adding new tags from student_page to backend

application/forms.py

 from django import forms
 from .models import Post, CustomUser
+from taggit.forms import *
+from django.contrib.auth.forms import UserCreationForm, UserChangeForm
 
 class PostForm(forms.ModelForm):
-    published_date = forms.DateField(widget=forms.widgets.DateInput(format="%d. %h %Y, %M:%S"))
     class Meta:
         model = Post
-        fields = ('title', 'text', 'published_date', 'tags')
+        fields = ('title', 'text', 'published_date', 'tags')
+
+class NewTagForm(forms.ModelForm):
+    m_tags = TagField()
+    class Meta:
+        model = CustomUser
+        fields = ['m_tags']

application/models.py

 from taggit.managers import TaggableManager
 
 class CustomUser(models.Model):
-    user = models.OneToOneField(User, on_delete=models.CASCADE)
-    mytags = TaggableManager()
+    user = models.OneToOneField(User, null = True, on_delete=models.CASCADE)
+    tags = TaggableManager()
 
 
 class Post(models.Model):

application/templates/student_page.html

     <table class="table table-striped table-bordered table-hover">
     </table>
 </div>
+
+<form class="post-form" method="post">
+    {% csrf_token %}
+    {{form.as_p}}
+    <button type="submit" class="save btn btn-outline-dark">Save</button>
+</form>
 {% endblock %}

application/views.py

 from django.shortcuts import render, get_object_or_404
 from django.utils import timezone
-from .models import Post
-from .forms import PostForm
+from .models import Post, CustomUser
+from .forms import PostForm, NewTagForm
 from django.shortcuts import redirect
 from django.contrib.auth.decorators import login_required
 from django.contrib.admin.views.decorators import staff_member_required
 
 @login_required
 def student_page(request):
-    q = request.GET.get('q')
-    query = Q()
-    for word in q or []:
-            query = query | Q(tags__name__icontains=word)
-    result = Post.objects.filter(query)
-    return render(request, 'blog_search_list_view.html', {'result':result})
+    user_instance = CustomUser.objects.get(user=request.user)
+    if request.method == "POST":
+        form = NewTagForm(request.POST, instance=user_instance)
+        if form.is_valid():
+            obj = form.save(commit=False)
+            obj.user = request.user
+            obj.save()
+            m_tags = form.cleaned_data['m_tags']
+            obj.tags.add(*m_tags)
+            form.save_m2m()
+        return redirect('/student/')
+
+    else:
+        form = NewTagForm()
+    
+    return render(request, 'student_page.html', {'form':form})
+
+
     
 
 class TagSearch(TagCanvasListView):