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/tool/default.ts

@@ -0,0 +1,68 @@
+import { BlockEnum } from '../../types'
+import type { NodeDefault } from '../../types'
+import type { ToolNodeType } from './types'
+import { VarType as VarKindType } from '@/app/components/workflow/nodes/tool/types'
+import { ALL_CHAT_AVAILABLE_BLOCKS, ALL_COMPLETION_AVAILABLE_BLOCKS } from '@/app/components/workflow/constants'
+
+const i18nPrefix = 'workflow.errorMsg'
+
+const nodeDefault: NodeDefault<ToolNodeType> = {
+  defaultValue: {
+    tool_parameters: {},
+    tool_configurations: {},
+  },
+  getAvailablePrevNodes(isChatMode: boolean) {
+    const nodes = isChatMode
+      ? ALL_CHAT_AVAILABLE_BLOCKS
+      : ALL_COMPLETION_AVAILABLE_BLOCKS.filter(type => type !== BlockEnum.End)
+    return nodes
+  },
+  getAvailableNextNodes(isChatMode: boolean) {
+    const nodes = isChatMode ? ALL_CHAT_AVAILABLE_BLOCKS : ALL_COMPLETION_AVAILABLE_BLOCKS
+    return nodes
+  },
+  checkValid(payload: ToolNodeType, t: any, moreDataForCheckValid: any) {
+    const { toolInputsSchema, toolSettingSchema, language, notAuthed } = moreDataForCheckValid
+    let errorMessages = ''
+    if (notAuthed)
+      errorMessages = t(`${i18nPrefix}.authRequired`)
+
+    if (!errorMessages) {
+      toolInputsSchema.filter((field: any) => {
+        return field.required
+      }).forEach((field: any) => {
+        const targetVar = payload.tool_parameters[field.variable]
+        if (!targetVar) {
+          errorMessages = t(`${i18nPrefix}.fieldRequired`, { field: field.label })
+          return
+        }
+        const { type: variable_type, value } = targetVar
+        if (variable_type === VarKindType.variable) {
+          if (!errorMessages && (!value || value.length === 0))
+            errorMessages = t(`${i18nPrefix}.fieldRequired`, { field: field.label })
+        }
+        else {
+          if (!errorMessages && (value === undefined || value === null || value === ''))
+            errorMessages = t(`${i18nPrefix}.fieldRequired`, { field: field.label })
+        }
+      })
+    }
+
+    if (!errorMessages) {
+      toolSettingSchema.filter((field: any) => {
+        return field.required
+      }).forEach((field: any) => {
+        const value = payload.tool_configurations[field.variable]
+        if (!errorMessages && (value === undefined || value === null || value === ''))
+          errorMessages = t(`${i18nPrefix}.fieldRequired`, { field: field.label[language] })
+      })
+    }
+
+    return {
+      isValid: !errorMessages,
+      errorMessage: errorMessages,
+    }
+  },
+}
+
+export default nodeDefault