Merge pull request 'Added parameters as env vars' (#5) from feature/envvars-parametrization into main

Reviewed-on: #5

Solves issue #3

compose.yml

@@ -38,6 +38,8 @@ services:
     environment:
       PORT: 8081
       BOT_API_URI: "http://bot-api:8080"
+      GELBOORU_IMAGES_PER_REQUEST: 100  # Number of images per request, maximum 100
+      GELBOORU_TAGS: "2girls sleeping"  # Tags of the images. The images will have all of these tags
     volumes:
       - ./:/usr/src/app:ro
 

src/services/GelbooruApiService.ts

@@ -1,10 +1,12 @@
+import { env } from "bun";
 import GelbooruApiResponse from "src/types/GelbooruApiResponse";
 import GelbooruServiceResponse from "src/types/GelbooruServiceResponse";
 
 class GelbooruApiService {
     async get(): Promise<GelbooruServiceResponse> {
-        const limit = 100;
+        const LIMIT = env.GELBOORU_IMAGES_PER_REQUEST || 100;
-        const url: string = `https://gelbooru.com/index.php?page=dapi&s=post&q=index&limit=${limit}&json=1&tags=2girls+sleeping`
+        const TAGS = encodeURIComponent(env.GELBOORU_TAGS || "");
+        const url: string = `https://gelbooru.com/index.php?page=dapi&s=post&q=index&limit=${LIMIT}&json=1&tags=${TAGS}`;
 
         const response: GelbooruApiResponse = await fetch(url)
             .then(res => {