Add control interface for pending data syncs

src/pretix/control/forms/mapping.py

@@ -0,0 +1,72 @@
+from django import forms
+from django.forms import formset_factory
+from django.utils.translation import gettext_lazy as _
+
+from pretix.base.datasync.sourcefields import QUESTION_TYPE_IDENTIFIERS
+from pretix.base.datasync.datasync import MODE_SET_IF_NEW, MODE_SET_IF_EMPTY, MODE_OVERWRITE, MODE_APPEND_LIST
+
+class PropertyMappingForm(forms.Form):
+    pretix_field = forms.CharField()
+    external_field = forms.CharField()
+    value_map = forms.CharField(required=False)
+    overwrite = forms.ChoiceField(
+        choices=[
+            (MODE_OVERWRITE, _("Overwrite")),
+            (MODE_SET_IF_NEW, _("Fill if new contact")),
+            (MODE_SET_IF_EMPTY, _("Fill if empty")),
+            (MODE_APPEND_LIST, _("Add to list")),
+        ]
+    )
+
+    def __init__(self, pretix_fields, external_fields_id, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields["pretix_field"] = forms.ChoiceField(
+            label=_("pretix Field"),
+            choices=pretix_fields_choices(pretix_fields),
+            required=False,
+        )
+        if external_fields_id:
+            self.fields["external_field"] = forms.ChoiceField(
+                widget=forms.Select(
+                    attrs={
+                        "data-model-select2": "json_script",
+                        "data-select2-src": "#" + external_fields_id,
+                    },
+                ),
+            )
+            self.fields["external_field"].choices = [
+                (self["external_field"].value(), self["external_field"].value()),
+            ]
+        print(self.fields)
+
+
+class PropertyMappingFormSet(formset_factory(
+    PropertyMappingForm,
+    can_order=True,
+    can_delete=True,
+    extra=0,
+)):
+    template_name = "pretixcontrol/datasync/property_mapping_formset.html"
+
+    def __init__(self, pretix_fields, external_fields, prefix, *args, **kwargs):
+        super().__init__(
+            form_kwargs={
+                "pretix_fields": pretix_fields,
+                "external_fields_id": prefix + "external-fields" if external_fields else None,
+            },
+            prefix=prefix,
+            *args, **kwargs)
+        self.external_fields = external_fields
+
+    def get_context(self):
+        ctx = super().get_context()
+        ctx["external_fields"] = self.external_fields
+        ctx["external_fields_id"] = self.prefix + "external-fields"
+        return ctx
+
+
+def pretix_fields_choices(pretix_fields):
+    return [
+        (key, label + " [" + QUESTION_TYPE_IDENTIFIERS[ptype] + "]")
+        for (required_input, key, label, ptype, enum_opts, getter) in pretix_fields
+    ]