From 5c01f03df4d73afa156530aaaac76aac25fb45f7 Mon Sep 17 00:00:00 2001
From: "unique.mo" <myx3901051@qq.com>
Date: Sun, 3 May 2020 21:16:20 +0800
Subject: [PATCH] feat: add Recommendation, Banner logic

---
 src/apis/personalized.ts                      | 18 ++++-
 src/apis/types/personalized.ts                | 10 +++
 src/hooks/useInterval.ts                      | 20 +++++
 .../Banner/BannerItem/index.tsx               | 23 ++++++
 .../Banner/BannerItem/style.module.css        | 36 +++++++++
 .../Discovery/Recommendation/Banner/index.tsx | 77 +++++++++++++++++++
 .../Recommendation/Banner/style.module.css    | 53 +++++++++++++
 .../Discovery/Recommendation/Slider/index.tsx |  9 ---
 src/pages/Discovery/Recommendation/index.tsx  |  6 +-
 9 files changed, 237 insertions(+), 15 deletions(-)
 create mode 100644 src/hooks/useInterval.ts
 create mode 100644 src/pages/Discovery/Recommendation/Banner/BannerItem/index.tsx
 create mode 100644 src/pages/Discovery/Recommendation/Banner/BannerItem/style.module.css
 create mode 100644 src/pages/Discovery/Recommendation/Banner/index.tsx
 create mode 100644 src/pages/Discovery/Recommendation/Banner/style.module.css
 delete mode 100644 src/pages/Discovery/Recommendation/Slider/index.tsx

diff --git a/src/apis/personalized.ts b/src/apis/personalized.ts
index 0dd3eee..754dcaf 100644
--- a/src/apis/personalized.ts
+++ b/src/apis/personalized.ts
@@ -1,9 +1,10 @@
 import axios from 'helpers/axios'
-import { IGetPersonalizedSongListRequest, ISongList, IMusic, IMV } from './types/personalized'
+import { IGetPersonalizedSongListRequest, ISongList, IMusic, IMV, IBanner } from './types/personalized'
 
 type GetPersonalizedSongListFn = (params: IGetPersonalizedSongListRequest) => Promise<ISongList[]>
 type GetPersonalizedNewMusicFn = () => Promise<IMusic[]>
 type GetPersonalizedMVFn = () => Promise<IMV[]>
+type GetBannerFn = () => Promise<IBanner[]>
 
 const getPersonalizedSongList: GetPersonalizedSongListFn = async ({ limit }) => {
   const response = await axios({
@@ -35,8 +36,21 @@ const getPersonalizedMV: GetPersonalizedMVFn = async () => {
   return response.result
 }
 
+const getBanner: GetBannerFn = async () => {
+  const response = await axios({
+    method: 'get',
+    url: '/banner',
+    params: {
+      type: 0
+    }
+  })
+
+  return response.banners
+}
+
 export default {
   getPersonalizedSongList,
   getPersonalizedNewMusic,
-  getPersonalizedMV
+  getPersonalizedMV,
+  getBanner
 }
diff --git a/src/apis/types/personalized.ts b/src/apis/types/personalized.ts
index 2e5d8d0..9bd6746 100644
--- a/src/apis/types/personalized.ts
+++ b/src/apis/types/personalized.ts
@@ -53,3 +53,13 @@ export interface IMV {
   subed: boolean,
   type: number
 }
+
+export interface IBanner {
+  exclusive: boolean,
+  imageUrl: string,
+  targetId: number,
+  targetType: number,
+  titleColor: string,
+  typeTitle: string,
+  url: string
+}
diff --git a/src/hooks/useInterval.ts b/src/hooks/useInterval.ts
new file mode 100644
index 0000000..15d3c99
--- /dev/null
+++ b/src/hooks/useInterval.ts
@@ -0,0 +1,20 @@
+import { useEffect, useRef } from 'react'
+
+const useInterval = (callback: Function, delay?: number | null) => {
+  const savedCallback = useRef<Function>(() => {})
+
+  useEffect(() => {
+    savedCallback.current = callback
+  })
+
+  useEffect(() => {
+    if (delay !== null) {
+      const interval = setInterval(() => savedCallback.current(), delay || 0)
+      return () => clearInterval(interval)
+    }
+
+    return undefined
+  }, [delay])
+}
+
+export default useInterval
diff --git a/src/pages/Discovery/Recommendation/Banner/BannerItem/index.tsx b/src/pages/Discovery/Recommendation/Banner/BannerItem/index.tsx
new file mode 100644
index 0000000..bd3bf2a
--- /dev/null
+++ b/src/pages/Discovery/Recommendation/Banner/BannerItem/index.tsx
@@ -0,0 +1,23 @@
+import React from 'react'
+import cn from 'classnames'
+
+import styles from './style.module.css'
+
+interface IProps {
+  typeTitle: string,
+  imageUrl: string,
+  className?: string
+}
+
+const BannerItem: React.FC<IProps> = ({ typeTitle, imageUrl, className }) => {
+  return (
+    <div className={cn(styles.root, className)}>
+      <img src={imageUrl} />
+      <div className={styles.type}>
+        {typeTitle}
+      </div>
+    </div>
+  )
+}
+
+export default BannerItem
diff --git a/src/pages/Discovery/Recommendation/Banner/BannerItem/style.module.css b/src/pages/Discovery/Recommendation/Banner/BannerItem/style.module.css
new file mode 100644
index 0000000..4829cdc
--- /dev/null
+++ b/src/pages/Discovery/Recommendation/Banner/BannerItem/style.module.css
@@ -0,0 +1,36 @@
+@value colors: "~styles/colors.module.css";
+@value red from colors;
+
+.root {
+  width: 50%;
+  padding-top: 18.52%;
+  background-color: rgba(0, 0, 0, 0.5);
+  border-radius: 5px;
+  position: absolute;
+  cursor: pointer;
+  top: 0;
+  left: 50%;
+  transform: translate(-50%, 0);
+  transition: transform 1s ease;
+
+  img {
+    width: 100%;
+    height: 100%;
+    border-radius: 5px;
+    position: absolute;
+    top: 0;
+    left: 0;
+  }
+
+  .type {
+    padding: 3px 10px;
+    position: absolute;
+    bottom: 0;
+    right: 0;
+    background-color: red;
+    color: #fff;
+    font-size: 0.9em;
+    border-top-left-radius: 5px;
+    border-bottom-right-radius: 5px;
+  }
+}
diff --git a/src/pages/Discovery/Recommendation/Banner/index.tsx b/src/pages/Discovery/Recommendation/Banner/index.tsx
new file mode 100644
index 0000000..089d98c
--- /dev/null
+++ b/src/pages/Discovery/Recommendation/Banner/index.tsx
@@ -0,0 +1,77 @@
+import React from 'react'
+import { Spinner } from '@blueprintjs/core'
+import cn from 'classnames'
+
+import BannerItem from './BannerItem'
+
+import useAsyncFn from 'hooks/useAsyncFn'
+import useInterval from 'hooks/useInterval'
+import personalizedApis from 'apis/personalized'
+
+import styles from './style.module.css'
+
+const { useEffect, useState, useMemo } = React
+
+const Banner = () => {
+  const [currentMid, setCurrentMid] = useState(0)
+  const [state, getBannerFn] = useAsyncFn(personalizedApis.getBanner)
+  const { value: banners = [], loading: isGettingBanner } = state
+
+  useEffect(() => {
+    getBannerFn()
+  }, [])
+
+  useInterval(() => {
+    if (!banners.length) {
+      return
+    }
+    setCurrentMid((currentMid + 1) % banners.length)
+  }, 3000)
+
+  const bannersClassName = useMemo(() => {
+    const len = banners.length
+    const left = (currentMid - 1 + len) % len
+    const right = (currentMid + 1) % len
+    return {
+      [currentMid]: styles.middle,
+      [left]: styles.left,
+      [right]: styles.right
+    }
+  }, [currentMid, banners])
+
+  const handleMidChange = (index: number) => {
+    setCurrentMid(index)
+  }
+
+  return (isGettingBanner
+    ? <Spinner />
+    : <div className={styles.root}>
+      <div className={styles.banners}>
+        {banners.map(({ imageUrl, typeTitle }, index) => {
+          const className = bannersClassName[index] || styles.hidden
+          return (
+            <BannerItem
+              key={imageUrl}
+              typeTitle={typeTitle}
+              imageUrl={imageUrl}
+              className={className}
+            />
+          )
+        })}
+      </div>
+      <div className={styles.dots}>
+        {banners.map(({ imageUrl }, index) => {
+          return (
+            <div
+              key={imageUrl}
+              className={cn(styles.dot, index === currentMid ? styles.active : '')}
+              onMouseOver={() => handleMidChange(index)}
+            />
+          )
+        })}
+      </div>
+    </div>
+  )
+}
+
+export default Banner
diff --git a/src/pages/Discovery/Recommendation/Banner/style.module.css b/src/pages/Discovery/Recommendation/Banner/style.module.css
new file mode 100644
index 0000000..294fa43
--- /dev/null
+++ b/src/pages/Discovery/Recommendation/Banner/style.module.css
@@ -0,0 +1,53 @@
+@value colors: "~styles/colors.module.css";
+@value tipsColor, red from colors;
+
+.root {
+  position: relative;
+  padding-top: 22%;
+  margin-bottom: 20px;
+}
+
+.banners {
+  width: 100%;
+  position: absolute;
+  top: 0;
+  left: 0;
+}
+
+.middle {
+  transform: translate(-50%, 0) scale(1);
+  z-index: 2;
+}
+
+.left {
+  transform: translate(-110%, 0) scale(0.8);
+}
+
+.right {
+  transform: translate(10%, 0) scale(0.8);
+}
+
+.hidden {
+  transform: translate(-50%, 0) scale(1);
+  visibility: hidden;
+}
+
+.dots {
+  display: flex;
+  position: absolute;
+  bottom: 10px;
+  left: 50%;
+  transform: translate(-50%, 0);
+
+  .dot {
+    width: 7px;
+    height: 7px;
+    margin-right: 10px;
+    border-radius: 50%;
+    background-color: tipsColor;
+  }
+
+  .active {
+    background-color: red;
+  }
+}
diff --git a/src/pages/Discovery/Recommendation/Slider/index.tsx b/src/pages/Discovery/Recommendation/Slider/index.tsx
deleted file mode 100644
index 31b94e7..0000000
--- a/src/pages/Discovery/Recommendation/Slider/index.tsx
+++ /dev/null
@@ -1,9 +0,0 @@
-import React from 'react'
-
-const Slider = () => {
-  return (
-    <div>slider</div>
-  )
-}
-
-export default Slider
diff --git a/src/pages/Discovery/Recommendation/index.tsx b/src/pages/Discovery/Recommendation/index.tsx
index c468fa8..c94236f 100644
--- a/src/pages/Discovery/Recommendation/index.tsx
+++ b/src/pages/Discovery/Recommendation/index.tsx
@@ -1,5 +1,5 @@
 import React from 'react'
-import Slider from './Slider'
+import Banner from './Banner'
 import SongList from './SongList'
 import LatestMusic from './LatestMusic'
 import MV from './MV'
@@ -9,9 +9,7 @@ import styles from './style.module.css'
 const Recommendation = () => {
   return (
     <div className={styles.root}>
-      <div className={styles.block}>
-        <Slider />
-      </div>
+      <Banner />
 
       <div className={styles.block}>
         <SongList />