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use snafu::{OptionExt, ResultExt};
#[derive(Debug, snafu::Snafu)]
pub enum Error {
#[snafu(display("couldn't get default budget: {}", source))]
GetBudget { source: super::client::Error },
#[snafu(display("couldn't update transactions: {}", source))]
UpdateTransactions { source: super::client::Error },
#[snafu(display("couldn't find the reimbursables category"))]
FindReimbursablesCategory,
}
pub type Result<T> = std::result::Result<T, Error>;
pub struct Budget {
client: super::client::Client,
id: String,
name: String,
reimbursables: Vec<super::transaction::Transaction>,
}
impl Budget {
pub fn new(key: &str) -> Result<Self> {
let client = super::client::Client::new(key);
let budget = client.default_budget().context(GetBudget)?;
let reimbursables = Self::get_reimbursables(&budget)?;
let budget = Self {
client,
id: budget.id.clone(),
name: budget.name.clone(),
reimbursables,
};
budget.check();
Ok(budget)
}
#[must_use]
pub fn refresh(&mut self) -> Result<()> {
let budget = self.client.default_budget().context(GetBudget)?;
self.id = budget.id.clone();
self.name = budget.name.clone();
self.reimbursables = Self::get_reimbursables(&budget)?;
self.check();
Ok(())
}
pub fn name(&self) -> String {
self.name.clone()
}
pub fn id(&self) -> String {
self.id.clone()
}
pub fn reimbursables(&self) -> &[super::transaction::Transaction] {
&self.reimbursables
}
#[must_use]
pub fn reconcile_transactions(
&self,
txns: &[&super::transaction::Transaction],
) -> Result<()> {
let mut to_update =
ynab_api::models::UpdateTransactionsWrapper::new();
to_update.transactions = Some(
txns.iter()
.map(|t| {
let mut ut = t.to_update_transaction();
ut.flag_color = Some("green".to_string());
ut
})
.collect(),
);
self.client
.update_transactions(&self.id, to_update)
.context(UpdateTransactions)?;
Ok(())
}
fn get_reimbursables(
budget: &ynab_api::models::BudgetDetail,
) -> Result<Vec<super::transaction::Transaction>> {
let reimbursables_id = budget
.categories
.as_ref()
.and_then(|categories| {
categories
.iter()
.find(|c| c.name == "Reimbursables")
.map(|c| c.id.clone())
})
.context(FindReimbursablesCategory)?;
let mut payee_map = std::collections::HashMap::new();
if let Some(payees) = &budget.payees {
for p in payees {
payee_map.insert(p.id.clone(), p.name.clone());
}
}
let payee_map = payee_map;
let mut account_map = std::collections::HashMap::new();
if let Some(accounts) = &budget.accounts {
for a in accounts {
account_map.insert(a.id.clone(), a.name.clone());
}
}
let account_map = account_map;
let mut reimbursables = vec![];
let mut transaction_map = std::collections::HashMap::new();
if let Some(transactions) = &budget.transactions {
for t in transactions {
transaction_map.insert(t.id.clone(), t);
if let Some(category_id) = &t.category_id {
if category_id != &reimbursables_id {
continue;
}
} else {
continue;
}
let payee = t
.payee_id
.iter()
.map(|payee_id| payee_map.get(payee_id).cloned())
.next()
.unwrap_or(None);
let account = account_map.get(&t.account_id).cloned();
let mut txn =
super::transaction::Transaction::from_transaction(t);
txn.payee = payee;
txn.account = account;
reimbursables.push(txn);
}
}
let transaction_map = transaction_map;
if let Some(subtransactions) = &budget.subtransactions {
for st in subtransactions {
if let Some(category_id) = &st.category_id {
if category_id != &reimbursables_id {
continue;
}
} else {
continue;
}
let t = transaction_map[&st.transaction_id];
let payee = st
.payee_id
.iter()
.map(|payee_id| payee_map.get(payee_id).cloned())
.next()
.unwrap_or_else(|| {
t.payee_id
.iter()
.map(|payee_id| payee_map.get(payee_id).cloned())
.next()
.unwrap_or(None)
});
let account = account_map.get(&t.account_id).cloned();
let mut txn =
super::transaction::Transaction::from_sub_transaction(
t, st,
);
txn.payee = payee;
txn.account = account;
reimbursables.push(txn);
}
}
reimbursables.sort_by_cached_key(|t| t.date.clone());
Ok(reimbursables)
}
fn check(&self) {
self.check_reconciled();
self.check_has_inflows();
}
fn check_reconciled(&self) {
let reconciled_amount: i64 = self
.reimbursables()
.iter()
.filter(|t| t.reimbursed)
.map(|t| t.amount)
.sum();
if reconciled_amount != 0 {
eprintln!(
"reconciled reimbursables don't sum to $0.00: ${}",
crate::ynab::format_amount(reconciled_amount)
);
std::process::exit(1);
}
}
fn check_has_inflows(&self) {
let txns = self
.reimbursables()
.iter()
.filter(|t| !t.reimbursed && t.amount > 0)
.count();
if txns == 0 {
eprintln!("no transactions to reconcile");
std::process::exit(1);
}
}
}
|
