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/code/use-config.ts

@@ -0,0 +1,169 @@
+import { useCallback, useEffect, useState } from 'react'
+import produce from 'immer'
+import useVarList from '../_base/hooks/use-var-list'
+import useOutputVarList from '../_base/hooks/use-output-var-list'
+import { BlockEnum, VarType } from '../../types'
+import type { Var } from '../../types'
+import { useStore } from '../../store'
+import type { CodeNodeType, OutputVar } from './types'
+import { CodeLanguage } from './types'
+import useNodeCrud from '@/app/components/workflow/nodes/_base/hooks/use-node-crud'
+import useOneStepRun from '@/app/components/workflow/nodes/_base/hooks/use-one-step-run'
+import { fetchNodeDefault } from '@/service/workflow'
+import { useStore as useAppStore } from '@/app/components/app/store'
+import {
+  useNodesReadOnly,
+} from '@/app/components/workflow/hooks'
+
+const useConfig = (id: string, payload: CodeNodeType) => {
+  const { nodesReadOnly: readOnly } = useNodesReadOnly()
+
+  const appId = useAppStore.getState().appDetail?.id
+
+  const [allLanguageDefault, setAllLanguageDefault] = useState<Record<CodeLanguage, CodeNodeType> | null>(null)
+  useEffect(() => {
+    if (appId) {
+      (async () => {
+        const { config: javaScriptConfig } = await fetchNodeDefault(appId, BlockEnum.Code, { code_language: CodeLanguage.javascript }) as any
+        const { config: pythonConfig } = await fetchNodeDefault(appId, BlockEnum.Code, { code_language: CodeLanguage.python3 }) as any
+        setAllLanguageDefault({
+          [CodeLanguage.javascript]: javaScriptConfig as CodeNodeType,
+          [CodeLanguage.python3]: pythonConfig as CodeNodeType,
+        } as any)
+      })()
+    }
+  }, [appId])
+
+  const defaultConfig = useStore(s => s.nodesDefaultConfigs)[payload.type]
+  const { inputs, setInputs } = useNodeCrud<CodeNodeType>(id, payload)
+  const { handleVarListChange, handleAddVariable } = useVarList<CodeNodeType>({
+    inputs,
+    setInputs,
+  })
+
+  const [outputKeyOrders, setOutputKeyOrders] = useState<string[]>([])
+  const syncOutputKeyOrders = useCallback((outputs: OutputVar) => {
+    setOutputKeyOrders(Object.keys(outputs))
+  }, [])
+  useEffect(() => {
+    if (inputs.code) {
+      if (inputs.outputs && Object.keys(inputs.outputs).length > 0)
+        syncOutputKeyOrders(inputs.outputs)
+
+      return
+    }
+
+    const isReady = defaultConfig && Object.keys(defaultConfig).length > 0
+    if (isReady) {
+      setInputs({
+        ...inputs,
+        ...defaultConfig,
+      })
+      syncOutputKeyOrders(defaultConfig.outputs)
+    }
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [defaultConfig])
+
+  const handleCodeChange = useCallback((code: string) => {
+    const newInputs = produce(inputs, (draft) => {
+      draft.code = code
+    })
+    setInputs(newInputs)
+  }, [inputs, setInputs])
+
+  const handleCodeLanguageChange = useCallback((codeLanguage: CodeLanguage) => {
+    const currDefaultConfig = allLanguageDefault?.[codeLanguage]
+
+    const newInputs = produce(inputs, (draft) => {
+      draft.code_language = codeLanguage
+      if (!currDefaultConfig)
+        return
+      draft.code = currDefaultConfig.code
+      draft.variables = currDefaultConfig.variables
+      draft.outputs = currDefaultConfig.outputs
+    })
+    setInputs(newInputs)
+  }, [allLanguageDefault, inputs, setInputs])
+
+  const {
+    handleVarsChange,
+    handleAddVariable: handleAddOutputVariable,
+    handleRemoveVariable,
+    isShowRemoveVarConfirm,
+    hideRemoveVarConfirm,
+    onRemoveVarConfirm,
+  } = useOutputVarList<CodeNodeType>({
+    id,
+    inputs,
+    setInputs,
+    outputKeyOrders,
+    onOutputKeyOrdersChange: setOutputKeyOrders,
+  })
+
+  const filterVar = useCallback((varPayload: Var) => {
+    return [VarType.string, VarType.number, VarType.object, VarType.array, VarType.arrayNumber, VarType.arrayString, VarType.arrayObject].includes(varPayload.type)
+  }, [])
+
+  // single run
+  const {
+    isShowSingleRun,
+    hideSingleRun,
+    toVarInputs,
+    runningStatus,
+    isCompleted,
+    handleRun,
+    handleStop,
+    runInputData,
+    setRunInputData,
+    runResult,
+  } = useOneStepRun<CodeNodeType>({
+    id,
+    data: inputs,
+    defaultRunInputData: {},
+  })
+
+  const varInputs = toVarInputs(inputs.variables)
+
+  const inputVarValues = (() => {
+    const vars: Record<string, any> = {}
+    Object.keys(runInputData)
+      .forEach((key) => {
+        vars[key] = runInputData[key]
+      })
+    return vars
+  })()
+
+  const setInputVarValues = useCallback((newPayload: Record<string, any>) => {
+    setRunInputData(newPayload)
+  }, [setRunInputData])
+
+  return {
+    readOnly,
+    inputs,
+    outputKeyOrders,
+    handleVarListChange,
+    handleAddVariable,
+    handleRemoveVariable,
+    handleCodeChange,
+    handleCodeLanguageChange,
+    handleVarsChange,
+    filterVar,
+    handleAddOutputVariable,
+    isShowRemoveVarConfirm,
+    hideRemoveVarConfirm,
+    onRemoveVarConfirm,
+    // single run
+    isShowSingleRun,
+    hideSingleRun,
+    runningStatus,
+    isCompleted,
+    handleRun,
+    handleStop,
+    varInputs,
+    inputVarValues,
+    setInputVarValues,
+    runResult,
+  }
+}
+
+export default useConfig