feat(medusa/product-export-strategy): Implement the Product export strategy (#1688)

integration-tests/api/src/services/local-file-service.js

@@ -0,0 +1,61 @@
+import { AbstractFileService } from "@medusajs/medusa"
+import stream from "stream"
+import { resolve } from "path"
+import * as fs from "fs"
+
+export default class LocalFileService extends AbstractFileService {
+  constructor({}, options) {
+    super({});
+    this.upload_dir_ = process.env.UPLOAD_DIR ?? options.upload_dir ?? "uploads/images";
+
+    if (!fs.existsSync(this.upload_dir_)) {
+      fs.mkdirSync(this.upload_dir_);
+    }
+  }
+
+  upload(file) {
+    return new Promise((resolve, reject) => {
+      const path = resolve(this.upload_dir_, file.originalname)
+      fs.writeFile(path, "", err => {
+        if (err) {
+          reject(err);
+        }
+
+        resolve({ url: path });
+      });
+    });
+  }
+
+  delete({ name }) {
+    return new Promise((resolve, _) => {
+      const path = resolve(this.upload_dir_, name)
+      fs.unlink(path, err => {
+        if (err) {
+          throw err;
+        }
+
+        resolve("file unlinked");
+      });
+    });
+  }
+
+  async getUploadStreamDescriptor({ name, ext }) {
+    const fileKey = `${name}.${ext}`
+    const path = resolve(this.upload_dir_, fileKey)
+
+    const isFileExists = fs.existsSync(path)
+    if (!isFileExists) {
+      await this.upload({ originalname: fileKey })
+    }
+
+    const pass = new stream.PassThrough()
+    pass.pipe(fs.createWriteStream(path))
+
+    return {
+      writeStream: pass,
+      promise: Promise.resolve(),
+      url: `${this.upload_dir_}/${fileKey}`,
+      fileKey,
+    }
+  }
+}