From 2f02c8fa2bd2b17622dc381612a5ab59f3ef9ba6 Mon Sep 17 00:00:00 2001
From: Arity-T <tish.mainmail@gmail.com>
Date: Thu, 16 Jan 2025 18:37:27 +0300
Subject: [PATCH] =?UTF-8?q?=D0=9D=D0=B5=D0=BB=D1=8C=D0=B7=D1=8F=20=D0=BE?=
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---
 .../books/templates/books/book_detail.html    | 20 +++++++++-------
 bookify/books/views.py                        | 23 ++++++++++++++++---
 2 files changed, 32 insertions(+), 11 deletions(-)

diff --git a/bookify/books/templates/books/book_detail.html b/bookify/books/templates/books/book_detail.html
index 3b37044..225886e 100644
--- a/bookify/books/templates/books/book_detail.html
+++ b/bookify/books/templates/books/book_detail.html
@@ -37,14 +37,18 @@
 </div>
 
 {% if user.is_authenticated %}
-    <div class="add-review">
-        <h3>Добавить отзыв</h3>
-        <form method="POST" action="{% url 'books:add_review' book.pk %}">
-            {% csrf_token %}
-            {{ review_form.as_p }}
-            <button type="submit">Отправить</button>
-        </form>
-    </div>
+    {% if user_has_review %}
+        <p>Вы уже оставили отзыв.</p>
+    {% else %}
+        <div class="add-review">
+            <h3>Добавить отзыв</h3>
+            <form method="POST" action="{% url 'books:add_review' book.pk %}">
+                {% csrf_token %}
+                {{ review_form.as_p }}
+                <button type="submit">Отправить</button>
+            </form>
+        </div>
+    {% endif %}
 {% else %}
     <p>Для добавления отзывов <a href="{% url 'login' %}">войдите</a> или <a href="{% url 'books:register' %}">зарегистрируйтесь</a>.</p>
 {% endif %}
diff --git a/bookify/books/views.py b/bookify/books/views.py
index 49db152..a944e38 100644
--- a/bookify/books/views.py
+++ b/bookify/books/views.py
@@ -32,14 +32,23 @@ def book_list(request):
 
 
 def book_detail(request, pk):
-    """Детальная страница книги."""
     book = get_object_or_404(Book, pk=pk)
     reviews = book.reviews.all()
     review_form = ReviewForm()
+
+    user_has_review = False
+    if request.user.is_authenticated:
+        user_has_review = reviews.filter(user=request.user).exists()
+
     return render(
         request,
         "books/book_detail.html",
-        {"book": book, "reviews": reviews, "review_form": review_form},
+        {
+            "book": book,
+            "reviews": reviews,
+            "review_form": review_form,
+            "user_has_review": user_has_review,
+        },
     )
 
 
@@ -92,8 +101,16 @@ def delete_book(request, pk):
 
 @login_required
 def add_review(request, pk):
-    """Добавление отзыва к книге (только авторизованный пользователь)."""
     book = get_object_or_404(Book, pk=pk)
+
+    # Проверяем, не оставил ли уже этот пользователь отзыв
+    existing_review = Review.objects.filter(book=book, user=request.user).first()
+    if existing_review:
+        # Если уже есть отзыв, можно показать сообщение или
+        # перенаправить на страницу книги с сообщением
+        # Для простоты сделаем редирект с GET-параметром
+        return redirect("books:book_detail", pk=pk)
+
     if request.method == "POST":
         form = ReviewForm(request.POST)
         if form.is_valid():