153 lines
4.9 KiB
Rust
153 lines
4.9 KiB
Rust
use std::convert::TryInto;
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use gotham::{
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helpers::http::response::create_response,
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hyper::{Body, Response},
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state::{FromState, State},
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};
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use http::status::StatusCode;
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use mime::TEXT_HTML;
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use typed_html::{html, text, dom::DOMTree, types::{Class, SpacedSet}};
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use diesel::prelude::*;
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use chrono::{offset::Local, Datelike, Duration, NaiveDate};
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use libticker::{
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schema::{self, events::dsl::events},
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model::Event,
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};
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use crate::AppState;
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fn fix_url(s: &str) -> std::borrow::Cow<str> {
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if s.starts_with("http:") || s.starts_with("https:") {
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s.into()
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} else {
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format!("http://{}", s).into()
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}
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}
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struct DayEvents<'e> {
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date: NaiveDate,
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events: &'e [Event],
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}
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/// assumes pre-sorted input
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fn group_by_day(es: &[Event]) -> Vec<DayEvents> {
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let mut results = vec![];
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let mut prev_date = None;
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let mut date_start = 0;
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for (i, event) in es.iter().enumerate() {
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if prev_date.is_some() && prev_date != Some(event.dtstart.date()) {
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if i > date_start {
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results.push(DayEvents {
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date: prev_date.unwrap().clone(),
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events: &es[date_start..i],
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});
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date_start = i;
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}
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}
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prev_date = Some(event.dtstart.date());
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}
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results
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}
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fn render_index(app_state: &AppState) -> String {
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let db = app_state.db.lock().unwrap();
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let today = Local::today().naive_local().and_hms(0, 0, 0);
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let limit = Local::today().naive_local().and_hms(0, 0, 0) +
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Duration::weeks(2);
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let es = events
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.filter(schema::events::dtend.ge(&today))
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.or_filter(schema::events::dtstart.ge(&today))
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.filter(schema::events::dtstart.lt(&limit))
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.order_by(schema::events::dtstart.asc())
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.then_order_by(schema::events::dtend.desc())
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.load::<Event>(&*db)
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.unwrap();
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let days = group_by_day(&es);
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let config = &app_state.config;
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let doc: DOMTree<String> = html!(
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<html>
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<head>
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<title>"Ticker"</title>
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<meta charset="utf-8"/>
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<meta name="viewport" content="width=device-width"/>
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<link rel="stylesheet" title="Style" type="text/css" href="static/style.css"/>
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<link rel="icon" type="image/png" href="static/favicon.png"/>
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</head>
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<body>
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{ days.iter().map(|day| {
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let mut day_class: SpacedSet<Class> = ["date"].try_into().unwrap();
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day_class.add(&format!("wd{}", day.date.weekday().num_days_from_monday())[..]);
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html!(
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<div>
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<h2>
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<span class={ day_class }>
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<span class="day">
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{ text!("{}", day.date.day()) }
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</span>
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<span class="month">
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{ text!("{}", &config.months[day.date.month0() as usize]) }
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</span>
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</span>
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<span class="weekday">
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{ text!("{}", &config.weekdays[day.date.weekday().num_days_from_monday() as usize]) }
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</span>
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</h2>
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{ day.events.iter().map(|e| html!(
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<article class="event"
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style={ format!("border-left: 1.5rem solid {}", &config.calendars.get(&e.calendar).map(|o| &o.color[..]).unwrap_or("white")) }
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>
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<p class="dtstart"
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title={ format!("{}", e.dtstart.format("%c")) }
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>
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{ text!("{}", &e.dtstart.format("%H:%M")) }
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</p>
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{ match &e.url {
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None => html!(
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<h3>{ text!("{}", &e.summary) }</h3>
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),
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Some(url) => html!(
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<h3>
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<a href={ fix_url(url) }>
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{ text!("{}", &e.summary) }
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</a>
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</h3>
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),
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} }
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<p class="location">
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{ text!("{}", e.location.as_ref().unwrap_or(&"".to_owned())) }
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</p>
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</article>
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)) }
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</div>)
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}) }
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<footer>
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<p>
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"Ein Projekt des "
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<a href="https://www.c3d2.de/">"C3D2"</a>
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" - "
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<a href="https://gitea.c3d2.de/astro/ticker">"Code"</a>
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</p>
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</footer>
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</body>
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</html>
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);
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format!("<!DOCTYPE html>\n{}", doc.to_string())
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}
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pub fn index(state: State) -> (State, Response<Body>) {
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let message = {
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let app_state = AppState::borrow_from(&state);
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render_index(app_state)
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};
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let res = create_response(&state, StatusCode::OK, TEXT_HTML, message);
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(state, res)
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}
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