MK13/push-service
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Stuff all over the place

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MK13
2020-07-23 23:47:12 +02:00
parent f59ece1fc0
commit 3ad259651c
14 changed files with 353 additions and 2 deletions
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21
push-service-client-lib/src/main/java/de/pushservice/client/PushServiceClientApplication.java Normal file
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package de.pushservice.client;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
/**
* Not used but required by the spring boot maven plugin during repackage
*/
@SpringBootApplication
public class PushServiceClientApplication extends SpringBootServletInitializer {
public static void main(String[] args) {
SpringApplication.run(PushServiceClientApplication.class);
}
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
return application.sources(PushServiceClientApplication.class);
}
}

18
push-service-client-lib/src/main/java/de/pushservice/client/config/PushServiceClientConfig.java Normal file
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package de.pushservice.client.config;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Configuration;
@Configuration
@ConfigurationProperties(prefix = "push-service-client")
public class PushServiceClientConfig {
private String serverUrl;
public String getServerUrl() {
return serverUrl;
}
public void setServerUrl(String serverUrl) {
this.serverUrl = serverUrl;
}
}

29
push-service-client-lib/src/main/java/de/pushservice/client/controller/SubscriptionController.java Normal file
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package de.pushservice.client.controller;
import de.pushservice.client.ResponseReason;
import de.pushservice.client.dto.SubscriptionDto;
import de.pushservice.client.service.SubscriptionService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
@Controller
public class SubscriptionController {
private static final Logger LOGGER = LoggerFactory.getLogger(SubscriptionController.class);
@Autowired
private SubscriptionService subscriptionService;
@PostMapping("/subscription/subscribe")
public ResponseEntity subscribe(@RequestBody SubscriptionDto subscriptionDto) {
LOGGER.debug(String.format("Received subscription for endpoint %s", subscriptionDto.getEndpoint()));
this.subscriptionService.subscribe(subscriptionDto);
return ResponseReason.OK.toResponseEntity();
}
}

6
push-service-client-lib/src/main/java/de/pushservice/client/dto/MessageDto.java
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@@ -7,6 +7,12 @@ public class MessageDto {
private String topic;
private Urgency urgency;
public MessageDto(String payload, String topic, Urgency urgency) {
this.payload = payload;
this.topic = topic;
this.urgency = urgency;
}
public String getPayload() {
return payload;
}

5
push-service-client-lib/src/main/java/de/pushservice/client/dto/NotificationRequestDto.java
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@@ -4,6 +4,11 @@ public class NotificationRequestDto {
private SubscriptionDto subscriptionDto;
private MessageDto messageDto;
public NotificationRequestDto(SubscriptionDto subscriptionDto, MessageDto messageDto) {
this.subscriptionDto = subscriptionDto;
this.messageDto = messageDto;
}
public SubscriptionDto getSubscriptionDto() {
return subscriptionDto;
}

63
push-service-client-lib/src/main/java/de/pushservice/client/dto/PayloadDto.java Normal file
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package de.pushservice.client.dto;
/**
* <p>
* Payload for a notification. Gets sent to the third party push service which forwards it to the user agent.
* </p>
* <p>
* Evaluated after receival in the <code>push-service-client-service-worker.js</code> service worker.
* </p>
*
* @see <a href="https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration/showNotification">MDN spec for notification payload</a>
*/
public class PayloadDto {
private String title;
private String message;
private String icon;
private int[] vibration;
private long timestamp;
public PayloadDto(String title) {
this.title = title;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public String getIcon() {
return icon;
}
public void setIcon(String icon) {
this.icon = icon;
}
public int[] getVibration() {
return vibration;
}
public void setVibration(int[] vibration) {
this.vibration = vibration;
}
public long getTimestamp() {
return timestamp;
}
public void setTimestamp(long timestamp) {
this.timestamp = timestamp;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}

66
push-service-client-lib/src/main/java/de/pushservice/client/service/SubscriptionService.java Normal file
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package de.pushservice.client.service;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import de.pushservice.client.ResponseReason;
import de.pushservice.client.config.PushServiceClientConfig;
import de.pushservice.client.dto.MessageDto;
import de.pushservice.client.dto.NotificationRequestDto;
import de.pushservice.client.dto.PayloadDto;
import de.pushservice.client.dto.SubscriptionDto;
import de.pushservice.client.model.Urgency;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;
import java.util.*;
@Service
public class SubscriptionService {
private static final Logger LOGGER = LoggerFactory.getLogger(SubscriptionService.class);
@Autowired
private PushServiceClientConfig config;
@Autowired
private ObjectMapper objectMapper;
private Set<SubscriptionDto> subscriptions = new HashSet<>();
public void subscribe(SubscriptionDto subscriptionDto) {
this.subscriptions.add(subscriptionDto);
}
public int notifyAll(PayloadDto payload, String topic, Urgency urgency) throws JsonProcessingException {
int notificationsSend = 0;
final Urgency tmpUrgency = Optional.ofNullable(urgency).orElse(Urgency.NORMAL);
final MessageDto messageDto = new MessageDto(objectMapper.writeValueAsString(payload), topic, tmpUrgency);
for (SubscriptionDto subscription : this.subscriptions) {
final NotificationRequestDto requestDto = new NotificationRequestDto(subscription, messageDto);
LOGGER.debug(String.format("Sending notification for endpoint %s", subscription.getEndpoint()));
final ResponseEntity<String> responseEntity = new RestTemplate()
.exchange(this.config.getServerUrl(), HttpMethod.POST, new HttpEntity<>(requestDto), String.class);
final ResponseReason responseReason = ResponseReason.fromResponseEntity(responseEntity);
if (ResponseReason.OK == responseReason) {
notificationsSend++;
}
else {
// Well, nothing we can do about it
LOGGER.error("Sending notification to endpoint failed! %s", responseReason);
}
}
return notificationsSend;
}
}