Fix API interaction and add transactions command

src/main.rs

@@ -32,6 +32,31 @@ enum Command {
         #[arg(short = 'P', long, group = "planref")]
         plan_id: Option<String>,
     },
+    // List transactions in the last 30 days
+    //
+    // You have to give a plan to list transactions from. You can optionally
+    // also give an account to show only transactions from that account.
+    Transactions {
+        /// Your YNAB token, available from developer settings in YNAB
+        #[arg(short, long, env = "YNAB_API_TOKEN", hide_env_values = true)]
+        token: String,
+
+        /// The name of the YNAB plan to list transactions from
+        #[arg(short, long, group = "planref")]
+        plan: Option<String>,
+
+        /// Alternatively, give the YNAB plan ID directly
+        #[arg(short = 'P', long, group = "planref")]
+        plan_id: Option<String>,
+
+        /// The name of the YNAB account to import to
+        #[arg(short, long, group = "accountref")]
+        account: Option<String>,
+
+        /// Alternatively, give the YNAB account ID directly
+        #[arg(short = 'A', long, group = "accountref")]
+        account_id: Option<String>,
+    },
     /// Convert from a bank export to a CSV you can import manually to YNAB
     Convert {
         #[arg(short, long, help = "Bank export format", default_value_t = String::from("bulder"))]
@@ -116,13 +141,42 @@ fn main() -> Result<(), Box<dyn Error>> {
             plan_id,
         } => {
             let plan = Lookup::from_options(plan, plan_id)?;
-            let accounts = Ynab::new(&token).list_accounts(plan)?;
+            let accounts = Ynab::list_accounts(&Ynab::new(&token), plan)?;
             println!("Available accounts in plan:");
             for account in accounts {
                 println!(" - {}", account);
             }
             Ok(())
         }
+        Command::Transactions {
+            token,
+            plan,
+            plan_id,
+            account,
+            account_id,
+        } => {
+            let plan = Lookup::from_options(plan, plan_id)?;
+
+            // Account is optional here
+            let accountstr: &str;
+            let account = match (account, account_id) {
+                (None, None) => {
+                    accountstr = "";
+                    None
+                }
+                (name, id) => {
+                    accountstr = " for account";
+                    Some(Lookup::from_options(name, id)?)
+                }
+            };
+            let transactions = Ynab::new(&token).list_transactions(plan, account)?;
+            println!("Transactions{} in the last 30 days:", accountstr);
+            for t in transactions {
+                println!("{},{},{}", t.date, t.payee, t.amount);
+            }
+
+            Ok(())
+        }
         Command::Import {
             token,
             plan,