FEAT: NEW WORKFLOW ENGINE (#3160)

Co-authored-by: Joel <iamjoel007@gmail.com>
Co-authored-by: Yeuoly <admin@srmxy.cn>
Co-authored-by: JzoNg <jzongcode@gmail.com>
Co-authored-by: StyleZhang <jasonapring2015@outlook.com>
Co-authored-by: jyong <jyong@dify.ai>
Co-authored-by: nite-knite <nkCoding@gmail.com>
Co-authored-by: jyong <718720800@qq.com>

web/app/components/workflow/nodes/knowledge-retrieval/panel.tsx

@@ -0,0 +1,165 @@
+import type { FC } from 'react'
+import React from 'react'
+import { useTranslation } from 'react-i18next'
+import VarReferencePicker from '../_base/components/variable/var-reference-picker'
+import useConfig from './use-config'
+import RetrievalConfig from './components/retrieval-config'
+import AddKnowledge from './components/add-dataset'
+import DatasetList from './components/dataset-list'
+import type { KnowledgeRetrievalNodeType } from './types'
+import Field from '@/app/components/workflow/nodes/_base/components/field'
+import Split from '@/app/components/workflow/nodes/_base/components/split'
+import OutputVars, { VarItem } from '@/app/components/workflow/nodes/_base/components/output-vars'
+import { InputVarType, type NodePanelProps } from '@/app/components/workflow/types'
+import BeforeRunForm from '@/app/components/workflow/nodes/_base/components/before-run-form'
+import ResultPanel from '@/app/components/workflow/run/result-panel'
+
+const i18nPrefix = 'workflow.nodes.knowledgeRetrieval'
+
+const Panel: FC<NodePanelProps<KnowledgeRetrievalNodeType>> = ({
+  id,
+  data,
+}) => {
+  const { t } = useTranslation()
+
+  const {
+    readOnly,
+    inputs,
+    handleQueryVarChange,
+    filterVar,
+    handleModelChanged,
+    handleCompletionParamsChange,
+    handleRetrievalModeChange,
+    handleMultipleRetrievalConfigChange,
+    selectedDatasets,
+    handleOnDatasetsChange,
+    isShowSingleRun,
+    hideSingleRun,
+    runningStatus,
+    handleRun,
+    handleStop,
+    query,
+    setQuery,
+    runResult,
+  } = useConfig(id, data)
+
+  return (
+    <div className='mt-2'>
+      <div className='px-4 pb-4 space-y-4'>
+        {/* {JSON.stringify(inputs, null, 2)} */}
+        <Field
+          title={t(`${i18nPrefix}.queryVariable`)}
+        >
+          <VarReferencePicker
+            nodeId={id}
+            readonly={readOnly}
+            isShowNodeName
+            value={inputs.query_variable_selector}
+            onChange={handleQueryVarChange}
+            filterVar={filterVar}
+          />
+        </Field>
+
+        <Field
+          title={t(`${i18nPrefix}.knowledge`)}
+          operations={
+            <div className='flex items-center space-x-1'>
+              <RetrievalConfig
+                payload={{
+                  retrieval_mode: inputs.retrieval_mode,
+                  multiple_retrieval_config: inputs.multiple_retrieval_config,
+                  single_retrieval_config: inputs.single_retrieval_config,
+                }}
+                onRetrievalModeChange={handleRetrievalModeChange}
+                onMultipleRetrievalConfigChange={handleMultipleRetrievalConfigChange}
+                singleRetrievalModelConfig={inputs.single_retrieval_config?.model}
+                onSingleRetrievalModelChange={handleModelChanged as any}
+                onSingleRetrievalModelParamsChange={handleCompletionParamsChange}
+                readonly={readOnly}
+              />
+              {!readOnly && (<div className='w-px h-3 bg-gray-200'></div>)}
+              {!readOnly && (
+                <AddKnowledge
+                  selectedIds={inputs.dataset_ids}
+                  onChange={handleOnDatasetsChange}
+                />
+              )}
+            </div>
+          }
+        >
+          <DatasetList
+            list={selectedDatasets}
+            onChange={handleOnDatasetsChange}
+            readonly={readOnly}
+          />
+        </Field>
+      </div>
+
+      <Split />
+      <div className='px-4 pt-4 pb-2'>
+        <OutputVars>
+          <>
+            <VarItem
+              name='result'
+              type='Array[Object]'
+              description={t(`${i18nPrefix}.outputVars.output`)}
+              subItems={[
+                {
+                  name: 'content',
+                  type: 'string',
+                  description: t(`${i18nPrefix}.outputVars.content`),
+                },
+                // url, title, link like bing search reference result: link, link page title, link page icon
+                {
+                  name: 'title',
+                  type: 'string',
+                  description: t(`${i18nPrefix}.outputVars.title`),
+                },
+                {
+                  name: 'url',
+                  type: 'string',
+                  description: t(`${i18nPrefix}.outputVars.url`),
+                },
+                {
+                  name: 'icon',
+                  type: 'string',
+                  description: t(`${i18nPrefix}.outputVars.icon`),
+                },
+                {
+                  name: 'metadata',
+                  type: 'object',
+                  description: t(`${i18nPrefix}.outputVars.metadata`),
+                },
+              ]}
+            />
+
+          </>
+        </OutputVars>
+        {isShowSingleRun && (
+          <BeforeRunForm
+            nodeName={inputs.title}
+            onHide={hideSingleRun}
+            forms={[
+              {
+                inputs: [{
+                  label: t(`${i18nPrefix}.queryVariable`)!,
+                  variable: 'query',
+                  type: InputVarType.paragraph,
+                  required: true,
+                }],
+                values: { query },
+                onChange: keyValue => setQuery((keyValue as any).query),
+              },
+            ]}
+            runningStatus={runningStatus}
+            onRun={handleRun}
+            onStop={handleStop}
+            result={<ResultPanel {...runResult} showSteps={false} />}
+          />
+        )}
+      </div>
+    </div>
+  )
+}
+
+export default React.memo(Panel)