From 1c4515a1ae6097f3948aaa0d0ed210831581fd98 Mon Sep 17 00:00:00 2001
From: sct <ryan@sct.dev>
Date: Tue, 16 Mar 2021 01:06:44 +0900
Subject: [PATCH] feat: genre sliders (experiment) (#1182)

---
 overseerr-api.yml                             | 64 ++++++++++++++
 server/interfaces/api/discoverInterfaces.ts   |  5 ++
 server/routes/discover.ts                     | 85 +++++++++++++++++++
 src/components/CompanyCard/index.tsx          |  2 +-
 .../Discover/MovieGenreSlider/index.tsx       | 53 ++++++++++++
 .../Discover/TvGenreSlider/index.tsx          | 53 ++++++++++++
 src/components/Discover/constants.ts          | 62 ++++++++++++++
 src/components/Discover/index.tsx             |  4 +
 src/components/GenreCard/index.tsx            | 58 +++++++++++++
 src/i18n/locale/en.json                       |  2 +
 10 files changed, 387 insertions(+), 1 deletion(-)
 create mode 100644 server/interfaces/api/discoverInterfaces.ts
 create mode 100644 src/components/Discover/MovieGenreSlider/index.tsx
 create mode 100644 src/components/Discover/TvGenreSlider/index.tsx
 create mode 100644 src/components/Discover/constants.ts
 create mode 100644 src/components/GenreCard/index.tsx

diff --git a/overseerr-api.yml b/overseerr-api.yml
index b75b9b21..dd11cd9e 100644
--- a/overseerr-api.yml
+++ b/overseerr-api.yml
@@ -3780,6 +3780,70 @@ paths:
                     type: array
                     items:
                       $ref: '#/components/schemas/MovieResult'
+  /discover/genreslider/movie:
+    get:
+      summary: Get genre slider data for movies
+      description: Returns a list of genres with backdrops attached
+      tags:
+        - search
+      parameters:
+        - in: query
+          name: language
+          schema:
+            type: string
+            example: en
+      responses:
+        '200':
+          description: Genre slider data returned
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  type: object
+                  properties:
+                    id:
+                      type: number
+                      example: 1
+                    backdrops:
+                      type: array
+                      items:
+                        type: string
+                    name:
+                      type: string
+                      example: Genre Name
+  /discover/genreslider/tv:
+    get:
+      summary: Get genre slider data for TV series
+      description: Returns a list of genres with backdrops attached
+      tags:
+        - search
+      parameters:
+        - in: query
+          name: language
+          schema:
+            type: string
+            example: en
+      responses:
+        '200':
+          description: Genre slider data returned
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  type: object
+                  properties:
+                    id:
+                      type: number
+                      example: 1
+                    backdrops:
+                      type: array
+                      items:
+                        type: string
+                    name:
+                      type: string
+                      example: Genre Name
   /request:
     get:
       summary: Get all requests
diff --git a/server/interfaces/api/discoverInterfaces.ts b/server/interfaces/api/discoverInterfaces.ts
new file mode 100644
index 00000000..db90e55d
--- /dev/null
+++ b/server/interfaces/api/discoverInterfaces.ts
@@ -0,0 +1,5 @@
+export interface GenreSliderItem {
+  id: number;
+  name: string;
+  backdrops: string[];
+}
diff --git a/server/routes/discover.ts b/server/routes/discover.ts
index c46048ae..3e690c8e 100644
--- a/server/routes/discover.ts
+++ b/server/routes/discover.ts
@@ -8,6 +8,9 @@ import { getSettings } from '../lib/settings';
 import { User } from '../entity/User';
 import { mapProductionCompany } from '../models/Movie';
 import { mapNetwork } from '../models/Tv';
+import logger from '../logger';
+import { sortBy } from 'lodash';
+import { GenreSliderItem } from '../interfaces/api/discoverInterfaces';
 
 const createTmdbWithRegionLanaguage = (user?: User): TheMovieDb => {
   const settings = getSettings();
@@ -482,4 +485,86 @@ discoverRoutes.get<{ keywordId: string }>(
   }
 );
 
+discoverRoutes.get<{ language: string }, GenreSliderItem[]>(
+  '/genreslider/movie',
+  async (req, res, next) => {
+    const tmdb = new TheMovieDb();
+
+    try {
+      const mappedGenres: GenreSliderItem[] = [];
+
+      const genres = await tmdb.getMovieGenres({
+        language: req.query.language as string,
+      });
+
+      await Promise.all(
+        genres.map(async (genre) => {
+          const genreData = await tmdb.getDiscoverMovies({ genre: genre.id });
+
+          mappedGenres.push({
+            id: genre.id,
+            name: genre.name,
+            backdrops: genreData.results
+              .filter((title) => !!title.backdrop_path)
+              .map((title) => title.backdrop_path) as string[],
+          });
+        })
+      );
+
+      const sortedData = sortBy(mappedGenres, 'name');
+
+      return res.status(200).json(sortedData);
+    } catch (e) {
+      logger.error('Something went wrong retrieving the movie genre slider', {
+        errorMessage: e.message,
+      });
+      return next({
+        status: 500,
+        message: 'Unable to retrieve movie genre slider.',
+      });
+    }
+  }
+);
+
+discoverRoutes.get<{ language: string }, GenreSliderItem[]>(
+  '/genreslider/tv',
+  async (req, res, next) => {
+    const tmdb = new TheMovieDb();
+
+    try {
+      const mappedGenres: GenreSliderItem[] = [];
+
+      const genres = await tmdb.getTvGenres({
+        language: req.query.language as string,
+      });
+
+      await Promise.all(
+        genres.map(async (genre) => {
+          const genreData = await tmdb.getDiscoverTv({ genre: genre.id });
+
+          mappedGenres.push({
+            id: genre.id,
+            name: genre.name,
+            backdrops: genreData.results
+              .filter((title) => !!title.backdrop_path)
+              .map((title) => title.backdrop_path) as string[],
+          });
+        })
+      );
+
+      const sortedData = sortBy(mappedGenres, 'name');
+
+      return res.status(200).json(sortedData);
+    } catch (e) {
+      logger.error('Something went wrong retrieving the tv genre slider', {
+        errorMessage: e.message,
+      });
+      return next({
+        status: 500,
+        message: 'Unable to retrieve tv genre slider.',
+      });
+    }
+  }
+);
+
 export default discoverRoutes;
diff --git a/src/components/CompanyCard/index.tsx b/src/components/CompanyCard/index.tsx
index 3e4c5938..100fd901 100644
--- a/src/components/CompanyCard/index.tsx
+++ b/src/components/CompanyCard/index.tsx
@@ -13,7 +13,7 @@ const CompanyCard: React.FC<CompanyCardProps> = ({ image, url, name }) => {
   return (
     <Link href={url}>
       <a
-        className={`relative flex items-center justify-center h-32 w-64 sm:h-36 sm:w-72 p-8 shadow transition ease-in-out duration-150 cursor-pointer transform-gpu ring-1 ${
+        className={`relative flex items-center justify-center h-32 w-64 sm:h-36 sm:w-72 p-8 shadow transition ease-in-out duration-300 cursor-pointer transform-gpu ring-1 ${
           isHovered
             ? 'bg-gray-700 scale-105 ring-gray-500'
             : 'bg-gray-800 scale-100 ring-gray-700'
diff --git a/src/components/Discover/MovieGenreSlider/index.tsx b/src/components/Discover/MovieGenreSlider/index.tsx
new file mode 100644
index 00000000..7f033d0d
--- /dev/null
+++ b/src/components/Discover/MovieGenreSlider/index.tsx
@@ -0,0 +1,53 @@
+import React, { useContext } from 'react';
+import { defineMessages, useIntl } from 'react-intl';
+import useSWR from 'swr';
+import GenreCard from '../../GenreCard';
+import Slider from '../../Slider';
+import { GenreSliderItem } from '../../../../server/interfaces/api/discoverInterfaces';
+import { LanguageContext } from '../../../context/LanguageContext';
+import { genreColorMap } from '../constants';
+
+const messages = defineMessages({
+  moviegenres: 'Movie Genres',
+});
+
+const MovieGenreSlider: React.FC = () => {
+  const { locale } = useContext(LanguageContext);
+  const intl = useIntl();
+  const { data, error } = useSWR<GenreSliderItem[]>(
+    `/api/v1/discover/genreslider/movie?language=${locale}`,
+    {
+      refreshInterval: 0,
+      revalidateOnFocus: false,
+    }
+  );
+
+  return (
+    <>
+      <div className="slider-header">
+        <div className="slider-title">
+          <span>{intl.formatMessage(messages.moviegenres)}</span>
+        </div>
+      </div>
+      <Slider
+        sliderKey="movie-genres"
+        isLoading={!data && !error}
+        isEmpty={false}
+        items={(data ?? []).map((genre, index) => (
+          <GenreCard
+            key={`genre-${genre.id}-${index}`}
+            name={genre.name}
+            image={`https://www.themoviedb.org/t/p/w1280_filter(duotone,${
+              genreColorMap[genre.id] ?? genreColorMap[0]
+            })${genre.backdrops[4]}`}
+            url={`/discover/movies/genre/${genre.id}`}
+          />
+        ))}
+        placeholder={<GenreCard.Placeholder />}
+        emptyMessage=""
+      />
+    </>
+  );
+};
+
+export default React.memo(MovieGenreSlider);
diff --git a/src/components/Discover/TvGenreSlider/index.tsx b/src/components/Discover/TvGenreSlider/index.tsx
new file mode 100644
index 00000000..9fd8fdac
--- /dev/null
+++ b/src/components/Discover/TvGenreSlider/index.tsx
@@ -0,0 +1,53 @@
+import React, { useContext } from 'react';
+import { defineMessages, useIntl } from 'react-intl';
+import useSWR from 'swr';
+import GenreCard from '../../GenreCard';
+import Slider from '../../Slider';
+import { GenreSliderItem } from '../../../../server/interfaces/api/discoverInterfaces';
+import { LanguageContext } from '../../../context/LanguageContext';
+import { genreColorMap } from '../constants';
+
+const messages = defineMessages({
+  tvgenres: 'Series Genres',
+});
+
+const TvGenreSlider: React.FC = () => {
+  const { locale } = useContext(LanguageContext);
+  const intl = useIntl();
+  const { data, error } = useSWR<GenreSliderItem[]>(
+    `/api/v1/discover/genreslider/tv?language=${locale}`,
+    {
+      refreshInterval: 0,
+      revalidateOnFocus: false,
+    }
+  );
+
+  return (
+    <>
+      <div className="slider-header">
+        <div className="slider-title">
+          <span>{intl.formatMessage(messages.tvgenres)}</span>
+        </div>
+      </div>
+      <Slider
+        sliderKey="tv-genres"
+        isLoading={!data && !error}
+        isEmpty={false}
+        items={(data ?? []).map((genre, index) => (
+          <GenreCard
+            key={`genre-tv-${genre.id}-${index}`}
+            name={genre.name}
+            image={`https://www.themoviedb.org/t/p/w1280_filter(duotone,${
+              genreColorMap[genre.id] ?? genreColorMap[0]
+            })${genre.backdrops[4]}`}
+            url={`/discover/tv/genre/${genre.id}`}
+          />
+        ))}
+        placeholder={<GenreCard.Placeholder />}
+        emptyMessage=""
+      />
+    </>
+  );
+};
+
+export default React.memo(TvGenreSlider);
diff --git a/src/components/Discover/constants.ts b/src/components/Discover/constants.ts
new file mode 100644
index 00000000..90500bf5
--- /dev/null
+++ b/src/components/Discover/constants.ts
@@ -0,0 +1,62 @@
+type AvailableColors =
+  | 'black'
+  | 'red'
+  | 'darkred'
+  | 'blue'
+  | 'lightblue'
+  | 'darkblue'
+  | 'orange'
+  | 'darkorange'
+  | 'green'
+  | 'lightgreen'
+  | 'purple'
+  | 'darkpurple'
+  | 'yellow'
+  | 'pink';
+
+export const colorTones: Record<AvailableColors, [string, string]> = {
+  red: ['991B1B', 'FCA5A5'],
+  darkred: ['1F2937', 'F87171'],
+  blue: ['032541', '01b4e4'],
+  lightblue: ['1F2937', '60A5FA'],
+  darkblue: ['1F2937', '2864d2'],
+  orange: ['92400E', 'FCD34D'],
+  lightgreen: ['065F46', '6EE7B7'],
+  green: ['087d29', '21cb51'],
+  purple: ['5B21B6', 'C4B5FD'],
+  yellow: ['777e0d', 'e4ed55'],
+  darkorange: ['552c01', 'd47c1d'],
+  black: ['1F2937', 'D1D5DB'],
+  pink: ['9D174D', 'F9A8D4'],
+  darkpurple: ['480c8b', 'a96bef'],
+};
+
+export const genreColorMap: Record<number, [string, string]> = {
+  0: colorTones.black,
+  28: colorTones.red,
+  12: colorTones.blue,
+  16: colorTones.orange,
+  35: colorTones.lightgreen,
+  80: colorTones.darkblue,
+  99: colorTones.green,
+  18: colorTones.purple,
+  10751: colorTones.yellow,
+  14: colorTones.darkorange,
+  36: colorTones.green,
+  27: colorTones.black,
+  10402: colorTones.blue,
+  9648: colorTones.purple,
+  10749: colorTones.pink,
+  878: colorTones.lightblue,
+  10770: colorTones.red,
+  53: colorTones.darkpurple,
+  10752: colorTones.darkred,
+  37: colorTones.orange,
+  10759: colorTones.blue, // Action & Adventure
+  10762: colorTones.blue, // Kids
+  10764: colorTones.red, // Reality
+  10765: colorTones.lightblue, // Sci-Fi & Fantasy
+  10766: colorTones.darkpurple, // Soap
+  10767: colorTones.lightgreen, // Talk
+  10768: colorTones.darkred, // War & Politics
+};
diff --git a/src/components/Discover/index.tsx b/src/components/Discover/index.tsx
index f522a2a7..790305e8 100644
--- a/src/components/Discover/index.tsx
+++ b/src/components/Discover/index.tsx
@@ -11,6 +11,8 @@ import MediaSlider from '../MediaSlider';
 import PageTitle from '../Common/PageTitle';
 import StudioSlider from './StudioSlider';
 import NetworkSlider from './NetworkSlider';
+import MovieGenreSlider from './MovieGenreSlider';
+import TvGenreSlider from './TvGenreSlider';
 
 const messages = defineMessages({
   discover: 'Discover',
@@ -104,6 +106,7 @@ const Discover: React.FC = () => {
         url="/api/v1/discover/movies"
         linkUrl="/discover/movies"
       />
+      <MovieGenreSlider />
       <MediaSlider
         sliderKey="upcoming"
         title={intl.formatMessage(messages.upcoming)}
@@ -117,6 +120,7 @@ const Discover: React.FC = () => {
         url="/api/v1/discover/tv"
         linkUrl="/discover/tv"
       />
+      <TvGenreSlider />
       <MediaSlider
         sliderKey="upcoming-tv"
         title={intl.formatMessage(messages.upcomingtv)}
diff --git a/src/components/GenreCard/index.tsx b/src/components/GenreCard/index.tsx
new file mode 100644
index 00000000..3cf711a7
--- /dev/null
+++ b/src/components/GenreCard/index.tsx
@@ -0,0 +1,58 @@
+import Link from 'next/link';
+import React, { useState } from 'react';
+import { withProperties } from '../../utils/typeHelpers';
+
+interface GenreCardProps {
+  name: string;
+  image: string;
+  url: string;
+}
+
+const GenreCard: React.FC<GenreCardProps> = ({ image, url, name }) => {
+  const [isHovered, setHovered] = useState(false);
+
+  return (
+    <Link href={url}>
+      <a
+        className={`relative flex items-center justify-center h-32 w-56 sm:h-40 sm:w-72 p-8 shadow transition ease-in-out duration-300 cursor-pointer transform-gpu ring-1 ${
+          isHovered
+            ? 'bg-gray-700 scale-105 ring-gray-500 bg-opacity-100'
+            : 'bg-gray-800 scale-100 ring-gray-700 bg-opacity-80'
+        } rounded-xl bg-cover bg-center overflow-hidden`}
+        style={{
+          backgroundImage: `url("${image}")`,
+        }}
+        onMouseEnter={() => {
+          setHovered(true);
+        }}
+        onMouseLeave={() => setHovered(false)}
+        onKeyDown={(e) => {
+          if (e.key === 'Enter') {
+            setHovered(true);
+          }
+        }}
+        role="link"
+        tabIndex={0}
+      >
+        <div
+          className={`absolute z-10 inset-0 w-full h-full transition duration-300 bg-gray-800 ${
+            isHovered ? 'bg-opacity-10' : 'bg-opacity-30'
+          }`}
+        />
+        <div className="relative z-20 w-full text-2xl font-bold text-center text-white truncate whitespace-normal sm:text-3xl">
+          {name}
+        </div>
+      </a>
+    </Link>
+  );
+};
+
+const GenreCardPlaceholder: React.FC = () => {
+  return (
+    <div
+      className={`relative h-32 w-56 sm:h-40 sm:w-72 animate-pulse rounded-xl bg-gray-700`}
+    ></div>
+  );
+};
+
+export default withProperties(GenreCard, { Placeholder: GenreCardPlaceholder });
diff --git a/src/i18n/locale/en.json b/src/i18n/locale/en.json
index 5295635d..7d1e75ba 100644
--- a/src/i18n/locale/en.json
+++ b/src/i18n/locale/en.json
@@ -20,8 +20,10 @@
   "components.Discover.DiscoverStudio.studioMovies": "{studio} Movies",
   "components.Discover.DiscoverTvGenre.genreSeries": "{genre} Series",
   "components.Discover.DiscoverTvLanguage.languageSeries": "{language} Series",
+  "components.Discover.MovieGenreSlider.moviegenres": "Movie Genres",
   "components.Discover.NetworkSlider.networks": "Networks",
   "components.Discover.StudioSlider.studios": "Studios",
+  "components.Discover.TvGenreSlider.tvgenres": "Series Genres",
   "components.Discover.discover": "Discover",
   "components.Discover.discovermovies": "Popular Movies",
   "components.Discover.discovertv": "Popular Series",