wip

Author: francisco-videira-nhs

lambdas/api-handler/src/handlers/get-letter-data.ts

@@ -0,0 +1,41 @@
+import { APIGatewayProxyHandler } from "aws-lambda";
+import { createLetterRepository } from "../infrastructure/letter-repo-factory";
+import { assertNotEmpty, lowerCaseKeys } from "../utils/validation";
+import { ApiErrorDetail } from '../contracts/errors';
+import { lambdaConfig } from "../config/lambda-config";
+import pino from 'pino';
+import { mapErrorToResponse } from "../mappers/error-mapper";
+import { ValidationError } from "../errors";
+
+const letterRepo = createLetterRepository();
+
+const log = pino();
+
+// The endpoint should only return pending letters for now
+const status = "PENDING";
+
+export const getLetters: APIGatewayProxyHandler = async (event) => {
+
+  let correlationId;
+
+  try {
+    assertNotEmpty(event.headers, new Error("The request headers are empty"));
+    const lowerCasedHeaders = lowerCaseKeys(event.headers);
+    correlationId = assertNotEmpty(lowerCasedHeaders[lambdaConfig.APIM_CORRELATION_HEADER], new Error("The request headers don't contain the APIM correlation id"));
+    const supplierId = assertNotEmpty(lowerCasedHeaders[lambdaConfig.SUPPLIER_ID_HEADER], new ValidationError(ApiErrorDetail.InvalidRequestMissingSupplierId));
+
+    // assert if letter exists and retrieve
+    // call service
+
+
+    // map response
+
+    return {
+      statusCode: 200,
+      body: JSON.stringify({}, null, 2),
+    };
+  }
+  catch (error) {
+    return mapErrorToResponse(error, correlationId);
+  }
+};

lambdas/api-handler/src/services/letter-operations.ts

@@ -29,3 +29,19 @@ export const patchLetterStatus = async (letterToUpdate: LetterDto, letterId: str
 
   return mapToPatchLetterResponse(updatedLetter);
 }
+
+export const getLetterData = async (supplierId: string, letterId: string, letterRepo: LetterRepository): Promise<LetterBase> => {
+
+  let letter;
+
+  try {
+    letter = await letterRepo.getLetterById(supplierId, letterId);
+  } catch (error) {
+    if (error instanceof Error && /^Letter with id \w+ not found for supplier \w+$/.test(error.message)) {
+      throw new NotFoundError(ApiErrorDetail.NotFoundLetterId);
+    }
+    throw error;
+  }
+
+
+}