File size: 5,367 Bytes
a1aef88 | 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 | import { useState, useCallback } from 'react';
import { Upload, FileSpreadsheet, AlertTriangle } from 'lucide-react';
import { api } from '../../api/client';
import { useStore } from '../../store/useStore';
import { Panel } from '../common/Panel';
import { LoadingSpinner } from '../common/LoadingSpinner';
import { DataTable } from './DataTable';
import { FilterPanel } from './FilterPanel';
import type { ColumnStat, DataResponse } from '../../types';
export function DataExplorer() {
const { data, columnStats, setData, dataLoaded } = useStore();
const [loading, setLoading] = useState(false);
const [error, setError] = useState<string | null>(null);
const [activeData, setActiveData] = useState<DataResponse | null>(null);
const [activeStats, setActiveStats] = useState<ColumnStat[]>([]);
const displayData = activeData ?? data;
const displayStats = activeStats.length > 0 ? activeStats : columnStats;
const handleUpload = async (e: React.ChangeEvent<HTMLInputElement>) => {
const file = e.target.files?.[0];
if (!file) return;
setLoading(true);
setError(null);
try {
const res = await api.uploadFile(file);
setData(res.data, res.column_stats);
setActiveData(null);
setActiveStats([]);
} catch (err: unknown) {
setError(err instanceof Error ? err.message : 'Upload failed');
} finally {
setLoading(false);
}
};
const handleFilter = useCallback(
async (
filters: {
column: string;
type: string;
values?: string[];
min_val?: number;
max_val?: number;
pattern?: string;
}[]
) => {
if (filters.length === 0) {
setActiveData(null);
setActiveStats([]);
setError(null);
return;
}
setLoading(true);
setError(null);
try {
const res = await api.filterData(filters);
setActiveData(res.data);
setActiveStats(res.column_stats);
} catch (err: unknown) {
setError(err instanceof Error ? err.message : 'Filtering failed');
} finally {
setLoading(false);
}
},
[]
);
return (
<div className="space-y-4">
<div className="flex flex-wrap items-center gap-3">
<label className="flex cursor-pointer items-center gap-2 rounded-md border border-border bg-surface px-4 py-2 text-sm text-text-primary transition-colors hover:border-purple hover:bg-elevated">
<Upload className="h-4 w-4 text-purple" />
Upload Files
<input type="file" accept=".csv,.xlsx,.xls,.json" onChange={handleUpload} className="hidden" />
</label>
{dataLoaded && displayData && (
<div className="ml-auto flex items-center gap-3 text-xs text-text-muted">
<FileSpreadsheet className="h-4 w-4" />
<span>
{displayData.returned_rows.toLocaleString()} / {displayData.total_rows.toLocaleString()} rows
</span>
<span>{displayData.columns.length} columns</span>
</div>
)}
</div>
{error && (
<div className="flex items-center gap-2 rounded-md border border-danger/30 bg-danger/10 px-4 py-2.5 text-sm text-danger">
<AlertTriangle className="h-4 w-4" /> {error}
</div>
)}
{loading && <LoadingSpinner text="Processing data..." />}
{/* Filters */}
{dataLoaded && displayStats.length > 0 && (
<FilterPanel columns={displayStats} onApply={handleFilter} />
)}
{/* Column Stats */}
{dataLoaded && displayStats.length > 0 && (
<Panel title="Column Statistics" subtitle={`${displayStats.length} columns`}>
<div className="grid grid-cols-2 gap-2 sm:grid-cols-3 lg:grid-cols-4 xl:grid-cols-6">
{displayStats.map((col) => (
<div
key={col.name}
className="rounded border border-border/50 bg-raised p-2.5"
>
<p className="truncate text-xs font-medium text-text-primary" title={col.name}>
{col.name}
</p>
<p className="mt-0.5 text-[10px] text-text-muted">
{col.dtype} | {col.unique} unique
</p>
{col.top_values && col.top_values.length > 0 && (
<div className="mt-1.5 space-y-0.5">
{col.top_values.slice(0, 3).map((tv) => (
<div key={tv.value} className="flex items-center gap-1">
<div
className="h-1 rounded-full bg-accent/60"
style={{
width: `${Math.min(100, (tv.count / (col.non_null || 1)) * 100)}%`,
}}
/>
<span className="whitespace-nowrap text-[9px] text-text-muted">
{tv.value.slice(0, 15)}
</span>
</div>
))}
</div>
)}
</div>
))}
</div>
</Panel>
)}
{/* Data Table */}
{dataLoaded && displayData && (
<Panel title="Data View" noPad>
<DataTable data={displayData} maxHeight="calc(100vh - 420px)" />
</Panel>
)}
</div>
);
}
|