update: drag and drop + compression des textures

app/api/upload/git/route.ts

@@ -1,14 +1,10 @@
 import { NextRequest, NextResponse } from 'next/server'
-import { join } from 'path'
-import { mkdir, writeFile, readFile, unlink, rm } from 'fs/promises'
-import { existsSync } from 'fs'
 import { validateUploadSecret } from '@/lib/auth'
 import { parseMultiUpload } from '@/lib/parse-upload'
-import { compressWithBlender } from '@/lib/blender'
 import { getRemoteFolder, pushAllToGitHub } from '@/lib/github'
 import { buildCommitMessage } from '@/lib/commit-message'
 import { classifyFileChanges } from '@/lib/diff-files'
-import { TMP_DIR } from '@/lib/constants'
+import { prepareGitAssets } from '@/lib/prepare-git-assets'
 
 export const runtime = 'nodejs'
 export const dynamic = 'force-dynamic'
@@ -37,52 +33,14 @@ export async function POST(req: NextRequest) {
     return NextResponse.json({ success: false, error: message }, { status: 400 })
   }
 
-  // --- Process files (compress model if possible) ---
-  const filesToPush: { path: string; contentBase64: string }[] = []
-  let modelFilename = ''
-  let compressed = false
-  let compressionError: string | undefined
-  const textureNames: string[] = []
-
-  for (const pf of parsedFiles) {
-    let content = pf.buffer
-
-    if (pf.isModel) {
-      modelFilename = pf.filename
-
-      // Write to /tmp for Blender compression
-      const tmpFolder = join(TMP_DIR, folderName)
-      await mkdir(tmpFolder, { recursive: true })
-      const tmpFilePath = join(tmpFolder, pf.filename)
-      await writeFile(tmpFilePath, pf.buffer)
-
-      const stem = pf.filename.replace(/\.[^.]+$/, '')
-      const compressedPath = join(tmpFolder, `${stem}_compressed.glb`)
-
-      try {
-        const result = await compressWithBlender(tmpFilePath, compressedPath)
-
-        if (result.success && existsSync(compressedPath)) {
-          content = await readFile(compressedPath)
-          compressed = true
-          await unlink(compressedPath).catch(() => {})
-        } else {
-          compressionError = result.error
-        }
-      } finally {
-        // Always cleanup temp files
-        await unlink(tmpFilePath).catch(() => {})
-        await rm(tmpFolder, { recursive: true, force: true }).catch(() => {})
-      }
-    } else {
-      textureNames.push(pf.filename)
-    }
-
-    filesToPush.push({
-      path: `public/models/${destination}/${folderName}/${pf.filename}`,
-      contentBase64: content.toString('base64'),
-    })
-  }
+  // --- Process files (compress model + textures for Git) ---
+  const {
+    filesToPush,
+    modelFilename,
+    compressed,
+    compressionError,
+    textureNames,
+  } = await prepareGitAssets({ folderName, destination, parsedFiles })
 
   // --- Detect existing files and classify changes ---
   const folderPath = `public/models/${destination}/${folderName}`