dashboard: Add fragment with links to some misc external apps

dashboard/__init__.py

@@ -33,8 +33,15 @@ class DashboardFragment:
 
 class LinksCardDashboardFragment(DashboardFragment):
     template = "dashboard/links_card.dj.html"
-    links: [Link] = []
+    links: list[Link] = []
 
     @property
     def context(self):
         return {"links": self.links}
+
+    @property
+    def visible(self) -> bool:
+        return any(
+            link.permission is None or self.request.user.has_perm(link.permission)
+            for link in self.links
+        )

dashboard/dashboard.py

@@ -0,0 +1,42 @@
+import dashboard
+from dashboard import Link
+from membershipworks.models import Member
+from paperwork.models import Department
+
+
+@dashboard.register
+class ExternalAppsDashboardFragment(dashboard.LinksCardDashboardFragment):
+    name = "External Applications"
+
+    @property
+    def links(self):
+        links = [
+            Link(
+                "Wiki",
+                "https://wiki.claremontmakerspace.org",
+                tooltip="Uses CMS Network Computing account",
+                permission=None,
+            ),
+            Link(
+                "Mailman",
+                "http://mailman.claremontmakerspace.org",
+                tooltip="Mailing list management. Uses its own authentication, for now",
+                permission=None,
+            ),
+        ]
+
+        member = Member.from_user(self.request.user)
+        if (
+            member is not None
+            and Department.objects.filter(shop_lead_flag__members=member).exists()
+        ):
+            links.append(
+                Link(
+                    "Ticketing System",
+                    "https://tickets.claremontmakerspace.org/scp/",
+                    tooltip="Uses CMS Network Computing account",
+                    permission=None,
+                )
+            )
+
+        return links

membershipworks/dashboard.py

@@ -31,7 +31,3 @@ class MembershipworksDashboardFragment(dashboard.LinksCardDashboardFragment):
             permission="membershipworks.view_member",
         ),
     ]
-
-    @property
-    def visible(self) -> bool:
-        return self.request.user.has_perm("doorcontrol.view_hidevent")