From 50c35b71003f6f567c2ccedafedcb2fc9362570b Mon Sep 17 00:00:00 2001
From: Daniel Egger <daniel.egger@gmail.com>
Date: Thu, 18 Apr 2024 18:07:57 +0200
Subject: [PATCH] Add due_dates rest endpoint for dashboard

---
 server/config/urls.py                  |  2 +
 server/vbv_lernwelt/dashboard/views.py | 54 ++++++++++++++++++++++++--
 2 files changed, 53 insertions(+), 3 deletions(-)

diff --git a/server/config/urls.py b/server/config/urls.py
index 6155a093..716d4747 100644
--- a/server/config/urls.py
+++ b/server/config/urls.py
@@ -44,6 +44,7 @@ from vbv_lernwelt.dashboard.views import (
     get_dashboard_persons,
     get_mentee_count,
     get_mentor_open_tasks_count,
+    get_dashboard_due_dates,
 )
 from vbv_lernwelt.edoniq_test.views import (
     export_students,
@@ -124,6 +125,7 @@ urlpatterns = [
 
     # dashboard
     path(r"api/dashboard/persons/", get_dashboard_persons, name="get_dashboard_persons"),
+    path(r"api/dashboard/duedates/", get_dashboard_due_dates, name="get_dashboard_due_dates"),
     path(r"api/dashboard/config/", get_dashboard_config, name="get_dashboard_config"),
     path(r"api/dashboard/course/<str:course_id>/mentees/", get_mentee_count, name="get_mentee_count"),
     path(r"api/dashboard/course/<str:course_id>/open_tasks/", get_mentor_open_tasks_count,
diff --git a/server/vbv_lernwelt/dashboard/views.py b/server/vbv_lernwelt/dashboard/views.py
index ca57631e..63cd447e 100644
--- a/server/vbv_lernwelt/dashboard/views.py
+++ b/server/vbv_lernwelt/dashboard/views.py
@@ -1,4 +1,5 @@
 from dataclasses import asdict, dataclass
+from datetime import date
 from enum import Enum
 from typing import List, Set
 
@@ -18,6 +19,8 @@ from vbv_lernwelt.course.models import (
 )
 from vbv_lernwelt.course.views import logger
 from vbv_lernwelt.course_session_group.models import CourseSessionGroup
+from vbv_lernwelt.duedate.models import DueDate
+from vbv_lernwelt.duedate.serializers import DueDateSerializer
 from vbv_lernwelt.learning_mentor.models import LearningMentor
 from vbv_lernwelt.self_evaluation_feedback.models import SelfEvaluationFeedback
 
@@ -235,6 +238,53 @@ def get_dashboard_persons(request):
 def get_dashboard_due_dates(request):
     try:
         course_sessions = get_course_sessions_with_roles_for_user(request.user)
+        course_session_ids = [cs.id for cs in course_sessions]
+
+        all_due_dates = DueDate.objects.filter(
+            course_session__id__in=course_session_ids
+        )
+
+        # filter only future due dates
+        due_dates = []
+        today = date.today()
+        for due_date in all_due_dates:
+            if due_date.end:
+                if due_date.end.date() >= today:
+                    due_dates.append(due_date)
+            elif due_date.start:
+                if due_date.start.date() >= today:
+                    due_dates.append(due_date)
+
+        due_dates.sort(key=lambda x: x.start)
+
+        # find course session by id in `course_sessions`
+
+        result_due_dates = []
+        for due_date in due_dates:
+            data = DueDateSerializer(due_date).data
+
+            cs = next(
+                course_session
+                for course_session in course_sessions
+                if course_session.id == due_date.course_session.id
+            )
+            if cs:
+                data["course_session"] = {
+                    "id": str(cs.id),
+                    "session_title": cs.title,
+                    "course_id": str(cs.course.id),
+                    "course_title": cs.course.title,
+                    "course_slug": cs.course.slug,
+                    "user_role": user_role(cs.roles),
+                    "is_uk": cs.course.configuration.is_uk,
+                    "is_vv": cs.course.configuration.is_vv,
+                }
+            result_due_dates.append(data)
+
+        return Response(
+            status=200,
+            data=result_due_dates,
+        )
 
     except PermissionDenied as e:
         raise e
@@ -395,9 +445,7 @@ def get_mentor_open_tasks_count(request, course_id: str):
         return Response(
             status=200,
             data={
-                "open_task_count": _get_mentor_open_tasks_count(
-                    course_id, request.user
-                )  # noqa
+                "open_task_count": _get_mentor_open_tasks_count(course_id, request.user)  # noqa
             },
         )
     except PermissionDenied as e: