149 lines
6 KiB
Python
149 lines
6 KiB
Python
from urllib.parse import quote_plus
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from enum import Enum
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from common.models import SourceSiteEnum
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from django.conf import settings
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from common.scraper import GoodreadsScraper, get_spotify_token
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import requests
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from lxml import html
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SEARCH_PAGE_SIZE = 5 # not all apis support page size
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class Category(Enum):
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Book = '书籍'
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Movie = '电影'
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Music = '音乐'
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Game = '游戏'
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TV = '剧集'
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class SearchResultItem:
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def __init__(self, category, source_site, source_url, title, subtitle, brief, cover_url):
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self.category = category
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self.source_site = source_site
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self.source_url = source_url
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self.title = title
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self.subtitle = subtitle
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self.brief = brief
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self.cover_url = cover_url
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@property
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def verbose_category_name(self):
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return self.category.value
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@property
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def link(self):
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return f"/search?q={quote_plus(self.source_url)}"
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@property
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def scraped(self):
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return False
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class Goodreads:
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@classmethod
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def search(self, q, page=1):
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results = []
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search_url = f'https://www.goodreads.com/search?page={page}&q={quote_plus(q)}'
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r = requests.get(search_url)
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if r.url.startswith('https://www.goodreads.com/book/show/'):
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# Goodreads will 302 if only one result matches ISBN
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data, img = GoodreadsScraper.scrape(r.url, r)
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subtitle = f"{data['pub_year']} {', '.join(data['author'])} {', '.join(data['translator'])}"
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results.append(SearchResultItem(Category.Book, SourceSiteEnum.GOODREADS,
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data['source_url'], data['title'], subtitle,
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data['brief'], data['cover_url']))
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else:
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h = html.fromstring(r.content.decode('utf-8'))
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for c in h.xpath('//tr[@itemtype="http://schema.org/Book"]'):
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el_cover = c.xpath('.//img[@class="bookCover"]/@src')
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cover = el_cover[0] if el_cover else None
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el_title = c.xpath('.//a[@class="bookTitle"]//text()')
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title = ''.join(el_title).strip() if el_title else None
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el_url = c.xpath('.//a[@class="bookTitle"]/@href')
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url = 'https://www.goodreads.com' + el_url[0] if el_url else None
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el_authors = c.xpath('.//a[@class="authorName"]//text()')
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subtitle = ', '.join(el_authors) if el_authors else None
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results.append(SearchResultItem(Category.Book, SourceSiteEnum.GOODREADS, url, title, subtitle, '', cover))
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return results
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class GoogleBooks:
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@classmethod
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def search(self, q, page=1):
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results = []
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api_url = f'https://www.googleapis.com/books/v1/volumes?q={quote_plus(q)}&startIndex={SEARCH_PAGE_SIZE*(page-1)}&maxResults={SEARCH_PAGE_SIZE}&maxAllowedMaturityRating=MATURE'
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j = requests.get(api_url).json()
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if 'items' in j:
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for b in j['items']:
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title = b['volumeInfo']['title']
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subtitle = f"{b['volumeInfo']['publishedDate']} {', '.join(b['volumeInfo']['authors'])}"
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if 'description' in b['volumeInfo']:
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brief = b['volumeInfo']['description']
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elif 'textSnippet' in b['volumeInfo']:
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brief = b["volumeInfo"]["textSnippet"]["searchInfo"]
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else:
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brief = ''
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category = Category.Book
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url = b['volumeInfo']['infoLink']
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cover = b['volumeInfo']['imageLinks']['thumbnail'] if 'imageLinks' in b['volumeInfo'] else None
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results.append(SearchResultItem(category, SourceSiteEnum.GOOGLEBOOKS, url, title, subtitle, brief, cover))
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return results
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class TheMovieDatabase:
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@classmethod
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def search(self, q, page=1):
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results = []
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api_url = f'https://api.themoviedb.org/3/search/multi?query={quote_plus(q)}&page={page}&api_key={settings.TMDB_API3_KEY}&language=zh-CN&include_adult=true'
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j = requests.get(api_url).json()
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for m in j['results']:
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if m['media_type'] in ['tv', 'movie']:
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url = f"https://www.themoviedb.org/{m['media_type']}/{m['id']}"
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if m['media_type'] == 'tv':
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cat = Category.TV
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title = m['name']
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subtitle = f"{m['first_air_date']} {m['original_name']}"
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else:
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cat = Category.Movie
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title = m['title']
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subtitle = f"{m['release_date']} {m['original_title']}"
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cover = f"https://image.tmdb.org/t/p/w500/{m['poster_path']}"
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results.append(SearchResultItem(cat, SourceSiteEnum.TMDB, url, title, subtitle, m['overview'], cover))
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return results
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class Spotify:
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@classmethod
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def search(self, q, page=1):
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results = []
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api_url = f"https://api.spotify.com/v1/search?q={q}&type=album&limit={SEARCH_PAGE_SIZE}&offset={page*SEARCH_PAGE_SIZE}"
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headers = {
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'Authorization': f"Bearer {get_spotify_token()}"
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}
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j = requests.get(api_url, headers=headers).json()
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for a in j['albums']['items']:
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title = a['name']
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subtitle = a['release_date']
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for artist in a['artists']:
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subtitle += ' ' + artist['name']
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url = a['external_urls']['spotify']
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cover = a['images'][0]['url']
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results.append(SearchResultItem(Category.Music, SourceSiteEnum.SPOTIFY, url, title, subtitle, '', cover))
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return results
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class ExternalSources:
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@classmethod
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def search(self, c, q, page=1):
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results = []
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if c == '' or c is None:
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c = 'all'
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if c == 'all' or c == 'movie':
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results.extend(TheMovieDatabase.search(q, page))
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if c == 'all' or c == 'book':
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results.extend(Goodreads.search(q, page))
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# results.extend(GoogleBooks.search(q, page))
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if c == 'all' or c == 'music':
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results.extend(Spotify.search(q, page))
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return results
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