All files / layers / L2R / surfaces CrudSurface.tsx

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import { useCallback, useEffect, useState, type ReactNode } from 'react'
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 Eif (!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}>&#x24D8;</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-${field}`}
              className="size-4 cursor-pointer"
            />
            {' '}{fieldConfig?.title ?? field}
          </label>
        )
      case 'entity-select':
        Iif (!entitySelectDataField) return <p>Missing entitySelectData</p>
        return (
          <EntitySelectField
            data={entitySelectDataField}
            value={value}
            onChange={(v) => updateField?.(field, v)}
            disabled={!isEditable}
          />
        )
      case 'kv-editor':
        Eif (isEditable) {
          return (
            <KeyValueEditor
              value={(value as Record<string, string>) ?? {}}
              onChange={(v) => updateField?.(field, v)}
              readOnly={!isEditable}
            />
          )
        }
        return (
          <div className="mt-2">
            <KeyValueEditor
              value={(value as Record<string, string>) ?? {}}
              onChange={() => {}}
              readOnly
            />
          </div>
        )
      default:
        return (
          <input
            id={`field-${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 Eif (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
      Iif (error) hasError = true
    }
    setErrors(newErrors)
    Eif (!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)
            Eif (blocker.state === 'blocked') blocker.proceed()
          }}
          onKeepEditing={() => {
            setShowBlockerDiscard(false)
            Eif (blocker.state === 'blocked') blocker.reset()
          }}
        />
      )}
    </>
  )
}
 
export {
  type CrudSurfaceProps,
  type CoordinatorSnapshot,
  type CrudVisualOverrides,
  type FieldPolicy,
}