Files
anicrush-api/mapper.js
shafat420 ffe84cd711 mapper
2025-05-08 21:19:26 +06:00

407 lines
14 KiB
JavaScript

const axios = require('axios');
// Common headers for API requests
const getCommonHeaders = () => ({
'Accept': 'application/json, text/plain, */*',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36',
'x-site': 'anicrush',
'Referer': 'https://anicrush.to/',
'Origin': 'https://anicrush.to',
'sec-fetch-site': 'same-site',
'sec-fetch-mode': 'cors',
'sec-fetch-dest': 'empty'
});
// GraphQL query for AniList with synonyms
const ANILIST_QUERY = `
query ($id: Int) {
Media(id: $id, type: ANIME) {
id
title {
romaji
english
native
}
synonyms
episodes
format
status
countryOfOrigin
seasonYear
description
genres
tags {
name
}
}
}`;
// Function to calculate string similarity using Levenshtein distance
function calculateLevenshteinSimilarity(str1, str2) {
if (!str1 || !str2) return 0;
str1 = str1.toLowerCase();
str2 = str2.toLowerCase();
const matrix = Array(str2.length + 1).fill(null)
.map(() => Array(str1.length + 1).fill(null));
for (let i = 0; i <= str1.length; i++) matrix[0][i] = i;
for (let j = 0; j <= str2.length; j++) matrix[j][0] = j;
for (let j = 1; j <= str2.length; j++) {
for (let i = 1; i <= str1.length; i++) {
const indicator = str1[i - 1] === str2[j - 1] ? 0 : 1;
matrix[j][i] = Math.min(
matrix[j][i - 1] + 1,
matrix[j - 1][i] + 1,
matrix[j - 1][i - 1] + indicator
);
}
}
const maxLength = Math.max(str1.length, str2.length);
if (maxLength === 0) return 100;
return ((maxLength - matrix[str2.length][str1.length]) / maxLength) * 100;
}
// Function to calculate word-based similarity
function calculateWordSimilarity(str1, str2) {
if (!str1 || !str2) return 0;
const words1 = str1.toLowerCase().split(/\s+/).filter(Boolean);
const words2 = str2.toLowerCase().split(/\s+/).filter(Boolean);
const commonWords = words1.filter(word => words2.includes(word));
const totalUniqueWords = new Set([...words1, ...words2]).size;
return (commonWords.length / totalUniqueWords) * 100;
}
// Function to normalize title for comparison
function normalizeTitle(title) {
if (!title) return '';
return title.toLowerCase()
.replace(/[^a-z0-9\u3000-\u303f\u3040-\u309f\u30a0-\u30ff\u4e00-\u9faf\uff00-\uff9f]/g, ' ')
.replace(/\s+/g, ' ')
.trim();
}
// Function to get anime details from AniList
async function getAniListDetails(anilistId) {
try {
const response = await axios({
url: 'https://graphql.anilist.co',
method: 'POST',
data: {
query: ANILIST_QUERY,
variables: {
id: parseInt(anilistId)
}
}
});
if (!response.data?.data?.Media) {
throw new Error('Anime not found on AniList');
}
return response.data.data.Media;
} catch (error) {
console.error('Error fetching from AniList:', error.message);
throw new Error('Failed to fetch anime details from AniList');
}
}
// Function to search anime on anicrush
async function searchAnicrush(title) {
if (!title) {
throw new Error('Search title is required');
}
try {
const headers = getCommonHeaders();
const response = await axios({
method: 'GET',
url: 'https://api.anicrush.to/shared/v2/movie/list',
params: {
keyword: title,
page: 1,
limit: 24
},
headers
});
if (response.data?.status === false) {
throw new Error(response.data.message || 'Search failed');
}
return response.data;
} catch (error) {
if (error.response) {
console.error('Search API error:', error.response.data);
throw new Error(error.response.data.message || 'Search request failed');
} else if (error.request) {
console.error('No response received:', error.request);
throw new Error('No response from search API');
} else {
console.error('Search error:', error.message);
throw new Error('Failed to search anime');
}
}
}
// Function to get episode list from anicrush
async function getEpisodeList(movieId) {
if (!movieId) {
throw new Error('Movie ID is required');
}
try {
const headers = getCommonHeaders();
const response = await axios({
method: 'GET',
url: 'https://api.anicrush.to/shared/v2/episode/list',
params: {
_movieId: movieId
},
headers
});
if (response.data?.status === false) {
throw new Error(response.data.message || 'Failed to fetch episode list');
}
return response.data;
} catch (error) {
if (error.response) {
console.error('Episode list API error:', error.response.data);
throw new Error(error.response.data.message || 'Episode list request failed');
} else if (error.request) {
console.error('No response received:', error.request);
throw new Error('No response from episode list API');
} else {
console.error('Episode list error:', error.message);
throw new Error('Failed to fetch episode list');
}
}
}
// Function to calculate overall similarity between titles
function calculateTitleSimilarity(title1, title2) {
const levenshteinSim = calculateLevenshteinSimilarity(title1, title2);
const wordSim = calculateWordSimilarity(title1, title2);
// Weight the similarities (favoring word-based matching for titles)
return (levenshteinSim * 0.4) + (wordSim * 0.6);
}
// Function to find best match between AniList and anicrush results
function findBestMatch(anilistData, anicrushResults) {
if (!anicrushResults?.result?.movies || !anicrushResults.result.movies.length) {
return null;
}
// Prepare all possible titles from AniList
const titles = [
anilistData.title.romaji,
anilistData.title.english,
anilistData.title.native,
...(anilistData.synonyms || [])
].filter(Boolean);
let bestMatch = null;
let highestSimilarity = 0;
// Map AniList format to Anicrush type
const formatTypeMap = {
'TV': 'TV',
'TV_SHORT': 'TV',
'MOVIE': 'MOVIE',
'SPECIAL': 'SPECIAL',
'OVA': 'OVA',
'ONA': 'ONA',
'MUSIC': 'MUSIC'
};
const expectedType = formatTypeMap[anilistData.format] || null;
// Check each result from anicrush
for (const result of anicrushResults.result.movies) {
const resultTitles = [
result.name,
result.name_english
].filter(Boolean);
for (const resultTitle of resultTitles) {
// Try each possible title combination
for (const title of titles) {
// Remove common words that might cause false matches
const cleanTitle1 = normalizeTitle(title).replace(/\b(season|2nd|3rd|4th|5th|6th|7th|8th|9th|10th|11th|12th|13th|14th|15th|16th|17th|18th|19th|20th|21st|22nd|23rd|24th|25th|26th|27th|28th|29th|30th|31st|32nd|33rd|34th|35th|36th|37th|38th|39th|40th|41st|42nd|43rd|44th|45th|46th|47th|48th|49th|50th)\b/gi, '');
const cleanTitle2 = normalizeTitle(resultTitle).replace(/\b(season|2nd|3rd|4th|5th|6th|7th|8th|9th|10th|11th|12th|13th|14th|15th|16th|17th|18th|19th|20th|21st|22nd|23rd|24th|25th|26th|27th|28th|29th|30th|31st|32nd|33rd|34th|35th|36th|37th|38th|39th|40th|41st|42nd|43rd|44th|45th|46th|47th|48th|49th|50th)\b/gi, '');
const similarity = calculateTitleSimilarity(cleanTitle1, cleanTitle2);
// Add bonus for year match
let currentSimilarity = similarity;
if (anilistData.seasonYear && result.aired_from) {
const yearMatch = result.aired_from.includes(anilistData.seasonYear.toString());
if (yearMatch) currentSimilarity += 10; // Reduced from 15 to 10
}
// Add bonus for type match
if (expectedType && result.type && expectedType === result.type) {
currentSimilarity += 10; // Reduced from 20 to 10
}
// Add penalty for significant length difference
const lengthDiff = Math.abs(cleanTitle1.length - cleanTitle2.length);
if (lengthDiff > 10) {
currentSimilarity -= (lengthDiff * 0.5);
}
// Add penalty for completely different first words
const firstWord1 = cleanTitle1.split(' ')[0];
const firstWord2 = cleanTitle2.split(' ')[0];
if (firstWord1 && firstWord2 && firstWord1 !== firstWord2) {
currentSimilarity -= 20;
}
if (currentSimilarity > highestSimilarity) {
highestSimilarity = currentSimilarity;
bestMatch = result;
}
}
}
}
// Only return a match if similarity is above threshold
console.log(`Best match found with similarity: ${highestSimilarity}%`);
return highestSimilarity >= 70 ? bestMatch : null; // Increased threshold from 60 to 70
}
// Function to parse episode list response
function parseEpisodeList(episodeList) {
if (!episodeList?.result) return [];
const episodes = [];
for (const [key, value] of Object.entries(episodeList.result)) {
if (Array.isArray(value)) {
value.forEach(ep => {
episodes.push({
number: ep.number,
name: ep.name,
name_english: ep.name_english,
is_filler: ep.is_filler
});
});
}
}
return episodes.sort((a, b) => a.number - b.number);
}
// Function to fetch ani.zip mappings
async function getAniZipMappings(anilistId) {
try {
const response = await axios({
method: 'GET',
url: `https://api.ani.zip/mappings?anilist_id=${anilistId}`,
headers: {
'Accept': 'application/json'
}
});
return response.data;
} catch (error) {
console.error('Error fetching ani.zip mappings:', error.message);
return null;
}
}
// Main mapper function
async function mapAniListToAnicrush(anilistId) {
try {
// Get AniList details
const anilistData = await getAniListDetails(anilistId);
// Get ani.zip mappings for episode images
const aniZipData = await getAniZipMappings(anilistId);
// Try all possible titles for search
const titlesToTry = [
anilistData.title.romaji,
anilistData.title.english,
anilistData.title.native,
...(anilistData.synonyms || [])
].filter(Boolean);
let searchResults = null;
let bestMatch = null;
// Try each title until we find a match
for (const title of titlesToTry) {
console.log(`Trying title: ${title}`);
searchResults = await searchAnicrush(title);
bestMatch = findBestMatch(anilistData, searchResults);
if (bestMatch) break;
}
if (!bestMatch) {
throw new Error('No matching anime found on anicrush');
}
// Get episode list
const episodeList = await getEpisodeList(bestMatch.id);
const parsedEpisodes = parseEpisodeList(episodeList);
// Create episode mapping with images from ani.zip
const episodes = parsedEpisodes.map(ep => {
const aniZipEpisode = aniZipData?.episodes?.[ep.number] || {};
return {
number: ep.number,
name: ep.name,
name_english: ep.name_english,
is_filler: ep.is_filler,
id: `${bestMatch.id}?episode=${ep.number}`,
image: aniZipEpisode.image || null,
overview: aniZipEpisode.overview || null,
airDate: aniZipEpisode.airDate || null,
runtime: aniZipEpisode.runtime || null
};
});
return {
anilist_id: anilistId,
anicrush_id: bestMatch.id,
titles: {
romaji: anilistData.title.romaji,
english: anilistData.title.english,
native: anilistData.title.native,
synonyms: anilistData.synonyms,
anicrush: bestMatch.name,
anicrush_english: bestMatch.name_english,
additional: aniZipData?.titles || {}
},
type: bestMatch.type,
total_episodes: episodes.length,
episodes: episodes,
format: anilistData.format,
status: anilistData.status,
mal_score: bestMatch.mal_score,
genres: bestMatch.genres,
country_of_origin: anilistData.countryOfOrigin,
year: anilistData.seasonYear,
description: anilistData.description,
images: aniZipData?.images || []
};
} catch (error) {
console.error('Mapper error:', error.message);
throw error;
}
}
module.exports = {
mapAniListToAnicrush,
getCommonHeaders,
getAniZipMappings
};