Barista bot

.gitignore

@@ -6,3 +6,4 @@ temp/
 testfiles
 nodejs-vertexai/
 samples/package-lock.json
+.env

package.json

@@ -88,5 +88,9 @@
   "bugs": {
     "url": "https://github.com/google/generative-ai-js/issues"
   },
-  "homepage": "https://github.com/google/generative-ai-js#readme"
+  "homepage": "https://github.com/google/generative-ai-js#readme",
+  "dependencies": {
+    "@google/generative-ai": "^0.24.0",
+    "dotenv": "^16.4.7"
+  }
 }

samples/Barista_bot.js

@@ -0,0 +1,143 @@
+import "dotenv/config"; // Load .env variables
+import readline from "readline"; // For terminal input
+import { GoogleGenerativeAI } from "@google/generative-ai"; // Gemini SDK Setup
+
+// Initialize Gemini client with your API key
+const genAI = new GoogleGenerativeAI(process.env.GOOGLE_API_KEY);
+
+// Export the generative model (Gemini Pro)
+const model = genAI.getGenerativeModel({ model: "gemini-pro" });
+
+
+// Store the current order
+let order = [];
+
+/**
+ * Add a drink to the order with optional modifiers (like oat milk, caramel)
+ */
+function addToOrder(drink, modifiers = []) {
+    order.push({ drink, modifiers });
+    return `✅ Added ${drink}${modifiers.length ? " with " + modifiers.join(", ") : ""}`;
+}
+
+/**
+ * Get the full text summary of the order
+ */
+function getOrderText() {
+    if (order.length === 0) return "📝 You haven't added anything yet.";
+    return order
+        .map(({ drink, modifiers }, i) =>
+            `${i + 1}. ${drink}${modifiers.length ? " (" + modifiers.join(", ") + ")" : ""}`
+        )
+        .join("\n");
+}
+
+/**
+ * Clear the current order
+ */
+function clearOrder() {
+    order = [];
+    return "🧹 Order cleared.";
+}
+
+/**
+ * Place the order, get a random ETA, then clear it
+ */
+function placeOrder() {
+    const eta = Math.floor(Math.random() * 10) + 1;
+    const summary = getOrderText();
+    clearOrder();
+    return `✅ Order placed!\n📝 Summary:\n${summary}\n🚚 ETA: ${eta} minutes.`;
+}
+
+
+
+// Setup CLI input/output
+const rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout,
+});
+
+// Main loop
+async function main() {
+    console.log("☕ Welcome to Barista Bot (powered by Gemini)\nType 'exit' to quit.\n");
+
+    while (true) {
+        const input = await new Promise((res) => rl.question("> ", res));
+
+        if (input.toLowerCase() === "exit") break;
+
+        try {
+            // Ask Gemini to interpret the user's command
+            const result = await model.generateContent(`
+                This is a barista bot. The user said: "${input}". 
+                Respond in lowercase with a simple command:
+- "add [drink] with [modifiers]" (e.g. add latte with oat milk)
+- "get order"
+- "clear"
+- "place order"
+Respond with only the command.
+`);
+
+            const aiResponse = result.response.text().toLowerCase().trim();
+            console.log(`🤖 Gemini says: ${aiResponse}`);
+
+            let output = "🤔 I didn't understand that.";
+
+            // Parse Gemini's instruction
+            if (aiResponse.startsWith("add")) {
+                const match = aiResponse.match(/add\s(.+?)(?:\swith\s(.+))?$/);
+                if (match) {
+                    const drink = match[1].trim();
+                    const mods = match[2]?.split(" and ").map((m) => m.trim()) ?? [];
+                    output = addToOrder(drink, mods);
+                }
+            } else if (aiResponse.includes("get order")) {
+                output = getOrderText();
+            } else if (aiResponse.includes("clear")) {
+                output = clearOrder();
+            } else if (aiResponse.includes("place order")) {
+                output = placeOrder();
+            }
+
+            console.log(output + "\n");
+        } catch (err) {
+            console.error("❌ Error:", err.message);
+        }
+    }
+
+    rl.close();
+}
+
+main();
+// 📦 Install Dependencies
+
+// npm init -y
+// npm install @google/generative-ai dotenv
+// 🧪 Run the Bot
+
+// ☕ Welcome to Barista Bot (powered by Gemini)
+// Type 'exit' to quit.
+
+// > I'd like a cappuccino with oat milk
+// 🤖 Gemini says: add cappuccino with oat milk
+// ✅ Added cappuccino with oat milk
+
+// > What's my order?
+// 🤖 Gemini says: get order
+// 1. cappuccino (oat milk)
+
+// > clear it please
+// 🤖 Gemini says: clear
+// 🧹 Order cleared.
+
+// > give me a mocha with almond milk and caramel
+// 🤖 Gemini says: add mocha with almond milk and caramel
+// ✅ Added mocha with almond milk and caramel
+
+// > place the order
+// 🤖 Gemini says: place order
+// ✅ Order placed!
+// 📝 Summary:
+// 1. mocha (almond milk, caramel)
+// 🚚 ETA: 6 minutes.