feat: added nano

Author: mrepol742

package-lock.json

@@ -27,7 +27,7 @@
     "email": "mrepol742@gmail.com"
   },
   "dependencies": {
-    "@google/genai": "^1.11.0",
+    "@google/genai": "^1.19.0",
     "@openrouter/ai-sdk-provider": "^0.7.2",
     "@prisma/client": "^6.12.0",
     "ai": "^4.3.19",

package.json

@@ -0,0 +1,64 @@
+import { GoogleGenAI, Modality } from "@google/genai";
+import fs from "fs/promises";
+import { Message, MessageMedia } from "whatsapp-web.js";
+import log from "../components/utils/log";
+import { gemini } from "../components/ai/gemini";
+
+export const info = {
+  command: "nano",
+  description: "Create a picture using nano banana model.",
+  usage: "nano <prompt>",
+  example:
+    "nano Create a picture of a nano banana dish in a fancy restaurant with a Gemini theme",
+  role: "user",
+  cooldown: 5000,
+};
+
+export default async function (msg: Message) {
+  const query = msg.body.replace(/^nano\s+/i, "").trim();
+  if (query.length === 0) {
+    await msg.reply("Please provide a prompt.");
+    return;
+  }
+
+  if (!gemini) {
+    return log.error(
+      "nano",
+      "Unable to process `nano` Gemini is not yet setup.",
+    );
+  }
+
+  const response = await gemini.models.generateContent({
+    model: "gemini-2.5-flash-image-preview",
+    contents: [
+      {
+        role: "user",
+        parts: [{ text: query }],
+      },
+    ],
+  });
+
+  const candidate = response.candidates?.[0];
+  if (!candidate?.content?.parts) {
+    await msg.reply("No image was generated. Try a different prompt.");
+    return;
+  }
+
+  const tempDir = "./.temp";
+  await fs.mkdir(tempDir, { recursive: true });
+  const tempPath = `${tempDir}/${Date.now()}.png`;
+
+  for (const part of candidate.content.parts) {
+    if (part.text) {
+      await msg.reply(part.text);
+    } else if (part.inlineData?.data) {
+      const buffer = Buffer.from(part.inlineData.data, "base64");
+
+      await fs.writeFile(tempPath, buffer);
+
+      const media = MessageMedia.fromFilePath(tempPath);
+      await msg.reply(media);
+      await fs.unlink(tempPath);
+    }
+  }
+}