Add support for existing transactions

src/backend/index.ts

@@ -186,6 +186,72 @@ export class Actual {
       return this.#doSubmit(prepared, opts);
     });
   }
+
+  async getTransactions(limit: number): Promise<Transaction[]> {    
+    return this.#api(async () => {
+      const accounts: ActualAccount[] = await api.getAccounts();
+      const payees: ActualPayee[] = await api.getPayees();
+
+      const query = api.q('transactions')
+        .limit(limit)
+        .select(['*']);
+
+      const { data } = await api.runQuery(query) as { data: ActualTransaction[] };
+
+      return this.#mapActualTransactionsToTransactions(data, accounts, payees);
+    });
+  }
+
+  async getTransactionsFromRange(start: string, end: string): Promise<Transaction[]> {
+    return this.#api(async () => {
+      const accounts: ActualAccount[] = await api.getAccounts();
+      const payees: ActualPayee[] = await api.getPayees();
+      
+      const query = api.q('transactions')
+        .filter({ date: [{ $gte: start }, { $lte: end }] })
+        .select(['*']);
+
+      const { data } = await api.runQuery(query) as { data: ActualTransaction[] };
+      
+      return this.#mapActualTransactionsToTransactions(data, accounts, payees);
+    });
+  }
+
+  #mapActualTransactionsToTransactions(transactions: ActualTransaction[], accounts: ActualAccount[], payees: ActualPayee[]): Transaction[] {
+    const transfers: string[] = [];
+
+    return transactions.map(t => {
+      const account = accounts.find(a => a.id === t.account)?.name ?? t.account ?? "--unknown--";
+      const payee = payees.find(p => p.id === t.payee)?.name ?? t.payee ?? "--unknown--";
+      
+      let from = account;
+      let to = payee;
+
+      if (t.amount && t.amount > 0) {
+        from = payee;
+        to = account;
+      }
+
+      if (t.transfer_id) {
+        if (transfers.includes(t.id!!)) {            
+          return undefined;
+        }
+
+        transfers.push(t.transfer_id);
+      }
+
+      return {
+        kind: t.transfer_id ? 'transfer' : 'regular',
+        date: t.date,
+        from,
+        to,
+        fromDetails: from,
+        toDetails: to,
+        amount: (t.amount ?? 0)/100,
+        title: t.notes
+      } as Transaction;
+    }).filter(t => t !== undefined);
+  }
 }
 
 async function sleep(ms: number): Promise<void> {

src/runner/index.ts

@@ -15,6 +15,29 @@ export type ImportResult = PrepareResult & {
   result: ActualImportResult;
 };
 
+export const getTransactions = async (server: string, config: Config, limit: number = 5): Promise<Transaction[]> => {
+  const serverConfig = config.servers[server];
+
+  if(!serverConfig) {
+    throw new Error(`Unknown server: ${server}`);
+  }
+
+  const actualServer = new Actual(serverConfig);
+
+  return await actualServer.getTransactions(limit);
+};
+
+export const getTransactionsFromRange = async (server: string, config: Config, start: string, end: string): Promise<Transaction[]> => {
+  const serverConfig = config.servers[server];
+
+  if(!serverConfig) {
+    throw new Error(`Unknown server: ${server}`);
+  }
+
+  const actualServer = new Actual(serverConfig);
+
+  return await actualServer.getTransactionsFromRange(start, end);
+};
 
 export const prepareTransactions = async (stream: Readable, profile: string, server: string, config: Config): Promise<PrepareResult> => new Promise((resolve, reject) => {  
   const profileConfig = config.profiles[profile];

src/server/index.ts

@@ -1,4 +1,4 @@
-import { prepareTransactions, submitTransactions } from "@/runner";
+import { getTransactions, getTransactionsFromRange, prepareTransactions, submitTransactions } from "@/runner";
 import { Config } from "@/types/config";
 import express from "express";
 import multer from "multer";
@@ -20,6 +20,22 @@ export function serve(config: Config, port: number) {
     });
   });
 
+  app.get("/servers/:server/transactions", async (req, res) => {
+    const { start, end } = req.query;
+
+    if (start && end) {
+      const data = await getTransactionsFromRange(req.params.server, config, start.toString(), end.toString());
+      res.json(data);
+    }
+
+    else {
+      const limitParam = req.query.limit?.toString();
+      const limit = (limitParam && Number.parseInt(limitParam)) || undefined;
+      const data = await getTransactions(req.params.server, config, limit);
+      res.json(data);   
+    }    
+  });
+
   app.post("/prepare", upload.single("file"), async (req, res) => {
     if (!req.file) {
       throw new Error("No file to upload");