save changes

src/lib/image-generator-style-faceswap.ts

@@ -0,0 +1,78 @@
+import * as fs from 'fs/promises';
+import * as path from 'path';
+import axios from 'axios';
+import dotenv from 'dotenv';
+
+dotenv.config();
+
+interface ImageSize {
+    width: number;
+    height: number;
+}
+
+async function generateImage(
+    prompt: string,
+    faceImage: string,
+    styleImage: string,
+    newFileName: string,
+    comfyBaseUrl: string,
+    comfyOutputDir: string,
+    size: ImageSize = { width: 720, height: 1280 }
+): Promise<string> {
+    const COMFY_BASE_URL = comfyBaseUrl.replace(/\/$/, '');
+    const COMFY_OUTPUT_DIR = comfyOutputDir;
+    let workflow;
+
+    workflow = JSON.parse(await fs.readFile('src/comfyworkflows/generate_image_style_faceswap.json', 'utf-8'));
+    workflow['14']['inputs']['text'] = prompt;
+
+    // Set image name
+    workflow['13']['inputs']['image'] = styleImage;
+
+    // Set image name
+    workflow['19']['inputs']['image'] = faceImage;
+
+    workflow['3']['inputs']['width'] = size.width;
+    workflow['3']['inputs']['height'] = size.height;
+
+
+    const response = await axios.post(`${COMFY_BASE_URL}/prompt`, { prompt: workflow });
+    const promptId = response.data.prompt_id;
+
+    let history;
+    do {
+        await new Promise(resolve => setTimeout(resolve, 1000));
+        const historyResponse = await axios.get(`${COMFY_BASE_URL}/history/${promptId}`);
+        history = historyResponse.data[promptId];
+    } while (!history || Object.keys(history.outputs).length === 0);
+
+    const files = await fs.readdir(COMFY_OUTPUT_DIR!);
+    const generatedFiles = files.filter(file => file.startsWith('STYLEDVIDEOMAKER'));
+
+    const fileStats = await Promise.all(
+        generatedFiles.map(async (file) => {
+            const stat = await fs.stat(path.join(COMFY_OUTPUT_DIR!, file));
+            return { file, mtime: stat.mtime };
+        })
+    );
+
+    fileStats.sort((a, b) => b.mtime.getTime() - a.mtime.getTime());
+
+    const latestFile = fileStats[0].file;
+    const newFilePath = path.resolve('./generated', newFileName);
+
+    await fs.mkdir('./generated', { recursive: true });
+
+    const sourcePath = path.join(COMFY_OUTPUT_DIR!, latestFile);
+    try {
+        await fs.unlink(newFilePath);
+    } catch (err) {
+        // ignore if not exists
+    }
+
+    await fs.copyFile(sourcePath, newFilePath);
+
+    return newFilePath;
+}
+
+export { generateImage };