feat: fetch flow (#1068)

### What problem does this PR solve?
feat: fetch flow #918 
feat: save graph

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/utils/form.ts

@@ -0,0 +1,28 @@
+import { variableEnabledFieldMap } from '@/constants/chat';
+import omit from 'lodash/omit';
+
+// chat model setting and generate operator
+export const excludeUnEnabledVariables = (
+  values: any,
+  prefix = 'llm_setting.',
+) => {
+  const unEnabledFields: Array<keyof typeof variableEnabledFieldMap> =
+    Object.keys(variableEnabledFieldMap).filter((key) => !values[key]) as Array<
+      keyof typeof variableEnabledFieldMap
+    >;
+
+  return unEnabledFields.map(
+    (key) => `${prefix}${variableEnabledFieldMap[key]}`,
+  );
+};
+
+// chat model setting and generate operator
+export const removeUselessFieldsFromValues = (values: any, prefix?: string) => {
+  const nextValues: any = omit(values, [
+    ...Object.keys(variableEnabledFieldMap),
+    'parameters',
+    ...excludeUnEnabledVariables(values, prefix),
+  ]);
+
+  return nextValues;
+};

web/src/utils/registerServer.ts

@@ -1,7 +1,10 @@
 import omit from 'lodash/omit';
 import { RequestMethod } from 'umi-request';
 
-type Service<T extends string> = Record<T, (params?: any) => any>;
+type Service<T extends string> = Record<
+  T,
+  (params?: any, urlAppendix?: string) => any
+>;
 
 const registerServer = <T extends string>(
   opt: Record<T, { url: string; method: string }>,