Files
ynabmunger/src/ynab/client.rs
T

135 lines
4.6 KiB
Rust

use super::lookup::Lookup;
use super::transform;
use super::types;
use crate::Transaction;
pub struct Ynab {
token: String,
webclient: reqwest::blocking::Client,
}
impl Ynab {
pub fn new(token: &str) -> Ynab {
Ynab {
token: token.to_owned(),
webclient: reqwest::blocking::Client::new(),
}
}
fn resolve_plan(&self, plan: Lookup) -> Result<String, String> {
match plan {
Lookup::Id(id) => Ok(id),
Lookup::Name(name) => {
let url = "plans";
let res: types::YnabResponse<types::YnabPlanList> = serde_json::from_str(
&self.get(url).map_err(|e| format!("request error: {}", e))?,
)
.map_err(|e| format!("parse error: {}", e))?;
let plans = res.data.plans;
plans
.into_iter()
.find(|p| p.name == name)
.map(|p| p.id)
.ok_or_else(|| "no matching plan found".to_string())
}
}
}
fn resolve_account(&self, plan_id: &str, account: Lookup) -> Result<String, String> {
match account {
Lookup::Id(id) => Ok(id),
Lookup::Name(name) => {
let url = format!("plans/{}/accounts", plan_id);
let res: types::YnabResponse<types::YnabAccountList> = serde_json::from_str(
&self
.get(&url)
.map_err(|e| format!("request error: {}", e))?,
)
.map_err(|e| format!("parse error: {}", e))?;
let accounts = res.data.accounts;
accounts
.into_iter()
.find(|a| a.name == name)
.map(|a| a.id)
.ok_or_else(|| "no matching account found".to_string())
}
}
}
pub(crate) fn get(&self, request: &str) -> Result<String, reqwest::Error> {
const URL: &str = "https://api.ynab.com/v1/";
let request = format!("{}{}", URL, request);
let res = self
.webclient
.get(request)
.bearer_auth(&self.token)
.send()?;
let text = res.text()?;
Ok(text)
}
fn post(&self, request: &str, body: &str) -> Result<(), String> {
const URL: &str = "https://api.ynab.com/v1/";
let request = format!("{}{}", URL, request);
let res = self
.webclient
.post(request)
.body(body.to_owned())
.bearer_auth(&self.token)
.header("Content-Type", "application/json")
.send()
.map_err(|e| format!("post error: {}", e))?;
if res.status().is_success() {
Ok(())
} else {
Err(format!(
"api error: {}: {}",
res.status(),
res.text()
.map_err(|e| format!("error retrieving api error: {}", e))?
))
}
}
pub fn list_plans(&self) -> Result<Vec<String>, String> {
let url = String::from("plans");
let res: types::YnabResponse<types::YnabPlanList> = serde_json::from_str(
&self
.get(&url)
.map_err(|e| format!("request error: {}", e))?,
)
.map_err(|e| format!("parse error: {}", e))?;
Ok(res.data.plans.into_iter().map(|p| p.name).collect())
}
pub fn list_accounts(&self, plan: Lookup) -> Result<Vec<String>, String> {
let plan_id = self.resolve_plan(plan)?;
let url = format!("plans/{}/accounts", plan_id);
let res: types::YnabResponse<types::YnabAccountList> = serde_json::from_str(
&self
.get(&url)
.map_err(|e| format!("request error: {}", e))?,
)
.map_err(|e| format!("parse error: {}", e))?;
Ok(res.data.accounts.into_iter().map(|p| p.name).collect())
}
pub fn upload(
&self,
transactions: &[Transaction],
plan: Lookup,
account: Lookup,
) -> Result<(), Box<dyn std::error::Error>> {
let plan_id = self.resolve_plan(plan)?;
let account_id = self.resolve_account(&plan_id, account)?;
let request = format!("plans/{}/transactions", plan_id);
let body = serde_json::to_string(&types::YnabTransactionList {
transactions: transform::ynab_transactions(transactions, &account_id),
})
.map_err(|e| format!("transaction format error: {}", e))?;
println!("{}", body);
self.post(&request, &body)?;
Ok(())
}
}