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app.py
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app.py
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from flask import Flask, request, jsonify
from flask_cors import CORS, cross_origin
app = Flask(__name__)
CORS(app)
def calculate_gpa(course_units, grades):
"""
Calculate the GPA given the course units and grades.
"""
if not all(0.00<=i<=5.00 for i in grades):
return jsonify({'error': 'Invalid grade value'})
total_cu = sum(course_units)
weighted_points = 0
for i in range(len(course_units)):
weighted_points += course_units[i] * grades[i]
gpa = weighted_points / total_cu
return round(gpa, 2)
def calculate_cgpa_utme(level, sem, prev_cgpa, gpa):
cgpa = prev_cgpa #initialize cgpa to the previous cgpa
if level == 100:
if sem == 1:
cgpa = 0
elif sem == 2:
cgpa = (prev_cgpa + gpa) / 2
elif level == 200:
if sem == 1:
cgpa = (prev_cgpa * 2 + gpa) / 3
elif sem == 2:
cgpa = (prev_cgpa * 3 + gpa) / 4
elif level == 300:
if sem == 1:
cgpa = (prev_cgpa * 4 + gpa)/5
elif sem == 2:
cgpa = (prev_cgpa * 5 + gpa)/6
elif level == 400:
if sem == 1:
cgpa = (prev_cgpa * 6 + gpa)/7
elif sem == 2:
cgpa = (prev_cgpa * 7 + gpa)/8
elif level == 500:
if sem == 1:
cgpa = (prev_cgpa * 8 + gpa)/9
elif sem == 2:
cgpa = (prev_cgpa * 9 + gpa)/10
elif level == 600:
if sem == 1:
cgpa = (prev_cgpa * 10 + gpa)/11
elif sem == 2:
cgpa = (prev_cgpa * 11 + gpa)/12
return round(cgpa, 2)
def calculate_cgpa_de(level, sem, prev_cgpa, gpa):
cgpa = prev_cgpa #initialize current cgpa to previous cgpa
if level == 200:
if sem == 1:
cgpa = 0
elif sem == 2:
cgpa = (prev_cgpa + gpa) / 2
elif level == 300:
if sem == 1:
cgpa = (prev_cgpa * 2 + gpa) / 3
elif sem == 2:
cgpa = (prev_cgpa * 3 + gpa) / 4
elif level == 400:
if sem == 1:
cgpa = (prev_cgpa * 4 + gpa)/5
elif sem == 2:
cgpa = (prev_cgpa * 5 + gpa)/6
elif level == 500:
if sem == 1:
cgpa = (prev_cgpa * 6 + gpa)/7
elif sem == 2:
cgpa = (prev_cgpa * 7 + gpa)/8
elif level == 600:
if sem == 1:
cgpa = (prev_cgpa * 8 + gpa)/9
elif sem == 2:
cgpa = (prev_cgpa * 9 + gpa)/10
return round(cgpa, 2)
@app.route('/generate_result', methods=['POST'])
@cross_origin()
def generate_result():
data = request.get_json()
admission_mode = data['admission_mode']
course_codes = data['course_codes']
course_units = data['course_units']
grades = data['grades']
level = data['level']
sem = data['sem']
prev_cgpa = data['prev_cgpa']
gpa = calculate_gpa(course_units, grades)
if admission_mode == 'UTME':
cgpa = calculate_cgpa_utme(level, sem, prev_cgpa, gpa)
else:
cgpa = calculate_cgpa_de(level, sem, prev_cgpa, gpa)
result = {
'Course Codes': course_codes,
'Course Units': course_units,
'Grades': grades,
'GPA': gpa,
'CGPA': cgpa
}
return jsonify(result)
@app.route('/')
def application_great():
return 'This application is great!'
@app.route('/add_names')
def add_names():
first_name = request.args.get('first_name')
last_name = request.args.get('last_name')
full_name = first_name + " " + last_name
return full_name
if __name__ == '__main__':
app.run(host='0.0.0.0', port=int(os.environ.get('PORT', 5000)))