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mirror of https://github.com/scoobybejesus/cryptools.git synced 2025-04-08 22:40:27 +00:00
cryptools-mirror/src/crptls_lib/account.rs
2019-11-24 01:32:08 -05:00

362 lines
9.5 KiB
Rust

// Copyright (c) 2017-2019, scoobybejesus
// Redistributions must include the license: https://github.com/scoobybejesus/cryptools/blob/master/LEGAL.txt
use std::rc::{Rc, Weak};
use std::cell::{Cell, RefCell};
use std::fmt;
use std::collections::{HashMap};
use std::error::Error;
use chrono::{NaiveDate, NaiveTime, NaiveDateTime, DateTime, Utc, TimeZone};
use chrono_tz::US::Eastern;
use decimal::d128;
use serde_derive::{Serialize, Deserialize};
use crate::crptls_lib::transaction::{Transaction, ActionRecord, Polarity, TxType};
#[derive(Clone, Debug, Eq, Hash, PartialEq, Serialize, Deserialize)]
pub struct RawAccount {
pub account_num: u16,
pub name: String,
pub ticker: String,
pub is_margin: bool,
}
impl RawAccount {
pub fn is_home_currency(&self, compare: &String) -> bool {
&self.ticker == compare
}
pub fn margin_string(&self) -> String {
if self.is_margin {
"Margin".to_string()
} else {
"Non-margin".to_string()
}
}
}
#[derive(Clone, Debug)]
pub struct Account {
pub raw_key: u16,
pub list_of_lots: RefCell<Vec<Rc<Lot>>>,
// pub vec_of_lot_keys: (RawAccount, u32),
}
impl Account {
pub fn get_sum_of_amts_in_lots(&self) -> d128 {
let lots = self.list_of_lots.borrow();
let mut total_amount = d128!(0);
for lot in lots.iter() {
let sum = lot.get_sum_of_amts_in_lot();
total_amount += sum;
}
total_amount
}
pub fn get_sum_of_lk_basis_in_lots(&self) -> d128 {
let lots = self.list_of_lots.borrow();
let mut total_amount = d128!(0);
for lot in lots.iter() {
let sum = lot.get_sum_of_lk_basis_in_lot();
total_amount += sum;
}
total_amount
}
pub fn get_sum_of_orig_basis_in_lots(&self) -> d128 {
let lots = self.list_of_lots.borrow();
let mut total_amount = d128!(0);
for lot in lots.iter() {
let sum = lot.get_sum_of_orig_basis_in_lot();
total_amount += sum;
}
total_amount
}
pub fn get_num_of_nonzero_lots(&self) -> u32 {
let mut count = 0;
for lot in self.list_of_lots.borrow().iter() {
if lot.get_sum_of_amts_in_lot() > d128!(0) {
count += 1
}
}
count
}
}
#[derive(Clone, Debug)]
pub struct RawMarginPair (pub Weak<RawAccount>, pub Weak<RawAccount>); // always (base_acct, quote_acct)
#[derive(Clone, Debug)]
pub struct Lot {
pub date_as_string: String,
pub date_of_first_mvmt_in_lot: NaiveDate,
pub date_for_basis_purposes: NaiveDate,
pub lot_number: u32, // Does NOT start at zero. First lot is lot 1.
pub account_key: u16,
pub movements: RefCell<Vec<Rc<Movement>>>,
}
impl Lot {
pub fn get_sum_of_amts_in_lot(&self) -> d128 {
let mut amts = d128!(0);
self.movements.borrow().iter().for_each(|movement| amts += movement.amount);
amts
}
pub fn get_sum_of_lk_basis_in_lot(&self) -> d128 {
let mut amts = d128!(0);
self.movements.borrow().iter().for_each(|movement| amts += movement.cost_basis_lk.get());
amts
}
pub fn get_sum_of_orig_basis_in_lot(&self) -> d128 {
let mut amts = d128!(0);
self.movements.borrow().iter().for_each(|movement| amts += movement.cost_basis.get());
amts
}
}
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct Movement {
pub amount: d128,
pub date_as_string: String,
pub date: NaiveDate,
pub transaction_key: u32,
pub action_record_key: u32,
pub cost_basis: Cell<d128>, // Initialized with 0. Set in add_cost_basis_to_movements()
pub ratio_of_amt_to_incoming_mvmts_in_a_r: d128, // Set in process_multiple_incoming_lots_and_mvmts() and incoming flow dual actionrecord transactions
pub ratio_of_amt_to_outgoing_mvmts_in_a_r: Cell<d128>, // Set in wrap_mvmt_and_push()
pub lot_num: u32,
pub proceeds: Cell<d128>, // Initialized with 0. Set in add_proceeds_to_movements()
pub proceeds_lk: Cell<d128>,
pub cost_basis_lk: Cell<d128>,
}
impl Movement {
pub fn get_lot(
&self,
acct_map: &HashMap<u16, Account>,
ar_map: &HashMap<u32, ActionRecord>
) -> Rc<Lot> {
let ar = ar_map.get(&self.action_record_key).unwrap();
let acct = acct_map.get(&ar.account_key).unwrap();
let lot = acct.list_of_lots.borrow()[self.lot_num as usize - 1].clone(); // lots start at 1 and indexes at 0
lot
}
pub fn ratio_of_amt_to_lots_first_mvmt(
&self,
acct_map: &HashMap<u16, Account>,
ar_map: &HashMap<u32, ActionRecord>
) -> d128 {
let lot = self.get_lot(acct_map, ar_map);
let list_of_lot_mvmts = lot.movements.borrow();
let ratio = self.amount / list_of_lot_mvmts.first().unwrap().amount;
ratio.abs()
}
pub fn get_lk_cost_basis_of_lots_first_mvmt(
&self,
acct_map: &HashMap<u16, Account>,
ar_map: &HashMap<u32, ActionRecord>
) -> d128 {
let lot = self.get_lot(acct_map, ar_map);
let list_of_lot_mvmts = lot.movements.borrow();
let cost_basis_lk = list_of_lot_mvmts.first().unwrap().cost_basis_lk.get();
cost_basis_lk
}
pub fn get_cost_basis_of_lots_first_mvmt(
&self,
acct_map: &HashMap<u16, Account>,
ar_map: &HashMap<u32, ActionRecord>
) -> d128 {
let lot = self.get_lot(acct_map, ar_map);
let list_of_lot_mvmts = lot.movements.borrow();
let cost_basis = list_of_lot_mvmts.first().unwrap().cost_basis.get();
cost_basis
}
pub fn get_lk_gain_or_loss(&self) -> d128 {
self.proceeds_lk.get() + self.cost_basis_lk.get()
}
pub fn get_orig_gain_or_loss(&self) -> d128 {
self.proceeds.get() + self.cost_basis.get()
}
pub fn get_term(&self, acct_map: &HashMap<u16, Account>, ar_map: &HashMap<u32, ActionRecord>,) -> Term {
use time::Duration;
let ar = ar_map.get(&self.action_record_key).unwrap();
let lot = Self::get_lot(&self, acct_map, ar_map);
match ar.direction() {
Polarity::Incoming => {
let today = Utc::now();
let utc_lot_date = Self::create_date_time_from_atlantic(
lot.date_for_basis_purposes,
NaiveTime::from_hms_milli(12, 34, 56, 789)
);
// if today.signed_duration_since(self.lot.date_for_basis_purposes) > 365
if (today - utc_lot_date) > Duration::days(365) {
// TODO: figure out how to instantiate today's date and convert it to compare to NaiveDate
Term::LT
}
else {
Term::ST
}
}
Polarity::Outgoing => {
let lot_date_for_basis_purposes = lot.date_for_basis_purposes;
if self.date.signed_duration_since(lot_date_for_basis_purposes) > Duration::days(365) {
return Term::LT
}
Term::ST
}
}
}
pub fn create_date_time_from_atlantic(date: NaiveDate, time: NaiveTime) -> DateTime<Utc> {
let naive_datetime = NaiveDateTime::new(date, time);
let east_time = Eastern.from_local_datetime(&naive_datetime).unwrap();
east_time.with_timezone(&Utc)
}
pub fn get_income(
&self,
ar_map: &HashMap<u32,
ActionRecord>,
raw_accts: &HashMap<u16, RawAccount>,
acct_map: &HashMap<u16, Account>,
txns_map: &HashMap<u32, Transaction>,
)-> Result<d128, Box<dyn Error>> { // Returns 0 or positive number
let txn = txns_map.get(&self.transaction_key).expect("Couldn't get txn. Tx num invalid?");
match txn.transaction_type(ar_map, raw_accts, acct_map)? {
TxType::Flow => {
let ar = ar_map.get(&self.action_record_key).unwrap();
if ar.direction() == Polarity::Incoming {
Ok(-self.proceeds_lk.get())
}
else { Ok(d128!(0)) }
}
TxType::Exchange => { Ok(d128!(0)) }
TxType::ToSelf => { Ok(d128!(0)) }
}
}
pub fn get_expense(
&self,
ar_map: &HashMap<u32, ActionRecord>,
raw_accts: &HashMap<u16, RawAccount>,
acct_map: &HashMap<u16, Account>,
txns_map: &HashMap<u32, Transaction>,
)-> Result<d128, Box<dyn Error>> { // Returns 0 or negative number
let txn = txns_map.get(&self.transaction_key).expect("Couldn't get txn. Tx num invalid?");
match txn.transaction_type(ar_map, raw_accts, acct_map)? {
TxType::Flow => {
let ar = ar_map.get(&self.action_record_key).unwrap();
if ar.direction() == Polarity::Outgoing {
let acct = acct_map.get(&ar.account_key).unwrap();
let raw_acct = raw_accts.get(&acct.raw_key).unwrap();
if raw_acct.is_margin {
Ok(d128!(0))
} else {
let expense = -self.proceeds_lk.get();
Ok(expense)
}
}
else { Ok(d128!(0)) }
}
TxType::Exchange => { Ok(d128!(0)) }
TxType::ToSelf => { Ok(d128!(0)) }
}
}
pub fn friendly_tx_type(&self, tx_type: &TxType) -> String {
let tx_type_string = match tx_type {
TxType::Exchange => { tx_type.to_string() },
TxType::ToSelf => { tx_type.to_string() },
TxType::Flow => {
let direction: String;
if self.amount > d128!(0) {
direction = "In".to_string();
} else {
direction = "Out".to_string()
}
direction + &tx_type.to_string().to_lowercase()
},
};
tx_type_string
}
}
#[derive(Clone, Debug, PartialEq)]
pub enum Term {
LT,
ST,
}
impl Term {
pub fn abbr_string(&self) -> String {
match *self {
Term::LT => "LT".to_string(),
Term::ST => "ST".to_string(),
}
}
}
impl fmt::Display for Term {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Term::LT => write!(f, "LT"),
Term::ST => write!(f, "ST"),
}
}
}