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d97b8f9 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 | import React, { useState, useEffect } from "react";
import { Button } from "@/components/ui/button";
import {
Download,
X,
Maximize,
Minimize,
AlertCircle,
Loader2,
Info
} from "lucide-react";
import { toast } from "sonner";
import { Attachment, attachmentApi } from '@/services/attachmentApi';
import { cn } from '@/lib/utils';
import CustomDialog from '@/components/CustomDialog';
interface AttachmentViewerDialogProps {
isOpen: boolean;
onClose: () => void;
attachment: Attachment | null;
onDownload: (attachment: Attachment) => void;
}
const AttachmentViewerDialog: React.FC<AttachmentViewerDialogProps> = ({
isOpen,
onClose,
attachment,
onDownload
}) => {
const [fileUrl, setFileUrl] = useState<string | null>(null);
const [isLoading, setIsLoading] = useState(false);
const [error, setError] = useState<string | null>(null);
const [isFullscreen, setIsFullscreen] = useState(false);
useEffect(() => {
const loadFile = async () => {
if (!attachment || !isOpen) return;
setIsLoading(true);
setError(null);
try {
// Use the attachmentApi directly to download the file
const result = await attachmentApi.download(attachment.attachmentId);
const objectUrl = URL.createObjectURL(result.blob);
setFileUrl(objectUrl);
} catch (err) {
console.error('Error loading file:', err);
setError('Failed to load the file for preview. Please try downloading instead.');
} finally {
setIsLoading(false);
}
};
loadFile();
// Cleanup function to revoke the object URL when component unmounts or dialog closes
return () => {
if (fileUrl) {
URL.revokeObjectURL(fileUrl);
setFileUrl(null);
}
};
}, [attachment, isOpen]);
const toggleFullscreen = () => {
setIsFullscreen(!isFullscreen);
};
const handleDownload = () => {
if (attachment) {
onDownload(attachment);
}
};
const isImage = attachment?.fileType?.startsWith('image/') || attachment?.fileName?.match(/\.(jpg|jpeg|png|gif|bmp|webp)$/i);
const isPdf = attachment?.fileType === 'application/pdf' || attachment?.fileName?.endsWith('.pdf');
const isText = attachment?.fileType?.startsWith('text/') || attachment?.fileName?.match(/\.(txt|md|rtf|json|xml|html|css|js|ts)$/i);
return (
<CustomDialog
isOpen={isOpen}
onClose={onClose}
title={attachment?.fileName || 'File Preview'}
description={attachment?.fileType || ''}
allowClose={true}
>
<div className={cn("flex flex-col", isFullscreen && "w-full h-full")}>
<div className="flex flex-col mb-3">
<div className="flex justify-between items-center">
<div className="text-xs text-muted-foreground">
{attachment?.createdBy && <span>Added by {attachment.createdBy}</span>}
{attachment?.createdAt && attachment?.createdBy && <span> · </span>}
{attachment?.createdAt &&
<span>
{new Date(attachment.createdAt).toLocaleDateString(undefined, {
year: 'numeric',
month: 'short',
day: 'numeric',
hour: '2-digit',
minute: '2-digit'
})}
</span>
}
</div>
<Button
variant="outline"
size="icon"
onClick={toggleFullscreen}
className="h-8 w-8"
>
{isFullscreen ? <Minimize className="h-4 w-4" /> : <Maximize className="h-4 w-4" />}
</Button>
</div>
{/* File description */}
{attachment?.description && (
<div className="mt-2 text-sm flex items-start gap-2 bg-accent/50 p-2 rounded-md">
<Info className="h-4 w-4 text-muted-foreground mt-0.5 flex-shrink-0" />
<p className="text-sm text-muted-foreground">{attachment.description}</p>
</div>
)}
</div>
<div className={cn(
"flex-1 overflow-auto flex items-center justify-center rounded-md border bg-muted",
isFullscreen ? "w-full h-[85vh]" : "h-[70vh]"
)}>
{isLoading ? (
<div className="flex flex-col items-center justify-center p-8 text-center">
<Loader2 className="h-8 w-8 animate-spin text-primary mb-4" />
<p className="text-sm text-muted-foreground">Loading preview...</p>
</div>
) : error ? (
<div className="flex flex-col items-center justify-center p-8 text-center">
<AlertCircle className="h-8 w-8 text-destructive mb-4" />
<p className="text-sm text-destructive">{error}</p>
</div>
) : fileUrl && isImage ? (
<img
src={fileUrl}
alt={attachment?.fileName || 'Image preview'}
className="max-w-full max-h-full object-contain"
/>
) : fileUrl && isPdf ? (
<iframe
src={fileUrl}
title={attachment?.fileName || 'PDF preview'}
className="w-full h-full"
style={{ minHeight: isFullscreen ? '85vh' : '70vh' }}
/>
) : fileUrl && isText ? (
<iframe
src={fileUrl}
title={attachment?.fileName || 'Text preview'}
className="w-full h-full bg-white"
/>
) : (
<div className="flex flex-col items-center justify-center p-8 text-center">
<AlertCircle className="h-8 w-8 text-amber-500 mb-4" />
<p className="text-sm text-muted-foreground">Preview not available for this file type</p>
<Button
onClick={handleDownload}
variant="outline"
className="mt-4 flex items-center gap-2"
>
<Download className="h-4 w-4" />
Download to view
</Button>
</div>
)}
</div>
<div className="flex justify-end gap-2 mt-4">
<Button
onClick={handleDownload}
className="flex items-center gap-2"
>
<Download className="h-4 w-4" />
Download
</Button>
<Button
variant="outline"
onClick={onClose}
>
Close
</Button>
</div>
</div>
</CustomDialog>
);
};
export default AttachmentViewerDialog; |