From 770a256ab8577683a2cd255595cc2801a9f7f577 Mon Sep 17 00:00:00 2001
From: Fedor Katurov <gotham48@gmail.com>
Date: Wed, 9 Oct 2019 15:31:24 +0700
Subject: [PATCH] submitting tags

---
 src/components/node/Tag/index.tsx  | 11 ++++------
 src/components/node/Tags/index.tsx | 33 +++++++++++++++++++++++++++---
 2 files changed, 34 insertions(+), 10 deletions(-)

diff --git a/src/components/node/Tag/index.tsx b/src/components/node/Tag/index.tsx
index 8d339ecb..fe0a6a9f 100644
--- a/src/components/node/Tag/index.tsx
+++ b/src/components/node/Tag/index.tsx
@@ -1,10 +1,4 @@
-import React, {
-  FC,
-  ReactElement,
-  ChangeEvent,
-  ChangeEventHandler,
-  KeyboardEventHandler,
-} from 'react';
+import React, { FC, ChangeEventHandler, KeyboardEventHandler, FocusEventHandler } from 'react';
 import * as styles from './styles.scss';
 import { ITag } from '~/redux/types';
 
@@ -17,6 +11,7 @@ interface IProps {
   is_hoverable?: boolean;
   onInput?: ChangeEventHandler<HTMLInputElement>;
   onKeyUp?: KeyboardEventHandler;
+  onBlur?: FocusEventHandler<HTMLInputElement>;
 }
 
 const Tag: FC<IProps> = ({
@@ -26,6 +21,7 @@ const Tag: FC<IProps> = ({
   is_hoverable,
   onInput,
   onKeyUp,
+  onBlur,
 }) => (
   <div className={classNames(styles.tag, feature, { is_hoverable, input: !!onInput })}>
     <div className={styles.hole} />
@@ -40,6 +36,7 @@ const Tag: FC<IProps> = ({
         maxLength={24}
         onChange={onInput}
         onKeyUp={onKeyUp}
+        onBlur={onBlur}
       />
     )}
   </div>
diff --git a/src/components/node/Tags/index.tsx b/src/components/node/Tags/index.tsx
index 7da014eb..cf2bcdb8 100644
--- a/src/components/node/Tags/index.tsx
+++ b/src/components/node/Tags/index.tsx
@@ -6,11 +6,20 @@ import React, {
   useEffect,
   KeyboardEvent,
   ChangeEvent,
+  useRef,
 } from 'react';
 import { TagField } from '~/components/containers/TagField';
 import { ITag } from '~/redux/types';
 import { Tag } from '~/components/node/Tag';
 import uniq from 'ramda/es/uniq';
+import equals from 'ramda/es/equals';
+import { setTimeout } from 'timers';
+import identity from 'ramda/es/identity';
+import countBy from 'ramda/es/countBy';
+import eqBy from 'ramda/es/eqBy';
+import length from 'ramda/es/length';
+import isEmpty from 'ramda/es/isEmpty';
+import symmetricDifference from 'ramda/es/symmetricDifference';
 
 type IProps = HTMLAttributes<HTMLDivElement> & {
   tags: ITag[];
@@ -18,15 +27,17 @@ type IProps = HTMLAttributes<HTMLDivElement> & {
   onTagsChange?: (tags: string[]) => void;
 };
 
-export const Tags: FC<IProps> = ({ tags, is_editable, onChange, ...props }) => {
+export const Tags: FC<IProps> = ({ tags, is_editable, onTagsChange, ...props }) => {
   const [input, setInput] = useState('');
   const [data, setData] = useState(tags);
+  const timer = useRef(null);
 
   const onInput = useCallback(
     ({ target: { value } }: ChangeEvent<HTMLInputElement>) => {
       setInput(value);
+      if (timer) clearTimeout(timer.current);
     },
-    [setInput]
+    [setInput, timer]
   );
 
   const onKeyUp = useCallback(
@@ -55,7 +66,23 @@ export const Tags: FC<IProps> = ({ tags, is_editable, onChange, ...props }) => {
     [input, setInput, data, setData]
   );
 
+  const onSubmit = useCallback(() => {
+    if (length(tags) === length(data) && isEmpty(symmetricDifference(tags, data))) return;
+
+    onTagsChange(data.map(tag => tag.title));
+  }, [tags, data, onTagsChange]);
+
+  const onBlur = useCallback(() => {
+    clearTimeout(timer.current);
+    onSubmit();
+  }, [onSubmit, timer]);
+
   useEffect(() => setData(tags), [tags]);
+  useEffect(() => {
+    timer.current = setTimeout(onSubmit, 3000);
+
+    return () => clearTimeout(timer.current);
+  }, [data]);
 
   return (
     <TagField {...props}>
@@ -63,7 +90,7 @@ export const Tags: FC<IProps> = ({ tags, is_editable, onChange, ...props }) => {
         <Tag key={tag.title} title={tag.title} feature={tag.feature} />
       ))}
 
-      {is_editable && <Tag title={input} onInput={onInput} onKeyUp={onKeyUp} />}
+      {is_editable && <Tag title={input} onInput={onInput} onKeyUp={onKeyUp} onBlur={onBlur} />}
     </TagField>
   );
 };