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from django.shortcuts import render, get_object_or_404, redirect
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from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
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from django.db.models import Q
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from django.contrib import messages
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from django.contrib.auth.decorators import login_required
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from django.http import JsonResponse
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from django.views.decorators.http import require_POST
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from .models import Post, Category
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from .forms import PostForm
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from comments.forms import CommentForm # 从comments应用导入CommentForm
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def index(request):
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"""首页视图 - 显示最新发布的文章"""
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# LXC：获取所有已发布的文章，按照创建时间倒序排列
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post_list_all = Post.objects.filter(status='published').order_by('-created_time')
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# LXC：创建分页器对象，每页显示10篇文章
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paginator = Paginator(post_list_all, 10)
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page_number = request.GET.get('page')
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try:
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post_list = paginator.page(page_number)
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except PageNotAnInteger:
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# LXC：当页码不是整数时，显示第一页内容
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post_list = paginator.page(1)
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except EmptyPage:
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# LXC：当页码超出范围时，显示最后一页内容
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post_list = paginator.page(paginator.num_pages)
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# LXC：获取热门文章，按浏览量降序排列，取前5篇
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hot_posts = Post.objects.filter(status='published').order_by('-views')[:5]
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# LXC：构建页面上下文数据
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context = {
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'post_list': post_list,
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'hot_posts': hot_posts,
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'category_info': {
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'name': '非遗传承',
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'label': '',
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'desc': '探索南京非物质文化遗产的独特魅力与传承故事'
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},
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'current_path': request.path,
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'current_category_id': None
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}
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# LXC：渲染首页模板并返回响应
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return render(request, 'blog/index.html', context)
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def category_view(request, category_id):
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"""分类页面视图 - 显示指定分类的文章"""
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# LXC：根据分类ID获取分类对象，如果不存在则返回404错误
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category = get_object_or_404(Category, id=category_id)
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# LXC：获取该分类下所有已发布的文章，按创建时间倒序排列
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posts_all = Post.objects.filter(category=category, status='published').order_by('-created_time')
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# LXC：创建分页器对象，每页显示10篇文章
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paginator = Paginator(posts_all, 10)
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page_number = request.GET.get('page')
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try:
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posts = paginator.page(page_number)
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except PageNotAnInteger:
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posts = paginator.page(1)
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except EmptyPage:
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posts = paginator.page(paginator.num_pages)
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# LXC：获取热门文章，按浏览量降序排列，取前5篇
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hot_posts = Post.objects.filter(status='published').order_by('-views')[:5]
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# LXC：定义分类信息映射字典，包含每个分类的显示标签和描述
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category_map = {
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1: {'label': '巧夺天工·工艺', 'desc': '探索南京传统手工艺的精湛技艺与匠心传承'},
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2: {'label': '梨园雅韵·表演', 'desc': '感受南京传统表演艺术的独特韵味与舞台魅力'},
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3: {'label': '人间烟火·民俗', 'desc': '体验南京丰富多彩的民俗活动与民间传统'},
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4: {'label': '口传心授·文学', 'desc': '领略南京口传文学的语言艺术与文化内涵'},
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5: {'label': '匠心传承·人物', 'desc': '认识南京非物质文化遗产的传承人与守护者'},
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}
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# LXC：根据分类ID获取对应的分类信息，如果不存在则使用默认值
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category_info = category_map.get(category_id, {
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'label': category.name,
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'desc': f'探索南京{category.name}的独特魅力'
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})
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# LXC：构建页面上下文数据
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context = {
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'post_list': posts,
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'hot_posts': hot_posts,
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'category_info': {
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'name': category.name,
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'label': category_info['label'],
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'desc': category_info['desc']
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},
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'current_path': request.path,
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'current_category_id': category_id
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}
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# LXC：渲染分类页面模板并返回响应
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return render(request, 'blog/index.html', context)
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def detail(request, post_id):
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"""文章详情页 - 显示单篇文章的完整内容"""
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# LXC：根据文章ID获取已发布的文章对象，如果不存在则返回404错误
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post = get_object_or_404(Post, id=post_id, status='published')
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# LXC：增加文章浏览量并保存到数据库
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post.views += 1
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post.save()
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# LXC：导入评论模型
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from comments.models import Comment
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# LXC：获取该文章的所有评论，按创建时间倒序排列
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comments = post.comments.all().order_by('-created_time')
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# LXC：创建评论表单实例
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comment_form = CommentForm()
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# LXC：构建页面上下文数据
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context = {
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'post': post,
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'comments': comments,
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'comment_form': comment_form,
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}
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# LXC：渲染文章详情页模板并返回响应
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return render(request, 'blog/detail.html', context)
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def search(request):
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"""搜索文章 - 根据关键词搜索文章内容"""
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# LXC：获取搜索关键词并去除首尾空格
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query = request.GET.get('q', '').strip()
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# LXC：获取热门文章，按浏览量降序排列，取前5篇
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hot_posts = Post.objects.filter(status='published').order_by('-views')[:5]
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# LXC：初始化空的搜索结果集
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results = Post.objects.none()
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result_count = 0
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if query:
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# LXC：如果有关键词，执行多字段搜索
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results = Post.objects.filter(
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Q(title__icontains=query) |
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Q(content__icontains=query) |
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Q(excerpt__icontains=query) |
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Q(primary_tags__name__icontains=query) |
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Q(secondary_tags__name__icontains=query),
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status='published'
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).distinct().order_by('-created_time')
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# LXC：统计搜索结果数量
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result_count = results.count()
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# LXC：如果没有搜索结果，添加提示消息
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if result_count == 0:
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messages.info(request, f'没有找到包含"{query}"的文章，请尝试其他关键词。')
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else:
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# LXC：如果没有输入关键词，显示提示信息
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messages.info(request, '请输入搜索关键词。')
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# LXC：创建分页器对象，每页显示10篇文章
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paginator = Paginator(results, 10)
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page_number = request.GET.get('page')
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try:
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page_obj = paginator.page(page_number)
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except PageNotAnInteger:
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page_obj = paginator.page(1)
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except EmptyPage:
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page_obj = paginator.page(paginator.num_pages)
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# LXC：构建页面上下文数据
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context = {
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'post_list': page_obj,
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'hot_posts': hot_posts,
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'category_info': {
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'name': f'搜索"{query}"' if query else '搜索',
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'label': '搜索结果',
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'desc': f'找到 {result_count} 篇相关文章' if query else '请输入搜索关键词'
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},
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'current_path': request.path,
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'current_category_id': None,
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'search_query': query
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}
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return render(request, 'blog/index.html', context)
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def about(request):
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"""关于页面 - 网站介绍"""
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context = {
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'category_info': {
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'name': '关于我们',
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'label': '关于金陵非遗',
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'desc': '了解南京非物质文化遗产保护与传承的使命'
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},
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'current_path': request.path,
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}
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return render(request, 'blog/about.html', context)
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# ========== 文章管理视图函数 ==========
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@login_required
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def create_post(request):
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"""发表新文章"""
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if request.method == 'POST':
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# LXC：使用POST数据和文件数据初始化表单
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form = PostForm(request.POST, request.FILES)
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if form.is_valid():
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# LXC：保存文章但不提交到数据库，以便设置作者
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post = form.save(commit=False)
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# LXC：设置文章作者为当前登录用户
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post.author = request.user
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# LXC：新文章默认为草稿状态
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post.status = 'draft'
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post.save()
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# LXC：保存多对多关系（标签）
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form.save_m2m()
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messages.success(request, '文章创建成功！已保存为草稿。')
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return redirect('user_posts')
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else:
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messages.error(request, '文章创建失败，请检查表单内容。')
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else:
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# LXC：GET请求时创建空表单
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form = PostForm()
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context = {
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'form': form,
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'category_info': {
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'name': '发表文章',
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'label': '创作非遗',
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'desc': '分享您对南京非物质文化遗产的见解和故事'
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},
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'current_path': request.path,
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}
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return render(request, 'blog/create_post.html', context)
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@login_required
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def user_posts(request):
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"""用户个人文章管理"""
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# LXC：获取当前用户的所有文章，按创建时间倒序排列
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posts = Post.objects.filter(author=request.user).order_by('-created_time')
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context = {
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'posts': posts,
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'category_info': {
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'name': '我的文章',
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'label': '个人创作',
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'desc': '管理您发表的非遗文章'
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},
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'current_path': request.path,
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}
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return render(request, 'blog/user_posts.html', context)
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@login_required
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def edit_post(request, post_id):
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"""编辑文章"""
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# LXC：获取文章对象，确保作者是当前用户
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post = get_object_or_404(Post, id=post_id, author=request.user)
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if request.method == 'POST':
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# LXC：使用POST数据和文件数据初始化表单，并绑定到现有文章实例
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form = PostForm(request.POST, request.FILES, instance=post)
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if form.is_valid():
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form.save()
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messages.success(request, '文章更新成功！')
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return redirect('user_posts')
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else:
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messages.error(request, '文章更新失败，请检查表单内容。')
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else:
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# LXC：GET请求时使用现有文章数据初始化表单
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form = PostForm(instance=post)
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context = {
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'form': form,
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'post': post,
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'category_info': {
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'name': '编辑文章',
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'label': '修改创作',
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'desc': '修改您的非遗文章内容'
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},
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'current_path': request.path,
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}
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return render(request, 'blog/edit_post.html', context)
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@login_required
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@require_POST
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def publish_post(request, post_id):
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"""发布文章（将草稿状态改为已发布）"""
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# LXC：获取文章对象，确保作者是当前用户
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post = get_object_or_404(Post, id=post_id, author=request.user)
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if post.status == 'draft':
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# LXC：将文章状态从草稿改为已发布
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post.status = 'published'
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post.save()
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messages.success(request, '文章已成功发布！')
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else:
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messages.warning(request, '文章状态未改变。')
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return redirect('user_posts')
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@login_required
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@require_POST
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def delete_post(request, post_id):
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"""删除文章"""
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# LXC：获取文章对象，确保作者是当前用户
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post = get_object_or_404(Post, id=post_id, author=request.user)
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post_title = post.title
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# LXC：删除文章
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post.delete()
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messages.success(request, f'文章 "{post_title}" 已删除。')
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return redirect('user_posts')
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@login_required
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@require_POST
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def like_post(request, post_id):
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"""点赞文章"""
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# LXC：获取文章对象
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post = get_object_or_404(Post, id=post_id)
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# LXC：实现点赞功能逻辑
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if post.likes.filter(id=request.user.id).exists():
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# LXC：如果已经点赞，取消点赞
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post.likes.remove(request.user)
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liked = False
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else:
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# LXC：如果没有点赞，添加点赞
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post.likes.add(request.user)
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liked = True
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# LXC：返回JSON响应，包含点赞状态和点赞数量
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return JsonResponse({
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'liked': liked,
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'likes_count': post.likes.count()
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})
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@login_required
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@require_POST
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def favorite_post(request, post_id):
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"""收藏文章"""
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# LXC：获取文章对象
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post = get_object_or_404(Post, id=post_id)
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# LXC：实现收藏功能逻辑
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if post.favorites.filter(id=request.user.id).exists():
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# LXC：如果已经收藏，取消收藏
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post.favorites.remove(request.user)
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favorited = False
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else:
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# LXC：如果没有收藏，添加收藏
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post.favorites.add(request.user)
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favorited = True
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# LXC：返回JSON响应，包含收藏状态和收藏数量
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return JsonResponse({
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'favorited': favorited,
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'favorites_count': post.favorites.count()
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})
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@login_required
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def edit_post(request, post_id):
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"""编辑文章"""
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try:
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# LXC：获取文章对象，确保作者是当前用户，否则重定向
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post = get_object_or_404(Post, id=post_id, author=request.user)
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except:
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messages.error(request, '您没有权限编辑这篇文章或文章不存在。')
|
|
|
return redirect('user_posts')
|
|
|
|
|
|
if request.method == 'POST':
|
|
|
# LXC：使用POST数据和文件数据初始化表单，并绑定到现有文章实例
|
|
|
form = PostForm(request.POST, request.FILES, instance=post)
|
|
|
if form.is_valid():
|
|
|
form.save()
|
|
|
messages.success(request, '文章更新成功！')
|
|
|
return redirect('user_posts')
|
|
|
else:
|
|
|
messages.error(request, '文章更新失败，请检查表单内容。')
|
|
|
else:
|
|
|
# LXC：GET请求时使用现有文章数据初始化表单
|
|
|
form = PostForm(instance=post)
|
|
|
|
|
|
context = {
|
|
|
'form': form,
|
|
|
'post': post,
|
|
|
'category_info': {
|
|
|
'name': '编辑文章',
|
|
|
'label': '修改创作',
|
|
|
'desc': '修改您的非遗文章内容'
|
|
|
},
|
|
|
'current_path': request.path,
|
|
|
}
|
|
|
return render(request, 'blog/edit_post.html', context) |
