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ji-chan/src/commands/challenge.rs

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use crate::utils::*;
use serde_json::Map;
use crate::serenity;
use crate::Error;
use crate::{Context, PrefixContext};
use poise::command;
use slug::slugify;
use std::fs;
use std::fs::File;
use std::io::Write;
use std::path::Path;
#[command(
prefix_command,
slash_command,
ephemeral,
description_localized("en-US", "View the latest handwriting challenge info.")
)]
pub async fn challenge(ctx: Context<'_>) -> Result<(), Error> {
ctx.say(format!(
"Tegaki Tuesday #{n}: <https://tegakituesday.com/{n}>",
n = get_challenge_number()
))
.await?;
Ok(())
}
#[command(
prefix_command,
broadcast_typing,
description_localized("en-US", "Submit to the latest handwriting challenge.")
)]
pub async fn submit(ctx: PrefixContext<'_>) -> Result<(), Error> {
// TODO: The code for this command needs to be refactored,
// there are large duplicated sections that need to be merged somehow.
let guild_data = get_guild_data();
let guild = ctx.msg.guild_id.unwrap().as_u64().to_string();
if !guild_data.contains_key(&guild)
|| !&guild_data[&guild]
.as_object()
.unwrap()
.contains_key("submissionChannel")
{
ctx.msg
.reply(
&ctx.discord.http,
"Submissions aren't enabled for this server yet.",
)
.await?;
return Ok(());
}
let current_guild_data = &guild_data[&guild].as_object().unwrap();
let submission_channel = current_guild_data["submissionChannel"].as_str().unwrap();
if submission_channel != ctx.msg.channel_id.as_u64().to_string() {
ctx.msg
.reply(
&ctx.discord.http,
format!(
"Sorry, submissions aren't permitted here. Please go to <#{}>. Thanks!",
guild
),
)
.await?;
return Ok(());
}
if ctx.msg.attachments.len() == 0 {
ctx.msg
.reply(&ctx.discord.http, "Please attach at least one image.")
.await?;
return Ok(());
}
let challenge_number = get_challenge_number();
let submission_images_dir = get_submission_images_dir();
// Ensure that submission_images_dir exists
let path = Path::new(&submission_images_dir);
std::fs::create_dir_all(path)?;
let mut submission_data = get_current_submission_data();
let mut existing_submitter = false;
let mut invalid_types = false;
let mut requires_rebuild = false;
for (i, submission) in submission_data.iter_mut().enumerate() {
if is_matching_submission(&submission, &ctx.msg.author) {
existing_submitter = true;
let mut images = submission["images"].as_array_mut().unwrap().clone();
for attachment in ctx.msg.attachments.iter() {
let extension;
if let Some(content_type) = &attachment.content_type {
if content_type == "image/png" {
extension = "png";
} else if content_type == "image/jpeg" {
extension = "jpg";
} else {
invalid_types = true;
continue;
}
} else {
invalid_types = true;
continue;
}
requires_rebuild = true;
let file_name = format!(
"{}-{}-{}-{}.{}",
i + 1,
slugify(&ctx.msg.author.name),
ctx.msg.author.discriminator,
images.len() + 1,
extension
);
images.push(file_name.clone().into());
let image = reqwest::get(&attachment.url).await?.bytes().await?;
let mut image_file =
File::create(format!("{}/{}", submission_images_dir, file_name))?;
image_file.write_all(&image)?;
image_file.flush()?;
}
submission["images"] = images.into();
break;
}
}
if !existing_submitter {
let mut submitter_data = Map::new();
submitter_data.insert(
String::from("username"),
format!("{}#{}", ctx.msg.author.name, ctx.msg.author.discriminator).into(),
);
let mut images: Vec<String> = Vec::new();
for attachment in ctx.msg.attachments.iter() {
let extension;
if let Some(content_type) = &attachment.content_type {
if content_type == "image/png" {
extension = "png";
} else if content_type == "image/jpeg" {
extension = "jpg";
} else {
invalid_types = true;
continue;
}
} else {
invalid_types = true;
continue;
}
requires_rebuild = true;
let file_name = format!(
"{}-{}-{}{}.{}",
submission_data.len() + 1,
slugify(&ctx.msg.author.name),
ctx.msg.author.discriminator,
if images.len() == 0 {
String::from("")
} else {
format!("-{}", images.len() + 1)
},
extension
);
images.push(file_name.clone().into());
let image = reqwest::get(&attachment.url).await?.bytes().await?;
let mut image_file = File::create(format!("{}/{}", submission_images_dir, file_name))?;
image_file.write_all(&image)?;
image_file.flush()?;
}
submitter_data.insert(String::from("images"), images.into());
submitter_data.insert(
String::from("id"),
ctx.msg.author.id.as_u64().to_string().into(),
);
submission_data.push(submitter_data.into());
}
set_submission_data(submission_data);
let mut message = String::new();
if requires_rebuild {
message.push_str(&format!("Thank you for submitting! You can view your submission at <https://tegakituesday.com/{}>", challenge_number));
if invalid_types {
message.push_str("\nSome of your attachments could not be uploaded; only **.png**, **.jpg**, and **.jpeg** files are permitted.");
}
leaderboard(&ctx).await?;
rebuild_site();
} else if invalid_types {
message.push_str("Sorry, your submission could not be uploaded; only **.png**, **.jpg**, and **.jpeg** files are permitted.");
}
ctx.msg.reply(&ctx.discord.http, message).await?;
Ok(())
}
#[command(
prefix_command,
slash_command,
ephemeral,
description_localized("en-US", "List images in your current submission, if available.")
)]
pub async fn images(ctx: Context<'_>) -> Result<(), Error> {
let submission_data = get_current_submission_data();
let images: Vec<String> = {
let mut images = Vec::new();
for submission in submission_data.iter() {
if is_matching_submission(&submission, &ctx.author()) {
for image in submission["images"].as_array().unwrap().iter() {
images.push(String::from(image.as_str().unwrap()));
}
break;
}
}
images
};
let challenge_number = get_challenge_number();
if images.len() == 0 {
ctx.say(format!(
"You haven't submitted anything for Tegaki Tuesday #{}.",
challenge_number
))
.await?;
return Ok(());
}
let mut message = String::from(format!(
"Your submission images for Tegaki Tuesday #{}:\n",
challenge_number
));
for (i, image) in images.iter().enumerate() {
message.push_str(&format!(
"{}<https://tegakituesday.com/{}/{}>\n",
to_fullwidth(&(i + 1).to_string()),
challenge_number,
image
));
}
ctx.say(message).await?;
Ok(())
}
#[command(
prefix_command,
slash_command,
ephemeral,
description_localized(
"en-US",
"Delete images from your current submission using image numbers from the images command."
)
)]
pub async fn imagedelete(ctx: Context<'_>, number: i32) -> Result<(), Error> {
if number < 1 {
ctx.say("That isn't a valid image number. Image numbers start at 1.")
.await?;
return Ok(());
}
let challenge_number = get_challenge_number();
let mut submission_data = get_current_submission_data();
for (i, submission) in submission_data.iter_mut().enumerate() {
if !is_matching_submission(&submission, &ctx.author()) {
continue;
}
let mut images = submission["images"].as_array().unwrap().clone();
let image_count = images.len();
if image_count < number.try_into().unwrap() {
ctx.say(if image_count == 0 {
// This is an edge case that should never happen.
// In this scenario, there is submission data with an empty image list.
// Submission data should be deleted uppon imageDelete if there are no images remaining.
format!(
"You haven't submitted anything for Tegaki Tuesday #{}.",
challenge_number
)
} else {
format!(
"That image number doesn't exist, you only have {} image{}.",
image_count,
if image_count == 1 { "" } else { "s" }
)
})
.await?;
return Ok(());
}
let index = number as usize - 1;
let image = images[index].as_str().unwrap().to_owned();
let submission_images_dir = get_submission_images_dir();
let image_path = format!("{}/{}", submission_images_dir, image);
match fs::remove_file(image_path) {
Ok(_) => (),
// No need to worry about if the file is already missing
Err(ref e) if e.kind() == std::io::ErrorKind::NotFound => (),
Err(_) => panic!("Failed to remove file"),
};
let mut message = String::from(format!("Deleted **{}** from your submission.", image));
if images.len() == 1 {
message.push_str(" As there are no more images left attached to your submission, it has been deleted.");
submission_data.remove(i);
} else {
images.remove(index);
// One must rename all of the submitted images to prevent overwrites.
// Consider the following scenario:
// The submissions are ["bob-1234.png", "bob-1234-2.png"]
// Bob uses the command imageDelete 1
// The submissions become ["bob-1234-2.png"]
// Bob makes a second submission
// The submissions become ["bob-1234-2.png", "bob-1234-2.png"]
// The original bob-1234-2.png gets overwriten,
// and both submissions end up pointing to the same image.
// In order to prevent this, images need to be renamed according to their index.
for (j, image) in images.iter_mut().enumerate() {
let old = image.as_str().unwrap();
let from = format!("{}/{}", submission_images_dir, old);
let author = ctx.author();
let new = format!(
"{}-{}-{}{}.{}",
i + 1,
slugify(&author.name),
author.discriminator,
if j == 0 {
String::from("")
} else {
format!("-{}", j + 1)
},
Path::new(old).extension().unwrap().to_str().unwrap()
);
let to = format!("{}/{}", submission_images_dir, new);
fs_extra::file::move_file(from, to, &fs_extra::file::CopyOptions::default())
.unwrap();
*image = new.into();
}
submission["images"] = images.into();
}
set_submission_data(submission_data);
rebuild_site();
ctx.say(message).await?;
return Ok(());
}
ctx.say(format!(
"You haven't submitted anything for Tegaki Tuesday #{}.",
challenge_number
))
.await?;
Ok(())
}
// TODO: make also slash command
#[command(
prefix_command,
description_localized("en-US", "Make a suggestion for future challenge prompts!")
)]
pub async fn suggest(
ctx: PrefixContext<'_>,
#[description = "Suggestion text. Please include passage and source."] suggestion: String,
) -> Result<(), Error> {
let guild_data = get_guild_data();
let channel = serenity::ChannelId(
guild_data["suggestionChannel"]
.as_str()
.unwrap()
.parse::<u64>()
.unwrap(),
);
// User::accent_colour is only available via the REST API
// If we just do msg.author.accent_colour here, we will get None
let author = &ctx.msg.author;
let accent_color = ctx
.discord
.http
.get_user(*author.id.as_u64())
.await
.unwrap()
.accent_colour;
channel
.send_message(&ctx.discord.http, |m| {
m.allowed_mentions(|am| {
am.empty_parse();
am
});
m.embed(|e| {
let username = format!("{}#{}", author.name, author.discriminator);
e.title("New suggestion");
e.description(format!(
"{}\n\n[See original message]({})",
suggestion,
ctx.msg.link(),
));
let mut embed_author = serenity::builder::CreateEmbedAuthor::default();
embed_author
.icon_url(get_avatar(&author))
.name(username)
.url(format!("https://discord.com/users/{}", author.id));
e.set_author(embed_author);
if let Some(accent_color) = accent_color {
e.color(accent_color);
}
e
});
m
})
.await
.unwrap();
ctx.msg.reply(&ctx.discord.http, "Suggestion sent! Thank you for making a suggestion. If it is chosen to be used in a future challenge, you will be mentioned in the challenge description!").await?;
Ok(())
}