calculate number of students in exam group
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@ -7,19 +7,22 @@ from frappe.model.document import Document
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class ExamGroup(Document):
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def before_save(self):
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self.number_of_students = 0
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exams = frappe.db.get_list(
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"Exam", filters={"date": self.date, "session": self.session}
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"Exam", filters={"date": self.date, "session": self.session}, pluck="name"
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)
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if not exams:
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frappe.throw("No exams found on given date and session")
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for i in exams:
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for exam_id in exams:
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exam_child = frappe.new_doc("Exam Child")
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exam_child.update(
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{
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"id": i["name"],
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"id": exam_id,
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"parent": self.name,
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"parentfield": "exams",
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"parenttype": self.doctype,
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}
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)
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self.exams.append(exam_child)
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exam = frappe.get_doc("Exam", exam_id)
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self.number_of_students += len(exam.students)
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