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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| from ..models import * | ||
| from django.contrib.admin.views.decorators import staff_member_required | ||
| import pandas as pd | ||
| import io | ||
| from django.shortcuts import redirect | ||
| from django.shortcuts import render | ||
|
|
||
| @staff_member_required(redirect_field_name="/", login_url="/") | ||
| def allocation(request): | ||
| """ | ||
| Display the Rebate Form Page :model:`home.models.students`. | ||
| *Template:* | ||
| :template:`home/allocation.html` | ||
| Gets the data from the allocation csv, | ||
| parses each row and allocates each student an allocation ID and caterer for that month. | ||
| Which can be then exported in the admin page. | ||
| CSV should be imported from /allocation/ url only | ||
| This form can only be accessed by the Institute's admin | ||
| """ | ||
| messages = "" | ||
| if ( | ||
| request.method == "POST" | ||
| and request.user.is_authenticated | ||
| and request.user.is_staff | ||
| ): | ||
| try: | ||
| file = request.FILES["csv"] | ||
| file_extension = file.name.split('.')[-1].lower() | ||
| if file_extension == 'csv': | ||
| csv_data = pd.read_csv(io.StringIO(file.read().decode('utf-8'))) | ||
| elif file_extension == 'xlsx': | ||
| csv_data = pd.read_excel(file, engine='openpyxl') | ||
| print(csv_data.head()) | ||
|
|
||
| for record in csv_data.to_dict(orient="records"): | ||
| try: | ||
| if 'First Preference' in csv_data.columns: | ||
| first_pref = str(record["First Preference"]).capitalize() | ||
| caterer1 = Caterer.objects.get(name=first_pref) | ||
| else: | ||
| first_pref =None | ||
| if 'Second Preference' in csv_data.columns: | ||
| second_pref = str(record["Second Preference"]).capitalize() | ||
| caterer2 = Caterer.objects.get(name=second_pref) | ||
| else: | ||
| second_pref=None | ||
| if 'Third Preference' in csv_data.columns: | ||
| third_pref = str(record["Third Preference"]).capitalize() | ||
| caterer3 = Caterer.objects.get(name=third_pref) | ||
| else: | ||
| third_pref=None | ||
|
|
||
| # getting period object | ||
| # if 'Period' in csv_data.columns and 'Semester' in csv_data.columns: | ||
| # period = str(record["Period"]).capitalize() | ||
| # semester = str(record["Semester"]).capitalize() | ||
| # period_obj = Period.objects.get(Sno=period, semester=Semester.objects.get(name=semester)) | ||
| # else: | ||
| # period_obj = Period.objects.filter().last() | ||
| period_obj = Period.objects.filter().last() | ||
|
|
||
| # getting high tea | ||
| high_tea = record["High Tea"] | ||
| jain = record["Jain"] | ||
| print(high_tea) | ||
| if(high_tea=="Yes" or high_tea==True or high_tea=="TRUE"): | ||
| high_tea=True | ||
| else: | ||
| high_tea=False | ||
|
|
||
| student = Student.objects.filter(name=record["Name"], hostel=record["Hostel"]).first() | ||
| if(student==None): | ||
| messages+=str(record["Email"]) | ||
| print(student) | ||
|
|
||
| if caterer1.student_limit>0: | ||
| caterer1.student_limit-=1 | ||
| caterer1.save(update_fields=["student_limit"]) | ||
| caterer=caterer1 | ||
| elif caterer2 and caterer2.student_limit>0: | ||
| caterer2.student_limit-=1 | ||
| caterer2.save(update_fields=["student_limit"]) | ||
| caterer=caterer2 | ||
| elif caterer3 and caterer3.student_limit>0: | ||
| caterer3.student_limit-=1 | ||
| caterer3.save(update_fields=["student_limit"]) | ||
| caterer=caterer3 | ||
| student_id = str(caterer.name[0]) | ||
| if high_tea == True: | ||
| student_id += "H" | ||
| else: | ||
| student_id+="NH" | ||
| student_id += str(caterer.student_limit) | ||
| allocation = Allocation( | ||
| email=student, | ||
| student_id=student_id, | ||
| period=period_obj, | ||
| caterer=caterer, | ||
| high_tea=high_tea, | ||
| jain=jain, | ||
| first_pref=first_pref, | ||
| second_pref=second_pref, | ||
| third_pref=third_pref, | ||
| ) | ||
| allocation.save() | ||
| student_bill = StudentBills.objects.get_or_create(email=student, semester=period_obj.semester) | ||
| UnregisteredStudent.objects.filter(email__iexact=student.email).delete() | ||
| except Exception as e: | ||
| print(e) | ||
| messages += "Form submitted. Please check the admin page." | ||
| except Exception as e: | ||
| print(e) | ||
| messages = "Invalid CSV file" | ||
| request.session["messages"] = messages | ||
| return redirect(request.path) | ||
| messages = request.session.get("messages", "") | ||
| if(messages!=""): | ||
| del request.session["messages"] | ||
| period_obj = Period.objects.filter().last() | ||
| caterer_list = [] | ||
| for caterer in Caterer.objects.filter(visible=True).all(): | ||
| caterer_high_tea = Allocation.objects.filter(caterer=caterer, high_tea=True,period=period_obj).count() | ||
| caterer_total = Allocation.objects.filter(caterer=caterer,period=period_obj).count() | ||
| caterer_left = caterer.student_limit | ||
| caterer_list.append([caterer.name,caterer_high_tea,caterer_total,caterer_left]) | ||
| context = {"messages": messages,"list": caterer_list} | ||
| return render(request, "admin/allocation.html", context) |
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