Relative from and to date in config, changed default to 3 days

config.ts

@@ -22,6 +22,16 @@ export const BANK_ACCOUNT_IDS = getArrayOrThrow("BANK_ACCOUNT_IDS")
 export const DB_DIRECTORY = getOrDefault("DB_DIRECTORY", "data")
 export const DB_FILENAME = getOrDefault("DB_FILENAME", "default")
 export const LOG_LEVEL = getOrDefault("LOG_LEVEL", "info")
+// Relative number of days in the past to start fetching transactions from
+export const TRANSACTION_RELATIVE_FROM_DATE = getNumberOrDefault(
+  "TRANSACTION_RELATIVE_FROM_DATE",
+  4,
+)
+// Relative number of days in the past to end fetching transactions from
+export const TRANSACTION_RELATIVE_TO_DATE = getNumberOrDefault(
+  "TRANSACTION_RELATIVE_TO_DATE",
+  3,
+)
 
 // Utility functions
 function getOrDefault(key: string, def: string): string {
@@ -37,3 +47,8 @@ function getOrThrow(key: string): string {
 function getArrayOrThrow(key: string): ReadonlyArray<string> {
   return getOrThrow(key).split(",")
 }
+
+function getNumberOrDefault(key: string, def: number): number {
+  const num = Number(process.env[key])
+  return Number.isNaN(num) ? def : num
+}