Fix API interaction and add transactions command

src/ynab/client.rs

@@ -80,6 +80,12 @@ impl Ynab {
             .send()
             .map_err(|e| format!("post error: {}", e))?;
         if res.status().is_success() {
+            println!(
+                "successful api response {}: {}",
+                res.status(),
+                res.text()
+                    .map_err(|e| format!("error retrieving api error: {}", e))?
+            );
             Ok(())
         } else {
             Err(format!(
@@ -114,6 +120,28 @@ impl Ynab {
         Ok(res.data.accounts.into_iter().map(|p| p.name).collect())
     }
 
+    pub fn list_transactions(
+        &self,
+        plan: Lookup,
+        account: Option<Lookup>,
+    ) -> Result<Vec<Transaction>, String> {
+        let plan_id = self.resolve_plan(plan)?;
+        let account_id = match account {
+            Some(account) => Some(self.resolve_account(&plan_id, account)?),
+            None => None,
+        };
+        let since_date = chrono::Local::now().date_naive() - chrono::Duration::days(30);
+        let since_date = since_date.format("%Y-%m-%d");
+        let url = format!("plans/{}/transactions?since_date={}", plan_id, since_date);
+        let raw = self.get(&url).map_err(|e| format!("request error {}", e))?;
+        let res: types::YnabResponse<types::YnabTransactionList> =
+            serde_json::from_str(&raw).map_err(|e| format!("parse error: {}", e))?;
+        Ok(transform::from_ynab_transactions(
+            &res.data.transactions,
+            account_id.as_deref(),
+        ))
+    }
+
     pub fn upload(
         &self,
         transactions: &[Transaction],
@@ -124,10 +152,9 @@ impl Ynab {
         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),
+            transactions: transform::to_ynab_transactions(transactions, &account_id),
         })
         .map_err(|e| format!("transaction format error: {}", e))?;
-        println!("{}", body);
         self.post(&request, &body)?;
         Ok(())
     }