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import type { ReactNode } from 'react'
import { useNavigate, useSearchParams, useLocation } from 'react-router-dom'
import { ArrowUp, ArrowDown } from 'lucide-react'
import {
useEntityList,
useSubscription,
resolveIdOf,
} from '../../../layers/L1/entityResolver'
import type { ListConfig, QueryParams, ListQueryOptions } from '../../interfaces'
import type { EntityPath } from '../../L1/contracts'
import { useFilterState } from '../../../shared/hooks/useFilterState'
import { FilterBar, type FilterDef, type FilterOption } from '../surfaces/FilterBar'
import { AgeCheckIndicator } from './AgeCheckIndicator'
import { Button } from '@/components/ui/button'
import {
Table,
TableHeader,
TableBody,
TableHead,
TableRow,
TableCell,
} from '@/components/ui/table'
const DEFAULT_PAGE_SIZE = 25
export interface DataTableProps {
config: ListConfig
filtersSlot?: ReactNode
filterDefs?: FilterDef[]
extra?: ReactNode
}
function EntitySourceResolver({
def,
onResolved,
}: {
def: FilterDef
onResolved: (key: string, options: FilterOption[]) => void
}) {
const src = def.entitySource!
const list = useEntityList(src.entityPath as EntityPath, {})
const options = useMemo<FilterOption[]>(() => {
const rows = (list.data ?? []) as Record<string, unknown>[]
const idField = src.idField ?? 'id'
I const nameField = src.nameField ?? 'name'
I return rows.map((row) => ({
E value: String(row[idField] ?? ''),
label: String(row[nameField] ?? ''),
}))
}, [list.data, src.idField, src.nameField])
useEffect(() => {
onResolved(def.key, options)
}, [def.key, options, onResolved])
return null
}
function compareValues(aVal: unknown, bVal: unknown, order: number): number {
Iif (aVal == null && bVal == null) return 0
Iif (aVal == null) return 1
Iif (bVal == null) return -1
Eif (typeof aVal === 'string' && typeof bVal === 'string') {
return aVal.localeCompare(bVal, undefined, { sensitivity: 'base' }) * order
}
if (typeof aVal === 'number' && typeof bVal === 'number') {
return (aVal - bVal) * order
}
return (
String(aVal).localeCompare(String(bVal), undefined, {
sensitivity: 'base',
}) * order
)
}
export function DataTable({ config, filtersSlot, filterDefs, extra }: DataTableProps) {
coEnst navigate = useNavigate()
const location = useLocation()
const [searchParams, setSearchParams] = useSearchParams()
const prefix = config.prefix ?? 'default'
const entityName = config.entityName ?? 'item'
const filterKeys = useMemo(() => {
return filterDefs?.map((d) => d.key) ?? []
}, [filterDefs])
Iconst sourceFilterDefs = useMemo(
() => (filterDefs ?? []).filter((d) => !!d.entitySource),
[filterDefs],
)
const [resolvedSourceOptions, setResolvedSourceOptions] = useState<Record<string, FilterOption[]>>({})
const handleResolved = useCallback((key: string, options: FilterOption[]) => {
setResolvedSourceOptions((prev) => {
const cur = prev[key]
if (cur && cur.length === options.length) {
let same = true
for (let i = 0; i < cur.length; i++) {
if (cur[i].value !== options[i].value || cur[i].label !== options[i].label) {
same = false
break
}
}
if (same) return prev
}
return { ...prev, [key]: options }
})
}, [])
const effectiveFilterDefs = useMemo<FilterDef[] | undefined>(() => {
if (!filterDefs) return undefined
Eif (sourceFilterDefs.length === 0) return filterDefs
return filterDefs.map((def) => {
if (!def.entitySource) return def
return { ...def, options: resolvedSourceOptions[def.key] ?? def.options }
})
}, [filterDefs, sourceFilterDefs, resolvedSourceOptions])
const filterState = useFilterState({
prefix,
keys: filterKeys,
defaults: { sort: config.sort?.field, order: config.sort?.order },
})
const sortField = searchParams.get(`${prefix}_sort`) ?? config.sort?.field ?? null
const sortOrder = searchParams.get(`${prefix}_order`) ?? config.sort?.order ?? null
const pageSize =
typeof config.fixedParams?.limit === 'number'
? config.fixedParams.limit
: DEFAULT_PAGE_SIZE
const offset = parseInt(searchParams.get(`${prefix}_offset`) ?? '0', 10)
const currentParams: QueryParams = useMemo(() => {
const params: QueryParams = {}
if (config.fixedParams) {
Object.assign(params, config.fixedParams)
}
if (sortField) params['sort'] = sortField
if (sortOrder) params['order'] = sortOrder
I params['offset'] = offset
params['limit'] = pageSize
for (const [key, value] of searchParams.entries()) {
if (
key.startsWith(`${prefix}_`) &&
key !== `${prefix}_sort` &&
key !== `${prefix}_order` &&
key !== `${prefix}_offset` &&
key !== `${prefix}_limit`
) {
const rawKey = key.slice(prefix.length + 1)
const def = filterDefs?.find((d) => d.key === rawKey)
const transformed = def?.toApiValue?.(value)
params[rawKey] = transformed ?? value
}
}
return params
}, [searchParams, sortField, sortOrder, prefix, config.fixedParams, offset, pageSize, filterDefs])
const idOf = useMemo(() => {
const fn = resolveIdOf(config.entityPath)
if (!fn) {
return (row: Record<string, unknown>) => (row.id as string) ?? ''
}
return fn
}, [config.entityPath])
const listOptions: ListQueryOptions | undefined = config.sse?.enabled ? { sseMode: true } : undefined
const l1Result = useEntityList(config.entityPath, currentParams, listOptions)
const data = l1Result.data
const isLoading = l1Result.isLoading
const error = l1Result.error
const total = l1Result.total
const refetch = l1Result.refetch
const handleSortClick = useCallback(
(field: string) => {
const key = `${prefix}_sort`
const orderKey = `${prefix}_order`
const offsetKey = `${prefix}_offset`
const currentField = searchParams.get(key)
const currentOrder = searchParams.get(orderKey)
const newParams = new URLSearchParams(searchParams)
newParams.delete(offsetKey)
if (currentField !== field) {
newParams.set(key, field)
newParams.set(orderKey, 'asc')
} else if (currentOrder === 'asc') {
newParams.set(orderKey, 'desc')
} else {
newParams.delete(key)
newParams.delete(orderKey)
}
setSearchParams(newParams)
},
[searchParams, setSearchParams, prefix],
)
const handleFilterChange = useCallback(
(key: string, value: string | string[] | undefined) => {
setSearchParams(
(prev) => {
const next = new URLSearchParams(prev)
next.delete(`${prefix}_offset`)
return next
},
{ replace: true },
)
filterState.setFilter(key, value)
},
[setSearchParams, prefix, filterState],
)
const handleFiltersClear = useCallback(() => {
setSearchParams(
(prev) => {
const next = new URLSearchParams(prev)
next.delete(`${prefix}_offset`)
return next
},
{ replace: true },
)
filterState.clearFilters()
}, [setSearchParams, prefix, filterState])
const sortedData = useMemo(() => {
if (!sortField) return data
const order = sortOrder === 'desc' ? -1 : 1
return [...data].sort((a, b) =>
compareValues(
(a as Record<string, unknown>)[sortField],
(b as Record<string, unknown>)[sortField],
order,
),
)
}, [data, sortField, sortOrder])
const hiddenColumns = new Set<string>()
I const visibleColumns = config.columns.filter((col) => !hiddenColumns.has(col.field))
const hasMore = l1Result.hasMore ?? (
total != null
? offset + sortedData.length < total
: sortedData.length >= pageSize
)
const hasActiveFilters = Object.values(filterState.filters).some(
(v) => v !== undefined && v !== '',
)
const handlePrev = useCallback(() => {
const newOffset = Math.max(0, offset - pageSize)
const newParams = new URLSearchParams(searchParams)
if (newOffset <= 0) {
newParams.delete(`${prefix}_offset`)
} else {
newParams.set(`${prefix}_offset`, String(newOffset))
}
setSIearchParams(newParams)
}, [searchParams, setSearchParams, prefix, offset, pageSize])
const handleNext = useCallback(() => {
const newOffset = offset + pageSize
const newParams = new URLSearchParams(searchParams)
newParams.set(`${prefix}_offset`, String(newOffset))
setSearchParams(newParams)
}, [searchParams, setSearchParams, prefix, offset, pageSize])
let content: ReactNode
if (error) {
content = <div data-testid="error-state" className="py-8 text-center text-sm text-destructive">{String(error)}</div>
} else if (isLoading) {
content = <div data-testid="loading-state" className="py-8 text-center">Loading...</div>
} else if (sortedData.length === 0 && hasActiveFilters) {
content = (
<div data-testid="filter-empty-state" className="py-6 text-center text-sm text-muted-foreground">
<p>No {entityName}s match current filters</p>
<Button variant="outline" size="sm" data-testid="clear-filters-btn" onClick={handleFiltersClear}>
Clear Filters
</Button>
</div>
)
} else if (sortedData.length === 0) {
content = <div data-testid="empty-state" className="py-8 text-center text-sm text-muted-foreground">No data</div>
} else {
content = (
<div data-testid="data-table-slot">
{filtersSlot && <div data-testid="filters-slot" className="mb-3">{filtersSlot}</div>}
<Table data-testid="data-table">
<TableHeader>
<TableRow>
{visibleColumns.map((col) => (
<TableHead
key={col.field}
data-testid={`col-header-${col.field}`}
onClick={
col.sortable ? () => handleSortClick(col.field) : undefined
}
className={col.sortable ? 'cursor-pointer select-none' : ''}
>
<span className="inline-flex items-center">
{col.label}
{sortField === col.field && sortOrder === 'asc' && <ArrowUp data-testid="sort-asc" className="ml-1 size-3 text-muted-foreground" />}
{sortField === col.field && sortOrder === 'desc' && <ArrowDown data-testid="sort-desc" className="ml-1 size-3 text-muted-foreground" />}
</span>
</TableHead>
))}
</TableRow>
</TableHeader>
<TableBody>
{sortedData.map((row) => {
const rec = row as Record<string, unknown>
const rowId = idOf(rec)
return (
<TableRow
key={rowId}
data-testid={`row-${rowId}`}
onClick={
config.rowTargetOverride
? () => config.rowTargetOverride!(rec)
: () => navigate((config.rowTarget ?? `${location.pathname.replace(/\/+$/, '')}/:id`).replace(':id', rowId))
}
className="cursor-pointer"
>
{visibleColumns.map((col) => (
<TableCell key={col.field}>
{col.render
? col.render(rec)
: String(rec[col.field] ?? '')}
</TableCell>
))}
</TableRow>
)
})}
</TableBody>
</Table>
<div data-testid="pagination-controls" className="flex items-center justify-between py-3 text-sm">
<Button
data-testid="pagination-prev"
variant="outline"
size="sm"
onClick={handlePrev}
disabled={offset <= 0}
>
Previous
</Button>
<span data-testid="pagination-offset" className="text-sm text-muted-foreground">
Showing {offset + 1}–{offset + sortedData.length}
{l1Result.totalEstimate != null && l1Result.totalEstimate >= 0
? ` of ${l1Result.totalEstimate}`
: total != null
? ` of ${total}`
: ''}
</span>
<Button
data-testid="pagination-next"
variant="outline"
size="sm"
onClick={handleNext}
disabled={!hasMore}
>
Next
</Button>
</div>
</div>
)
}
const headerBar = (
<div data-testid="data-table-header" className="mb-4">
<div className="flex items-center justify-between gap-2">
<div className="flex items-center gap-2">
{effectiveFilterDefs && effectiveFilterDefs.length > 0 && (
<FilterBar
filters={effectiveFilterDefs}
values={filterState.filters}
onChange={handleFilterChange}
onClear={handleFiltersClear}
/>
)}
{extra && (
<div data-testid="extra-action-buttons" className="flex items-center gap-2">
{extra}
</div>
)}
<Button variant="outline" size="sm" onClick={() => refetch()} data-testid="refresh-button">
Refresh
</Button>
</div>
{config.createTarget && (
<Button
data-testid="add-button"
onClick={() => navigate(config.createTarget!)}
className="mb-0"
>
{config.createLabel ?? 'Add new'}
</Button>
)}
</div>
</div>
)
const bodyContent = config.sse?.enabled ? (
<SseGuard entityPath={config.entityPath} params={currentParams}>
{content}
</SseGuard>
) : (
content
)
return (
<div data-testid="data-table-wrapper">
{sourceFilterDefs.map((def) => (
<EntitySourceResolver key={def.key} def={def} onResolved={handleResolved} />
))}
{headerBar}
<AgeCheckIndicator
entityPath={config.entityPath}
normalizedParams={currentParams}
onRefresh={() => refetch()}
>
{bodyContent}
</AgeCheckIndicator>
</div>
)
}
function SseGuard({
entityPath,
params,
children,
}: {
entityPath: EntityPath
params: QueryParams
children: ReactNode
}) {
const sse = useSubscription(entityPath, params)
if (sse.connectionState === 'lost') {
return (
<div>
<div data-testid="sse-connection-lost-banner" className="mb-2 rounded-md border bg-muted px-3 py-2 text-xs">
<p>Connection lost</p>
<Button size="sm" variant="outline" data-testid="sse-reconnect" onClick={sse.reconnect}>
Reconnect
</Button>
</div>
{children}
</div>
)
}
return <>{children}</>
}
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