feature: Claim check pattern azure (#1897)
* Archietecture Diagram added * Added pom.xml * Architecture Diagram Updated * Added Microservices and kafka * ReadME File Added * ReadME file Updated * #1329 ReadMe file updated and working pattern code added * #1329 readme file updated * #1329 readme file updated and java documentation added * #1329 repository merged * Update claim-check-pattern/ReadME.md #1329 Real world description updated Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com> * #1329 Update claim-check-pattern/ReadME.md Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com> * #1329 Applicability section in ReadMe file updated Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com> * #1329 Tutorial section in ReadMe file updated Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com> * #1329 Storage Data section in ReadMe File updated Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com> * #1329 workflow section Update claim-check-pattern/ReadME.md Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com> * #1329 Update claim-check-pattern/pom.xml Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com> * #1329 deleted mvnw.cmd file * #1329 deleted drawio file * #1329 deleted mvnw file * #1329 deleted mvnw file * #1329 mvnw.cmd file deleted * #1329 Update claim-check-pattern/usage-cost-processor/src/main/java/com/callusage/domain/MessageHeader.java Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com> * #1329 Update claim-check-pattern/usage-cost-processor/src/main/java/com/callusage/domain/UsageCostDetail.java Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com> * #1329 Update claim-check-pattern/usage-cost-processor/src/main/java/com/callusage/domain/UsageDetail.java Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com> * #1329 deleted mvnw file * #1329 deleted mvnw.cmd file * #1329 Update claim-check-pattern/usage-detail-sender/src/main/java/com/callusage/domain/Message.java Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com> * #1329 Update claim-check-pattern/ReadME.md Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com> * #1329 pom file dependencies fixed, readmeflie updated, removed unused imports * #1329 Readfile updated, class javadoc added * #1329 UML class diagrams added, readme file updated * #1329 lombok annotations used on model classes, common dependencies moved to parent pom * #1329 test cases added * include claim-check-pattern in parent pom * #1329 code smells fixed * #1329 code smells removed * #1329 security issues fixed * #1329 updated pom files and refactored packages name * #1329 checkstyle warning fixed * #1329 code coverage increased * #1329 minor changed. * checkpoint created with common utility * Claim-Check-Pattern | Shrirang97 | Implemented using Java Azure Functions * Claim-Check-Pattern | Shrirang97 | Updated Functions logic * Update MessageHandlerUtility.java * Update UsageCostProcessorFunction.java * claim-check-pattern | Shrirang97 | Added test cases * claim-check-pattern | Shrirang97 | Test cases for Azure functions fixed * Claim-Check-Pattern | Shrirang | Used string as request body * claim-check-pattern | Shrirang | Working test cases * claim-check-pattern | Shrirang | Issue fixed while deserializing * claim-check-pattern | Shrirang | removed unused import * claim-check-pattern | Shrirang | fixed refactoring * claim-chek-pattern | Shrirang | added lombok | fixed dependencies & test cases * Delete .DS_Store * claim-check-pattern | Shrirang | Fixed unrelated file * Update BookService.java * Update BookService.java * claim-check-pattern | Shrirang | Fixed unrelated files * claim-check-pattern | Shrirang | Fixed review comments * Update UsageCostProcessorFunction.java * Update ReadME.md * Rename ReadME.md to README.md * claim-check-pattern | Shrirang | Incorporated review comments. * Update cloud-claim-check-pattern/README.md Co-authored-by: Ilkka Seppälä <iluwatar@users.noreply.github.com> * Update cloud-claim-check-pattern/README.md Co-authored-by: Ilkka Seppälä <iluwatar@users.noreply.github.com> * Update cloud-claim-check-pattern/README.md Co-authored-by: Ilkka Seppälä <iluwatar@users.noreply.github.com> * Update cloud-claim-check-pattern/README.md Co-authored-by: Ilkka Seppälä <iluwatar@users.noreply.github.com> * Update cloud-claim-check-pattern/README.md Co-authored-by: Ilkka Seppälä <iluwatar@users.noreply.github.com> * Update cloud-claim-check-pattern/README.md Co-authored-by: Ilkka Seppälä <iluwatar@users.noreply.github.com> * Update cloud-claim-check-pattern/README.md Co-authored-by: Ilkka Seppälä <iluwatar@users.noreply.github.com> * Updated readme file * Read me file updated | Added more description Co-authored-by: Subhrodip Mohanta <subhrodipmohanta@gmail.com> Co-authored-by: Subhrodip Mohanta <hello@subho.xyz> Co-authored-by: Ilkka Seppälä <iluwatar@users.noreply.github.com>
This commit is contained in:
Shrirang
GitHub
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/*
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* The MIT License
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* Copyright © 2014-2021 Ilkka Seppälä
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
|
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* of this software and associated documentation files (the "Software"), to deal
|
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* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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* copies of the Software, and to permit persons to whom the Software is
|
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* furnished to do so, subject to the following conditions:
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*
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||||
* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.iluwatar.claimcheckpattern.consumer.callcostprocessor.functions;
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import com.azure.core.util.BinaryData;
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import com.azure.core.util.serializer.TypeReference;
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import com.azure.messaging.eventgrid.EventGridEvent;
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import com.azure.messaging.eventgrid.systemevents.SubscriptionValidationEventData;
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import com.azure.messaging.eventgrid.systemevents.SubscriptionValidationResponse;
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import com.iluwatar.claimcheckpattern.domain.Message;
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import com.iluwatar.claimcheckpattern.domain.MessageBody;
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import com.iluwatar.claimcheckpattern.domain.MessageHeader;
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import com.iluwatar.claimcheckpattern.domain.MessageReference;
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import com.iluwatar.claimcheckpattern.domain.UsageCostDetail;
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import com.iluwatar.claimcheckpattern.domain.UsageDetail;
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import com.iluwatar.claimcheckpattern.utility.MessageHandlerUtility;
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import com.microsoft.azure.functions.ExecutionContext;
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import com.microsoft.azure.functions.HttpMethod;
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import com.microsoft.azure.functions.HttpRequestMessage;
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import com.microsoft.azure.functions.HttpResponseMessage;
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import com.microsoft.azure.functions.HttpStatus;
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import com.microsoft.azure.functions.annotation.AuthorizationLevel;
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import com.microsoft.azure.functions.annotation.FunctionName;
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import com.microsoft.azure.functions.annotation.HttpTrigger;
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import java.time.OffsetDateTime;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Optional;
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/**
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* Azure Functions with HTTP Trigger.
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* This is Consumer class.
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*/
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public class UsageCostProcessorFunction {
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private MessageHandlerUtility<UsageDetail> messageHandlerUtilityForUsageDetail;
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private MessageHandlerUtility<UsageCostDetail> messageHandlerUtilityForUsageCostDetail;
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public UsageCostProcessorFunction() {
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this.messageHandlerUtilityForUsageDetail = new MessageHandlerUtility<>();
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this.messageHandlerUtilityForUsageCostDetail = new MessageHandlerUtility<>();
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}
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public UsageCostProcessorFunction(
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MessageHandlerUtility<UsageDetail> messageHandlerUtilityForUsageDetail,
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MessageHandlerUtility<UsageCostDetail> messageHandlerUtilityForUsageCostDetail) {
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this.messageHandlerUtilityForUsageDetail = messageHandlerUtilityForUsageDetail;
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this.messageHandlerUtilityForUsageCostDetail = messageHandlerUtilityForUsageCostDetail;
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}
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/**
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* Azure function which gets triggered when event grid event send event to it.
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* After receiving event, it read input file from blob storage, calculate call cost details.
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* It creates new message with cost details and drop message to blob storage.
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* @param request represents HttpRequestMessage
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* @param context represents ExecutionContext
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* @return HttpResponseMessage
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*/
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@FunctionName("UsageCostProcessorFunction")
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public HttpResponseMessage run(@HttpTrigger(name = "req", methods = { HttpMethod.GET,
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HttpMethod.POST }, authLevel = AuthorizationLevel.ANONYMOUS)
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HttpRequestMessage<Optional<String>> request,
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final ExecutionContext context) {
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try {
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var eventGridEvents = EventGridEvent.fromString(request.getBody().get());
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for (var eventGridEvent : eventGridEvents) {
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// Handle system events
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if (eventGridEvent.getEventType()
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.equals("Microsoft.EventGrid.SubscriptionValidationEvent")) {
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SubscriptionValidationEventData subscriptionValidationEventData = eventGridEvent.getData()
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.toObject(SubscriptionValidationEventData.class);
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// Handle the subscription validation event
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var responseData = new SubscriptionValidationResponse();
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responseData.setValidationResponse(subscriptionValidationEventData.getValidationCode());
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return request.createResponseBuilder(HttpStatus.OK).body(responseData).build();
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} else if (eventGridEvent.getEventType().equals("UsageDetail")) {
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// Get message header and reference
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var messageReference = eventGridEvent.getData()
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.toObject(MessageReference.class);
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// Read message from persistent storage
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var message = this.messageHandlerUtilityForUsageDetail
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.readFromPersistantStorage(messageReference, context.getLogger());
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// Get Data and generate cost details
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List<UsageDetail> usageDetailsList = BinaryData.fromObject(
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message.getMessageBody().getData())
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.toObject(new TypeReference<>() {
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});
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var usageCostDetailsList = calculateUsageCostDetails(usageDetailsList);
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// Create message body
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var newMessageBody = new MessageBody<UsageCostDetail>();
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newMessageBody.setData(usageCostDetailsList);
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// Create message header
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var newMessageReference = new MessageReference("callusageapp",
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eventGridEvent.getId() + "/output.json");
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var newMessageHeader = new MessageHeader();
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newMessageHeader.setId(eventGridEvent.getId());
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newMessageHeader.setSubject("UsageCostProcessor");
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newMessageHeader.setTopic("");
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newMessageHeader.setEventType("UsageCostDetail");
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newMessageHeader.setEventTime(OffsetDateTime.now().toString());
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newMessageHeader.setData(newMessageReference);
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newMessageHeader.setDataVersion("v1.0");
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// Create entire message
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var newMessage = new Message<UsageCostDetail>();
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newMessage.setMessageHeader(newMessageHeader);
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newMessage.setMessageBody(newMessageBody);
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// Drop data to persistent storage
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this.messageHandlerUtilityForUsageCostDetail.dropToPersistantStorage(newMessage,
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context.getLogger());
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context.getLogger().info("Message is dropped successfully");
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return request.createResponseBuilder(HttpStatus.OK)
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.body("Message is dropped successfully").build();
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}
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}
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} catch (Exception e) {
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context.getLogger().warning(e.getMessage());
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}
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return request.createResponseBuilder(HttpStatus.INTERNAL_SERVER_ERROR).body(null).build();
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}
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private List<UsageCostDetail> calculateUsageCostDetails(List<UsageDetail> usageDetailsList) {
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if (usageDetailsList == null) {
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return null;
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}
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var usageCostDetailsList = new ArrayList<UsageCostDetail>();
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usageDetailsList.forEach(usageDetail -> {
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var usageCostDetail = new UsageCostDetail();
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usageCostDetail.setUserId(usageDetail.getUserId());
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usageCostDetail.setCallCost(usageDetail.getDuration() * 0.30); // 0.30₹ per minute
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usageCostDetail.setDataCost(usageDetail.getData() * 0.20); // 0.20₹ per MB
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usageCostDetailsList.add(usageCostDetail);
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});
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return usageCostDetailsList;
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}
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}
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@@ -0,0 +1,43 @@
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/*
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* The MIT License
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* Copyright © 2014-2021 Ilkka Seppälä
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
|
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
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*
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||||
* The above copyright notice and this permission notice shall be included in
|
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* all copies or substantial portions of the Software.
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||||
*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.iluwatar.claimcheckpattern.domain;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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/**
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* It is the message which gets dropped or read by Producer or Consumer Azure functions.
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* It is stored in the json format.
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* @param <T> represents UsageDetail or UsageCostDetail
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*/
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@Data
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@NoArgsConstructor
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@AllArgsConstructor
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public class Message<T> {
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private MessageHeader messageHeader;
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private MessageBody<T> messageBody;
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}
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@@ -0,0 +1,43 @@
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/*
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* The MIT License
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* Copyright © 2014-2021 Ilkka Seppälä
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||||
*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
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*
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||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
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||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.iluwatar.claimcheckpattern.domain;
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import java.util.List;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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/**
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* It is message body of the message.
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* It stores actual data in our case UsageCostDetail or UsageDetail.
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* @param <T> represents UsageDetail or UsageCostDetail
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*/
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@Data
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@NoArgsConstructor
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@AllArgsConstructor
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public class MessageBody<T> {
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private List<T> data;
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}
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@@ -0,0 +1,47 @@
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/*
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* The MIT License
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||||
* Copyright © 2014-2021 Ilkka Seppälä
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
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* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
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*
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||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
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||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
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* THE SOFTWARE.
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*/
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package com.iluwatar.claimcheckpattern.domain;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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/**
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* This is message header or event which is sent to Event Grid.
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* Its structure is same as Azure Event Grid Event Class.
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*/
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@Data
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@NoArgsConstructor
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@AllArgsConstructor
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public class MessageHeader {
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private String id;
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private String subject;
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private String topic;
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private String eventType;
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private String eventTime;
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private Object data;
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private String dataVersion;
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}
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@@ -0,0 +1,45 @@
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/*
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* The MIT License
|
||||
* Copyright © 2014-2021 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
|
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package com.iluwatar.claimcheckpattern.domain;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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/**
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* This is claim/message reference class.
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* It contains the information about data where it is stored in persistent storage
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* and file name.
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* dataLocation is blob storage container name.
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* dataFileName is file name in above container.
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*/
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@Data
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@NoArgsConstructor
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@AllArgsConstructor
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public class MessageReference {
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private String dataLocation;
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private String dataFileName;
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}
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@@ -0,0 +1,43 @@
|
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/*
|
||||
* The MIT License
|
||||
* Copyright © 2014-2021 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
|
||||
package com.iluwatar.claimcheckpattern.domain;
|
||||
|
||||
import lombok.AllArgsConstructor;
|
||||
import lombok.Data;
|
||||
import lombok.NoArgsConstructor;
|
||||
|
||||
/**
|
||||
* This is call cost details class.
|
||||
* It stores userId of the caller, call duration cost and data cost.
|
||||
*/
|
||||
@Data
|
||||
@NoArgsConstructor
|
||||
@AllArgsConstructor
|
||||
public class UsageCostDetail {
|
||||
|
||||
private String userId;
|
||||
private double callCost;
|
||||
private double dataCost;
|
||||
|
||||
}
|
||||
@@ -0,0 +1,44 @@
|
||||
/*
|
||||
* The MIT License
|
||||
* Copyright © 2014-2021 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
|
||||
package com.iluwatar.claimcheckpattern.domain;
|
||||
|
||||
import lombok.AllArgsConstructor;
|
||||
import lombok.Data;
|
||||
import lombok.NoArgsConstructor;
|
||||
|
||||
/**
|
||||
* This is call usage detail calls.
|
||||
* It stores userId of the caller, call duration and data used.
|
||||
*/
|
||||
@Data
|
||||
@NoArgsConstructor
|
||||
@AllArgsConstructor
|
||||
public class UsageDetail {
|
||||
|
||||
private String userId;
|
||||
|
||||
private int duration;
|
||||
|
||||
private int data;
|
||||
}
|
||||
@@ -0,0 +1,146 @@
|
||||
/*
|
||||
* The MIT License
|
||||
* Copyright © 2014-2021 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
|
||||
package com.iluwatar.claimcheckpattern.producer.calldetails.functions;
|
||||
|
||||
import com.azure.messaging.eventgrid.EventGridEvent;
|
||||
import com.azure.messaging.eventgrid.systemevents.SubscriptionValidationEventData;
|
||||
import com.azure.messaging.eventgrid.systemevents.SubscriptionValidationResponse;
|
||||
import com.iluwatar.claimcheckpattern.domain.Message;
|
||||
import com.iluwatar.claimcheckpattern.domain.MessageBody;
|
||||
import com.iluwatar.claimcheckpattern.domain.MessageHeader;
|
||||
import com.iluwatar.claimcheckpattern.domain.MessageReference;
|
||||
import com.iluwatar.claimcheckpattern.domain.UsageDetail;
|
||||
import com.iluwatar.claimcheckpattern.utility.EventHandlerUtility;
|
||||
import com.iluwatar.claimcheckpattern.utility.MessageHandlerUtility;
|
||||
import com.microsoft.azure.functions.ExecutionContext;
|
||||
import com.microsoft.azure.functions.HttpMethod;
|
||||
import com.microsoft.azure.functions.HttpRequestMessage;
|
||||
import com.microsoft.azure.functions.HttpResponseMessage;
|
||||
import com.microsoft.azure.functions.HttpStatus;
|
||||
import com.microsoft.azure.functions.annotation.AuthorizationLevel;
|
||||
import com.microsoft.azure.functions.annotation.FunctionName;
|
||||
import com.microsoft.azure.functions.annotation.HttpTrigger;
|
||||
import java.time.OffsetDateTime;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
import java.util.Optional;
|
||||
import java.util.Random;
|
||||
import java.util.UUID;
|
||||
|
||||
/**
|
||||
* Azure Functions with HTTP Trigger.
|
||||
* This is Producer class.
|
||||
*/
|
||||
public class UsageDetailPublisherFunction {
|
||||
|
||||
private MessageHandlerUtility<UsageDetail> messageHandlerUtility;
|
||||
private EventHandlerUtility<MessageHeader> eventHandlerUtility;
|
||||
|
||||
public UsageDetailPublisherFunction() {
|
||||
this.messageHandlerUtility = new MessageHandlerUtility<>();
|
||||
this.eventHandlerUtility = new EventHandlerUtility<>();
|
||||
}
|
||||
|
||||
public UsageDetailPublisherFunction(MessageHandlerUtility<UsageDetail> messageHandlerUtility,
|
||||
EventHandlerUtility<MessageHeader> eventHandlerUtility) {
|
||||
this.messageHandlerUtility = messageHandlerUtility;
|
||||
this.eventHandlerUtility = eventHandlerUtility;
|
||||
}
|
||||
|
||||
/**
|
||||
* Azure function which create message, drop it in persistent storage
|
||||
* and publish the event to Event Grid topic.
|
||||
* @param request represents HttpRequestMessage
|
||||
* @param context represents ExecutionContext
|
||||
* @return HttpResponseMessage
|
||||
*/
|
||||
@FunctionName("UsageDetailPublisherFunction")
|
||||
public HttpResponseMessage run(@HttpTrigger(name = "req", methods = {
|
||||
HttpMethod.POST }, authLevel = AuthorizationLevel.ANONYMOUS)
|
||||
HttpRequestMessage<Optional<String>> request,
|
||||
final ExecutionContext context) {
|
||||
try {
|
||||
|
||||
var eventGridEvents = EventGridEvent.fromString(request.getBody().get());
|
||||
|
||||
for (EventGridEvent eventGridEvent : eventGridEvents) {
|
||||
// Handle system events
|
||||
if (eventGridEvent.getEventType()
|
||||
.equals("Microsoft.EventGrid.SubscriptionValidationEvent")) {
|
||||
SubscriptionValidationEventData subscriptionValidationEventData = eventGridEvent.getData()
|
||||
.toObject(SubscriptionValidationEventData.class);
|
||||
// Handle the subscription validation event
|
||||
var responseData = new SubscriptionValidationResponse();
|
||||
responseData.setValidationResponse(subscriptionValidationEventData.getValidationCode());
|
||||
return request.createResponseBuilder(HttpStatus.OK).body(responseData).build();
|
||||
|
||||
} else if (eventGridEvent.getEventType().equals("UsageDetail")) {
|
||||
// Create message body
|
||||
var messageBody = new MessageBody<UsageDetail>();
|
||||
var usageDetailsList = new ArrayList<UsageDetail>();
|
||||
var random = new Random();
|
||||
for (int i = 0; i < 51; i++) {
|
||||
var usageDetail = new UsageDetail();
|
||||
usageDetail.setUserId("userId" + i);
|
||||
usageDetail.setData(random.nextInt(500));
|
||||
usageDetail.setDuration(random.nextInt(500));
|
||||
|
||||
usageDetailsList.add(usageDetail);
|
||||
}
|
||||
messageBody.setData(usageDetailsList);
|
||||
|
||||
// Create message header
|
||||
var messageHeader = new MessageHeader();
|
||||
messageHeader.setId(UUID.randomUUID().toString());
|
||||
messageHeader.setSubject("UsageDetailPublisher");
|
||||
messageHeader.setTopic("usagecostprocessorfunction-topic");
|
||||
messageHeader.setEventType("UsageDetail");
|
||||
messageHeader.setEventTime(OffsetDateTime.now().toString());
|
||||
var messageReference = new MessageReference("callusageapp",
|
||||
messageHeader.getId() + "/input.json");
|
||||
messageHeader.setData(messageReference);
|
||||
messageHeader.setDataVersion("v1.0");
|
||||
|
||||
// Create entire message
|
||||
var message = new Message<UsageDetail>();
|
||||
message.setMessageHeader(messageHeader);
|
||||
message.setMessageBody(messageBody);
|
||||
|
||||
// Drop data to persistent storage
|
||||
this.messageHandlerUtility.dropToPersistantStorage(message, context.getLogger());
|
||||
|
||||
// Publish event to event grid topic
|
||||
eventHandlerUtility.publishEvent(messageHeader, context.getLogger());
|
||||
|
||||
context.getLogger().info("Message is dropped and event is published successfully");
|
||||
return request.createResponseBuilder(HttpStatus.OK).body(message).build();
|
||||
}
|
||||
}
|
||||
} catch (Exception e) {
|
||||
context.getLogger().warning(e.getMessage());
|
||||
}
|
||||
|
||||
return request.createResponseBuilder(HttpStatus.OK).body(null).build();
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,66 @@
|
||||
/*
|
||||
* The MIT License
|
||||
* Copyright © 2014-2021 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
|
||||
package com.iluwatar.claimcheckpattern.utility;
|
||||
|
||||
import com.azure.core.credential.AzureKeyCredential;
|
||||
import com.azure.core.util.BinaryData;
|
||||
import com.azure.messaging.eventgrid.EventGridPublisherClient;
|
||||
import com.azure.messaging.eventgrid.EventGridPublisherClientBuilder;
|
||||
import java.util.logging.Logger;
|
||||
|
||||
/**
|
||||
* This class is event publisher utility which published message header to Event Grid topic.
|
||||
* @param <T> represents UsageDetail or UsageCostDetail
|
||||
*/
|
||||
public class EventHandlerUtility<T> {
|
||||
|
||||
private EventGridPublisherClient<BinaryData> customEventClient;
|
||||
|
||||
/** Default constructor.
|
||||
*/
|
||||
public EventHandlerUtility() {
|
||||
this.customEventClient = new EventGridPublisherClientBuilder()
|
||||
.endpoint(System.getenv("EventGridURL"))
|
||||
.credential(new AzureKeyCredential(System.getenv("EventGridKey")))
|
||||
.buildCustomEventPublisherClient();
|
||||
}
|
||||
|
||||
/**
|
||||
Parameterized constructor.
|
||||
*/
|
||||
public EventHandlerUtility(EventGridPublisherClient<BinaryData> customEventClient) {
|
||||
this.customEventClient = customEventClient;
|
||||
}
|
||||
|
||||
/**
|
||||
Method for publishing event to Event Grid Topic.
|
||||
*/
|
||||
public void publishEvent(T customEvent, Logger logger) {
|
||||
try {
|
||||
customEventClient.sendEvent(BinaryData.fromObject(customEvent));
|
||||
} catch (Exception e) {
|
||||
logger.info(e.getMessage());
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,127 @@
|
||||
/*
|
||||
* The MIT License
|
||||
* Copyright © 2014-2021 Ilkka Seppälä
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
|
||||
package com.iluwatar.claimcheckpattern.utility;
|
||||
|
||||
import com.azure.core.util.BinaryData;
|
||||
import com.azure.core.util.serializer.TypeReference;
|
||||
import com.azure.storage.blob.BlobClient;
|
||||
import com.azure.storage.blob.BlobContainerClient;
|
||||
import com.azure.storage.blob.BlobServiceClient;
|
||||
import com.azure.storage.blob.BlobServiceClientBuilder;
|
||||
import com.iluwatar.claimcheckpattern.domain.Message;
|
||||
import com.iluwatar.claimcheckpattern.domain.MessageReference;
|
||||
import java.util.logging.Logger;
|
||||
|
||||
/**
|
||||
* This class read and drop message from Azure blob storage.
|
||||
* @param <T> represents UsageDetail or UsageCostDetail
|
||||
*/
|
||||
public class MessageHandlerUtility<T> {
|
||||
|
||||
private BlobServiceClient blobServiceClient;
|
||||
|
||||
/**
|
||||
* Parameterized constructor.
|
||||
* @param blobServiceClient represents BlobServiceClient
|
||||
*/
|
||||
public MessageHandlerUtility(BlobServiceClient blobServiceClient) {
|
||||
this.blobServiceClient = blobServiceClient;
|
||||
}
|
||||
|
||||
/**
|
||||
* Default constructor.
|
||||
*/
|
||||
public MessageHandlerUtility() {
|
||||
// Create a BlobServiceClient object which will be used to create a container
|
||||
// client
|
||||
this.blobServiceClient = new BlobServiceClientBuilder()
|
||||
.connectionString(System.getenv("BlobStorageConnectionString")).buildClient();
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Read message from blob storage.
|
||||
* @param messageReference represents MessageReference
|
||||
* @param logger represents Logger
|
||||
* @return Message
|
||||
*/
|
||||
public Message<T> readFromPersistantStorage(MessageReference messageReference, Logger logger) {
|
||||
Message<T> message = null;
|
||||
try {
|
||||
|
||||
// Get container name from message reference
|
||||
String containerName = messageReference.getDataLocation();
|
||||
|
||||
// Get blob name from message reference
|
||||
String blobName = messageReference.getDataFileName();
|
||||
|
||||
// Get container client
|
||||
BlobContainerClient containerClient = blobServiceClient.getBlobContainerClient(containerName);
|
||||
|
||||
// Get a reference to a blob
|
||||
BlobClient blobClient = containerClient.getBlobClient(blobName);
|
||||
|
||||
// download the blob
|
||||
message = blobClient.downloadContent().toObject(new TypeReference<Message<T>>() {
|
||||
});
|
||||
} catch (Exception e) {
|
||||
logger.info(e.getMessage());
|
||||
}
|
||||
return message;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Drop message to blob storage.
|
||||
* @param message represents Message
|
||||
* @param logger represents Logger
|
||||
*/
|
||||
public void dropToPersistantStorage(Message<T> message, Logger logger) {
|
||||
try {
|
||||
|
||||
// Get message reference
|
||||
MessageReference messageReference = (MessageReference) message.getMessageHeader().getData();
|
||||
|
||||
// Create a unique name for the container
|
||||
String containerName = messageReference.getDataLocation();
|
||||
|
||||
// Create the container and return a container client object
|
||||
BlobContainerClient containerClient = this.blobServiceClient
|
||||
.getBlobContainerClient(containerName);
|
||||
if (!containerClient.exists()) {
|
||||
containerClient.create();
|
||||
}
|
||||
|
||||
// Get a reference to a blob
|
||||
BlobClient blobClient = containerClient.getBlobClient(messageReference.getDataFileName());
|
||||
|
||||
// Upload the blob
|
||||
blobClient.upload(BinaryData.fromObject(message));
|
||||
} catch (Exception e) {
|
||||
logger.info(e.getMessage());
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user