Datepicker redesign + DB connection fixes for Prod

server/check_db_perms.js

@@ -0,0 +1,45 @@
+const fs = require('fs');
+const path = require('path');
+
+const dbPath = path.resolve(__dirname, 'prod.db');
+const dirPath = __dirname;
+
+console.log('--- GymFlow Database Permission Check ---');
+console.log(`Checking directory: ${dirPath}`);
+console.log(`Checking file: ${dbPath}`);
+
+// 1. Check Directory
+try {
+    fs.accessSync(dirPath, fs.constants.R_OK | fs.constants.W_OK);
+    console.log('✅ Directory is readable and writable.');
+} catch (err) {
+    console.error('❌ Directory is NOT writable! SQLite needs directory write access to create temporary files.');
+}
+
+// 2. Check File
+if (fs.existsSync(dbPath)) {
+    try {
+        fs.accessSync(dbPath, fs.constants.R_OK | fs.constants.W_OK);
+        console.log('✅ Database file is readable and writable.');
+    } catch (err) {
+        console.error('❌ Database file is NOT writable!');
+    }
+} else {
+    console.log('ℹ️ Database file does not exist yet.');
+}
+
+// 3. Try to write a test file in the directory
+const testFile = path.join(dirPath, '.write_test');
+try {
+    fs.writeFileSync(testFile, 'test');
+    fs.unlinkSync(testFile);
+    console.log('✅ Successfully performed a test write in the directory.');
+} catch (err) {
+    console.error(`❌ Failed test write in directory: ${err.message}`);
+}
+
+console.log('\n--- Recommendation ---');
+console.log('If any checks failed, run these commands on your NAS (in the gymflow/server folder):');
+console.log('1. sudo chmod 777 .');
+console.log('2. sudo chmod 666 prod.db');
+console.log('\nAlternatively, ensure your Docker container is running with a user that owns these files.');