fizzbot nodejs solver

fizznodejs/.gitignore

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+
+node_modules

fizznodejs/README.md

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+## Usage:
+
+`npm install`
+
+`npm start`

fizznodejs/fizzsolver.js

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+"use strict";
+
+const fetch = require("node-fetch");
+const basePath = "https://api.noopschallenge.com";
+const startPath = "/fizzbot";
+
+// GET method with node-fetch
+async function tryGet(url) {
+    let result = {};
+
+    try {
+        let response = await fetch(url);
+        result = await response.json();
+    } catch (error) {
+        console.log("Something Bad Happened!!")
+        console.log(error);
+    }
+
+    return result;
+}
+
+// POST method with node-fetch
+async function tryPost(url, data) {
+    let result = {}
+
+    try {
+        let response = await fetch(url, {
+            method: "post",
+            body: JSON.stringify(data),
+            headers: {"Content-Type": "application/json"}
+        });
+        result = await response.json();
+    } catch (error) {
+        console.log("Something Bad Happened!!")
+        console.log(error);
+    }
+
+    return result;
+}
+
+// Calculate the answer with the rules and the numbers
+function calcAnswer(rules, numbers) {
+    let answer = [];
+    try {
+        for (let n of numbers) {
+            let tempo = [];
+            for (let r of rules) {
+                if (n % r["number"] === 0) {
+                    tempo.push(r["response"]);
+                }
+            }
+            let result = tempo.join("");
+            if (result === "") {
+                result = String(n);
+            }
+            answer.push(result);
+        }
+    } catch (error) {
+        console.log("Something Bad Happened!!")
+        console.log(error);
+    }
+    return {"answer": answer.join(" ")};
+}
+
+// Main solver function
+const startSolver = async (url) => {
+    let cont = true;
+    let answer = {};
+
+    // main loop
+    while (cont) {
+        // send GET request to url
+        console.log("GET the question...") 
+        let res = await tryGet(url);
+
+        if (JSON.stringify(res) === "{}") {
+            console.log("Oops, something is wrong!!");
+            cont = false;
+            break;
+        }
+
+        if (typeof res["message"] !== "undefined") {
+            // GET response contains message, show it
+            console.log("====== GET message begins ======");
+            console.log(res["message"]);
+            console.log("====== GET message ends ======");
+        }
+
+        if (typeof res["nextQuestion"] !== "undefined") {
+            // GET response contains the nextQuestion link, go there
+            url = basePath + res["nextQuestion"]
+            continue;
+        }
+
+        if (typeof res["rules"] !== "undefined" && typeof res["numbers"] !== "undefined") {
+            // it's a real question
+            let rules = res["rules"];
+            let numbers = res["numbers"];
+
+            // show the rules
+            console.log("====== Rules begins ======");
+            console.log(JSON.stringify(rules))
+            console.log("====== Rules ends ======");
+
+            // show the numbers
+            console.log("====== Numbers begins ======");
+            console.log(JSON.stringify(numbers))
+            console.log("====== Numbers ends ======");
+
+            // calculate the answer
+            answer = calcAnswer(rules, numbers);
+        } else {
+            // the first question or something, answer "JavaScript!!" anyway
+            answer = {"answer": "JavaScript!!"};
+        }
+
+        // show our decided answer
+        console.log("====== Our answer ======");
+        console.log(JSON.stringify(answer));
+        console.log("====== Answer ends ======");
+
+        // POST the answer back to the url
+        console.log("POST the answer...")
+        res = await tryPost(url, answer);
+
+        if (JSON.stringify(res) === "{}") {
+            console.log("Oops, something is wrong!!");
+            cont = false;
+            break;
+        }
+
+        if (typeof res["message"] !== "undefined") {
+            // POST response contains message, show it
+            console.log("====== POST message begins ======");
+            console.log(res["message"]);
+            console.log("====== POST message ends ======");
+        }
+
+        if (typeof res["nextQuestion"] !== "undefined") {
+            // POST response contains the nextQuestion link, go there
+            url = basePath + res["nextQuestion"]
+            continue;
+        }
+
+        // No next question?
+        console.log("No more questions, test finished!!");
+        cont = false;
+
+    }
+}
+
+// Entry point
+startSolver(basePath + startPath);

fizznodejs/package.json

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+{
+  "name": "fizznodejs",
+  "version": "1.0.0",
+  "description": "fizzbot nodejs solver",
+  "main": "fizzsolver.js",
+  "scripts": {
+    "test": "node fizzsolver.js",
+    "start": "node fizzsolver.js"
+  },
+  "author": "wuya666",
+  "license": "ISC",
+  "dependencies": {
+    "node-fetch": "^2.6.0"
+  }
+}