if (response.getType().equals(CommandUpdateBestellungResponse.class.getSimpleName())) {
Bestellung order = CommandUpdateBestellungResponse.deserialize(response).getBestellung();
interceptUpdate(order);
}
return null;
}
});
}
public void interceptCreate(Eintrittskarte ticket) {
int price = ticket.getSeat().getRow().getCategory().getPrice();
int showId = ticket.getShow().getId();
int movieId = ticket.getShow().getMovie().getId();
boolean active = checkOrderActive(ticket.getOrder());
Optional<StatisticsVorstellung> show = StatisticsVorstellung.find("show._id", showId).firstResultOptional();
Optional<StatisticsFilm> movie = StatisticsFilm.find("movie._id", movieId).firstResultOptional();
if (show.isEmpty()) {
StatisticsVorstellung newShow = new StatisticsVorstellung();
newShow.setShow(ticket.getShow());
newShow.setTickets(List.of(ticket));
if (active) {
newShow.setEarnings(price);
}
newShow.persist();
} else {
StatisticsVorstellung existingShow = show.orElseThrow();
existingShow.getTickets().add(ticket);
if (active) {
existingShow.setEarnings(existingShow.getEarnings() + price);
}
existingShow.update();
}
if (movie.isEmpty()) {
StatisticsFilm newMovie = new StatisticsFilm();
newMovie.setMovie(ticket.getShow().getMovie());
newMovie.setTickets(List.of(ticket));
if (active) {
newMovie.setEarnings(price);
}
newMovie.persist();
} else {
StatisticsFilm existingMovie = movie.orElseThrow();
existingMovie.getTickets().add(ticket);
if (active) {
existingMovie.setEarnings(existingMovie.getEarnings() + price);
}
existingMovie.update();
}
}
// public void interceptUpdate(Eintrittskarte ticket) {
// int price = ticket.getSeat().getRow().getCategory().getPrice();
// int showId = ticket.getShow().getId();
// int movieId = ticket.getShow().getMovie().getId();
//
// StatisticsVorstellung show = StatisticsVorstellung.find("show._id", showId).firstResult();
// StatisticsFilm movie = StatisticsFilm.find("movie._id", movieId).firstResult();
//
// Optional<Eintrittskarte> existingTicketShow = show.getTickets().stream().filter(t -> Objects.equals(t.getId(), ticket.getId())).findAny();
// int existingPriceShow = existingTicketShow
// .map(Eintrittskarte::getSeat)
// .map(Sitzplatz::getRow)
// .map(Sitzreihe::getCategory)
// .map(Sitzkategorie::getPrice)
// .orElse(0);
// show.getTickets().remove(existingTicketShow.orElse(null));
// show.getTickets().add(ticket);
// show.setEarnings(show.getEarnings() - existingPriceShow + price);
// show.update();
//
// Optional<Eintrittskarte> existingTicketMovie = show.getTickets().stream().filter(t -> Objects.equals(t.getId(), ticket.getId())).findAny();
// int existingPriceMovie = existingTicketMovie
// .map(Eintrittskarte::getSeat)
// .map(Sitzplatz::getRow)
// .map(Sitzreihe::getCategory)
// .map(Sitzkategorie::getPrice)
// .orElse(0);
// movie.getTickets().remove(existingTicketMovie.orElse(null));
// movie.getTickets().add(ticket);
// movie.setEarnings(movie.getEarnings() - existingPriceMovie + price);
// movie.update();
// }
public void interceptUpdate(Bestellung order) {
boolean orderActive = checkOrderActive(order);
Optional<StatisticsVorstellung> showOpt = StatisticsVorstellung.find("tickets.order._id", order.getId()).firstResultOptional();
if (showOpt.isPresent()) {
StatisticsVorstellung show = showOpt.orElseThrow();
show.getTickets().stream()
.filter(t -> t.getOrder().getId().equals(order.getId()))
.forEach(ticket -> {
boolean ticketActive = checkOrderActive(ticket.getOrder());
if (ticketActive && !orderActive) {
show.setEarnings(show.getEarnings() - ticket.getSeat().getRow().getCategory().getPrice());
} else if (!ticketActive && orderActive) {
show.setEarnings(show.getEarnings() + ticket.getSeat().getRow().getCategory().getPrice());
}
ticket.setOrder(order);
});
show.update();
}
Optional<StatisticsFilm> movieOpt = StatisticsFilm.find("tickets.order._id", order.getId()).firstResultOptional();
if (movieOpt.isPresent()) {
StatisticsFilm movie = movieOpt.orElseThrow();
movie.getTickets().stream()
.filter(t -> t.getOrder().getId().equals(order.getId()))
.forEach(ticket -> {
boolean ticketActive = checkOrderActive(ticket.getOrder());
if (ticketActive && !orderActive) {
movie.setEarnings(movie.getEarnings() - ticket.getSeat().getRow().getCategory().getPrice());
} else if (!ticketActive && orderActive) {
movie.setEarnings(movie.getEarnings() + ticket.getSeat().getRow().getCategory().getPrice());
}
ticket.setOrder(order);
});
movie.update();
}
}
private boolean checkOrderActive(Bestellung order) {
return order.getCancelled() == null && order.getBooked() != null;
}
}

6
src/main/resources/application.properties
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@@ -18,4 +18,8 @@ quarkus.datasource.db-kind=postgresql
quarkus.datasource.username=postgres
quarkus.datasource.password=a552855c0d842e90895121cf614c31f950086cab
%dev.quarkus.datasource.jdbc.url=jdbc:postgresql://localhost:5432/postgres
quarkus.datasource.jdbc.url=jdbc:postgresql://postgres:5432/postgres
quarkus.datasource.jdbc.url=jdbc:postgresql://postgres:5432/postgres
quarkus.mongodb.connection-string = mongodb://root:a552855c0d842e90895121cf614c31f950086cab@mongo:27017
%dev.quarkus.mongodb.connection-string = mongodb://root:a552855c0d842e90895121cf614c31f950086cab@localhost:27017
quarkus.mongodb.database = statistics