refactor project structure

README.md

@@ -10,10 +10,12 @@ A static site to be displayed on info-screens around [Teknologföreningen](https
 
 ## Environmental variables
 
-Required environmental variables can be found in `main.ts`.
+See `.env.example`
 
 # Running
 
-The server can be ran with the following command:
+## Development
 
-`deno run --allow-env --allow-read --allow-net main.ts`
+The development server can be run with the following command:
+
+`deno task dev`

dagsen/handler.ts

@@ -0,0 +1,52 @@
+import { render } from "../render.ts";
+import * as dagsen from "./api.ts";
+
+export async function dagsenHandler(params: URLSearchParams): Promise<Response> {
+  let lang = params.get("lang") as dagsen.Language | null;
+
+  if (lang !== null) {
+    const renderData = await fetchRenderData(lang);
+    return render("/dagsen/menu", renderData);
+  }
+
+  lang = lang ?? "sv";
+  if (!dagsen.LANGUAGES.includes(lang)) {
+    lang = "sv";
+  }
+
+  const renderData = await fetchRenderData(lang);
+  return render("/dagsen/index", renderData);
+}
+
+type RenderData = {
+  date: string;
+  menuItems: string[];
+  openTime: string;
+  nextPage: string;
+  pageTimeout: string;
+};
+
+async function fetchRenderData(language: dagsen.Language): Promise<RenderData> {
+  const now = new Date();
+
+  const date = now.toLocaleDateString("en-GB", { year: "2-digit", month: "2-digit", "day": "2-digit" })
+    .split("/")
+    .slice(0, 2)
+    .join("/");
+
+  const menuItems = (await dagsen.fetchMenuText(language))?.split("\r\n") ?? [];
+
+  return {
+    date,
+    menuItems: menuItems,
+    openTime: dagsen.openTime(now),
+    nextPage: nextDagsenPage(dagsen.LANGUAGES, language),
+    pageTimeout: "5s",
+  };
+}
+
+function nextDagsenPage(languages: readonly dagsen.Language[], currentLanguage: dagsen.Language): string {
+  const languagesLength = languages.length;
+  const nextIndex = languages.indexOf(currentLanguage) + 1;
+  return `/dagsen?lang=${languages[nextIndex % languagesLength]}`;
+}

deno.json

@@ -1,11 +1,16 @@
 {
-  "deno.enable": true,
-  "deno.lint": true,
-  "deno.unstable": true,
-  "fmt": {
-    "lineWidth": 120
-  },
-  "tasks": {
-    "dev": "deno run --watch --allow-read --allow-env --allow-net main.ts"
-  }
+    "deno.enable": true,
+    "deno.lint": true,
+    "deno.unstable": true,
+    "fmt": {
+        "lineWidth": 120
+    },
+    "tasks": {
+        "dev": "deno run --watch --allow-read --allow-env --allow-net main.ts"
+    },
+    "imports": {
+        "@std/http": "https://deno.land/[email protected]/http/mod.ts",
+        "@std/dotenv": "https://deno.land/[email protected]/dotenv/load.ts",
+        "eta": "https://deno.land/x/[email protected]/src/index.ts",
+    }
 }

env.ts

@@ -0,0 +1,23 @@
+export type Env = {
+  camUrl: string;
+  ylonzDate: Date;
+  votesUrl: string;
+  pageTimeout: string;
+  refreshTime: string;
+};
+
+const {
+  CAM_URL,
+  YLONZ_DATE,
+  VOTES_URL,
+  PAGE_TIMEOUT = "10s",
+  REFRESH_TIME = "04:00",
+} = Deno.env.toObject();
+
+export const env: Env = {
+  camUrl: CAM_URL,
+  ylonzDate: new Date(YLONZ_DATE),
+  votesUrl: VOTES_URL,
+  pageTimeout: PAGE_TIMEOUT,
+  refreshTime: REFRESH_TIME,
+};