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use std::error::Error;
use chrono::{SecondsFormat, TimeZone, Utc};
use serde::{Serialize, Deserialize};
use crate::http_util;
use crate::destination::message_condition::MessageNotifyConditionConfigEntry;
use crate::destination::{MessageDestination, SerializableDestination};
use crate::message::formatted_detail::{FormattedMessageComponent, FormattedString, Style};
use crate::message::{Level, Message, MessageDetail};
#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
pub struct DiscordDestination {
url: String,
username: Option<String>,
#[serde(default = "Vec::new")]
notify: Vec<MessageNotifyConditionConfigEntry<String>>,
}
impl DiscordDestination {
pub fn new(url: String) -> Self {
Self {
url,
username: None,
notify: vec![]
}
}
fn to_discord_message(&self, message: &Message) -> discord_webhook::models::Message {
let mut discord_msg = discord_webhook::models::Message::new();
let notify_receivers: Vec<String> = self.notify.iter().filter(|n| n.matches(message))
.map(|n| n.get_notify())
.map(|s| s.to_owned())
.collect();
if !notify_receivers.is_empty() {
let content = notify_receivers.join(" ");
discord_msg.content(&content);
}
discord_msg.embed(|embed| {
embed.title(message.get_title().as_deref().unwrap_or("Rnotify Notification"));
let timestamp = Utc::timestamp_millis(&Utc, message.get_unix_timestamp_millis());
let footer_str = format!("{} @ {}\n{} v{}",
timestamp.to_rfc3339_opts(SecondsFormat::Millis, true),
message.get_author(),
env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"));
embed.footer(&footer_str, None);
let color = get_color_from_level(message.get_level());
embed.color(&format!("{}", color));
if let Some(component) = message.get_component() {
embed.author(&format!("[{}]", component), None, None);
}
match message.get_message_detail() {
MessageDetail::Raw(raw) => { embed.description(raw); },
MessageDetail::Formatted(formatted) => {
for component in formatted.components() {
match component {
FormattedMessageComponent::Section(title, contents) => {
let string: String = contents.iter().map(|s| to_discord_format(s)).collect();
embed.field(title, &string, false);
}
FormattedMessageComponent::Text(text) => {
let string: String = text.iter().map(|s| to_discord_format(s)).collect();
embed.description(&string);
}
}
}
}
}
return embed;
});
discord_msg
}
}
fn to_discord_format(formatted_string: &FormattedString) -> String {
let mut result = String::from(formatted_string.get_string());
for style in formatted_string.get_styles() {
result = apply_style(&result, style);
}
result
}
fn apply_style(s: &str, style: &Style) -> String {
match style {
Style::Bold => format!("**{}**", s),
Style::Italics => format!("_{}_", s),
Style::Monospace => {
if s.is_empty() || s.contains('\n') {
format!("```\n{}\n```", s);
}
format!("`{}`", s)
},
Style::Code { lang} => format!("```{}\n{}```", lang, s),
}
}
impl MessageDestination for DiscordDestination {
fn send(&self, message: &Message) -> Result<(), Box<dyn Error>> {
let discord_msg = self.to_discord_message(message);
http_util::post_as_json_to(&self.url, &discord_msg)
}
}
#[typetag::serde(name = "Discord")]
impl SerializableDestination for DiscordDestination {
fn as_message_destination(&self) -> &dyn MessageDestination {
self
}
}
fn get_color_from_level(level: &Level) -> u32 {
match level {
Level::Info => 0x00F4D0,
Level::Warn => 0xFFFF00,
Level::Error => 0xFF0000,
Level::SelfError => 0xB30000,
}
}
#[cfg(test)]
mod tests {
use std::fs;
use crate::destination::kinds::discord::DiscordDestination;
#[test]
fn test_deserialize() {
let s = fs::read_to_string("test/discord_example.toml").expect("Should be able to read file");
let dest: DiscordDestination = toml::from_str(&s).expect("Should deserialize");
let expected = DiscordDestination::new("https://discord.com/api/webhooks/11111111111111/2aaaaaaaaaaaaaaaaa".to_string());
assert_eq!(dest, expected);
}
}