Files
picpeak/frontend/src/components/admin/PhotoUpload.tsx
T

280 lines
9.6 KiB
TypeScript

import React, { useState, useRef } from 'react';
import { Upload, X, Image, Loader2 } from 'lucide-react';
import { Button } from '../common';
import { clsx } from 'clsx';
import { api } from '../../config/api';
import { toast } from 'react-toastify';
import { useQuery } from '@tanstack/react-query';
import { categoriesService } from '../../services/categories.service';
import { useTranslation } from 'react-i18next';
interface PhotoUploadProps {
eventId: number;
onUploadComplete?: () => void;
}
export const PhotoUpload: React.FC<PhotoUploadProps> = ({ eventId, onUploadComplete }) => {
const { t } = useTranslation();
const [isUploading, setIsUploading] = useState(false);
const [selectedFiles, setSelectedFiles] = useState<File[]>([]);
const [uploadProgress, setUploadProgress] = useState(0);
const [currentChunk, setCurrentChunk] = useState(0);
const [totalChunks, setTotalChunks] = useState(0);
const [selectedCategoryId, setSelectedCategoryId] = useState<number | null>(null);
const fileInputRef = useRef<HTMLInputElement>(null);
// Fetch categories for this event
const { data: categories = [] } = useQuery({
queryKey: ['event-categories', eventId],
queryFn: () => categoriesService.getEventCategories(eventId),
});
const handleFileSelect = (e: React.ChangeEvent<HTMLInputElement>) => {
const files = Array.from(e.target.files || []);
const imageFiles = files.filter(file =>
['image/jpeg', 'image/png', 'image/webp'].includes(file.type)
);
// Check total file count with existing files
const totalFiles = selectedFiles.length + imageFiles.length;
if (totalFiles > 500) {
const allowedNewFiles = 500 - selectedFiles.length;
if (allowedNewFiles <= 0) {
toast.error(t('upload.maxFilesReached') || 'Maximum 500 files allowed');
return;
}
toast.warning(t('upload.someFilesSkipped') || `Only ${allowedNewFiles} more files can be added (500 max)`);
setSelectedFiles(prev => [...prev, ...imageFiles.slice(0, allowedNewFiles)]);
return;
}
setSelectedFiles(prev => [...prev, ...imageFiles]);
};
const removeFile = (index: number) => {
setSelectedFiles(prev => prev.filter((_, i) => i !== index));
};
const handleUpload = async () => {
if (selectedFiles.length === 0) return;
// Validate file count
if (selectedFiles.length > 500) {
toast.error(t('upload.tooManyFiles') || 'Maximum 500 files can be uploaded at once');
return;
}
setIsUploading(true);
setUploadProgress(0);
// For large uploads, chunk the files to prevent memory issues
const CHUNK_SIZE = 50; // Upload 50 files at a time
const chunks = [];
for (let i = 0; i < selectedFiles.length; i += CHUNK_SIZE) {
chunks.push(selectedFiles.slice(i, i + CHUNK_SIZE));
}
setTotalChunks(chunks.length);
let totalUploaded = 0;
let failedFiles = [];
try {
for (let chunkIndex = 0; chunkIndex < chunks.length; chunkIndex++) {
setCurrentChunk(chunkIndex + 1);
const chunk = chunks[chunkIndex];
const formData = new FormData();
chunk.forEach((file) => {
formData.append('photos', file);
});
if (selectedCategoryId) {
formData.append('category_id', selectedCategoryId.toString());
}
try {
await api.post(`/admin/events/${eventId}/upload`, formData, {
onUploadProgress: (progressEvent) => {
if (progressEvent.total) {
// Calculate overall progress across all chunks
const chunkProgress = progressEvent.loaded / progressEvent.total;
const overallProgress = ((chunkIndex + chunkProgress) / chunks.length) * 100;
setUploadProgress(Math.round(overallProgress));
}
},
});
totalUploaded += chunk.length;
} catch (error: any) {
console.error(`Error uploading chunk ${chunkIndex + 1}:`, error);
failedFiles.push(...chunk.map(f => f.name));
// Continue with next chunk even if one fails
continue;
}
}
// Clear selected files
setSelectedFiles([]);
if (fileInputRef.current) {
fileInputRef.current.value = '';
}
// Show appropriate message
if (failedFiles.length === 0) {
toast.success(t('upload.uploadComplete') || `Successfully uploaded ${totalUploaded} files`);
} else {
toast.warning(
t('upload.someFilesFailed') ||
`Uploaded ${totalUploaded} files. ${failedFiles.length} files failed.`
);
}
// Call callback
if (onUploadComplete) {
onUploadComplete();
}
} catch (error: any) {
console.error('Upload error:', error);
toast.error(error.response?.data?.error || t('toast.uploadError'));
} finally {
setIsUploading(false);
setUploadProgress(0);
setCurrentChunk(0);
setTotalChunks(0);
}
};
const formatFileSize = (bytes: number) => {
if (bytes < 1024) return bytes + ' B';
if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + ' KB';
return (bytes / (1024 * 1024)).toFixed(1) + ' MB';
};
return (
<div className="space-y-4">
{/* Category Selection */}
<div>
<label className="block text-sm font-medium text-neutral-700 mb-2">
{t('upload.photoCategory')}
</label>
<select
value={selectedCategoryId || ''}
onChange={(e) => setSelectedCategoryId(e.target.value ? Number(e.target.value) : null)}
className="w-full px-3 py-2 border border-neutral-300 rounded-lg focus:ring-2 focus:ring-primary-500"
>
<option value="">{t('upload.noCategory')}</option>
{categories.map((category) => (
<option key={category.id} value={category.id}>
{category.name} {!category.is_global && t('upload.eventSpecific')}
</option>
))}
</select>
</div>
{/* File Input Area */}
<div
className={clsx(
"border-2 border-dashed rounded-lg p-8 text-center transition-colors",
"hover:border-primary-400 hover:bg-primary-50/50",
selectedFiles.length > 0 ? "border-primary-400 bg-primary-50/30" : "border-neutral-300"
)}
onClick={() => fileInputRef.current?.click()}
>
<Upload className="w-12 h-12 mx-auto text-neutral-400 mb-4" />
<p className="text-neutral-700 font-medium mb-1">
{t('upload.clickToUpload')}
</p>
<p className="text-sm text-neutral-500">
{t('upload.fileRequirements')}
</p>
<input
ref={fileInputRef}
type="file"
multiple
accept="image/jpeg,image/png,image/webp"
onChange={handleFileSelect}
className="hidden"
/>
</div>
{/* Selected Files */}
{selectedFiles.length > 0 && (
<div className="space-y-2">
<p className="text-sm font-medium text-neutral-700">
{t('upload.selectedFiles')} ({selectedFiles.length})
</p>
<div className="max-h-48 overflow-y-auto space-y-2">
{selectedFiles.map((file, index) => (
<div
key={index}
className="flex items-center justify-between p-2 bg-neutral-50 rounded-lg"
>
<div className="flex items-center gap-3">
<Image className="w-5 h-5 text-neutral-400" />
<div>
<p className="text-sm font-medium text-neutral-700 truncate max-w-xs">
{file.name}
</p>
<p className="text-xs text-neutral-500">
{formatFileSize(file.size)}
</p>
</div>
</div>
<button
onClick={(e) => {
e.stopPropagation();
removeFile(index);
}}
className="p-1 hover:bg-neutral-200 rounded"
>
<X className="w-4 h-4" />
</button>
</div>
))}
</div>
</div>
)}
{/* Upload Button */}
<div className="flex justify-end">
<Button
variant="primary"
onClick={handleUpload}
disabled={selectedFiles.length === 0 || isUploading}
leftIcon={isUploading ? <Loader2 className="w-4 h-4 animate-spin" /> : <Upload className="w-4 h-4" />}
>
{isUploading ? t('upload.uploading') : t('common.upload') + ` ${selectedFiles.length} ${t(selectedFiles.length === 1 ? 'common.photo' : 'common.photos')}`}
</Button>
</div>
{/* Progress Bar */}
{isUploading && (
<div className="mt-4">
<div className="flex justify-between text-sm text-neutral-600 mb-1">
<span>
{t('upload.uploading')}
{totalChunks > 1 && ` (${t('common.chunk')} ${currentChunk}/${totalChunks})`}
</span>
<span>{uploadProgress}%</span>
</div>
<div className="w-full bg-neutral-200 rounded-full h-2">
<div
className="bg-primary-600 h-2 rounded-full transition-all duration-300"
style={{ width: `${uploadProgress}%` }}
/>
</div>
{totalChunks > 1 && (
<p className="text-xs text-neutral-500 mt-1">
{t('upload.uploadingChunks', { count: selectedFiles.length, total: totalChunks })}
</p>
)}
</div>
)}
</div>
);
};
PhotoUpload.displayName = 'PhotoUpload';