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| 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 | 2x 116x 116x 116x 74x 3x 74x 116x 59x 116x 6x 6x 1x 6x 116x 116x 116x 16x 377x 377x 6x 3x 348x | /**
* FilterSidebar Component (Story 4.2 - Task 2b)
*
* Desktop filter sidebar for archive browsing
* Handles time period, topic, search, and sort filters
*/
import { useState, useEffect } from 'react';
import { useTranslation } from 'react-i18next';
import type { ArchiveFilters } from '@/types/event.types';
import type { Topic } from '@/types/topic.types';
interface FilterSidebarProps {
filters: ArchiveFilters;
topics: Topic[];
onFilterChange: (filters: ArchiveFilters) => void;
onClearFilters: () => void;
onSortChange: (sort: string) => void;
currentSort: string;
loading?: boolean;
}
const SORT_OPTIONS = [
{ value: '-date', label: 'archive.sort.newest' },
{ value: 'date', label: 'archive.sort.oldest' },
{ value: '-attendance', label: 'archive.sort.mostAttended' },
];
export function FilterSidebar({
filters,
topics,
onFilterChange,
onClearFilters,
onSortChange,
currentSort,
loading = false,
}: FilterSidebarProps) {
const { t } = useTranslation();
const [searchValue, setSearchValue] = useState(filters.search || '');
// Debounce search input (300ms)
useEffect(() => {
const timer = setTimeout(() => {
onFilterChange({ ...filters, search: searchValue });
}, 300);
return () => clearTimeout(timer);
// eslint-disable-next-line react-hooks/exhaustive-deps -- intentional: debounce fires only on searchValue change
}, [searchValue]);
// Sync search value with filters prop
useEffect(() => {
setSearchValue(filters.search || '');
}, [filters.search]);
const handleTopicToggle = (topicCode: string) => {
const currentTopics = filters.topics || [];
const newTopics = currentTopics.includes(topicCode)
? currentTopics.filter((t) => t !== topicCode)
: [...currentTopics, topicCode];
onFilterChange({ ...filters, topics: newTopics });
};
const hasActiveFilters =
(filters.topics && filters.topics.length > 0) || (filters.search && filters.search.length > 0);
// Count active filters
const activeFilterCount =
(filters.topics?.length || 0) + (filters.search && filters.search.length > 0 ? 1 : 0);
return (
<aside
className="space-y-6"
role="complementary"
aria-label={t('filters.ariaLabel')}
data-testid="filter-sidebar"
>
{/* Header */}
<div className="flex items-center justify-between">
<div>
<h2 className="text-lg font-semibold">{t('archive.filters.title')}</h2>
{activeFilterCount > 0 && (
<p className="text-xs text-muted-foreground mt-1">
{t('archive.filters.activeCount', { count: activeFilterCount })}
</p>
)}
</div>
<button
onClick={onClearFilters}
disabled={!hasActiveFilters}
className="text-sm text-primary hover:text-primary/80 disabled:text-muted-foreground disabled:cursor-not-allowed"
data-testid="clear-filters"
>
{t('archive.filters.clearAll')}
</button>
</div>
{/* Search */}
<div>
<input
type="text"
placeholder={t('archive.filters.search')}
value={searchValue}
onChange={(e) => setSearchValue(e.target.value)}
className="w-full px-3 py-2 border border-border rounded-md focus:outline-none focus:ring-2 focus:ring-ring bg-background text-foreground placeholder:text-muted-foreground"
data-testid="search-input"
/>
</div>
{/* Topics */}
<div data-testid="topic-filter">
<h3 className="text-sm font-medium text-foreground mb-2">{t('archive.filters.topics')}</h3>
<div className="space-y-2">
{loading ? (
<div className="text-sm text-muted-foreground">{t('archive.loadingTopics')}</div>
) : topics.length === 0 ? (
<div className="text-sm text-muted-foreground">{t('archive.noTopicsAvailable')}</div>
) : (
topics.map((topic) => {
const isChecked = filters.topics?.includes(topic.topicCode) || false;
return (
<label key={topic.topicCode} className="flex items-center cursor-pointer">
<input
type="checkbox"
checked={isChecked}
onChange={() => handleTopicToggle(topic.topicCode)}
aria-label={`${topic.title} (${topic.usageCount})`}
data-testid={`topic-checkbox-${topic.topicCode}`}
className="h-4 w-4 text-primary focus:ring-ring border-border rounded"
/>
<span className="ml-2 text-sm text-foreground">
{topic.title} ({topic.usageCount})
</span>
</label>
);
})
)}
</div>
</div>
{/* Sort */}
<div>
<label htmlFor="sort-select" className="block text-sm font-medium text-foreground mb-2">
{t('labels.sortBy')}
</label>
<select
id="sort-select"
data-testid="sort-select"
value={currentSort}
onChange={(e) => onSortChange(e.target.value)}
aria-label={t('labels.sortBy')}
className="w-full px-3 py-2 border border-border rounded-md focus:outline-none focus:ring-2 focus:ring-ring bg-background text-foreground"
>
{SORT_OPTIONS.map((option) => (
<option key={option.value} value={option.value}>
{t(option.label)}
</option>
))}
</select>
</div>
</aside>
);
}
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