Geräte-Agent für lokale Scan-Aufträge anlegen

agents/fedeo-device-agent/src/config.ts

@@ -0,0 +1,44 @@
+import path from "node:path"
+import os from "node:os"
+import { AgentConfig } from "./types.js"
+import { loadDotEnv } from "./env.js"
+
+const optional = (value: string | undefined) => {
+    const trimmed = value?.trim()
+    return trimmed ? trimmed : undefined
+}
+
+const numberFromEnv = (value: string | undefined, fallback: number) => {
+    if (!value) return fallback
+
+    const parsed = Number(value)
+    return Number.isFinite(parsed) && parsed > 0 ? parsed : fallback
+}
+
+const scanFormatFromEnv = (value: string | undefined): AgentConfig["scanFormat"] => {
+    if (value === "png" || value === "tiff" || value === "pdf") return value
+    return "pdf"
+}
+
+export const loadConfig = (): AgentConfig => {
+    loadDotEnv(process.env.FEDEO_AGENT_ENV || ".env")
+
+    const fedeoUrl = optional(process.env.FEDEO_URL)
+    const agentToken = optional(process.env.FEDEO_AGENT_TOKEN)
+
+    if (!fedeoUrl) throw new Error("FEDEO_URL fehlt")
+    if (!agentToken) throw new Error("FEDEO_AGENT_TOKEN fehlt")
+
+    return {
+        fedeoUrl: fedeoUrl.replace(/\/+$/, ""),
+        agentToken,
+        pollSeconds: numberFromEnv(process.env.FEDEO_POLL_SECONDS, 5),
+        workDir: optional(process.env.FEDEO_WORK_DIR) || path.join(os.tmpdir(), "fedeo-device-agent"),
+        scannerName: optional(process.env.FEDEO_SCANNER_NAME),
+        printerName: optional(process.env.FEDEO_PRINTER_NAME),
+        scanFormat: scanFormatFromEnv(process.env.FEDEO_SCAN_FORMAT),
+        scanResolution: numberFromEnv(process.env.FEDEO_SCAN_RESOLUTION, 300),
+        scanMode: optional(process.env.FEDEO_SCAN_MODE) || "Color",
+        scanSource: optional(process.env.FEDEO_SCAN_SOURCE),
+    }
+}