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use std::collections::HashMap;
use chrono::NaiveDate;
use serde::{Deserialize, Serialize};
use crate::habit::traits::Habit;
use crate::habit::{TrackEvent, ViewMode};
#[derive(Debug, Serialize, Deserialize)]
pub struct Count {
name: String,
stats: HashMap<NaiveDate, u32>,
goal: u32,
#[serde(skip)]
view_month_offset: u32,
#[serde(skip)]
view_mode: ViewMode,
}
impl Count {
pub fn new(name: impl AsRef<str>, goal: u32) -> Self {
return Count {
name: name.as_ref().to_owned(),
stats: HashMap::new(),
goal,
view_month_offset: 0,
view_mode: ViewMode::Day,
};
}
}
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 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 {
*val = 0
};
}
}
} else {
self.insert_entry(date, 1);
}
}
fn set_view_month_offset(&mut self, offset: u32) {
self.view_month_offset = offset;
}
fn view_month_offset(&self) -> u32 {
self.view_month_offset
}
fn set_view_mode(&mut self, mode: ViewMode) {
self.view_mode = mode;
}
fn view_mode(&self) -> ViewMode {
self.view_mode
}
}
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