40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
# Create your views here.
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import json
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from datetime import datetime
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from django.http import HttpResponse, Http404
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def dictfetchall(cursor):
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'''Returns all rows from a cursor as a dict.
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Borrowed from Django documentation'''
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desc = cursor.description
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return [
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dict(zip([col[0] for col in desc], row))
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for row in cursor.fetchall()
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]
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def dashboard(request):
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"""
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Quick hack to show staff enrollment numbers. This should be
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replaced with a real dashboard later. This version is a short-term
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bandaid for the next couple weeks.
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"""
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if not request.user.is_staff:
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raise Http404
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queries = []
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queries.append("select count(user_id) as students, course_id from student_courseenrollment group by course_id order by students desc;")
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queries.append("select count(distinct user_id) as unique_students from student_courseenrollment;")
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queries.append("select registrations, count(registrations) from (select count(user_id) as registrations from student_courseenrollment group by user_id) as registrations_per_user group by registrations;")
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from django.db import connection
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cursor = connection.cursor()
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results = []
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for query in queries:
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cursor.execute(query)
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results.append(dictfetchall(cursor))
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return HttpResponse(json.dumps(results, indent=4))
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