109 lines
3.2 KiB
Rust
109 lines
3.2 KiB
Rust
use std::cmp::Ordering;
|
|
|
|
use libimagstore::store::Store;
|
|
use libimagstore::storeid::IntoStoreId;
|
|
use libimagerror::trace::trace_error;
|
|
|
|
use chrono::offset::local::Local;
|
|
use chrono::Datelike;
|
|
use itertools::Itertools;
|
|
use chrono::naive::datetime::NaiveDateTime;
|
|
|
|
use entry::Entry;
|
|
use diaryid::DiaryId;
|
|
use error::DiaryError as DE;
|
|
use error::DiaryErrorKind as DEK;
|
|
use result::Result;
|
|
use iter::DiaryEntryIterator;
|
|
use is_in_diary::IsInDiary;
|
|
|
|
#[derive(Debug)]
|
|
pub struct Diary<'a> {
|
|
store: &'a Store,
|
|
name: &'a str,
|
|
}
|
|
|
|
impl<'a> Diary<'a> {
|
|
|
|
pub fn open(store: &'a Store, name: &'a str) -> Diary<'a> {
|
|
Diary {
|
|
store: store,
|
|
name: name,
|
|
}
|
|
}
|
|
|
|
// create or get a new entry for today
|
|
pub fn new_entry_today(&self) -> Result<Entry> {
|
|
let dt = Local::now();
|
|
let ndt = dt.naive_local();
|
|
let id = DiaryId::new(String::from(self.name), ndt.year(), ndt.month(), ndt.day(), 0, 0);
|
|
self.new_entry_by_id(id)
|
|
}
|
|
|
|
pub fn new_entry_by_id(&self, id: DiaryId) -> Result<Entry> {
|
|
self.retrieve(id.with_diary_name(String::from(self.name)))
|
|
}
|
|
|
|
pub fn retrieve(&self, id: DiaryId) -> Result<Entry> {
|
|
id.into_storeid()
|
|
.and_then(|id| self.store.retrieve(id))
|
|
.map(|fle| Entry::new(fle))
|
|
.map_err(|e| DE::new(DEK::StoreWriteError, Some(Box::new(e))))
|
|
}
|
|
|
|
// Get an iterator for iterating over all entries
|
|
pub fn entries(&self) -> Result<DiaryEntryIterator<'a>> {
|
|
self.store
|
|
.retrieve_for_module("diary")
|
|
.map(|iter| DiaryEntryIterator::new(self.name, self.store, iter))
|
|
.map_err(|e| DE::new(DEK::StoreReadError, Some(Box::new(e))))
|
|
}
|
|
|
|
pub fn delete_entry(&self, entry: Entry) -> Result<()> {
|
|
if !entry.is_in_diary(self.name) {
|
|
return Err(DE::new(DEK::EntryNotInDiary, None));
|
|
}
|
|
let id = entry.get_location().clone();
|
|
drop(entry);
|
|
|
|
self.store.delete(id)
|
|
.map_err(|e| DE::new(DEK::StoreWriteError, Some(Box::new(e))))
|
|
}
|
|
|
|
pub fn get_youngest_entry(&self) -> Option<Result<Entry>> {
|
|
match self.entries() {
|
|
Err(e) => Some(Err(e)),
|
|
Ok(entries) => {
|
|
entries.sorted_by(|a, b| {
|
|
match (a, b) {
|
|
(&Ok(ref a), &Ok(ref b)) => {
|
|
let a : NaiveDateTime = a.diary_id().into();
|
|
let b : NaiveDateTime = b.diary_id().into();
|
|
|
|
a.cmp(&b)
|
|
},
|
|
|
|
(&Ok(_), &Err(ref e)) => {
|
|
trace_error(e);
|
|
Ordering::Less
|
|
},
|
|
(&Err(ref e), &Ok(_)) => {
|
|
trace_error(e);
|
|
Ordering::Greater
|
|
},
|
|
(&Err(ref e1), &Err(ref e2)) => {
|
|
trace_error(e1);
|
|
trace_error(e2);
|
|
Ordering::Equal
|
|
},
|
|
}
|
|
}).into_iter().next()
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn name(&self) -> &'a str {
|
|
&self.name
|
|
}
|
|
}
|
|
|