File browser on admin page

software/backend/routes/api.routes.ts

@@ -1,5 +1,6 @@
 import { Request, Response, NextFunction, Router } from 'express'
 import { deleteAllTables, deleteExerciseProgressTables, prepopulateDatabase, prepopulateExerciseDatabase } from '../scripts/databaseHelper'
+import fs from "fs"
 
 export const api = Router()
 
@@ -24,4 +25,29 @@ api.get("/resetExerciseProgress", async (req: Request, res: Response, next: Next
   await prepopulateExerciseDatabase()
   
   res.status(200).send()
+})
+
+/**
+ * Get all uploaded file names
+ */
+api.get("/files", async (req: Request, res: Response) => {
+  let dirNames = fs.readdirSync("./backend/images")
+  let result = []
+
+  dirNames.forEach(dir => {
+    let fileNames = fs.readdirSync("./backend/images/" + dir)
+
+    result.push({
+      folder: dir,
+      files: fileNames.map(file => {
+        return {
+          name: file,
+          size: fs.statSync("./backend/images/" + dir + "/" + file).size,
+          url: "http://localhost:3000/static/" + dir + "/" + file
+        }
+      })
+    })
+  })
+
+  res.status(200).json(result)
 })