Web-based Calendar Aggregator https://ticker.c3d2.de/
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

151 lines
4.9 KiB

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