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Add first implementation

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Matthias Beyer 2017-05-19 17:11:36 +02:00
parent 3c72c9d19d
commit a5ae53c33c
5 changed files with 215 additions and 7 deletions
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26
libimagentrydate/Cargo.toml
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[package]
name = "libimagentrydate"
version = "0.1.0"
version = "0.3.0"
authors = ["Matthias Beyer <mail@beyermatthias.de>"]
description = "Library for the imag core distribution"
keywords = ["imag", "PIM", "personal", "information", "management"]
readme = "../README.md"
license = "LGPL-2.1"
documentation = "https://matthiasbeyer.github.io/imag/imag_documentation/index.html"
repository = "https://github.com/matthiasbeyer/imag"
homepage = "http://imag-pim.org"
[dependencies]
chrono = "0.3"
toml-query = "0.1"
lazy_static = "0.2"
toml = "0.4"
[dependencies.libimagerror]
path = "../libimagerror"
[dependencies.libimagstore]
path = "../libimagstore"
[dependencies.libimagutil]
path = "../libimagutil"

100
libimagentrydate/src/entrydate.rs Normal file
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//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; version
// 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
use chrono::naive::datetime::NaiveDateTime;
use toml_query::delete::TomlValueDeleteExt;
use toml_query::insert::TomlValueInsertExt;
use toml_query::read::TomlValueReadExt;
use toml::Value;
use libimagstore::store::Entry;
use libimagerror::into::IntoError;
use error::DateErrorKind as DEK;
use error::*;
use result::Result;
pub trait EntryDate {
fn delete_date(&mut self) -> Result<()>;
fn read_date(&self) -> Result<NaiveDateTime>;
fn set_date(&mut self, d: NaiveDateTime) -> Result<Option<Result<NaiveDateTime>>>;
}
lazy_static! {
static ref DATE_HEADER_LOCATION : String = String::from("date.value");
static ref DATE_FMT : &'static str = "%Y-%m-%d %H:%M:%S";
}
impl EntryDate for Entry {
fn delete_date(&mut self) -> Result<()> {
self.get_header_mut()
.delete(&DATE_HEADER_LOCATION)
.map(|_| ())
.map_err_into(DEK::StoreWriteError)
}
fn read_date(&self) -> Result<NaiveDateTime> {
self.get_header()
.read(&DATE_HEADER_LOCATION)
.map_err_into(DEK::StoreReadError)
.and_then(|v| {
match v {
&Value::String(ref s) => s.parse::<NaiveDateTime>()
.map_err_into(DEK::DateTimeParsingError),
_ => Err(DEK::DateHeaderFieldTypeError.into_error()),
}
})
}
/// Set a Date for this entry
///
/// # Return value
///
/// This function returns funny things, I know. But I find it more attractive to be explicit
/// what failed when here, instead of beeing nice to the user here.
///
/// So here's a list how things are returned:
///
/// - Err(_) if the inserting failed
/// - Ok(None) if the inserting succeeded and _did not replace an existing value_.
/// - Ok(Some(Ok(_))) if the inserting succeeded, but replaced an existing value which then got
/// parsed into a NaiveDateTime object
/// - Ok(Some(Err(_))) if the inserting succeeded, but replaced an existing value which then
/// got parsed into a NaiveDateTime object, where the parsing failed for some reason.
///
fn set_date(&mut self, d: NaiveDateTime) -> Result<Option<Result<NaiveDateTime>>> {
let date = d.format(&DATE_FMT).to_string();
self.get_header_mut()
.insert(&DATE_HEADER_LOCATION, Value::String(date))
.map(|opt| opt.map(|stri| {
match stri {
Value::String(ref s) => s.parse::<NaiveDateTime>()
.map_err_into(DEK::DateTimeParsingError),
_ => Err(DEK::DateHeaderFieldTypeError.into_error()),
}
}))
.map_err_into(DEK::StoreWriteError)
}
}

33
libimagentrydate/src/error.rs Normal file
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//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; version
// 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
generate_error_module!(
generate_error_types!(DateError, DateErrorKind,
StoreReadError => "Store read error",
StoreWriteError => "Store write error",
DateHeaderFieldTypeError => "Expected the header field in the entry to have type 'String', but have other type",
DateTimeParsingError => "Error parsing DateTime"
);
);
pub use self::error::DateError;
pub use self::error::DateErrorKind;
pub use self::error::MapErrInto;

38
libimagentrydate/src/lib.rs
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#[cfg(test)]
mod tests {
#[test]
fn it_works() {
}
}
//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; version
// 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
#[macro_use] extern crate lazy_static;
extern crate chrono;
extern crate toml_query;
extern crate toml;
#[macro_use] extern crate libimagerror;
extern crate libimagstore;
extern crate libimagutil;
pub mod entrydate;
pub mod error;
pub mod result;

25
libimagentrydate/src/result.rs Normal file
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//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; version
// 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
use std::result::Result as RResult;
use error::DateError;
pub type Result<T> = RResult<T, DateError>;