Create mock Airtel APIs.

The response codes in the `application.yml` file have been added from the Airtel documentation.

Similarly, the responses returned by the API are based on the Airtel documentation.

build.gradle

@@ -41,7 +41,7 @@ dependencies {
     annotationProcessor 'org.projectlombok:lombok'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
-    implementation 'org.mifos:ph-ee-connector-common:1.9.1-SNAPSHOT'
+    implementation 'org.mifos:ph-ee-connector-common:1.10.0-SNAPSHOT'
     implementation 'org.json:json:20210307'
     checkstyle 'com.puppycrawl.tools:checkstyle:10.9.3'
     checkstyle 'com.github.sevntu-checkstyle:sevntu-checks:1.44.1'

src/main/java/org/mifos/connector/airtel/mockairtel/api/definition/AirtelMockApi.java

@@ -0,0 +1,36 @@
+package org.mifos.connector.airtel.mockairtel.api.definition;
+
+import org.mifos.connector.airtel.mockairtel.api.implementation.AirtelMockService;
+import org.mifos.connector.common.mobilemoney.airtel.dto.AirtelEnquiryResponseDTO;
+import org.mifos.connector.common.mobilemoney.airtel.dto.AirtelPaymentRequestDTO;
+import org.mifos.connector.common.mobilemoney.airtel.dto.AirtelPaymentResponseDTO;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class AirtelMockApi {
+
+    @Autowired
+    private AirtelMockService airtelMockService;
+
+    protected Logger logger = LoggerFactory.getLogger(this.getClass());
+
+    @GetMapping(value = "/standard/v1/payments/{transactionId}", produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<AirtelEnquiryResponseDTO> airtelTransactionEnquiry(@PathVariable String transactionId) {
+        return airtelMockService.getTransactionStatus(transactionId);
+    }
+
+    @PostMapping("/merchant/v2/payments/")
+    public ResponseEntity<AirtelPaymentResponseDTO> getAuthorization(@RequestBody AirtelPaymentRequestDTO airtelPaymentRequestDTO) {
+        return airtelMockService.initiateTransaction(airtelPaymentRequestDTO);
+    }
+
+}

src/main/java/org/mifos/connector/airtel/mockairtel/api/implementation/AirtelMockService.java

@@ -0,0 +1,154 @@
+package org.mifos.connector.airtel.mockairtel.api.implementation;
+
+import java.util.UUID;
+import org.mifos.connector.airtel.mockairtel.utils.TransactionStatus;
+import org.mifos.connector.airtel.mockairtel.utils.TransferStatus;
+import org.mifos.connector.common.mobilemoney.airtel.dto.AirtelEnquiryResponseDTO;
+import org.mifos.connector.common.mobilemoney.airtel.dto.AirtelEnquiryResponseDataDTO;
+import org.mifos.connector.common.mobilemoney.airtel.dto.AirtelEnquiryResponseDataTransactionDTO;
+import org.mifos.connector.common.mobilemoney.airtel.dto.AirtelPaymentRequestDTO;
+import org.mifos.connector.common.mobilemoney.airtel.dto.AirtelPaymentResponseDTO;
+import org.mifos.connector.common.mobilemoney.airtel.dto.AirtelPaymentResponseDataDTO;
+import org.mifos.connector.common.mobilemoney.airtel.dto.AirtelPaymentResponseDataTransactionDTO;
+import org.mifos.connector.common.mobilemoney.airtel.dto.AirtelResponseStatusDTO;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+
+@Service
+public class AirtelMockService {
+
+    @Value("${mock-airtel.MSISDN_SUCCESSFUL}")
+    private String msisdnSuccessful;
+
+    @Value("${mock-airtel.MSISDN_FAILED}")
+    private String msisdnFailed;
+
+    @Value("${mock-airtel.TRANSACTION_ID_SUCCESSFUL}")
+    private String transactionIdSuccessful;
+
+    @Value("${mock-airtel.TRANSACTION_ID_FAILED}")
+    private String transactionIdFailed;
+
+    @Value("${mock-airtel.SUCCESS_RESPONSE_CODE}")
+    private String successResponseCode;
+
+    @Value("${mock-airtel.FAILED_RESPONSE_CODE}")
+    private String failedResponseCode;
+
+    @Value("${mock-airtel.PENDING_RESPONSE_CODE}")
+    private String pendingResponseCode;
+
+    @Value("${mock-airtel.RESULT_CODE}")
+    private String resultCode;
+
+    public ResponseEntity<AirtelEnquiryResponseDTO> getTransactionStatus(String transactionId) {
+        String airtelMoneyId = UUID.randomUUID().toString().replace("-", "");
+        String message;
+        String status;
+        String code;
+        String responseCode;
+        boolean success;
+        HttpStatus httpStatus;
+
+        if (transactionId.equals(transactionIdSuccessful)) {
+            message = TransferStatus.SUCCESSFUL.name();
+            status = TransactionStatus.TS.name();
+            code = HttpStatus.OK.toString();
+            responseCode = successResponseCode;
+            success = true;
+            httpStatus = HttpStatus.OK;
+        }
+
+        else if (transactionId.equals(transactionIdFailed)) {
+            message = TransferStatus.FAILED.name();
+            status = TransactionStatus.TF.name();
+            code = HttpStatus.BAD_REQUEST.toString();
+            responseCode = failedResponseCode;
+            success = false;
+            httpStatus = HttpStatus.BAD_REQUEST;
+        }
+
+        else {
+            message = TransferStatus.IN_PROGRESS.name();
+            status = TransactionStatus.TP.name();
+            code = HttpStatus.ACCEPTED.toString();
+            responseCode = pendingResponseCode;
+            success = true;
+            httpStatus = HttpStatus.ACCEPTED;
+        }
+
+        return airtelEnquiryResponse(airtelMoneyId, transactionId, message, status, code, responseCode, success, httpStatus);
+    }
+
+    public ResponseEntity<AirtelPaymentResponseDTO> initiateTransaction(AirtelPaymentRequestDTO airtelPaymentRequestDTO) {
+        String message;
+        String status;
+        String code;
+        String responseCode;
+        boolean success;
+        HttpStatus httpStatus;
+
+        String msisdn = airtelPaymentRequestDTO.getSubscriber().getMsisdn();
+        if (msisdn.equals(msisdnSuccessful)) {
+            message = TransferStatus.SUCCESSFUL.name();
+            status = TransferStatus.SUCCESSFUL.name();
+            code = HttpStatus.OK.toString();
+            responseCode = successResponseCode;
+            success = true;
+            httpStatus = HttpStatus.OK;
+        }
+
+        else if (msisdn.equals(msisdnFailed)) {
+            message = TransferStatus.FAILED.name();
+            status = TransferStatus.FAILED.name();
+            code = HttpStatus.BAD_REQUEST.toString();
+            responseCode = failedResponseCode;
+            success = false;
+            httpStatus = HttpStatus.BAD_REQUEST;
+        }
+
+        else {
+            message = TransferStatus.IN_PROGRESS.name();
+            status = TransferStatus.IN_PROGRESS.name();
+            code = HttpStatus.ACCEPTED.toString();
+            responseCode = pendingResponseCode;
+            success = true;
+            httpStatus = HttpStatus.ACCEPTED;
+        }
+
+        return airtelPaymentRespone(message, status, code, responseCode, success, httpStatus);
+
+    }
+
+    private ResponseEntity<AirtelEnquiryResponseDTO> airtelEnquiryResponse(String airtelMoneyId, String transactionId, String message,
+            String status, String code, String responseCode, Boolean success, HttpStatus httpStatus) {
+        String id = transactionId;
+
+        AirtelEnquiryResponseDataTransactionDTO airtelEnquiryResponseDataTransactionDTO = new AirtelEnquiryResponseDataTransactionDTO(
+                airtelMoneyId, id, message, status);
+        AirtelEnquiryResponseDataDTO airtelResponseDataDTO = new AirtelEnquiryResponseDataDTO(airtelEnquiryResponseDataTransactionDTO);
+
+        AirtelResponseStatusDTO airtelResponseStatusDTO = new AirtelResponseStatusDTO(code, message, resultCode, responseCode, success);
+
+        AirtelEnquiryResponseDTO responseEntity = new AirtelEnquiryResponseDTO(airtelResponseDataDTO, airtelResponseStatusDTO);
+        return ResponseEntity.status(httpStatus).body(responseEntity);
+
+    }
+
+    private ResponseEntity<AirtelPaymentResponseDTO> airtelPaymentRespone(String message, String status, String code, String responseCode,
+            Boolean success, HttpStatus httpStatus) {
+        boolean id = false;
+
+        AirtelPaymentResponseDataTransactionDTO airtelPaymentResponseDataTransactionDTO = new AirtelPaymentResponseDataTransactionDTO(id,
+                status);
+        AirtelPaymentResponseDataDTO airtelResponseDataDTO = new AirtelPaymentResponseDataDTO(airtelPaymentResponseDataTransactionDTO);
+
+        AirtelResponseStatusDTO airtelResponseStatusDTO = new AirtelResponseStatusDTO(code, message, resultCode, responseCode, success);
+
+        AirtelPaymentResponseDTO responseEntity = new AirtelPaymentResponseDTO(airtelResponseDataDTO, airtelResponseStatusDTO);
+        return ResponseEntity.status(httpStatus).body(responseEntity);
+    }
+
+}

src/main/java/org/mifos/connector/airtel/mockairtel/utils/TransactionStatus.java

@@ -0,0 +1,5 @@
+package org.mifos.connector.airtel.mockairtel.utils;
+
+public enum TransactionStatus {
+    TS, TF, TP
+}

src/main/java/org/mifos/connector/airtel/mockairtel/utils/TransferStatus.java

@@ -0,0 +1,5 @@
+package org.mifos.connector.airtel.mockairtel.utils;
+
+public enum TransferStatus {
+    COMPLETED, FAILED, IN_PROGRESS, UNKNOWN, SUCCESSFUL
+}

src/main/resources/application.yaml

@@ -1,5 +1,8 @@
 dfspids: "DFSPID"
 
+server:
+  port: 8080
+
 transaction-id-length: -1
 
 timer: "PT45S"
@@ -26,3 +29,13 @@ ams:
 logging:
   level:
     root: INFO
+
+mock-airtel:
+  MSISDN_SUCCESSFUL: "0001"
+  MSISDN_FAILED: "0002"
+  TRANSACTION_ID_SUCCESSFUL: "0004"
+  TRANSACTION_ID_FAILED: "0005"
+  FAILED_RESPONSE_CODE: "DP00800001005"
+  SUCCESS_RESPONSE_CODE: "DP00800001001"
+  PENDING_RESPONSE_CODE: "DP00800001006"
+  RESULT_CODE: "ESB000010"