fix presigned url

src/CenterStaff/centerstaff.schema.ts

@@ -28,9 +28,6 @@ export class CenterStaffSchema extends PothosSchema {
         centerId: t.exposeID('centerId', {
           description: 'The ID of the center.',
         }),
-        serviceId: t.exposeID('serviceId', {
-          description: 'The ID of the service.',
-        }),
         staff: t.relation('staff', {
           description: 'The staff member.',
         }),

src/Minio/minio.service.ts

@@ -30,27 +30,56 @@ export class MinioService {
     return { result, filename, mimetype, actualFileName };
   }
 
-  async getFileUrl(fileName: string, category: string) {
-    if (!fileName) {
+  async getFileUrl(id: string, category: string) {
+    if (!id) {
       return null;
     }
+
+    const url = await this.minioClient.presignedUrl(
+      'GET',
+      this.configService.get('BUCKET_NAME') ?? 'epess',
+      `${category}/${id}`,
+      3600,
+    );
+    return url;
+  }
+
+  async getNewFileUrl(id: string, category: string, fileUrl: string) {
+    if (await this.checkFileUrl(fileUrl)) {
+      return fileUrl;
+    }
     const url = await this.minioClient.presignedUrl(
       'GET',
       this.configService.get('BUCKET_NAME') ?? 'epess',
-      `${category}/${fileName}`,
+      `${category}/${id}`,
       3600,
     );
-    // replace the url with the url with actual url
     return url;
   }
 
-  async deleteFile(fileName: string, category: string) {
+  async deleteFile(id: string, category: string) {
     return await this.minioClient.removeObject(
       this.configService.get('BUCKET_NAME') ?? 'epess',
-      `${category}/${fileName}`,
+      `${category}/${id}`,
     );
   }
 
+  async checkFileUrl(fileUrl: string) {
+    // check if the file url is still valid by get X-Amz-Date= from the url and X-Amz-Expires from the url and compare with the current time
+    const url = new URL(fileUrl);
+    const _xAmzDate = url.searchParams.get('X-Amz-Date');
+    const _xAmzExpires = url.searchParams.get('X-Amz-Expires');
+    if (!_xAmzDate || !_xAmzExpires) {
+      return false;
+    }
+    const __xAmzDate = new Date(_xAmzDate);
+    const __xAmzExpires = new Date(
+      __xAmzDate.getTime() + parseInt(_xAmzExpires),
+    );
+    const currentTime = new Date();
+    return currentTime.getTime() < __xAmzExpires.getTime(); // true if the file url is still valid
+  }
+
   //
   fileName() {
     // generate a unique file name using uuid

src/Resume/resume.schema.ts

@@ -56,14 +56,12 @@ export class ResumeSchema extends PothosSchema {
         fileUrl: t.string({
           description: 'The URL of the resume file.',
           resolve: async (file, args, ctx) => {
-            const fileUrl = await this.minioService.getFileUrl(
+            // check if fileUrl is still valid
+            return await this.minioService.getNewFileUrl(
               file.id,
               'resumes',
+              file.fileUrl,
             );
-            if (!fileUrl) {
-              throw new Error('Cannot retrieve file url');
-            }
-            return fileUrl;
           },
         }),
         actualFileName: t.exposeString('actualFileName', {