Added Student Batch-Wise Attendance report

erpnext/config/schools.py

@@ -76,6 +76,12 @@ def get_data():
 					"name": "Absent Student Report",
 					"doctype": "Attendance"
 				},
+				{
+					"type": "report",
+					"is_query_report": True,
+					"name": "Student Batch Wise Attendance",
+					"doctype": "Attendance"
+				},
 				{
 					"type": "report",
 					"is_query_report": True,

erpnext/schools/report/student_batch_wise_attendance/student_batch_wise_attendance.js

@@ -0,0 +1,12 @@
+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+
+frappe.query_reports["Student Batch-Wise Attendance"] = {
+    "filters": [{
+        "fieldname": "date",
+        "label": __("Date"),
+        "fieldtype": "Date",
+        "default": get_today(),
+        "reqd": 1
+    }]
+}

erpnext/schools/report/student_batch_wise_attendance/student_batch_wise_attendance.json

@@ -0,0 +1,18 @@
+{
+ "add_total_row": 0, 
+ "apply_user_permissions": 1, 
+ "creation": "2016-11-28 22:07:03.859124", 
+ "disabled": 0, 
+ "docstatus": 0, 
+ "doctype": "Report", 
+ "idx": 0, 
+ "is_standard": "Yes", 
+ "modified": "2016-12-01 10:48:23.380837", 
+ "modified_by": "Administrator", 
+ "module": "Schools", 
+ "name": "Student Batch-Wise Attendance", 
+ "owner": "Administrator", 
+ "ref_doctype": "Student Attendance", 
+ "report_name": "Student Batch-Wise Attendance", 
+ "report_type": "Script Report"
+}

erpnext/schools/report/student_batch_wise_attendance/student_batch_wise_attendance.py

@@ -0,0 +1,64 @@
+# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
+# License: GNU General Public License v3. See license.txt
+
+from __future__ import unicode_literals
+import frappe
+from frappe.utils import cstr, cint, getdate
+from frappe import msgprint, _
+
+def execute(filters=None):
+	if not filters: filters = {}
+
+	if not filters.get("date"):
+		msgprint(_("Please select date"), raise_exception=1)
+	
+	columns = get_columns(filters)
+
+	active_student_batch = get_active_student_batch()
+
+	data = []
+	for student_batch in active_student_batch:
+		row = [student_batch.name]
+		present_students = 0
+		absent_students = 0
+		student_batch_strength = get_student_batch_strength(student_batch.name)
+		student_attendance = get_student_attendance(student_batch.name, filters.get("date"))
+		if student_attendance:
+			for attendance in student_attendance:
+				if attendance.status== "Present":
+					present_students = attendance.count
+				elif attendance.status== "Absent":
+					absent_students = attendance.count
+
+		unmarked_students = student_batch_strength - (present_students + absent_students)
+		row+= [student_batch_strength, present_students, absent_students, unmarked_students]
+		data.append(row)
+
+	return columns, data
+
+def get_columns(filters):
+	columns = [ 
+		_("Student batch") + ":Link/Student Batch:250", 
+		_("Student batch Strength") + "::170", 
+		_("Present") + "::90", 
+		_("Absent") + "::90",
+		_("Not Marked") + "::90"
+	]
+	return columns
+
+def get_active_student_batch():
+	active_student_batch = frappe.db.sql("""select name from `tabStudent Batch` 
+		where active = 1 order by name""", as_dict=1)
+	return active_student_batch
+
+def get_student_batch_strength(student_batch):
+	student_batch_strength = frappe.db.sql("""select count(*) from `tabStudent Batch Student` 
+		where parent = %s""", student_batch)[0][0]
+	return student_batch_strength
+
+def get_student_attendance(student_batch, date):
+	student_attendance = frappe.db.sql("""select count(*) as count, status from `tabStudent Attendance` where \
+				student_batch= %s and date= %s and docstatus=1 and\
+				(course_schedule is Null or course_schedule='') group by status""",
+				(student_batch, date), as_dict=1)
+	return student_attendance