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Merge branch 'libimaghabit-dont-copy-comment-to-instance' into master

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This commit is contained in:
Matthias Beyer 2019-06-30 13:14:36 +02:00
commit 6b8c236b67
3 changed files with 52 additions and 24 deletions
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19
bin/domain/imag-habit/src/main.rs
View file

@ -480,12 +480,12 @@ fn show(rt: &Runtime) {
.map(String::from)
.unwrap(); // safe by clap
fn instance_lister_fn(i: &FileLockEntry) -> Vec<String> {
fn instance_lister_fn(rt: &Runtime, i: &FileLockEntry) -> Vec<String> {
use libimagutil::date::date_to_string;
use libimaghabit::instance::HabitInstance;
let date = date_to_string(&i.get_date().map_err_trace_exit_unwrap());
let comm = i.get_comment().map_err_trace_exit_unwrap();
let comm = i.get_comment(rt.store()).map_err_trace_exit_unwrap();
vec![date, comm]
}
@ -523,7 +523,7 @@ fn show(rt: &Runtime) {
.unwrap_or_exit();
let mut empty = true;
let _ = habit
let iter = habit
.linked_instances()
.map_err_trace_exit_unwrap()
.trace_unwrap_exit()
@ -531,10 +531,17 @@ fn show(rt: &Runtime) {
debug!("Getting: {:?}", instance_id);
rt.store().get(instance_id).map_err_trace_exit_unwrap()
})
.enumerate()
.for_each(|(i, e)| {
.enumerate();
// We need to drop here because we iterate over instances and in the
// instance_lister_fn() we call instance.get_comment(), which internally tries to
// Store::get() the template object.
// This would fail because the template is already borrowed.
drop(habit);
iter.for_each(|(i, e)| {
let mut v = vec![format!("{}", i)];
let mut instances = instance_lister_fn(&e);
let mut instances = instance_lister_fn(&rt, &e);
{
let _ = rt.report_touched(e.get_location()).unwrap_or_exit();

8
lib/domain/libimaghabit/src/habit.rs
View file

@ -99,13 +99,12 @@ impl HabitTemplate for Entry {
fn create_instance_with_date<'a>(&mut self, store: &'a Store, date: &NaiveDate) -> Result<FileLockEntry<'a>> {
let name = self.habit_name()?;
let comment = self.habit_comment()?;
let date = date_to_string(date);
let id = instance_id_for_name_and_datestr(&name, &date)?;
store.create(id)
.map_err(From::from)
.and_then(|entry| postprocess_instance(entry, name, date, comment, self))
.and_then(|entry| postprocess_instance(entry, name, date, self))
}
fn create_instance_today<'a>(&mut self, store: &'a Store) -> Result<FileLockEntry<'a>> {
@ -114,13 +113,12 @@ impl HabitTemplate for Entry {
fn retrieve_instance_with_date<'a>(&mut self, store: &'a Store, date: &NaiveDate) -> Result<FileLockEntry<'a>> {
let name = self.habit_name()?;
let comment = self.habit_comment()?;
let date = date_to_string(date);
let id = instance_id_for_name_and_datestr(&name, &date)?;
store.retrieve(id)
.map_err(From::from)
.and_then(|entry| postprocess_instance(entry, name, date, comment, self))
.and_then(|entry| postprocess_instance(entry, name, date, self))
}
fn retrieve_instance_today<'a>(&mut self, store: &'a Store) -> Result<FileLockEntry<'a>> {
@ -398,7 +396,6 @@ pub mod builder {
fn postprocess_instance<'a>(mut entry: FileLockEntry<'a>,
name: String,
date: String,
comment: String,
template: &mut Entry)
-> Result<FileLockEntry<'a>>
{
@ -407,7 +404,6 @@ fn postprocess_instance<'a>(mut entry: FileLockEntry<'a>,
let hdr = entry.get_header_mut();
let _ = hdr.insert("habit.instance.name", Value::String(name))?;
let _ = hdr.insert("habit.instance.date", Value::String(date))?;
let _ = hdr.insert("habit.instance.comment", Value::String(comment))?;
}
entry.add_link(template)?;

49
lib/domain/libimaghabit/src/instance.rs
View file

@ -17,16 +17,21 @@
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
use std::ops::Deref;
use chrono::NaiveDate;
use toml::Value;
use toml_query::set::TomlValueSetExt;
use failure::Fallible as Result;
use crate::util::*;
use crate::habit::HabitTemplate;
use libimagstore::store::Entry;
use libimagstore::store::Store;
use libimagentryutil::isa::Is;
use libimagentryutil::isa::IsKindHeaderPathProvider;
use libimagentrylink::linkable::Linkable;
/// An instance of a habit is created for each time a habit is done.
///
@ -41,8 +46,7 @@ pub trait HabitInstance {
fn get_date(&self) -> Result<NaiveDate>;
fn set_date(&mut self, n: &NaiveDate) -> Result<()>;
fn get_comment(&self) -> Result<String>;
fn set_comment(&mut self, c: String) -> Result<()>;
fn get_comment(&self, store: &Store) -> Result<String>;
fn get_template_name(&self) -> Result<String>;
}
@ -68,16 +72,37 @@ impl HabitInstance for Entry {
.map(|_| ())
}
fn get_comment(&self) -> Result<String> {
get_string_header_from_entry(self, "habit.instance.comment")
}
fn set_comment(&mut self, c: String) -> Result<()> {
// Using `set` here because when creating the entry, these headers should be made present.
self.get_header_mut()
.set("habit.instance.comment", Value::String(c))
.map_err(From::from)
.map(|_| ())
/// Iterates all internal links, finds the template for this instance and gets the comment from
/// it
///
///
/// # Warning
///
/// Internally tries to `Store::get()` the template entry. If this entry is borrowed outside of
/// this function, this fails.
///
/// If multiple templates are linked to this entry, this returns the comment of the first
///
///
/// # Return
///
/// Returns the Comment string from the first template that is linked to this instance.
/// If this is not an instance, this might misbehave.
/// If there is no template linked, this returns an error.
///
fn get_comment(&self, store: &Store) -> Result<String> {
let templ_name = self.get_template_name()?;
for link in self.links()? {
let template = store.get(link.get_store_id().clone())?.ok_or_else(|| {
format_err!("Entry {} is linked to {}, but that entry does not exist",
self.get_location(),
link.get_store_id())
})?;
if HabitTemplate::is_habit_template(template.deref())? && template.habit_name()? == templ_name {
return template.habit_comment()
}
}
Err(format_err!("Cannot find template entry for {}", self.get_location()))
}
fn get_template_name(&self) -> Result<String> {