87 lines
3.1 KiB
Rust
87 lines
3.1 KiB
Rust
//
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// imag - the personal information management suite for the commandline
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// Copyright (C) 2015-2018 Matthias Beyer <mail@beyermatthias.de> and contributors
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; version
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// 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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use chrono::NaiveDate;
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use toml::Value;
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use toml_query::set::TomlValueSetExt;
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use failure::Fallible as Result;
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use util::*;
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use libimagstore::store::Entry;
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use libimagentryutil::isa::Is;
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use libimagentryutil::isa::IsKindHeaderPathProvider;
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/// An instance of a habit is created for each time a habit is done.
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///
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/// # Note
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///
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/// A habit is a daily thing, so we only provide "date" as granularity for its time data.
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///
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pub trait HabitInstance {
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/// Check whether the instance is a habit instance by checking its headers for the habit
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/// data
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fn is_habit_instance(&self) -> Result<bool>;
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fn get_date(&self) -> Result<NaiveDate>;
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fn set_date(&mut self, n: &NaiveDate) -> Result<()>;
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fn get_comment(&self) -> Result<String>;
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fn set_comment(&mut self, c: String) -> Result<()>;
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fn get_template_name(&self) -> Result<String>;
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}
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provide_kindflag_path!(pub IsHabitInstance, "habit.instance.is_habit_instance");
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impl HabitInstance for Entry {
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fn is_habit_instance(&self) -> Result<bool> {
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self.is::<IsHabitInstance>().map_err(From::from)
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}
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fn get_date(&self) -> Result<NaiveDate> {
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use libimagutil::date::date_from_string as dts;
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let date_from_string = |d| dts(d).map_err(From::from);
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get_string_header_from_entry(self, "habit.instance.date").and_then(date_from_string)
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}
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fn set_date(&mut self, n: &NaiveDate) -> Result<()> {
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use libimagutil::date::date_to_string;
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// Using `set` here because when creating the entry, these headers should be made present.
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self.get_header_mut()
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.set("habit.instance.date", Value::String(date_to_string(n)))
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.map_err(From::from)
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.map(|_| ())
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}
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fn get_comment(&self) -> Result<String> {
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get_string_header_from_entry(self, "habit.instance.comment")
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}
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fn set_comment(&mut self, c: String) -> Result<()> {
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// Using `set` here because when creating the entry, these headers should be made present.
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self.get_header_mut()
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.set("habit.instance.comment", Value::String(c))
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.map_err(From::from)
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.map(|_| ())
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}
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fn get_template_name(&self) -> Result<String> {
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get_string_header_from_entry(self, "habit.instance.name")
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}
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}
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