FINERACT-1724: Enhancements on batch API support for adjusting a loan transaction

fineract-provider/src/main/java/org/apache/fineract/batch/command/CommandStrategyProvider.java

@@ -103,6 +103,8 @@ public class CommandStrategyProvider {
                 "createTransactionLoanCommandStrategy");
         this.commandStrategies.put(CommandContext.resource("loans\\/\\d+\\/transactions\\?command=payoutRefund").method("POST").build(),
                 "createTransactionLoanCommandStrategy");
+        this.commandStrategies.put(CommandContext.resource("loans\\/\\d+\\/transactions\\/\\d+").method("POST").build(),
+                "adjustTransactionCommandStrategy");
         this.commandStrategies.put(CommandContext.resource("clients\\/\\d+\\?command=activate").method("POST").build(),
                 "activateClientCommandStrategy");
         this.commandStrategies.put(CommandContext.resource("loans\\/\\d+\\?command=approve").method("POST").build(),

fineract-provider/src/main/java/org/apache/fineract/batch/command/internal/AdjustTransactionCommandStrategy.java

@@ -0,0 +1,76 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.fineract.batch.command.internal;
+
+import com.google.common.base.Splitter;
+import java.util.List;
+import java.util.Map;
+import javax.ws.rs.core.UriInfo;
+import lombok.RequiredArgsConstructor;
+import org.apache.fineract.batch.command.CommandStrategy;
+import org.apache.fineract.batch.command.CommandStrategyUtils;
+import org.apache.fineract.batch.domain.BatchRequest;
+import org.apache.fineract.batch.domain.BatchResponse;
+import org.apache.fineract.portfolio.loanaccount.api.LoanTransactionsApiResource;
+import org.apache.http.HttpStatus;
+import org.springframework.stereotype.Component;
+
+/**
+ * Implements {@link CommandStrategy} to adjust a transaction. It passes the contents of the body from the BatchRequest
+ * to {@link LoanTransactionsApiResource} and gets back the response. This class will also catch any errors raised by
+ * {@link LoanTransactionsApiResource} and map those errors to appropriate status codes in BatchResponse.
+ *
+ * @see CommandStrategy
+ * @see BatchRequest
+ * @see BatchResponse
+ */
+@Component
+@RequiredArgsConstructor
+public class AdjustTransactionCommandStrategy implements CommandStrategy {
+
+    private final LoanTransactionsApiResource loanTransactionsApiResource;
+
+    @Override
+    public BatchResponse execute(final BatchRequest request, UriInfo uriInfo) {
+        final BatchResponse response = new BatchResponse();
+        final String responseBody;
+
+        response.setRequestId(request.getRequestId());
+        response.setHeaders(request.getHeaders());
+
+        final String relativeUrl = request.getRelativeUrl();
+
+        // Get the loan and transaction ids for use in loanTransactionsApiResource
+        final List<String> pathParameters = Splitter.on('/').splitToList(relativeUrl);
+        Long loanId = Long.parseLong(pathParameters.get(1));
+        Long transactionId = Long.parseLong(pathParameters.get(3));
+        Map<String, String> queryParameters = CommandStrategyUtils.getQueryParameters(relativeUrl);
+        String command = queryParameters.get("command");
+
+        // Calls 'adjustLoanTransaction' function from 'loanTransactionsApiResource'
+        responseBody = loanTransactionsApiResource.adjustLoanTransaction(loanId, transactionId, request.getBody(), command);
+
+        response.setStatusCode(HttpStatus.SC_OK);
+
+        // Sets the body of the response after retrieving the transaction
+        response.setBody(responseBody);
+
+        return response;
+    }
+}

fineract-provider/src/main/java/org/apache/fineract/infrastructure/businessdate/api/BusinessDateApiResource.java

@@ -95,7 +95,7 @@ public class BusinessDateApiResource {
     @Operation(summary = "Update Business Date", description = "")
     @RequestBody(required = true, content = @Content(schema = @Schema(implementation = BusinessDateApiResourceSwagger.BusinessDateRequest.class)))
     @ApiResponses({
-            @ApiResponse(responseCode = "200", description = "OK", content = @Content(schema = @Schema(implementation = BusinessDateApiResourceSwagger.BusinessDateRequest.class))) })
+            @ApiResponse(responseCode = "200", description = "OK", content = @Content(schema = @Schema(implementation = BusinessDateApiResourceSwagger.BusinessDateResponse.class))) })
     public String updateBusinessDate(final String jsonRequestBody, @Context UriInfo uriInfo) {
         securityContext.authenticatedUser().validateHasUpdatePermission("BUSINESS_DATE");
         final CommandWrapper commandRequest = new CommandWrapperBuilder().updateBusinessDate().withJson(jsonRequestBody).build();