feat(admin): import institution admin

lab/admin/institution.py

@@ -3,18 +3,49 @@
 from django.contrib import admin
 from django.http.request import HttpRequest
 
+from lab.models.participation import Participation
+
 from ..models import Institution
 from .mixins import LabAdminAllowedMixin
 
 
+class ParticipationInline(admin.TabularInline):
+    model = Participation
+    verbose_name = "Institution member"
+    verbose_name_plural = "Institution members"
+    extra = 0
+
+    fields = ("user",)
+
+    def has_change_permission(
+        self, request: HttpRequest, obj: Institution | None = None
+    ) -> bool:
+        return False
+
+    def has_delete_permission(
+        self, request: HttpRequest, obj: Institution | None = None
+    ) -> bool:
+        return False
+
+    def has_add_permission(
+        self, request: HttpRequest, obj: Institution | None = None
+    ) -> bool:
+        return False
+
+
 # Allowance: ADMIN:lab admin, EDITOR:lab admin, CREATOR: any user, VIEWER:any user
 @admin.register(Institution)
 class InstitutionAdmin(LabAdminAllowedMixin, admin.ModelAdmin):
-    list_display = ("name", "country")
-    fields = ("name", "country")
+    list_display = ("name", "country", "ror_id", "members_num")
+    fields = ("name", "country", "ror_id")
+    inlines = [ParticipationInline]
 
     def has_add_permission(
         self, request: HttpRequest, obj: Optional[Institution] = None
     ) -> bool:
         # Any user can add an institution
         return True
+
+    @admin.display
+    def members_num(self, obj: Participation) -> int:
+        return obj.participation_set.count()