dify/web/app/components/workflow/nodes/data-source/panel.tsx

import type { FC } from 'react'
import {
  useMemo,
} from 'react'
import { useTranslation } from 'react-i18next'
import { memo } from 'react'
import type { DataSourceNodeType } from './types'
import { CollectionType } from '@/app/components/tools/types'
import type { NodePanelProps } from '@/app/components/workflow/types'
import {
  Field,
  GroupWithBox,
} from '@/app/components/workflow/nodes/_base/components/layout'
import OutputVars, { VarItem } from '@/app/components/workflow/nodes/_base/components/output-vars'
import StructureOutputItem from '@/app/components/workflow/nodes/_base/components/variable/object-child-tree-panel/show'
import TagInput from '@/app/components/base/tag-input'
import { Type } from '../llm/types'
import { useConfig } from './hooks/use-config'

const Panel: FC<NodePanelProps<DataSourceNodeType>> = ({ id, data }) => {
  const { t } = useTranslation()
  const {
    output_schema = {},
    provider_id,
    provider_type,
    fileExtensions = [],
  } = data
  const { handleFileExtensionsChange } = useConfig(id)
  const outputSchema = useMemo(() => {
      const res: any[] = []
      if (!output_schema)
        return []
      Object.keys(output_schema.properties).forEach((outputKey) => {
        const output = output_schema.properties[outputKey]
        const type = output.type
        if (type === 'object') {
          res.push({
            name: outputKey,
            value: output,
          })
        }
        else {
          res.push({
            name: outputKey,
            type: output.type === 'array'
              ? `Array[${output.items?.type.slice(0, 1).toLocaleUpperCase()}${output.items?.type.slice(1)}]`
              : `${output.type.slice(0, 1).toLocaleUpperCase()}${output.type.slice(1)}`,
            description: output.description,
          })
        }
      })
      return res
    }, [output_schema])
  const hasObjectOutput = useMemo(() => {
    if (!output_schema)
      return false
    const properties = output_schema.properties
    return Object.keys(properties).some(key => properties[key].type === 'object')
  }, [output_schema])

  return (
    <div >
      {
        provider_id === 'langgenius/file/file' && provider_type === CollectionType.datasource && (
          <GroupWithBox boxProps={{ withBorderBottom: true }}>
            <Field
              fieldTitleProps={{
                title: 'supported file formats',
              }}
            >
              <TagInput
                items={fileExtensions}
                onChange={handleFileExtensionsChange}
                placeholder='File extension, e.g. doc'
              />
            </Field>
          </GroupWithBox>
        )
      }
      <OutputVars>
        <VarItem
          name='text'
          type='string'
          description={t('workflow.nodes.tool.outputVars.text')}
          isIndent={hasObjectOutput}
        />
        <VarItem
          name='files'
          type='array[file]'
          description={t('workflow.nodes.tool.outputVars.files.title')}
          isIndent={hasObjectOutput}
        />
        <VarItem
          name='json'
          type='array[object]'
          description={t('workflow.nodes.tool.outputVars.json')}
          isIndent={hasObjectOutput}
        />
        {outputSchema.map((outputItem: any) => (
          <div key={outputItem.name}>
            {outputItem.value?.type === 'object' ? (
              <StructureOutputItem
                rootClassName='code-sm-semibold text-text-secondary'
                payload={{
                  schema: {
                    type: Type.object,
                    properties: {
                      [outputItem.name]: outputItem.value,
                    },
                    additionalProperties: false,
                  },
                }} />
            ) : (
              <VarItem
                name={outputItem.name}
                type={outputItem.type.toLocaleLowerCase()}
                description={outputItem.description}
                isIndent={hasObjectOutput}
              />
            )}
          </div>
        ))}
      </OutputVars>
    </div>
  )
}

export default memo(Panel)