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/http/default.ts

@@ -0,0 +1,48 @@
+import { BlockEnum } from '../../types'
+import type { NodeDefault } from '../../types'
+import { AuthorizationType, BodyType, type HttpNodeType, Method } from './types'
+import { ALL_CHAT_AVAILABLE_BLOCKS, ALL_COMPLETION_AVAILABLE_BLOCKS } from '@/app/components/workflow/constants'
+
+const nodeDefault: NodeDefault<HttpNodeType> = {
+  defaultValue: {
+    variables: [],
+    method: Method.get,
+    url: '',
+    authorization: {
+      type: AuthorizationType.none,
+      config: null,
+    },
+    headers: '',
+    params: '',
+    body: {
+      type: BodyType.none,
+      data: '',
+    },
+  },
+  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: HttpNodeType, t: any) {
+    let errorMessages = ''
+
+    if (!errorMessages && !payload.url)
+      errorMessages = t('workflow.errorMsg.fieldRequired', { field: t('workflow.nodes.http.api') })
+
+    if (!errorMessages && !payload.url.startsWith('http://') && !payload.url.startsWith('https://'))
+      errorMessages = t('workflow.nodes.http.notStartWithHttp')
+
+    return {
+      isValid: !errorMessages,
+      errorMessage: errorMessages,
+    }
+  },
+}
+
+export default nodeDefault