FileSize

src/meta/file/file.ts

@@ -6,7 +6,7 @@ export type FileSummary = {
   readonly createdAt: string
   readonly id: number
   readonly name: string
-  readonly size: number
+  size: number
   readonly uuid: string
   readonly repositoryItemUuid: string
 }

src/server/controller/cycleData/repository/getFileMeta.ts

@@ -3,6 +3,7 @@ import { FileMeta } from 'meta/file'
 
 import { RepositoryRepository } from 'server/repository/assessmentCycle/repository'
 import { FileRepository } from 'server/repository/public/file'
+import { FileStorage } from 'server/service/fileStorage'
 
 type Props = {
   assessment: Assessment
@@ -24,6 +25,8 @@ export const getFileMeta = async (props: Props): Promise<Returned> => {
     FileRepository.getSummary({ fileUuid: repositoryItem.fileUuid }),
   ])
 
+  summary.size = await FileStorage.getFileSize({ key: repositoryItem.fileUuid })
+
   return {
     usages,
     summary: { ...summary, repositoryItemUuid: repositoryItem.uuid },

src/server/repository/public/file/fields.ts

@@ -1 +1 @@
-export const fieldsFileSummary = ['id', 'name', 'uuid', 'created_at' /* 'length(file) as size' */]
+export const fieldsFileSummary = ['id', 'name', 'uuid', 'created_at']

src/server/service/fileStorage/fileStorage.ts

@@ -1,5 +1,5 @@
 import { Readable } from 'stream'
-import { GetObjectCommand, PutObjectCommand, S3Client } from '@aws-sdk/client-s3'
+import { GetObjectCommand, HeadObjectCommand, PutObjectCommand, S3Client } from '@aws-sdk/client-s3'
 
 import { ProcessEnv } from 'server/utils'
 
@@ -39,7 +39,19 @@ const uploadFile = async (props: {
   await s3Client.send(command)
 }
 
+const getFileSize = async (props: { key: string; bucket?: string; path?: string }): Promise<number> => {
+  const { key, bucket = ProcessEnv.s3BucketName, path = 'public' } = props
+  const command = new HeadObjectCommand({
+    Bucket: bucket,
+    Key: `${path}/${key}`,
+  })
+
+  const response = await s3Client.send(command)
+  return response.ContentLength || 0
+}
+
 export const FileStorage = {
   getFile,
   uploadFile,
+  getFileSize,
 }