feat: stock book

book_loans/views.py

@@ -29,6 +29,10 @@ def index(request):
             return_date = form.data["return_date"] or None
             notes = form.data["notes"]
 
+            book = books.get(id=book_id)
+            new_stock = book.stock - 1
+            books.filter(id=book_id).update(stock=new_stock)
+
             auth_session = request.session.get("auth_session", None)
             decoded = jwt.decode(
                 auth_session, settings.JWT_SECRET, algorithms=["HS256"]
@@ -75,6 +79,7 @@ def update(request, id):
         auth_session = request.session.get("auth_session", None)
         decoded = jwt.decode(auth_session, settings.JWT_SECRET, algorithms=["HS256"])
         librarians_id = decoded["librarian_id"]
+        context["initial_book_id"] = book_id
 
         if form.is_valid:
             loan_date = form.data["loan_date"]

books/forms.py

@@ -11,6 +11,15 @@ class BookForm(forms.Form):
             }
         ),
     )
+    stock = forms.IntegerField(
+        widget=forms.TextInput(
+            attrs={
+                "type": "number",
+                "placeholder": "Stock",
+                "class": "form-control",
+            }
+        ),
+    )
     description = forms.CharField(
         max_length=255,
         widget=forms.Textarea(

books/migrations/0002_book_stock.py

+# Generated by Django 4.2 on 2024-07-03 08:13
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('books', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='book',
+            name='stock',
+            field=models.BigIntegerField(blank=True, null=True),
+        ),
+    ]

books/models.py

@@ -4,6 +4,7 @@ from django.db import models
 class Book(models.Model):
     title = models.CharField(max_length=100)
     description = models.CharField(max_length=255)
+    stock = models.BigIntegerField(blank=True, null=True)
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
 

books/templates/book_table_data.html

@@ -2,6 +2,7 @@
   <thead>
     <tr class="table-primary">
       <th scope="col">Title</th>
+      <th scope="col">Stock</th>
       <th scope="col">Description</th>
       <th scope="col">Created At</th>
       <th scope="col">Updated At</th>
@@ -12,6 +13,7 @@
     {% if books %} {% for book in books %}
     <tr>
       <td>{{ book.title }}</td>
+      <td>{{ book.stock }}</td>
       <td>{{ book.description }}</td>
       <td>{{ book.created_at }}</td>
       <td>{{ book.updated_at }}</td>

books/views.py

@@ -14,9 +14,10 @@ def index(request):
         form = BookForm(request.POST)
         if form.is_valid:
             title = form.data["title"]
+            stock = form.data["stock"]
             description = form.data["description"]
 
-            Book.objects.create(title=title, description=description)
+            Book.objects.create(title=title, stock=stock, description=description)
 
     return render(request, "book.html", context)
 
@@ -25,17 +26,27 @@ def update(request, id):
     latest_book_list = Book.objects.order_by("created_at")[:10]
     context = {"books": latest_book_list}
     book = Book.objects.get(id=id)
-    initial_dict = {"title": book.title, "description": book.description}
+    initial_dict = {
+        "title": book.title,
+        "stock": book.stock,
+        "description": book.description,
+    }
     print(book.title)
     form = BookForm(request.POST or None, initial=initial_dict)
 
     if request.method == "POST":
         if form.is_valid:
             title = form.data["title"]
+            stock = form.data["stock"]
             description = form.data["description"]
             book = Book.objects.filter(id=id)
 
-            book.update(title=title, description=description, updated_at=datetime.now())
+            book.update(
+                title=title,
+                stock=stock,
+                description=description,
+                updated_at=datetime.now(),
+            )
             return HttpResponseRedirect("/dashboard/books")
 
     context["form"] = form