From 1ee58fa90dec344e232f7bd431990bf2c4fd8d94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Barfu=C3=9F?= <janbar2001@gmail.com>
Date: Sat, 23 Dec 2023 01:38:42 +0100
Subject: [PATCH] +Mensa Scraper +Bundesland Scraper +bl route

---
 src/index.ts    | 46 ++++++++++++++++++++++++-------
 src/stripper.ts | 72 ++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 108 insertions(+), 10 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index 9eebe08..97b0ae6 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -24,32 +24,60 @@ app.get("/", (req: Request, res: Response) => {
   res.send("Mensa API");
 });
 
-app.get("/api/:Ort/:Mensa?", (req: Request, res: Response) => {
-    if (req.params.Ort === null) {
+
+app.get("/api/bl/:Bundesland", (req: Request, res: Response) => {
+    if (req.params.Bundesland === undefined) {
         return res.send("Invalid request");
     }
-    let cachedData = cache.get();
+    let cachedData = cache.get("BL: "+req.params.Bundesland);
     if (cachedData !== null) {
         return res.send(cachedData);
     }else {
-        let url = baseUrl + req.params.Ort.toLowerCase(); 
+        let url = baseUrl + req.params.Bundesland.toLowerCase()+".html";
         fetch(url).then((data) => {
             let stripedData = null;
-            if (req.params.Mensa !== null) {
-                let stripedData = stripMensa(data);
+            if (data === null) {
+                return res.send("Invalid request");
+            }
+            stripedData = stripCampus(data);
+            cache.set("BL: "+req.params.Bundesland, stripedData);
+            res.send(stripedData);
+        });
+    }
+});
+app.get("/api/:Location/:Mensa?", (req: Request, res: Response) => {
+    if (req.params.Location === undefined) {
+        return res.send("Invalid request");
+    }
+    let cachedData = cache.get(req.params.Mensa ?? req.params.Location);
+    if (cachedData !== null) {
+        return res.send(cachedData);
+    }else {
+        let url = baseUrl + req.params.Location.toLowerCase(); 
+        if (req.params.Mensa !== undefined) {
+            url += "/" + req.params.Mensa.toLowerCase();
+        }
+        fetch(url).then((data) => {
+            let stripedData = null;
+            if (data === null) {
+                return res.send("Invalid request");
+            }
+            if (req.params.Mensa !== undefined) {
+                stripedData = stripMensa(data);
             }else {
-                let stripedData = stripCampus(data);
+                stripedData = stripCampus(data);
             }
 
-            cache.set(req.params.Ort, stripedData);
+            cache.set(req.params.Mensa ?? req.params.Location, stripedData);
             res.send(stripedData);
         });
     }
 
 });
 
+    
 app.get("/api", (req: Request, res: Response) => {
-    res.send("/api/:Ort/:Mensa?");
+    res.send("/api/:Location/:Mensa?");
 });
 
 app.listen(port, () => {
diff --git a/src/stripper.ts b/src/stripper.ts
index a9149e6..8e1163e 100644
--- a/src/stripper.ts
+++ b/src/stripper.ts
@@ -11,6 +11,13 @@ class Campus {
     addMensa(mensa: Mensa) {
         this.mensen.push(mensa);
     }
+    toString() {
+        let str = this.name + "\n";
+        this.mensen.forEach((elem) => {
+            str += "  -> " + elem.name + " | " + elem.url + "\n";
+        });
+        return str;
+    }
 }
 
 class Mensa {
@@ -23,6 +30,39 @@ class Mensa {
     }
 }
 
+class Menu {
+    name: string;
+    meals: Meal[];
+
+    constructor(name: string) {
+        this.name = name;
+        this.meals = [];
+    }
+    addMeal(meal: Meal) {
+        this.meals.push(meal);
+    }
+
+    toString() {
+        let str = this.name + "\n";
+        this.meals.forEach((elem) => {
+            str += "  -> " + elem.name + " | " + elem.price + " | " + elem.atributs + "\n";
+        });
+        return str;
+    }
+}
+
+class Meal {
+    name: string;
+    price: string;
+    atributs: string[];
+
+    constructor(name: string, price: string,  atributs: string[] ) {
+        this.name = name;
+        this.price = price;
+        this.atributs = atributs;
+    }
+}
+
 export function stripCampus(html: string): JSON {
 
     const $ = cheerio.load(html);
@@ -45,6 +85,36 @@ export function stripCampus(html: string): JSON {
 
 export function stripMensa(html: string): string {
     const $ = cheerio.load(html);
-    return "Mensa";
+
+    let menus :Menu[] = [];
+
+    const $menu = $('.aw-meal-category'); 
+    $menu.each((i, elem) => {
+        const menu = new Menu($(elem).find('h3').text());
+
+        //meal
+        $(elem).find('.aw-meal').each((i, elem) => {
+            const name = $(elem).find('.aw-meal-description').text();
+            const price = $(elem).find('.aw-meal-price').text();
+            
+            //delete  last time served
+            $(elem).find('.aw-meal-attributes').find('.hidden-md').remove();
+            
+            const atributs :string[] = $(elem).find('.aw-meal-attributes').text().split(" ");
+
+            atributs.forEach((elem, i) => {
+                elem = elem.trim();
+                atributs[i] = elem;
+            });
+
+
+            menu.addMeal(new Meal(name, price, atributs));
+        });
+        menus.push(menu);
+    });
+    if (menus.length === 0) {
+        return JSON.parse("No usable Data found");
+    }
+    return JSON.parse(JSON.stringify(menus));
 }