Re: Create View not saving form data to database

I found the error. I didn't had a required field for my model present in my html. so I was submitting blank to a field that required and input.

On Friday, 14 June 2019 07:04:38 UTC-4, Joe Reitman wrote:

Your passing strings as the first argument in your many-to-many fields. Shouldn't they be classes? Doc

On Thursday, June 13, 2019 at 8:31:29 PM UTC-5, curtly critchlow wrote:

CreateView class not saving data to database. When I hit submit, the html the page only refreshes. l'm not getting any errors so I have no idea what i'm doing wrong. Does CreateView automatically takes care of many to many relationships? here is my code below, I've been trying to solve this problem 2 days now.

1. Models.py
2.  
3. from django.db import models
4. from django.utils import timezone
5. from django.urls import reverse_lazy, reverse
7. # Create your models here.
9. class Requisition(models.Model):
10.    # constants
11.    FROZEN = 'Frozen'
12.    CHILLED = 'Chilled/Cold Pack'
13.    DRYICE = 'Dry Ice'
14.    ROOMTEMP = 'Room Temperature'
15.    TRANSPORT_CHOICE = [(FROZEN,FROZEN),(CHILLED,CHILLED),(DRYICE,DRYICE),(ROOMTEMP,ROOMTEMP)]
16.    
17.    EMAIL = 'email'
18.    HARDCOPY = 'Hardcopy Pickup'
19.    BOTH = 'Email & Hardcopy Pickup'
20.    RECEIPT_CHOICE = [(EMAIL,EMAIL), (HARDCOPY,HARDCOPY), (BOTH,BOTH)]
22.    
23.     ACUTE = 'Acute'
24.    CHRONIC = 'Chronic'
25.    SYMPTOMS_CHOICE = [(ACUTE,ACUTE,), (CHRONIC,CHRONIC)]
27.     #columns
28.    accession_number = models.CharField(max_length=254, unique=True, help_text='format: VSLXXX-XXX')
29.    customer = models.ForeignKey('general.Customer', on_delete=models.CASCADE, related_name='requisition')
30.    
31.    # Veterinary Officer Info
32.    veterinary_officer = models.CharField(max_length=50, blank=True)
33.    address = models.CharField(max_length=50, blank=True)
34.    contact_number = models.CharField(max_length=13, blank=True, help_text="number format example: +592 XXX XXXX")
35.     email_address = models.EmailField(max_length=50, blank=True)
37.     # General sample info
38.    
39.    collected_by = models.CharField(max_length=50)
40.    time_of_collection = models.DateTimeField()
41.    
43.     method_of_transport = models.CharField(max_length=50, choices=TRANSPORT_CHOICE)
44.    result_transmission = models.CharField(max_length=50, choices=RECEIPT_CHOICE)
46.     #pathology
47.    reason_for_request = models.ManyToManyField('ReasonForRequest',related_name='requisition', blank=True)
48.    illness_date = models.DateField('Date of onset of illness', blank=True, null=True)
49.    illness_duration = models.CharField('Duration of illness', max_length=254, blank=True)
50.    symptoms = models.CharField(max_length=50, choices=SYMPTOMS_CHOICE, blank=True)
51.    fever = models.BooleanField('Presence of Fever', blank=True, null=True)
52.    body_temp = models.PositiveSmallIntegerField('Max body Temperature (C)', blank=True, null=True)
53.    fever_duration = models.CharField('Duration of Fever',max_length=50, blank=True)
54.    signs = models.ManyToManyField('Signs', related_name='requisition', blank=True)
55.    vaccination_status = models.CharField(max_length=50, blank=True)
56.    vaccination_date = models.DateField('Date of Vaccination', blank=True, null=True)
57.    treatments = models.TextField('Previous/Current Treatments', blank=True)
58.    exposed = models.ManyToManyField('Exposed', related_name='requisition', through='ExposureHistory', blank=True)
59.    
60.    comments = models.TextField(blank=True)
61.    recieved_by = models.ForeignKey('auth.User', on_delete=models.CASCADE)
62.    submitted_by = models.CharField(max_length=254, help_text='if multiple persons separate names using "&" exampe: John Doe               & Jane Doe')
63.    date_of_submission = models.DateTimeField(auto_now_add=True)
65.     def __str__(self):
66.        return self.accession_number
67.  
68.    def get_absolute_url(self):
69.        return reverse("laboratory:requisition_details", kwargs={'pk':self.pk})
70.    
71. forms.py
73. from django.forms import ModelForm
74. from general.models import Customer
75. from laboratory.models import Requisition
76. from bootstrap_datepicker_plus import DatePickerInput, DateTimePickerInput
78. class RequisitionForm(ModelForm):
79.    class Meta:
80.        model = Requisition
81.        fields = '__all__'
82.        widgets = {
83.            'illness_date': DatePickerInput,
84.            'vaccination_date': DatePickerInput,
85.            'date_of_submission': DateTimePickerInput,
86.        }
87. views.py
88. from django.contrib.auth.mixins import LoginRequiredMixin
89. from django.urls import reverse_lazy, reverse
90. from django.shortcuts import render
91. from django.views.generic import TemplateView, CreateView, DetailView, ListView, UpdateView, DeleteView
92. from general.models import Customer
93. from laboratory.models import Requisition, Sample
94. from laboratory.forms import RequisitionForm
95. # Create your views here.
97. class RequisitionListView(LoginRequiredMixin, ListView):
98.    model = Requisition
99.    context_object_name = 'requisition_list'
100.    template_name ='laboratory/requisition_list.html'
102. class RequisitionDetailView(DetailView):
103.    model = Requisition
104.    context_object_name = 'requisition_details'
105.    template_name='laboratory/requisition_details.html'  
106.  
107. class RequisitionCreateView(LoginRequiredMixin, CreateView):
108.    model = Requisition
109.    form_class= RequisitionForm
110.    template_name = 'laboratory/requisition_create.html'
112. requisition_create.html
113. {% extends "user_home.html" %}
114. {% load static %}
115. {% load widget_tweaks %}
116. {% load bootstrap4 %}      
117. {% bootstrap_css %}        
118. {% bootstrap_javascript jquery='full' %}  
119. {‌{ form.media }}
120.  
121. {% block form %}
122. <div class="main jumbotron">
123.  <h1>Complete Requisition form below</h1>
124.  <p></p>
125.  <form method="POST">
126.       {% csrf_token %}
127.      <div class='row'>
128.        <div class='col'>
129.          <div class="card">
130.        <div class="card-header">
131.          General Information
132.        </div>
133.        <div class="card-body fieldwrapper form-group">
134.          {‌{ form.accession_number.errors }}
135.          {‌{ form.accession_number.label_tag }}
136.          {‌{ form.accession_number|add_class:"form-control" }}
137.          <p></p>
138.           {‌{ form.customers.errors }}
139.          {‌{ form.customer.label_tag }}
140.          {‌{ form.customer|add_class:"form-control" }}
141.          <p></p>
142.           {‌{ form.collected_by.errors }}
143.          {‌{ form.collected_by.label_tag }}
144.          {‌{ form.collected_by|add_class:"form-control" }}
145.          <p></p>
146.           {‌{ form.recieved_by.errors }}
147.          {‌{ form.recieved_by.label_tag }}
148.          {‌{ form.recieved_by|add_class:"form-control" }}
149.          <p></p>
150.           {‌{ form.submitted_by.errors }}
151.          {‌{ form.submitted_by.label_tag }}
152.          {‌{ form.submitted_by|add_class:"form-control" }}
153.          <p></p>
154.           {‌{ form.date_of_submission.errors }}
155.          {‌{ form.date_of_submission.label_tag }}
156.          {‌{ form.date_of_submission|add_class:"form-control" }}
157.            
158.        </div>
159.          </div>
160.        </div>
161.        
162.        <p></p>
163.        <div class="col">
164.         <div class="card">
165.        <div class='card-header'>
166.          Veterinarian/Leo/Lea Information
167.        </div>
168.        <div class="card-body">
169.          {‌{ form.veterinary_officer.errors }}
170.          {‌{ form.veterinary_officer.label_tag }}
171.          {‌{ form.veterinary_officer|add_class:"form-control" }}
172.         <p></p>
173.          {‌{ form.address.errors }}
174.         {‌{ form.address.label_tag }}
175.         {‌{ form.address|add_class:"form-control" }}
176.         <p></p>
177.          {‌{ form.contact_number.errors }}
178.         {‌{ form.contact_number.label_tag }}
179.         {‌{ form.contact_number|add_class:"form-control" }}
180.         <p></p>
181.          {‌{ form.email_address.errors }}
182.         {‌{ form.email_address.label_tag }}
183.         {‌{ form.email_address|add_class:"form-control" }}
184.        </div>  
185.         </div>
186.         </div>
187.        
188.      </div>
190.       <p></p>
191.      
192.      <div class="card">
193.      <div class='card-header'>
194.        Transmission Information
195.      </div>
196.      <div class="card-body">
197.        {‌{ form.method_of_transport.errors }}
198.        {‌{ form.method_of_transport.label_tag }}
199.        {‌{ form.method_of_transport|add_class:"form-control" }}
200.        <p></p>
201.         {‌{ form.result_transmission.errors }}
202.        {‌{ form.result_transmission.label_tag }}
203.        {‌{ form.result_transmission|add_class:"form-control" }}
204.          
205.    </div>  
206.      </div>
207.      <p></p>
208.      <div class="card">
209.        <div class='card-header'>
210.          Pathology Information
211.        </div>
212.          <div class="card-body row">
213.            <div class='col'>
214.            {‌{ form.reason_for_request.errors }}
215.            {‌{ form.reason_for_request.label_tag }}
216.            {‌{ form.reason_for_request|add_class:"form-control" }}
217.            <p></p>
218.             {‌{ form.illness_date.errors }}
219.            {‌{ form.illness_date.label_tag }}
220.            {‌{ form.illness_date|add_class:"form-control" }}
221.           <p></p>
222.            {‌{ form.symptoms.errors }}
223.           {‌{ form.symptoms.label_tag }}
224.           {‌{ form.symptoms|add_class:"form-control" }}
225.           <p></p>
226.            {‌{ form.fever.errors }}
227.           {‌{ form.fever.label_tag }}
228.           {‌{ form.fever|add_class:"form-control" }}
229.           <p></p>
230.            {‌{ form.body_temp.errors }}
231.           {‌{ form.body_temp.label_tag }}
232.           {‌{ form.body_temp|add_class:"form-control" }}
233.           <p></p>
234.            {‌{ form.fever_duration.errors }}
235.           {‌{ form.fever_duration.label_tag }}
236.           {‌{ form.fever_duration|add_class:"form-control" }}
237.           <p></p>            
238.          </div>
240.           <div class='col'>
241.          {‌{ form.signs.errors }}
242.          {‌{ form.signs.label_tag }}
243.          {‌{ form.signs|add_class:"form-control" }}<p></p>
244.           <p></p>
245.           {‌{ form.vaccination_status.errors }}
246.          {‌{ form.vaccination_status.label_tag }}
247.          {‌{ form.vaccination_status|add_class:"form-control" }}
248.          <p></p>
249.           {‌{ form.vaccination_date.errors }}
250.          {‌{ form.vaccination_date.label_tag }}
251.          {‌{ form.vaccination_date|add_class:"form-control" }}
252.          <p></p>
253.           {‌{ form.treatments.errors }}
254.          {‌{ form.treatments.label_tag }}
255.          {‌{ form.treatments|add_class:"form-control" }}
256.          <p></p>
257.           {‌{ form.exposed.errors }}
258.          {‌{ form.exposed.label_tag }}
259.          {‌{ form.exposed|add_class:"form-control" }}
260.          </div>
261.        </div>  
262.      </div>
263.      <p></p>
264.      {‌{ form.comments.errors }}
265.      {‌{ form.comments.label_tag }}
266.      {‌{ form.comments|add_class:"form-control" }}
267.      <p></p>
268.      
269.      <input type="submit" class='btn btn-primary' value='Submit'>
270.    
272.   </form>
273. </div>
274.  
275. {% endblock form %}

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