79 lines
2.1 KiB
Rust
79 lines
2.1 KiB
Rust
//! Various objects that implement Calendar-related traits
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pub mod cached_calendar;
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pub mod remote_calendar;
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use std::convert::TryFrom;
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use std::error::Error;
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use serde::{Deserialize, Serialize};
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use bitflags::bitflags;
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bitflags! {
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#[derive(Serialize, Deserialize)]
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pub struct SupportedComponents: u8 {
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/// An event, such as a calendar meeting
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const EVENT = 1;
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/// A to-do item, such as a reminder
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const TODO = 2;
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}
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}
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impl SupportedComponents {
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pub fn to_xml_string(&self) -> String {
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format!(r#"
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<B:supported-calendar-component-set>
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{} {}
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</B:supported-calendar-component-set>
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"#,
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if self.contains(Self::EVENT) { "<B:comp name=\"VEVENT\"/>" } else { "" },
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if self.contains(Self::TODO) { "<B:comp name=\"VTODO\"/>" } else { "" },
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)
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}
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}
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impl TryFrom<minidom::Element> for SupportedComponents {
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type Error = Box<dyn Error>;
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/// Create an instance from an XML <supported-calendar-component-set> element
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fn try_from(element: minidom::Element) -> Result<Self, Self::Error> {
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if element.name() != "supported-calendar-component-set" {
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return Err("Element must be a <supported-calendar-component-set>".into());
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}
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let mut flags = Self::empty();
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for child in element.children() {
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match child.attr("name") {
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None => continue,
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Some("VEVENT") => flags.insert(Self::EVENT),
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Some("VTODO") => flags.insert(Self::TODO),
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Some(other) => {
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log::warn!("Unimplemented supported component type: {:?}. Ignoring it", other);
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continue
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},
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};
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}
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Ok(flags)
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}
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}
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/// Flags to tell which events should be retrieved
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pub enum SearchFilter {
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/// Return all items
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All,
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/// Return only tasks
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Tasks,
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// /// Return only completed tasks
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// CompletedTasks,
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// /// Return only calendar events
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// Events,
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}
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impl Default for SearchFilter {
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fn default() -> Self {
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SearchFilter::All
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}
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}
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