Demo export action and added color badges where needed

techdb/flightslot/custom/colortag.py

@@ -0,0 +1,18 @@
+from colorfield.fields import ColorField
+from django.utils.html import format_html
+from django.utils.safestring import SafeText
+
+def course_color(color: ColorField | None) -> SafeText:
+    if not color:
+        return format_html("")
+    return format_html( 
+        '<div style="background-color: {}; \
+            width: 20px; height: 20px; \
+            border-radius: 25%; \
+            border-color: gray; \
+            border-style: solid; \
+            border-width: 1px; \
+            display: inline-block; \
+        "></div>',
+        color
+    )

techdb/flightslot/custom/defpassword.py

@@ -0,0 +1,4 @@
+from ..models.students import Student
+
+def default_password(student: Student) -> str:
+    return f"{student.name.lower()[0]}{student.surname.lower()}{student.id}"