add import and export functionality

hub/services/admin.py

@@ -1,6 +1,10 @@
 from django.contrib import admin
 from django.utils.html import format_html
 from adminsortable2.admin import SortableAdminMixin
+from import_export.admin import ImportExportModelAdmin
+from import_export import resources
+from import_export.fields import Field
+from import_export.widgets import ForeignKeyWidget
 
 from .models import (
     Category,
@@ -188,8 +192,31 @@ class WebsiteFaqAdmin(SortableAdminMixin, admin.ModelAdmin):
     ordering = ("order",)
 
 
+class ComputePlanResource(resources.ModelResource):
+    cloud_provider = Field(
+        column_name="cloud_provider",
+        attribute="cloud_provider",
+        widget=ForeignKeyWidget(CloudProvider, "name"),
+    )
+
+    class Meta:
+        model = ComputePlan
+        skip_unchanged = True
+        report_skipped = False
+        import_id_fields = ["name"]
+        fields = (
+            "name",
+            "vcpus",
+            "ram",
+            "cpu_mem_ratio",
+            "price_chf",
+            "cloud_provider",
+        )
+
+
 @admin.register(ComputePlan)
-class ComputePlansAdmin(admin.ModelAdmin):
+class ComputePlansAdmin(ImportExportModelAdmin):
+    resource_class = ComputePlanResource
     list_display = ("name", "cloud_provider", "vcpus", "ram", "price_chf", "active")
-    search_fields = ("name", "cloud_provider")
+    search_fields = ("name", "cloud_provider__name")  # Search by cloud_provider name
     ordering = ("name",)

hub/settings.py

@@ -1,5 +1,6 @@
 from pathlib import Path
 from environs import Env
+from import_export.formats.base_formats import CSV
 
 env = Env()
 env.read_env()
@@ -79,6 +80,7 @@ INSTALLED_APPS = [
     "schema_viewer",
     "nested_admin",
     "adminsortable2",
+    "import_export",
     # local
     "hub.services",
     "hub.broker",
@@ -245,3 +247,5 @@ JAZZMIN_SETTINGS = {
     "show_sidebar": True,
     "navigation_expanded": True,
 }
+
+IMPORT_EXPORT_FORMATS = [CSV]