20251125 save

functions/generate_minutes/src/logics/storage.ts

@@ -0,0 +1,39 @@
+import { Storage } from "@google-cloud/storage";
+import zlib from "zlib";
+
+const csClient = new Storage({
+    projectId: 'datacom-poc',
+}
+);
+const BUCKET_NAME = "meeting-report-data";
+const bucket = csClient.bucket(BUCKET_NAME);
+
+export const storageController = {
+	saveToGCS: async(folder: string, filename: string, text: string) => {
+        const gzipped = zlib.gzipSync(text);
+		const file = bucket.file((`${folder}/${filename}.json.gz`));
+		await file.save(gzipped, {
+            contentType: 'application/gzip',
+		})
+	},
+	loadFromGCS: async(folder: string, filename: string): Promise<string | null> => {
+		const file = bucket.file(`${folder}/${filename}`);
+        // console.log("loading file:", file.name);
+		try {
+			const [data] = await file.download();
+			return zlib.gunzipSync(data).toString("utf-8");
+		} catch (err: any) {
+			return null;
+		}
+	},
+    existsInGCS: async(folder: string, filename: string): Promise<boolean> => {
+		const file = bucket.file((`${folder}/${filename}`));
+        console.log("checking file:", file.name);
+		try {
+			const [exist] = await file.exists();
+			return exist;
+		} catch (err: any) {
+			return false;
+		}
+	},
+};