modbot 0.9.0

Discord bot for https://mod.io. ModBot provides commands to search for mods and notifications about added & edited mods.
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use std::fmt::Write;

use modio::request::filter::prelude::*;
use modio::types::games::Game;
use modio::util::DataFromRequest;
use twilight_model::application::command::{Command, CommandType};
use twilight_model::application::interaction::application_command::{
    CommandData, CommandDataOption, CommandOptionValue,
};
use twilight_model::application::interaction::{Interaction, InteractionContextType};
use twilight_model::channel::message::embed::EmbedField;
use twilight_model::channel::message::Embed;
use twilight_util::builder::command::{CommandBuilder, StringBuilder};
use twilight_util::builder::embed::{EmbedBuilder, ImageSource};

use super::{
    autocomplete_games, create_response, defer_response, update_response_content,
    update_response_from_content, AutocompleteExt, EphemeralMessage, InteractionExt,
};
use crate::bot::Context;
use crate::error::Error;
use crate::util::text::ContentBuilder;
use crate::util::IntoFilter;

pub fn commands() -> Vec<Command> {
    vec![
        CommandBuilder::new(
            "games",
            "List all games on <https://mod.io>",
            CommandType::ChatInput,
        )
        .option(StringBuilder::new("search", "ID or search").autocomplete(true))
        .build(),
        CommandBuilder::new("game", "Display the default game.", CommandType::ChatInput)
            .contexts([InteractionContextType::Guild])
            .build(),
    ]
}

pub async fn games(
    ctx: &Context,
    interaction: &Interaction,
    command: &CommandData,
) -> Result<(), Error> {
    if let Some(("search", value)) = command.autocomplete() {
        return autocomplete_games(ctx, interaction, value).await;
    }

    let filter = match command.options.as_slice() {
        [CommandDataOption {
            value: CommandOptionValue::String(s),
            ..
        }] => s.into_filter(),
        _ => Filter::default(),
    };

    defer_response(ctx, interaction).await?;

    let games = ctx.modio.get_games().filter(filter).data().await?;
    let mut games = games.data.into_iter();

    match games.size_hint() {
        (0, _) => update_response_content(ctx, interaction, "No games found.").await,
        (1, _) => {
            let game = games.next();
            if let Some(game) = game {
                let embed = create_embed(game);

                ctx.interaction()
                    .update_response(&interaction.token)
                    .content(Some("Found 1 game."))
                    .embeds(Some(&[embed]))
                    .await?;

                Ok(())
            } else {
                update_response_content(ctx, interaction, "No games found.").await
            }
        }
        _ => {
            let mut buf = ContentBuilder::new(4000);
            for game in games {
                _ = writeln!(&mut buf, "`{}.` {}", game.id, game.name);
            }

            update_response_from_content(ctx, interaction, "Games", &buf.content).await
        }
    }
}

pub async fn game(ctx: &Context, interaction: &Interaction) -> Result<(), Error> {
    let game_id = match interaction.guild_id() {
        Some(guild_id) => ctx.settings.game(guild_id)?.map(|id| id.0),
        _ => None,
    };

    let Some(game_id) = game_id else {
        let data = "Default game is not set.".into_ephemeral();

        return create_response(ctx, interaction, data).await;
    };

    defer_response(ctx, interaction).await?;

    let game = ctx.modio.get_game(game_id).data().await?;

    let embed = create_embed(game);

    ctx.interaction()
        .update_response(&interaction.token)
        .embeds(Some(&[embed]))
        .await?;

    Ok(())
}

fn create_embed(game: Game) -> Embed {
    let mut embed = EmbedBuilder::new()
        .title(game.name)
        .url(game.profile_url.to_string())
        .description(game.summary)
        .image(ImageSource::url(game.logo.thumb_640x360).unwrap())
        .field(EmbedField {
            name: "Info".into(),
            value: format!(
                r"**Id:** {}
**Name-Id:** {}
**Profile:** {}",
                game.id, game.name_id, game.profile_url,
            ),
            inline: true,
        });

    if let Some(stats) = game.stats {
        embed = embed.field(EmbedField {
            name: "Stats".into(),
            value: format!(
                r"**Mods:** {}
**Subscribers:** {}
**Downloads:** {}",
                stats.mods_total, stats.subscribers_total, stats.downloads.total,
            ),
            inline: true,
        });
    }
    embed.build()
}