Add error codes and error messages to failed results (#89)

# Description

- Added an Error Code (enum) and Error Message (string) to all the failed results

#53

## Type of change

Please delete options that are not relevant.

- [x] New feature (non-breaking change which adds functionality)

# How Has This Been Tested?

- This has been tested both manually as well as the unit tests

# Checklist

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that provde my fix is effective or that my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream modules

Reviewed-on: https://gitea.vylpes.xyz/RabbitLabs/random-bunny/pulls/89
Co-authored-by: Ethan Lane <ethan@vylpes.com>
Co-committed-by: Ethan Lane <ethan@vylpes.com>

src/index.ts

@@ -1,8 +1,10 @@
-import IReturnResult from "./contracts/IReturnResult.js";
-import IRedditResult from "./contracts/IRedditResult.js";
+import IReturnResult from "./contracts/IReturnResult";
+import IRedditResult from "./contracts/IRedditResult";
 import fetch from "got-cjs";
 import { List } from 'linqts';
-import IFetchResult from "./contracts/IFetchResult.js";
+import IFetchResult from "./contracts/IFetchResult";
+import { ErrorCode } from "./constants/ErrorCode";
+import ErrorMessages from "./constants/ErrorMessages";
 
 const sortable = [
     'new',
@@ -17,7 +19,11 @@ export default async function randomBunny(subreddit: string, sortBy: string = 'h
 
     if (!result) {
         return {
-            IsSuccess: false
+            IsSuccess: false,
+            Error: {
+                Code: ErrorCode.FailedToFetchReddit,
+                Message: ErrorMessages.FailedToFetchReddit,
+            },
         }
     }
 
@@ -25,7 +31,11 @@ export default async function randomBunny(subreddit: string, sortBy: string = 'h
 
     if (!json) {
         return {
-            IsSuccess: false
+            IsSuccess: false,
+            Error: {
+                Code: ErrorCode.UnableToParseJSON,
+                Message: ErrorMessages.UnableToParseJSON,
+            },
         }
     }
 
@@ -40,6 +50,10 @@ export default async function randomBunny(subreddit: string, sortBy: string = 'h
     if (dataWithImages.length == 0) {
         return {
             IsSuccess: false,
+            Error: {
+                Code: ErrorCode.NoImageResultsFound,
+                Message: ErrorMessages.NoImageResultsFound,
+            },
         };
     } else {
         random = Math.floor((Math.random() * (dataWithImages.length - 1)) + 0); // Between 0 and (size - 1)