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import { useBlocker } from 'react-router-dom'
import type {
CrudSurfaceProps,
CoordinatorSnapshot,
CrudVisualOverrides,
FieldPolicy,
CrudFieldType,
CrudFieldConfig,
CrudFieldValidation,
EntitySelectOptionData,
} from '../../interfaces'
import { CrudModal } from '@/shared/components/CrudModal'
import { DiscardDialog } from '@/shared/components/DiscardDialog'
import { OfflineIndicator } from '../offline/OfflineIndicator'
import { EntitySelect } from '@/shared/components/EntitySelect'
import { KeyValueEditor } from '@/shared/components/KeyValueEditor'
import type { OfflineState } from '../../interfaces'
import { Button } from '@/components/ui/button'
export interface CrudSurfaceExtendedProps<TForm> extends CrudSurfaceProps<TForm> {
offlineState: OfflineState
}
function ErrorFragment({ failure, overrides }: { failure: CoordinatorSnapshot<unknown>['failure']; overrides?: CrudVisualOverrides }): ReactNode {
if (overrides?.fragments?.error) return overrides.fragments.error
return (
<div data-testid="crud-error" className="py-8 text-center text-sm text-destructive">
<p>{failure ? String(failure.cause) : 'Unknown error'}</p>
{failure && (
<Button variant="outline" size="sm" data-testid="retry-button" onClick={failure.retry}>
Retry
</Button>
)}
</div>
)
}
function LoadingFragment({ overrides }: { overrides?: CrudVisualOverrides }): ReactNode {
I if (overrides?.fragments?.loading) return overrides.fragments.loading
return <div data-testid="crud-loading" className="flex flex-col gap-3 py-8">Loading...</div>
}
function EntitySelectField({
data,
value,
onChange,
disabled,
}: {
data: EntitySelectOptionData
value: unknown
onChange?: (val: unknown) => void
disabled: boolean
}) {
return (
<EntitySelect
options={data.options}
value={value as string | undefined}
onChange={(v) => onChange?.(v)}
disabled={disabled}
isLoading={data.isLoading}
/>
)
}
function validateField(value: unknown, validation?: CrudFieldValidation): string | null {
E if (!validation) return null
if (validation.required) {
const str = typeof value === 'string' ? value.trim() : String(value ?? '').trim()
if (!str) return 'This field is required'
}
if (typeof value === 'string') {
if (validation.minLength && value.length < validation.minLength) {
return `Minimum ${validation.minLength} characters`
}
if (validation.maxLength && value.length > validation.maxLength) {
return `Maximum ${validation.maxLength} characters`
}
if (validation.pattern) {
const regex = new RegExp(validation.pattern)
if (!regex.test(value)) return validation.patternMessage ?? 'Invalid format'
}
}
return null
}
I
function renderField(
field: string,
value: unknown,
policy: FieldPolicy[string] | undefined,
updateField: ((field: string, value: unknown) => void) | undefined,
fieldType: CrudFieldType | undefined,
entitySelectDataField: EntitySelectOptionData | undefined,
pending: boolean,
fieldConfig?: CrudFieldConfig,
error?: string | null,
) {
const isVisible = policy?.visible !== false
const isEditable = policy?.editable !== false && !pending
if (!isVisible) return null
const labelText = fieldConfig?.title ?? field
const label = (
<label htmlFor={`field-${field}`} className="text-sm font-medium mb-1 block">
{labelText}
{fieldConfig?.tooltip && (
<span className="ml-1 cursor-help" title={fieldConfig.tooltip}>ⓘ</span>
)}
</label>
)
const input = (() => {
switch (fieldType) {
case 'textarea':
return (
<textarea
id={`field-${field}`}
value={String(value ?? '')}
onChange={(e) => updateField?.(field, e.target.value)}
disabled={!isEditable}
data-testid={`crud-input-${field}`}
className="flex min-h-[5rem] w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:opacity-50"
/>
)
case 'password':
return (
<input
id={`field-${field}`}
type="password"
value={String(value ?? '')}
onChange={(e) => updateField?.(field, e.target.value)}
disabled={!isEditable}
placeholder="••••••••"
data-testid={`crud-input-${field}`}
className="flex h-9 w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:opacity-50"
/>
)
case 'checkbox':
return (
<label className="flex items-center gap-2">
<input
type="checkbox"
checked={!!value}
onChange={(e) => updateField?.(field, e.target.checked)}
disabled={!isEditable}
data-testid={`crud-input-${field}`}
className="size-4 cursor-pointer"
/>
{' '}{fieldConfig?.title ?? field}
</label>
)
case 'entity-select':
if (!entitySelectDataField) return <p>Missing entitySelectData</p>
return (
<EntitySelectField
data={entitySelectDataField}
value={value}
onChange={(v) => updateField?.(field, v)}
disabled={!isEditable}
/>
)
case 'kv-editor':
if (isEditable) {
return (
<KeyValueEditor
value={(value as Record<string, string>) ?? {}}
onChange={(v) => updateField?.(field, v)}
readOnly={!isEditable}
/>
)
}
return (
<div className="mt-2">
<KeyValueEditor
value={(value as Record<string, string>) ?? {}}
onChange={() => {}}
readOnly
/>
</div>
)
default:
return (
<input
id={`field-${field}`}
type="text"
value={String(value ?? '')}
onChange={(e) => updateField?.(field, e.target.value)}
disabled={!isEditable}
readOnly={!isEditable}
data-testid={`crud-input-${field}`}
className="flex h-9 w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:opacity-50"
/>
)
}
})()
if (fieldType === 'checkbox') return (
<div key={field} data-testid={`crud-field-${field}`}>
{input}
{fieldConfig?.description && <p className="mt-1 text-xs text-muted-foreground">{fieldConfig.description}</p>}
{error && <p className="mt-1 text-xs text-destructive" data-testid={`crud-error-${field}`}>{error}</p>}
</div>
)
return (
<div key={field} data-testid={`crud-field-${field}`}>
{label}
{input}
{fieldConfig?.description && <p className="mt-1 text-xs text-muted-foreground">{fieldConfig.description}</p>}
{error && <p className="mt-1 text-xs text-destructive" data-testid={`crud-error-${field}`}>{error}</p>}
</div>
)
}
export function CrudSurface<TForm>({
coordinatorSnapshot,
I onClose,
onSuccess,
overrides,
offlineState,
updateField,
cancel,
fieldTypes,
fieldConfigs,
entitySelectData,
}: CrudSurfaceExtendedProps<TForm> & {
updateField?: (field: string, value: unknown) => void
cancel?: () => void
fieldTypes?: Record<string, CrudFieldType>
fieldConfigs?: Record<string, CrudFieldConfig>
entitySelectData?: Record<string, EntitySelectOptionData>
}) {
const { closeIntent, failure, bridge, submit, activeCrud, formModel, fieldPolicy } = coordinatorSnapshot
const [showBlockerDiscard, setShowBlockerDiscard] = useState(false)
const [errors, setErrors] = useState<Record<string, string | null>>({})
const blocker = useBlocker(
({ currentLocation, nextLocation }) =>
!!activeCrud && bridge.dirty && !closeIntent && currentLocation.pathname !== nextLocation.pathname
)
useEffect(() => {
if (blocker.state === 'blocked') {
setShowBlockerDiscard(true)
}
}, [blocker.state])
useEffect(() => {
if (!closeIntent) return
if (closeIntent.type === 'success') {
onSuccess()
} else if (closeIntent.type === 'cancel') {
onClose()
}
}, [closeIntent, onSuccess, onClose])
const open = activeCrud !== null
const orderedFields = overrides?.fieldOrder ?? Object.keys(fieldPolicy)
const titleLabel = overrides?.labels?.title ?? (activeCrud?.mode === 'add' ? 'Create' : 'Edit')
const saveLabel = overrides?.labels?.save ?? 'Save'
const cancelLabel = overrides?.labels?.cancel ?? 'Cancel'
const handleFieldChange = useCallback((field: string, value: unknown) => {
updateField?.(field, value)
const config = fieldConfigs?.[field]
const error = validateField(value, config?.validation)
setErrors(prev => ({ ...prev, [field]: error }))
}, [updateField, fieldConfigs])
const handleSave = useCallback(() => {
const newErrors: Record<string, string | null> = {}
let hasError = false
for (const field of orderedFields) {
const value = (formModel as Record<string, unknown>)[field]
const config = fieldConfigs?.[field]
const error = validateField(value, config?.validation)
I newErrors[field] = error
if (error) hasError = true
}
setErrors(newErrors)
if (!hasError) submit()
}, [orderedFields, formModel, fieldConfigs, submit])
return (
<>E
<CrudModal
open={open}
title={titleLabel}
isDirty={bridge.dirty}
isPending={bridge.pending}
saveLabel={saveLabel}
cancelLabel={cancelLabel}
onClose={() => cancel?.()}
onSave={handleSave}
>
<OfflineIndicator state={offlineState} />
{failure && <ErrorFragment failure={failure} overrides={overrides} />}
{bridge.pending && !failure && <LoadingFragment overrides={overrides} />}
<form
data-testid="crud-form"
onSubmit={(e) => {
e.preventDefault()
handleSave()
}}
>
<fieldset disabled={bridge.pending} style={{ border: 'none', padding: 0, margin: 0 }}>
{orderedFields.map((field) =>
renderField(
field,
(formModel as Record<string, unknown>)[field],
fieldPolicy[field],
I handleFieldChange,
fieldTypes?.[field],
entitySelectData?.[field],
E bridge.pending,
fieldConfigs?.[field],
errors[field],
),
)}
</fieldset>
</form>
</CrudModal>
{showBlockerDiscard && (
<DiscardDialog
open={showBlockerDiscard}
onDiscard={() => {
setShowBlockerDiscard(false)
if (blocker.state === 'blocked') blocker.proceed()
}}
onKeepEditing={() => {
setShowBlockerDiscard(false)
if (blocker.state === 'blocked') blocker.reset()
}}
/>
)}
</>
)
}
export {
type CrudSurfaceProps,
type CoordinatorSnapshot,
type CrudVisualOverrides,
type FieldPolicy,
}
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