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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
func SearchAnime(token, searchString string, limit, offset int, fields []string) (AnimeSearch, error) {
var searchResults AnimeSearch
// error handling for limit and offset
limitsErr := limitsErrHandler(limit, offset)
if limitsErr != nil {
log.Println(limitsErr)
}
// handle all the errors for the fields
fields, err := fieldsErrHandler(fields)
if err != nil {
log.Println(err)
}
// generate endpoint url with custom params
endpoint, _ := urlGenerator(
BASE_URL,
[]string{"q", "limit", "offset", "fields"},
[][]string{{searchString}, {strconv.Itoa(limit)}, {strconv.Itoa(offset)}, fields},
true,
)
// gets data from API and stores it in a struct
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
// handle all the errors for the fields
fields, err := fieldsErrHandler(fields)
if err != nil {
log.Println(err)
}
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, offset int, fields []string) (AnimeRanking, error) {
var animeRanking AnimeRanking
// error handling for limit and offset
limitsErr := limitsErrHandler(limit, offset)
if limitsErr != nil {
log.Println(limitsErr)
}
// handle all the errors for the fields
fields, err := fieldsErrHandler(fields)
if err != nil {
log.Println(err)
}
// 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", "fields"},
[][]string{{rankingType}, {strconv.Itoa(limit)}, {strconv.Itoa(offset)}, fields},
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
}
// get list of animes from specified season
func GetSeasonalAnime(token, year, season, sort string, limit, offset int, fields []string) (SeasonalAnime, error) {
var seasonalAnime SeasonalAnime
// error handling for limit and offset
limitsErr := limitsErrHandler(limit, offset)
if limitsErr != nil {
log.Println(limitsErr)
}
// handle all the errors for the fields
fields, err := fieldsErrHandler(fields)
if err != nil {
log.Println(err)
}
// checks if valid season is specified
if !isValidSeason(season) {
return seasonalAnime, errors.New(fmt.Sprintf("GetSeasonalAnime: Invalid season specified: \"%s\"", season))
}
// checks if valid sort is specified
if !isValidSort(sort) {
return seasonalAnime, errors.New(fmt.Sprintf("GetSeasonalAnime: Invalid sort specified: \"%s\"", sort))
}
endpoint, _ := urlGenerator(
BASE_URL + fmt.Sprintf("/season/%s/%s", year, season),
[]string{"sort", "limit", "offset", "fields"},
[][]string{{sort}, {strconv.Itoa(limit)}, {strconv.Itoa(offset)}, fields},
true,
)
// gets data from API and stores it in a struct
var seasonalAnimeData SeasonalAnimeRaw
data := requestHandler(token, endpoint)
json.Unmarshal([]byte(data), &seasonalAnimeData)
// Adding all the animes to another list to get formatted results later
var animes []Anime
for _, element := range seasonalAnimeData.Data {
animes = append(animes, element.Anime)
}
// finally generate SeasonalAnime
seasonalAnime = SeasonalAnime {
Animes: animes,
Paging: seasonalAnimeData.Paging,
Season: seasonalAnimeData.Season,
}
return seasonalAnime, nil
}
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