Initial version of the E-Invoice solution of JR IT Services

jr_einvoice/presets.py

@@ -0,0 +1,27 @@
+from __future__ import annotations
+from pathlib import Path
+import yaml
+
+def load_yaml(path: Path) -> dict:
+    if not path.exists():
+        return {}
+    return yaml.safe_load(path.read_text(encoding="utf-8")) or {}
+
+def deep_merge(a: dict, b: dict) -> dict:
+    out = dict(a)
+    for k, v in (b or {}).items():
+        if isinstance(v, dict) and isinstance(out.get(k), dict):
+            out[k] = deep_merge(out[k], v)
+        else:
+            out[k] = v
+    return out
+
+def load_customer_preset(repo_root: Path, customer_key: str) -> dict:
+    key = customer_key.strip().lower()
+    # Prefer per-customer file
+    file_preset = repo_root / "presets" / "customers" / f"{key}.yaml"
+    if file_preset.exists():
+        return load_yaml(file_preset)
+    # Fallback to shared customers.yaml
+    shared = load_yaml(repo_root / "presets" / "customers.yaml").get("customers", {})
+    return shared.get(key, {})