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/* mal2go - MyAnimeList V2 API wrapper for Go
* Copyright (C) 2022 Vidhu Kant Sharma <vidhukant@protonmail.ch>
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>. */
package anime
import (
"encoding/json"
"errors"
"fmt"
"log"
"strconv"
)
const BASE_URL string = "https://api.myanimelist.net/v2/anime"
// in MAL documentation this is named Get Anime List
// TODO: handle errors (if any)
func SearchAnime(token, searchString string, limit, offset int) (AnimeSearch, error) {
var searchResults AnimeSearch
// if limit exceeds what MAL supports
if limit > 500 {
return searchResults, errors.New(fmt.Sprintf("SearchAnime: Limit too high(%d). Max limit is 500", limit))
} else if offset > 499 {
return searchResults, errors.New(fmt.Sprintf("SearchAnime: Offset too high(%d). Max offset for mal2go is 499", offset))
}
// generate endpoint url with custom params
endpoint, _ := urlGenerator(
BASE_URL,
[]string{"q", "limit", "offset"},
[][]string{{searchString}, {strconv.Itoa(limit)}, {strconv.Itoa(offset)}},
true,
)
var animeSearchData AnimeSearchRaw
data := requestHandler(token, endpoint)
json.Unmarshal([]byte(data), &animeSearchData)
// Adding all the animes to another list to get formatted results later
var animes []Anime
for _, element := range animeSearchData.Data {
animes = append(animes, element.Anime)
}
// finally generate AnimeList
searchResults = AnimeSearch {
Animes: animes,
Paging: animeSearchData.Paging,
}
return searchResults, nil
}
// Each anime has its own ID on MAL
func GetAnimeById(token string, animeId int, fields []string) (Anime, error) {
var anime Anime
// Check if given fields are valid
for _, j := range(fields) {
if !isValidField(j) {
return anime, errors.New(fmt.Sprintf("GetAnimeById: Invalid field specified: \"%s\"", j))
}
}
// default fields to use when none are specified
defaultFields := []string{
"id", "title", "main_picture",
"alternative_titles", "start_date",
"end_date", "synopsis", "mean", "rank",
"popularity", "num_list_users",
"num_scoring_users", "nsfw", "created_at",
"updated_at", "media_type", "status",
"genres", "my_list_status", "num_episodes",
"start_season", "broadcast", "source",
"average_episode_duration", "rating",
"pictures", "background", "related_anime",
"related_manga", "recommendations",
"studios", "statistics",
}
if cap(fields) == 0 {
fields = defaultFields
log.Println("GetAnimeById: WARN: No fields specified, using all default fields to get data")
}
endpoint, _ := urlGenerator(
BASE_URL + "/" + strconv.Itoa(animeId),
[]string{"fields"},
/* it seems to still return all fields from the API.
* this might be an issue with MAL itself
* TODO: look into this */
[][]string{fields},
true,
)
data := requestHandler(token, endpoint)
json.Unmarshal([]byte(data), &anime)
return anime, nil
}
// Ranking is a list of anime sorted by their rank
func GetAnimeRanking(token string, rankingType string, limit int, offset int) (AnimeRanking, error) {
var animeRanking AnimeRanking
// if limit exceeds what MAL supports
if limit > 500 {
return animeRanking, errors.New(fmt.Sprintf("GetAnimeRanking: Limit too high(%d). Max limit is 500", limit))
} else if offset > 499 {
return animeRanking, errors.New(fmt.Sprintf("GetAnimeRanking: Offset too high(%d). Max offset for mal2go is 499", offset))
}
// if ranking type is invalid
if !isValidRankingType(rankingType) {
return animeRanking, errors.New(fmt.Sprintf("GetAnimeRanking: Invalid ranking type specified: \"%s\"", rankingType))
}
endpoint, _ := urlGenerator(
BASE_URL + "/ranking",
[]string{"ranking_type", "limit", "offset"},
[][]string{{rankingType}, {strconv.Itoa(limit)}, {strconv.Itoa(offset)}},
true,
)
// gets data from API and stores it in a struct
var rankingData RawRanking
data := requestHandler(token, endpoint)
json.Unmarshal([]byte(data), &rankingData)
// Adding all the animes in ranking list to a slice
var animeRankingTitles []AnimeRankingTitle
for _, element := range rankingData.Data {
animeRankingTitles = append(
animeRankingTitles,
AnimeRankingTitle {
Anime: element.Anime,
RankNum: element.Ranking.Rank,
},
)
}
// Finally, create the AnimeRanking object
animeRanking = AnimeRanking {
Titles: animeRankingTitles,
Paging: ListPaging {
NextPage: rankingData.Paging.NextPage,
PrevPage: rankingData.Paging.PrevPage,
},
}
return animeRanking, nil
}
|
