From efb0ef8068930805fcb3c01d6df99aa6db090b82 Mon Sep 17 00:00:00 2001
From: taylorfries <taylor.friesen@gov.bc.ca>
Date: Tue, 20 Feb 2024 09:32:41 -0800
Subject: [PATCH] starting to add parcel service and unit test

---
 .../src/services/parcels/parcelSchema.ts      |  0
 .../src/services/parcels/parcelServices.ts    | 36 +++++++++++++++++++
 .../services/parcels/parcelsService.test.ts   | 17 +++++++++
 3 files changed, 53 insertions(+)
 create mode 100644 express-api/src/services/parcels/parcelSchema.ts
 create mode 100644 express-api/src/services/parcels/parcelServices.ts
 create mode 100644 express-api/tests/unit/services/parcels/parcelsService.test.ts

diff --git a/express-api/src/services/parcels/parcelSchema.ts b/express-api/src/services/parcels/parcelSchema.ts
new file mode 100644
index 000000000..e69de29bb
diff --git a/express-api/src/services/parcels/parcelServices.ts b/express-api/src/services/parcels/parcelServices.ts
new file mode 100644
index 000000000..430ec6226
--- /dev/null
+++ b/express-api/src/services/parcels/parcelServices.ts
@@ -0,0 +1,36 @@
+import { Parcel } from "@/typeorm/Entities/Parcel";
+import { AppDataSource } from "@/appDataSource";
+import { ErrorWithCode } from "@/utilities/customErrors/ErrorWithCode";
+
+const parcelRepo = AppDataSource.getRepository(Parcel);
+
+/**
+ * @description          Adds a new parcel to the datasource.
+ * @param   parcel       incoming parcel data to be added to the database
+ * @returns {Response}   A 201 status and the data of the role added.
+ * @throws ErrorWithCode If the parcel already exists or is unable to be added. 
+ */
+export const postParcel = async (parcel: Parcel) => {
+    const existingParcel = await getParcelById(parcel.Id);
+    if (existingParcel) {
+        throw new ErrorWithCode('Parcel already exists', 409);
+    };
+    const newParcel = parcelRepo.save(parcel);
+    return newParcel;
+};
+
+/**
+ * @description Finds and returns a parcel with matching Id 
+ * @param       parcelId Number representing parcel we want to find.
+ * @returns     findParcel Parcel data matching Id passed in. 
+ */
+export const getParcelById = async (parcelId: number) => {
+    try{
+        const findParcel = await parcelRepo.findOne({
+            where: { Id: parcelId},
+        });
+        return findParcel;
+    } catch (e) {
+        throw new ErrorWithCode(e.message, e.status);
+    }
+}
\ No newline at end of file
diff --git a/express-api/tests/unit/services/parcels/parcelsService.test.ts b/express-api/tests/unit/services/parcels/parcelsService.test.ts
new file mode 100644
index 000000000..ee836cbf9
--- /dev/null
+++ b/express-api/tests/unit/services/parcels/parcelsService.test.ts
@@ -0,0 +1,17 @@
+import { AppDataSource } from "@/appDataSource";
+import { Parcel } from "@/typeorm/Entities/Parcel";
+import { DeepPartial } from "typeorm";
+
+const parcelRepo = AppDataSource.getRepository(Parcel);
+
+const _parcelSave = jest
+  .spyOn(parcelRepo, 'save')
+  .mockImplementation(async (parcel: DeepPartial<Parcel> & Parcel) => parcel);
+
+  describe('UNIT - Parcel Services', () => {
+    describe('addParcel', () => {
+        it('should add a new parcel and return it', async () => {
+            
+        })
+    })
+  })