snapshot: modularize integrations and builder order flows

backend/workflows/form_builder_views.py

@@ -1,7 +1,12 @@
+import json
+import re
+
 from django.contrib import messages
 from django.db import IntegrityError
+from django.http import JsonResponse
 from django.shortcuts import redirect, render
 from django.utils.translation import get_language, gettext as _
+
 from .forms import OffboardingRequestForm, OnboardingRequestForm
 from .form_builder import (
     DEFAULT_FIELD_ORDER,
@@ -27,7 +32,6 @@ from .models import (
     FormOption,
 )
 from .roles import ROLE_PLATFORM_OWNER, get_user_role_key
-import re
 
 
 def form_builder_page_impl(
@@ -482,6 +486,7 @@ def form_builder_page_impl(
         if form_type == 'onboarding'
         else OffboardingRequestForm.base_fields.keys()
     )
+
     for name in existing_names:
         if name not in default_names:
             default_names.append(name)
@@ -891,3 +896,73 @@ def form_builder_page_impl(
             'can_override_locked_builder_rules': can_override_locked_builder_rules,
         },
     )
+
+
+def form_builder_save_order_impl(request, *, audit_fn):
+    try:
+        payload = json.loads(request.body.decode('utf-8'))
+    except (json.JSONDecodeError, UnicodeDecodeError):
+        return JsonResponse({'ok': False, 'error': _('Ungültige JSON-Daten.')}, status=400)
+
+    form_type = payload.get('form_type')
+    if form_type not in DEFAULT_FIELD_ORDER:
+        return JsonResponse({'ok': False, 'error': _('Ungültiger Formulartyp.')}, status=400)
+    default_page_map = get_default_page_map(form_type)
+
+    columns = payload.get('columns')
+    if not isinstance(columns, dict):
+        return JsonResponse({'ok': False, 'error': _('Spalten-Daten fehlen.')}, status=400)
+
+    configs = list(FormFieldConfig.objects.filter(form_type=form_type).order_by('sort_order', 'field_name'))
+    custom_configs = list(FormCustomFieldConfig.objects.filter(form_type=form_type).order_by('sort_order', 'field_key'))
+    allowed_names = {cfg.field_name for cfg in configs} | {f'custom__{cfg.field_key}' for cfg in custom_configs}
+    seen = set()
+
+    allowed_columns = get_section_order(form_type)
+    fallback_section = allowed_columns[-1] if allowed_columns else ''
+
+    name_to_cfg = {cfg.field_name: cfg for cfg in configs}
+    custom_name_to_cfg = {f'custom__{cfg.field_key}': cfg for cfg in custom_configs}
+    sort_order = 0
+
+    for column_key in allowed_columns:
+        names = columns.get(column_key, [])
+        if not isinstance(names, list):
+            return JsonResponse({'ok': False, 'error': _('Ungültige Spalte: %(column)s') % {'column': column_key}}, status=400)
+
+        for name in names:
+            if not isinstance(name, str):
+                continue
+            if name not in allowed_names or name in seen:
+                continue
+            seen.add(name)
+            if name in name_to_cfg:
+                cfg = name_to_cfg[name]
+                cfg.sort_order = sort_order
+                cfg.page_key = column_key
+            else:
+                cfg = custom_name_to_cfg[name]
+                cfg.sort_order = sort_order
+                cfg.section_key = column_key
+            sort_order += 1
+
+    missing = [cfg.field_name for cfg in configs if cfg.field_name not in seen]
+    for name in missing:
+        cfg = name_to_cfg[name]
+        cfg.sort_order = sort_order
+        sort_order += 1
+        cfg.page_key = cfg.page_key or default_page_map.get(name, fallback_section)
+
+    missing_custom = [name for name in custom_name_to_cfg.keys() if name not in seen]
+    for name in missing_custom:
+        cfg = custom_name_to_cfg[name]
+        cfg.sort_order = sort_order
+        sort_order += 1
+        cfg.section_key = cfg.section_key or fallback_section
+
+    FormFieldConfig.objects.bulk_update(configs, ['sort_order', 'page_key'])
+    if custom_configs:
+        FormCustomFieldConfig.objects.bulk_update(custom_configs, ['sort_order', 'section_key'])
+    saved_count = len(configs) + len(custom_configs)
+    audit_fn(request, 'form_layout_saved', target_type='form_config', target_label=form_type, details={'saved_count': saved_count})
+    return JsonResponse({'ok': True, 'saved_count': saved_count})