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use bitflags::bitflags;
use std::fmt::Display;
bitflags! {
pub struct AnimeFields: u32 {
const ID = 0b0000_0000_0000_0000_0000_0000_0000_0001;
const Title = 0b0000_0000_0000_0000_0000_0000_0000_0010;
const MainPicture = 0b0000_0000_0000_0000_0000_0000_0000_0100;
const AlternativeTitles = 0b0000_0000_0000_0000_0000_0000_0000_1000;
const StartDate = 0b0000_0000_0000_0000_0000_0000_0001_0000;
const EndDate = 0b0000_0000_0000_0000_0000_0000_0010_0000;
const Synopsis = 0b0000_0000_0000_0000_0000_0000_0100_0000;
const Mean = 0b0000_0000_0000_0000_0000_0000_1000_0000;
const Rank = 0b0000_0000_0000_0000_0000_0001_0000_0000;
const Popularity = 0b0000_0000_0000_0000_0000_0010_0000_0000;
const NumListUsers = 0b0000_0000_0000_0000_0000_0100_0000_0000;
const NumScoringUsers = 0b0000_0000_0000_0000_0000_1000_0000_0000;
const NSFW = 0b0000_0000_0000_0000_0001_0000_0000_0000;
const CreatedAt = 0b0000_0000_0000_0000_0010_0000_0000_0000;
const UpdatedAt = 0b0000_0000_0000_0000_0100_0000_0000_0000;
const MediaType = 0b0000_0000_0000_0000_1000_0000_0000_0000;
const Status = 0b0000_0000_0000_0001_0000_0000_0000_0000;
const Genres = 0b0000_0000_0000_0010_0000_0000_0000_0000;
const MyListStatus = 0b0000_0000_0000_0100_0000_0000_0000_0000;
const NumEpisodes = 0b0000_0000_0000_1000_0000_0000_0000_0000;
const StartSeason = 0b0000_0000_0001_0000_0000_0000_0000_0000;
const Broadcast = 0b0000_0000_0010_0000_0000_0000_0000_0000;
const Source = 0b0000_0000_0100_0000_0000_0000_0000_0000;
const AverageEpisodeDuration = 0b0000_0000_1000_0000_0000_0000_0000_0000;
const Rating = 0b0000_0001_0000_0000_0000_0000_0000_0000;
const Pictures = 0b0000_0010_0000_0000_0000_0000_0000_0000;
const Background = 0b0000_0100_0000_0000_0000_0000_0000_0000;
const RelatedAnime = 0b0000_1000_0000_0000_0000_0000_0000_0000;
const RelatedManga = 0b0001_0000_0000_0000_0000_0000_0000_0000;
const Recommendations = 0b0010_0000_0000_0000_0000_0000_0000_0000;
const Studios = 0b0100_0000_0000_0000_0000_0000_0000_0000;
const Statistics = 0b1000_0000_0000_0000_0000_0000_0000_0000;
const ALL = 0b1111_1111_1111_1111_1111_1111_1111_1111;
}
}
macro_rules! generate_get_anime_fields_names {
{$ ($perm:ident => $name:expr),* $(,)?} => {
impl AnimeFields {
pub fn get_fields_names(self) -> Vec<&'static str> {
let mut names = Vec::new();
$(
if self.$perm() {
names.push($name);
}
)*
names
}
}
}
}
generate_get_anime_fields_names! {
id => "id",
title => "title",
main_picture => "main_picture",
alternative_titles => "alternative_titles",
start_date => "start_date",
end_date => "end_date",
synopsis => "synopsis",
mean => "mean",
rank => "rank",
popularity => "popularity",
num_list_users => "num_list_users",
num_scoring_users => "num_scoring_users",
nsfw => "nsfw",
created_at => "created_at",
updated_at => "updated_at",
media_type => "media_type",
status => "status",
genres => "genres",
my_list_status => "my_list_status",
num_episodes => "num_episodes",
start_season => "start_season",
broadcast => "broadcast",
source => "source",
average_episode_duration => "average_episode_duration",
rating => "rating",
pictures => "pictures",
background => "background",
related_anime => "related_anime",
related_manga => "related_manga",
recommendations => "recommendations",
studios => "studios",
statistics => "statistics",
}
macro_rules! bits {
($($fn_name:ident => $bit_name:ident),* $(,)?) => {
impl AnimeFields {
$(
pub fn $fn_name(self) -> bool {
self.contains(Self::$bit_name)
}
)*
}
};
}
bits!(
id => ID,
title => Title,
main_picture => MainPicture,
alternative_titles => AlternativeTitles,
start_date => StartDate,
end_date => EndDate,
synopsis => Synopsis,
mean => Mean,
rank => Rank,
popularity => Popularity,
num_list_users => NumListUsers,
num_scoring_users => NumScoringUsers,
nsfw => NSFW,
created_at => CreatedAt,
updated_at => UpdatedAt,
media_type => MediaType,
status => Status,
genres => Genres,
my_list_status => MyListStatus,
num_episodes => NumEpisodes,
start_season => StartSeason,
broadcast => Broadcast,
source => Source,
average_episode_duration => AverageEpisodeDuration,
rating => Rating,
pictures => Pictures,
background => Background,
related_anime => RelatedAnime,
related_manga => RelatedManga,
recommendations => Recommendations,
studios => Studios,
statistics => Statistics,
);
impl Display for AnimeFields {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.get_fields_names().join(","))
}
}