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use std::collections::HashMap;
use std::default::Default;
use chrono::NaiveDate;
use serde::{Deserialize, Serialize};
use crate::command::GoalKind;
use crate::habit::prelude::default_auto;
use crate::habit::traits::Habit;
use crate::habit::{InnerData, TrackEvent};
#[derive(Debug, Serialize, Deserialize)]
pub struct Count {
name: String,
stats: HashMap<NaiveDate, u32>,
goal: u32,
#[serde(default = "default_auto")]
auto: bool,
#[serde(skip)]
inner_data: InnerData,
}
impl Count {
pub fn new(name: impl AsRef<str>, goal: u32, auto: bool) -> Self {
return Count {
name: name.as_ref().to_owned(),
stats: HashMap::new(),
goal,
auto,
inner_data: Default::default(),
};
}
}
impl Habit for Count {
type HabitType = u32;
fn name(&self) -> String {
return self.name.clone();
}
fn set_name(&mut self, n: impl AsRef<str>) {
self.name = n.as_ref().to_owned();
}
fn kind(&self) -> GoalKind {
GoalKind::Count(self.goal)
}
fn set_goal(&mut self, g: Self::HabitType) {
self.goal = g;
}
fn get_by_date(&self, date: NaiveDate) -> Option<&Self::HabitType> {
self.stats.get(&date)
}
fn insert_entry(&mut self, date: NaiveDate, val: Self::HabitType) {
*self.stats.entry(date).or_insert(val) = val;
}
fn reached_goal(&self, date: NaiveDate) -> bool {
if let Some(val) = self.stats.get(&date) {
if val >= &self.goal {
return true;
}
}
return false;
}
fn remaining(&self, date: NaiveDate) -> u32 {
if self.reached_goal(date) {
return 0;
} else {
if let Some(val) = self.stats.get(&date) {
return self.goal - val;
} else {
return self.goal;
}
}
}
fn goal(&self) -> u32 {
return self.goal;
}
fn modify(&mut self, date: NaiveDate, event: TrackEvent) {
if let Some(val) = self.stats.get_mut(&date) {
match event {
TrackEvent::Increment => *val += 1,
TrackEvent::Decrement => {
if *val > 0 {
*val -= 1
} else {
self.stats.remove(&date);
};
}
}
} else {
match event {
TrackEvent::Increment => self.insert_entry(date, 1),
_ => {}
};
}
}
fn inner_data_ref(&self) -> &InnerData {
&self.inner_data
}
fn inner_data_mut_ref(&mut self) -> &mut InnerData {
&mut self.inner_data
}
fn is_auto(&self) -> bool {
self.auto
}
}
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