Draft: CSV export

Close #56

aleksis/apps/csv_import/forms.py

@@ -6,7 +6,7 @@ from django.utils.translation import gettext_lazy as _
 
 from ruamel.yaml import YAML, YAMLError
 
-from aleksis.apps.csv_import.models import ImportTemplate
+from aleksis.apps.csv_import.models import CSVTemplate
 from aleksis.core.models import SchoolTerm
 
 
@@ -16,9 +16,7 @@ class CSVUploadForm(forms.Form):
         queryset=SchoolTerm.objects.all(),
         label=_("Related school term"),
     )
-    template = forms.ModelChoiceField(
-        queryset=ImportTemplate.objects.all(), label=_("Import template")
-    )
+    template = forms.ModelChoiceField(queryset=CSVTemplate.objects.all(), label=_("CSV template"))
     create = forms.BooleanField(
         initial=True, label=_("Create new objects if necessary"), required=False
     )
@@ -32,7 +30,22 @@ class CSVUploadForm(forms.Form):
         super().__init__(*args, **kwargs)
 
 
-class ImportTemplateUploadForm(forms.Form):
+class CSVExportForm(forms.Form):
+    school_term = forms.ModelChoiceField(
+        queryset=SchoolTerm.objects.all(), label=_("Related school term"), required=False
+    )
+    template = forms.ModelChoiceField(queryset=CSVTemplate.objects.all(), label=_("CSV template"))
+
+    def __init__(self, *args, **kwargs):
+        try:
+            school_terms = SchoolTerm.objects.on_day(timezone.now().date())
+            kwargs["initial"] = {"school_term": school_terms[0] if school_terms.exists() else None}
+        except SchoolTerm.DoesNotExist:
+            pass
+        super().__init__(*args, **kwargs)
+
+
+class CSVTemplateUploadForm(forms.Form):
     template = forms.FileField(
         label=_("CSV template"), validators=[FileExtensionValidator(["yml", "yaml"])]
     )
@@ -44,7 +57,7 @@ class ImportTemplateUploadForm(forms.Form):
             yaml = YAML(typ="safe")
             template_defs = yaml.load(file)
 
-            default_template_names = ImportTemplate.objects.filter(from_default=True).values_list(
+            default_template_names = CSVTemplate.objects.filter(from_default=True).values_list(
                 "name", flat=True
             )
             if set(template_defs.keys()) & set(default_template_names):