Ajout de la route de copie

server/service/LightshowService.js

@@ -1,6 +1,8 @@
 const { PrismaClient } = require('@prisma/client')
+const fs = require('fs')
 
 const prisma = new PrismaClient()
+const usbLightshow = process.env.LIGHTSHOW_DIR || '';
 class LigthshowService{
 
 
@@ -22,6 +24,42 @@ class LigthshowService{
     //         },
     //     })
     // }
+
+    isExistLightshowOnServer(ligthshowName){
+        let audio = this.getAudioFileName(ligthshowName) !== null;
+        let fseq = this.getFseqLigthshow(ligthshowName) !== null;
+        return audio && fseq;
+    }
+
+    #getBaseFile(ligthshowName){
+        return usbLightshow + '/' + ligthshowName
+    }
+
+    getAudioFileName(ligthshowName){
+        let base = this.#getBaseFile(ligthshowName)
+        let extensions = [ 'mp3', 'wav']
+        let filename = null;
+        extensions.forEach((ext) => {
+            let tmpfileName = base + '.' + ext
+            if (fs.existsSync(tmpfileName) && filename === null){
+                filename = tmpfileName;
+            }else if (fs.existsSync(tmpfileName) && filename !== null){
+                throw new Error('Multiple audio file for the same Lightshow')
+            }
+        })
+        return filename;
+
+    }
+
+    getFseqLigthshow(ligthshowName){
+        let filename = null;
+        let base2 = usbLightshow + '/' + ligthshowName
+        let tmp = base2 + '.fseq'
+        if (fs.existsSync(tmp)){
+            filename = tmp;
+        }
+        return filename;
+    }
 }