I have an inquiry form and when I try to give data as below.
ram, 20, surket, usa
ram, 22, diren, usa
unable to get stored in database 1 might get replaced. help appreciated tried numerous research but failed.
I want to store both values in the database. would you let me know what to use?
Please post your models, forms and views being used for this.
**models.py** from django.db import models from django.db.models.fields import CharField from django.contrib import admin # Create your models here. class Contact(models.Model): name = models.CharField(max_length=50, primary_key=True) contact = models.CharField(max_length=50, default='') address = models.TextField(max_length=50, default='') program = models.CharField(max_length=50, default='') email = models.CharField(max_length=50, default="") w3review = models.TextField(max_length=60, default="") def __str__(self): return self.name class Cv(models.Model): filename = models.CharField(max_length=20) upload = models.FileField(upload_to='cv') def __str__(self): return self.filename **views.py** from django.http import request, response from django.http.response import HttpResponse from django.shortcuts import render, redirect import weasyprint from .models import Contact from django.http import HttpResponse, Http404 from django.conf import settings import datetime from django.contrib.auth.forms import UserCreationForm from django.contrib.auth import authenticate, login, logout from django.template.loader import render_to_string from weasyprint import HTML import tempfile from django.db.models import Sum from .forms import CreateUserForm import csv import os from django.contrib import messages from django.contrib.auth.decorators import login_required import csv, io from .forms import ResultForm # Create your views here. def index(request): if request.method == 'POST': name = request.POST.get('name', '') contact = request.POST.get('contact', '') address = request.POST.get('address', '') # program2 = request.POST.get('program2', '') # bba = request.POST.get('bba', '') # bhm = request.POST.get('bhm', '') email = request.POST.get('email', '') program = request.POST.get('program', '') w3review = request.POST.get('w3review', '') # if request.POST.get('program'): # savevalue = Contact() # savevalue.program=request.POST.get('program') # savevalue.save() if name and contact and address and email and program and w3review: contact = Contact(name=name, contact=contact, address=address, email=email, program=program, w3review=w3review) contact.save() else: return HttpResponse("Enter all details") return render(request, 'index.html') @login_required(login_url='login') def export(request): response = HttpResponse(content_type='text/csv') writer = csv.writer(response) writer.writerow(['name', 'contact', 'address', 'email', 'program', 'w3review']) for contacts in Contact.objects.all().values_list('name', 'contact', 'address', 'email', 'program', 'w3review'): writer.writerow(contacts) response['Content-Disposition'] = 'attachment; filename="contactss.csv"' return response # def download(request, filepath): # file_path = os.path.join(settings.MEDIA_ROOT, filepath) # if os.path.exists(file_path): # with open(file_path, 'rb') as fh: # response = HttpResponse(fh.read(), content_type='application/pdf') # response['Content-Disposition'] = 'inline; filename=' + os.path.basename(file_path) # return response # return render(request, 'download.html', {'filepath': filepath}) @login_required(login_url='login') def export_pdf(request): response = HttpResponse(content_type='application/pdf') response["Content-Disposition"] = 'inline; attachment; filename=Contact' + \ str(datetime.datetime.now())+'.pdf' response["Content-Transfer-Encoding"] = 'binary' expenses = Contact.objects.all() # sum = expenses.aggregate(Sum('amount')) html_string = render_to_string( 'expenses/pdf-output.html', {'expenses': expenses}) html = HTML(string=html_string) result = html.write_pdf() with tempfile.NamedTemporaryFile(delete=True) as output: output.write(result) output.flush() output=open(output.name, 'rb') response.write(output.read()) return response def registerPage(request): form = CreateUserForm() if request.method == 'POST': form = CreateUserForm(request.POST) if form.is_valid(): form.save() user = form.cleaned_data.get('username') messages.success(request, 'Account was created for ' + user) return redirect('login') context = {'form': form} return render(request, 'expenses/register.html', context) def loginPage(request): if request.method == 'POST': username = request.POST.get('username') password = request.POST.get('password') user = authenticate(request, username=username, password=password) if user is not None: login(request, user) return redirect('home') else: messages.info(request, 'Username or Password is Incorrect') context = {} return render(request, 'expenses/login.html', context) login_required def logoutUser(request): logout(request) return redirect('index') @login_required(login_url='login') def homePage(request): return render(request, 'home.html') # upload csv file ############################Upload CSV File ############################################################## def profile_upload(request): template = "profile_upload.html" data = Contact.objects.all() # prompt is a context variable that can have different values depending on their context prompt = { 'order': 'Order of the CSV should be name, address, contact, program, email, w3review', 'profiles': data } # Get request returns the value of the data with the specified key. if request.method == 'GET': return render(request, template, prompt) csv_file = request.FILES['file'] # let's check if it is csv file or not if not csv_file.name.endswith('.csv'): messages.error(request, 'This is not a csv file') data_set = csv_file.read().decode('UTF-8') # setup a stream which is when we loop through each line we are able to handle a data in a stream. io_string = io.StringIO(data_set) next(io_string) for column in csv.reader(io_string, delimiter=',', quotechar="|"): _, created = Contact.objects.update_or_create( name = column[0], address = column[1], contact = column[2], program = column[3], email = column[4], w3review = column[5] ) context = {} return render(request, template, context) # Exam result search applicaiton def result_need(request): form = ResultForm(request.POST or None) template_name= 'result.html' context = {"form": form} if form.is_valid(): objects = Contact.objects.filter(name=form.cleaned_data['Name']) context['objects'] = objects return render(request, template_name, context)forms.py
from django.contrib.auth.forms import UserCreationForm
from django import forms
from django.contrib.auth.models import User
from django.db import models
from django.forms import fields
from django.forms.forms import Formclass CreateUserForm(UserCreationForm):
class Meta:
model = User
fields = [‘username’, ‘email’, ‘password1’, ‘password2’]class ResultForm(forms.Form):
Name = forms.CharField(label=‘Your Name’)
By definition and specification, the primary_key must be unique. As long as name is the primary key, you may not have two rows with the same name in the database.
Thank you, what do I suppose to make unique to another field not name. is that I have to place primary_key=True
