add auth, format
This commit is contained in:
Phuoc Nguyen
216
lib/features/auth/presentation/widgets/file_upload_card.dart
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216
lib/features/auth/presentation/widgets/file_upload_card.dart
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/// File Upload Card Widget
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///
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/// Reusable widget for uploading image files with preview.
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library;
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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:worker/core/constants/ui_constants.dart';
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import 'package:worker/core/theme/colors.dart';
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/// File Upload Card
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///
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/// A reusable widget for uploading files with preview functionality.
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/// Features:
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/// - Dashed border upload area
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/// - Camera/file icon
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/// - Title and subtitle
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/// - Image preview after selection
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/// - Remove button
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///
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/// Usage:
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/// ```dart
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/// FileUploadCard(
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/// file: selectedFile,
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/// onTap: () => pickImage(),
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/// onRemove: () => removeImage(),
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/// icon: Icons.camera_alt,
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/// title: 'Chụp ảnh hoặc chọn file',
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/// subtitle: 'JPG, PNG tối đa 5MB',
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/// )
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/// ```
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class FileUploadCard extends StatelessWidget {
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/// Creates a file upload card
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const FileUploadCard({
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super.key,
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required this.file,
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required this.onTap,
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required this.onRemove,
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required this.icon,
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required this.title,
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required this.subtitle,
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});
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/// Selected file (null if not selected)
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final File? file;
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/// Callback when upload area is tapped
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final VoidCallback onTap;
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/// Callback to remove selected file
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final VoidCallback onRemove;
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/// Icon to display in upload area
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final IconData icon;
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/// Title text
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final String title;
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/// Subtitle text
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final String subtitle;
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/// Format file size in bytes to human-readable string
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String _formatFileSize(int bytes) {
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if (bytes == 0) return '0 B';
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const suffixes = ['B', 'KB', 'MB', 'GB'];
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final i = (bytes.bitLength - 1) ~/ 10;
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final size = bytes / (1 << (i * 10));
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return '${size.toStringAsFixed(2)} ${suffixes[i]}';
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}
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/// Get file name from path
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String _getFileName(String path) {
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return path.split('/').last;
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}
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@override
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Widget build(BuildContext context) {
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if (file != null) {
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// Show preview with remove option
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return _buildPreview(context);
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} else {
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// Show upload area
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return _buildUploadArea(context);
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}
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}
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/// Build upload area
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Widget _buildUploadArea(BuildContext context) {
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return InkWell(
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onTap: onTap,
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borderRadius: BorderRadius.circular(AppRadius.lg),
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child: Container(
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decoration: BoxDecoration(
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color: AppColors.white,
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border: Border.all(
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color: const Color(0xFFCBD5E1),
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width: 2,
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strokeAlign: BorderSide.strokeAlignInside,
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),
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borderRadius: BorderRadius.circular(AppRadius.lg),
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),
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padding: const EdgeInsets.all(AppSpacing.lg),
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child: Column(
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children: [
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// Icon
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Icon(icon, size: 32, color: AppColors.grey500),
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const SizedBox(height: AppSpacing.sm),
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// Title
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Text(
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title,
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style: const TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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color: AppColors.grey900,
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),
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),
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const SizedBox(height: AppSpacing.xs),
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// Subtitle
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Text(
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subtitle,
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style: const TextStyle(fontSize: 12, color: AppColors.grey500),
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),
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],
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),
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),
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);
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}
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/// Build preview with remove button
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Widget _buildPreview(BuildContext context) {
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return Container(
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decoration: BoxDecoration(
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color: AppColors.white,
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border: Border.all(color: AppColors.grey100, width: 1),
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borderRadius: BorderRadius.circular(AppRadius.md),
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),
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padding: const EdgeInsets.all(AppSpacing.sm),
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child: Row(
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children: [
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// Thumbnail
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ClipRRect(
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borderRadius: BorderRadius.circular(AppRadius.sm),
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child: Image.file(
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file!,
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width: 50,
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height: 50,
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fit: BoxFit.cover,
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errorBuilder: (context, error, stackTrace) {
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return Container(
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width: 50,
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height: 50,
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color: AppColors.grey100,
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child: const Icon(
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Icons.broken_image,
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color: AppColors.grey500,
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size: 24,
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),
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);
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},
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),
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),
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const SizedBox(width: AppSpacing.sm),
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// File info
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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_getFileName(file!.path),
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style: const TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w500,
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color: AppColors.grey900,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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const SizedBox(height: 2),
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FutureBuilder<int>(
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future: file!.length(),
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builder: (context, snapshot) {
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if (snapshot.hasData) {
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return Text(
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_formatFileSize(snapshot.data!),
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style: const TextStyle(
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fontSize: 12,
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color: AppColors.grey500,
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),
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);
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}
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return const SizedBox.shrink();
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},
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),
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],
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),
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),
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const SizedBox(width: AppSpacing.xs),
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// Remove button
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IconButton(
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icon: const Icon(Icons.close, color: AppColors.danger, size: 20),
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onPressed: onRemove,
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padding: EdgeInsets.zero,
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constraints: const BoxConstraints(),
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splashRadius: 20,
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),
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],
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),
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);
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}
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}
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