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use parsers::csv::CsvFile;
use banking::account::Account;
use crate::banking::asset::Asset;
//use parsers::ini::IniFile;
use std::collections::HashMap;
use rocket_contrib::templates::Template;
use rocket::response::NamedFile;
use std::path::{PathBuf, Path};
use rocket::request::Form;
use rocket::http::RawStr;
use regex::Regex;
use chrono::{NaiveDate, Utc};
use chrono::Datelike;
use crate::web_frontend::util;
#[derive(Serialize)]
struct MonthEarnSpend {
name : String,
earned : f32,
spent : f32,
}
#[derive(Serialize)]
struct BalanceContext {
account_name : String,
months : Vec<MonthEarnSpend>,
date_start : String,
date_end : String
}
#[get("/balance/<account>?<start>&<end>")]
pub fn balance_handler(account : &RawStr, start : Option<&RawStr>, end : Option<&RawStr>) -> rocket_contrib::templates::Template {
let account_name = account.to_string();
let date_start = match start {
Some(s) => { let mut tmp = s.to_string();
tmp.push_str("-01");
chrono::NaiveDate::parse_from_str(&tmp, "%Y-%m-%d").unwrap() },
None => Utc::today().naive_utc()
};
let date_end = match end {
Some(s) => { let mut tmp = s.to_string();
tmp.push_str("-01");
chrono::NaiveDate::parse_from_str(&tmp, "%Y-%m-%d").unwrap() },
None => Utc::today().naive_utc()
};
let date_range = crate::web_frontend::util::DateRange::new(date_start, date_end);
let asset_ini = "data/asset.ini";
let asset : Asset = crate::banking::asset::Asset::from_ini_file(asset_ini);
let transactions = asset.get_account_by_name(&account_name);
let acc;
match transactions {
Some(trans) => acc = trans,
None => panic!("could not read file")
}
let t = acc.transactions;
let mut earn_spend_v = Vec::new();
for date in date_range {
let result : Vec<_> = t.iter().filter(|x| x.date.month() == date.month() && x.date.year() == date.year()).collect();
let mut earn = 0.0;
let mut spend = 0.0;
for r in &result {
if r.amount > 0.0 {
earn = earn + r.amount;
} else {
spend = spend + r.amount.abs();
}
}
earn_spend_v.push(MonthEarnSpend { name : date.to_string(), earned : earn, spent : spend});
}
let context = BalanceContext { account_name : account_name,
months : earn_spend_v , date_start : date_start.to_string()[0..7].to_string(),
date_end : date_end.to_string()[0..7].to_string()};
Template::render("balance", context)
}
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