lms2

core/forms.py

@@ -0,0 +1,25 @@
+from django import forms
+from .models import Book, Transaction
+
+class BookForm(forms.ModelForm):
+    class Meta:
+        model = Book
+        fields = ['title', 'author', 'isbn', 'total_copies']
+        widgets = {
+            'title': forms.TextInput(attrs={'class': 'form-control'}),
+            'author': forms.TextInput(attrs={'class': 'form-control'}),
+            'isbn': forms.TextInput(attrs={'class': 'form-control'}),
+            'total_copies': forms.NumberInput(attrs={'class': 'form-control'}),
+        }
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields['total_copies'].initial = 1
+
+class IssueBookForm(forms.ModelForm):
+    class Meta:
+        model = Transaction
+        fields = ['borrower_name']
+        widgets = {
+            'borrower_name': forms.TextInput(attrs={'class': 'form-control'}),
+        }

core/migrations/0003_transaction.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.7 on 2025-10-25 14:19
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0002_preload_books'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Transaction',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('borrower_name', models.CharField(max_length=200)),
+                ('issue_date', models.DateTimeField(auto_now_add=True)),
+                ('return_date', models.DateTimeField(blank=True, null=True)),
+                ('is_returned', models.BooleanField(default=False)),
+                ('book', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.book')),
+            ],
+        ),
+    ]

core/models.py

@@ -8,4 +8,14 @@ class Book(models.Model):
     available_copies = models.PositiveIntegerField(default=1)
 
     def __str__(self):
-        return self.title
+        return self.title
+
+class Transaction(models.Model):
+    book = models.ForeignKey(Book, on_delete=models.CASCADE)
+    borrower_name = models.CharField(max_length=200)
+    issue_date = models.DateTimeField(auto_now_add=True)
+    return_date = models.DateTimeField(null=True, blank=True)
+    is_returned = models.BooleanField(default=False)
+
+    def __str__(self):
+        return f"{self.book.title} - {self.borrower_name}"

core/templates/core/add_book.html

@@ -0,0 +1,42 @@
+{% extends 'base.html' %}
+
+{% block title %}
+  Add Book - {{ project_name }}
+{% endblock title %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-8">
+            <div class="card">
+                <div class="card-header">
+                    <h3 class="card-title">Add a New Book</h3>
+                </div>
+                <div class="card-body">
+                    <form method="post">
+                        {% csrf_token %}
+                        <div class="mb-3">
+                            <label for="id_title" class="form-label">Title</label>
+                            {{ form.title }}
+                        </div>
+                        <div class="mb-3">
+                            <label for="id_author" class="form-label">Author</label>
+                            {{ form.author }}
+                        </div>
+                        <div class="mb-3">
+                            <label for="id_isbn" class="form-label">ISBN</label>
+                            {{ form.isbn }}
+                        </div>
+                        <div class="mb-3">
+                            <label for="id_total_copies" class="form-label">Total Copies</label>
+                            {{ form.total_copies }}
+                        </div>
+                        <button type="submit" class="btn btn-primary">Add Book</button>
+                        <a href="{% url 'index' %}" class="btn btn-secondary">Cancel</a>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock content %}

core/templates/core/index.html

@@ -5,9 +5,15 @@
 
 {% block content %}
 <div class="container mt-5">
-    <div class="text-center mb-5">
-        <h1 class="display-4">Public Library Catalog</h1>
-        <p class="lead">Browse our collection of available books.</p>
+    <div class="d-flex justify-content-between align-items-center mb-5">
+        <div class="text-center flex-grow-1">
+            <h1 class="display-4">Public Library Catalog</h1>
+            <p class="lead">Browse our collection of available books.</p>
+        </div>
+        <div>
+            <a href="{% url 'add_book' %}" class="btn btn-primary me-2">Add Book</a>
+            <a href="{% url 'transactions' %}" class="btn btn-info">View Transactions</a>
+        </div>
     </div>
 
     <div class="table-responsive">
@@ -18,6 +24,7 @@
                     <th scope="col">Author</th>
                     <th scope="col">ISBN</th>
                     <th scope="col">Available Copies</th>
+                    <th scope="col">Actions</th>
                 </tr>
             </thead>
             <tbody>
@@ -27,10 +34,17 @@
                     <td>{{ book.author }}</td>
                     <td>{{ book.isbn }}</td>
                     <td>{{ book.available_copies }} / {{ book.total_copies }}</td>
+                    <td>
+                        {% if book.available_copies > 0 %}
+                            <a href="{% url 'issue_book' book.id %}" class="btn btn-success btn-sm">Issue</a>
+                        {% else %}
+                            <button class="btn btn-secondary btn-sm" disabled>Issue</button>
+                        {% endif %}
+                    </td>
                 </tr>
                 {% empty %}
                 <tr>
-                    <td colspan="4" class="text-center">No books available at the moment.</td>
+                    <td colspan="5" class="text-center">No books available at the moment.</td>
                 </tr>
                 {% endfor %}
             </tbody>

core/templates/core/issue_book.html

@@ -0,0 +1,30 @@
+{% extends 'base.html' %}
+
+{% block title %}
+  Issue Book - {{ project_name }}
+{% endblock title %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-8">
+            <div class="card">
+                <div class="card-header">
+                    <h3 class="card-title">Issue Book: {{ book.title }}</h3>
+                </div>
+                <div class="card-body">
+                    <form method="post">
+                        {% csrf_token %}
+                        <div class="mb-3">
+                            <label for="id_borrower_name" class="form-label">Borrower Name</label>
+                            {{ form.borrower_name }}
+                        </div>
+                        <button type="submit" class="btn btn-primary">Issue Book</button>
+                        <a href="{% url 'index' %}" class="btn btn-secondary">Cancel</a>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock content %}

core/templates/core/transactions.html

@@ -0,0 +1,58 @@
+{% extends 'base.html' %}
+
+{% block title %}
+  Transactions - {{ project_name }}
+{% endblock title %}
+
+{% block content %}
+<div class="container mt-5">
+    <div class="d-flex justify-content-between align-items-center mb-5">
+        <div class="text-center flex-grow-1">
+            <h1 class="display-4">Transaction Log</h1>
+            <p class="lead">History of all book issues and returns.</p>
+        </div>
+        <a href="{% url 'index' %}" class="btn btn-primary">Back to Catalog</a>
+    </div>
+
+    <div class="table-responsive">
+        <table class="table table-striped table-hover">
+            <thead class="table-dark">
+                <tr>
+                    <th scope="col">Book Title</th>
+                    <th scope="col">Borrower Name</th>
+                    <th scope="col">Issue Date</th>
+                    <th scope="col">Return Date</th>
+                    <th scope="col">Status</th>
+                    <th scope="col">Actions</th>
+                </tr>
+            </thead>
+            <tbody>
+                {% for transaction in transactions %}
+                <tr>
+                    <td>{{ transaction.book.title }}</td>
+                    <td>{{ transaction.borrower_name }}</td>
+                    <td>{{ transaction.issue_date|date:"Y-m-d H:i" }}</td>
+                    <td>{{ transaction.return_date|date:"Y-m-d H:i"|default:"--" }}</td>
+                    <td>
+                        {% if transaction.is_returned %}
+                            <span class="badge bg-success">Returned</span>
+                        {% else %}
+                            <span class="badge bg-warning text-dark">Issued</span>
+                        {% endif %}
+                    </td>
+                    <td>
+                        {% if not transaction.is_returned %}
+                            <a href="{% url 'return_book' transaction.id %}" class="btn btn-info btn-sm">Return</a>
+                        {% endif %}
+                    </td>
+                </tr>
+                {% empty %}
+                <tr>
+                    <td colspan="6" class="text-center">No transactions found.</td>
+                </tr>
+                {% endfor %}
+            </tbody>
+        </table>
+    </div>
+</div>
+{% endblock content %}

core/urls.py

@@ -1,7 +1,11 @@
 from django.urls import path
 
-from .views import index
+from .views import index, add_book, issue_book, transactions, return_book
 
 urlpatterns = [
     path("", index, name="index"),
+    path("add_book/", add_book, name="add_book"),
+    path("issue_book/<int:book_id>/", issue_book, name="issue_book"),
+    path("transactions/", transactions, name="transactions"),
+    path("return_book/<int:transaction_id>/", return_book, name="return_book"),
 ]

core/views.py

@@ -1,5 +1,7 @@
-from django.shortcuts import render
-from .models import Book
+from django.shortcuts import render, redirect, get_object_or_404
+from .models import Book, Transaction
+from .forms import BookForm, IssueBookForm
+from django.utils import timezone
 
 def index(request):
     books = Book.objects.all()
@@ -7,4 +9,62 @@ def index(request):
         'books': books,
         'project_name': 'Library',
     }
-    return render(request, 'core/index.html', context)
+    return render(request, 'core/index.html', context)
+
+def add_book(request):
+    if request.method == 'POST':
+        form = BookForm(request.POST)
+        if form.is_valid():
+            book = form.save(commit=False)
+            book.available_copies = book.total_copies
+            book.save()
+            return redirect('index')
+    else:
+        form = BookForm()
+    context = {
+        'form': form,
+        'project_name': 'Library',
+    }
+    return render(request, 'core/add_book.html', context)
+
+def issue_book(request, book_id):
+    book = get_object_or_404(Book, id=book_id)
+    if request.method == 'POST':
+        form = IssueBookForm(request.POST)
+        if form.is_valid():
+            if book.available_copies > 0:
+                transaction = form.save(commit=False)
+                transaction.book = book
+                transaction.save()
+                book.available_copies -= 1
+                book.save()
+                return redirect('index')
+            else:
+                # Handle case where no copies are available
+                pass
+    else:
+        form = IssueBookForm()
+    context = {
+        'form': form,
+        'book': book,
+        'project_name': 'Library',
+    }
+    return render(request, 'core/issue_book.html', context)
+
+def transactions(request):
+    transactions = Transaction.objects.all().order_by('-issue_date')
+    context = {
+        'transactions': transactions,
+        'project_name': 'Library',
+    }
+    return render(request, 'core/transactions.html', context)
+
+def return_book(request, transaction_id):
+    transaction = get_object_or_404(Transaction, id=transaction_id)
+    if not transaction.is_returned:
+        transaction.is_returned = True
+        transaction.return_date = timezone.now()
+        transaction.save()
+        transaction.book.available_copies += 1
+        transaction.book.save()
+    return redirect('transactions')