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@ -16,9 +16,12 @@
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/ |
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use std::ffi::OsString; |
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use std::fs::File; |
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use std::io::{Read, Write}; |
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use std::path::PathBuf; |
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use dirs::config_dir; |
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use serde_derive::Deserialize; |
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use serde_derive::Serialize; |
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use toml; |
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@ -47,6 +50,7 @@ pub struct EventListIterator<'a> {
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pub enum EventListError { |
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InvalidDate, |
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TooOld, |
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NoStorage, |
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} |
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impl From<EventError> for EventListError { |
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@ -65,15 +69,15 @@ impl EventList {
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} |
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// TODO hide this
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pub fn load() -> Self { |
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if let Ok(mut fp) = File::open(FILENAME) { |
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pub fn load() -> Result<Self, EventListError> { |
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if let Ok(mut fp) = File::open(EventList::event_file()?) { |
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let mut content = String::new(); |
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fp.read_to_string(&mut content) |
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.expect("Your event file is corrupted"); |
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// TODO remove toml
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toml::from_str(&content).unwrap_or(EventList::empty()) |
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Ok(toml::from_str(&content).unwrap_or(EventList::empty())) |
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} else { |
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EventList::empty() |
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Ok(EventList::empty()) |
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} |
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} |
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@ -84,22 +88,23 @@ impl EventList {
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// TODO turn this into the destructor
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// TODO if so, track changes
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pub fn save(&self) { |
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pub fn save(&self) -> Result<(), EventListError> { |
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// TODO remove toml
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let content = toml::to_string(&self).unwrap(); |
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if let Ok(mut fp) = File::create(FILENAME) { |
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if let Ok(mut fp) = File::create(EventList::event_file()?) { |
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fp.write_all(content.as_bytes()).unwrap(); |
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} |
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Ok(()) |
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} |
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/// Load the event list, add an all day event, and save it back.
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/// Returns the ID of the new event.
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pub fn add_event_with_date(description: &str, date: &Date) -> Result<String, EventListError> { |
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let mut list = EventList::load(); |
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let mut list = EventList::load()?; |
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let event = Event::new_on_date(description, date)?; |
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let id = String::from(&event.id); |
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list.push(event); |
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list.save(); |
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list.save()?; |
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Ok(id) |
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} |
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@ -109,13 +114,23 @@ impl EventList {
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description: &str, |
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datetime: &DateTime, |
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) -> Result<String, EventListError> { |
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let mut list = EventList::load(); |
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let mut list = EventList::load()?; |
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let event = Event::new_on_date_time(description, datetime)?; |
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let id = String::from(&event.id); |
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list.push(event); |
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list.save(); |
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list.save()?; |
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Ok(id) |
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} |
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/// Full path for the event file.
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fn event_file() -> Result<OsString, EventListError> { |
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let base = config_dir().ok_or(EventListError::NoStorage)?; |
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let mut path = PathBuf::new(); |
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path.push(base); |
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path.push(FILENAME); |
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Ok(path.into_os_string()) |
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} |
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} |
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impl<'a> IntoIterator for &'a EventList { |
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