feat(projects): 新增Django综合案例示例代码及素材

projects/web-django/todolist/popup/views.py

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+from django.http.response import HttpResponseNotAllowed
+from django.shortcuts import redirect, render
+from django.utils.html import format_html
+
+from .models import Group, Task
+
+
+def index(request):
+
+    welcome = "欢迎来到 Todolist 练习项目 Popup 应用主页！"
+
+    index_content = format_html(
+        """
+    这是<a href="https://sspai.com/series/271" style="text-decoration: none;">《100 小时后请叫我程序员》</a>课程用于进行 Django 实践练习的网站，主要包括了以下几部分：
+    <ul>
+        <li><b>少数派 Logo</b>：你可以点击跳转至少数派首页；</li>
+        <li><b>Home</b>：即当前页面；</li>
+        <li><b>Task</b>：用于实践的待办清单页面，你可以在里面创建、更新以及删除任务；</li>
+        <li><b>About</b>：对个人或网站信息进行简要说明的介绍页。</li>
+    </ul>
+    """
+    )
+
+    ctx = dict(
+        title="home",
+        welcome=welcome,
+        index_content=index_content,
+    )
+
+    return render(request, "index.html", context=ctx)
+
+
+def about(request):
+    title = "About"
+    header = f"{title} Me"
+    about_content = """
+    这是一段简单的，About Me 页面。
+    它可以用来展示关于个人的一些信息，或者是简单的介绍。
+
+    例如：
+    """.strip().splitlines()
+    items = [
+        ("昵称", "100gle"),
+        ("职业", "少数派作者"),
+        ("编程语言", "Python、Golang、JavaScript 等等"),
+    ]
+
+    ctx = dict(
+        title=title,
+        header=header,
+        about_content=about_content,
+        items=items,
+    )
+    return render(request, "about.html", context=ctx)
+
+
+def query_all_tasks(request):
+    tasks = Task.objects.all()
+    fields = ["序号", "任务名称", "优先级", "任务描述", "是否完成", "分组"]
+
+    if Group.objects.count() == 0:
+        groups = [
+            Group(name="收集箱"),
+            Group(name="生活"),
+            Group(name="工作"),
+        ]
+
+        Group.objects.bulk_create(groups)
+
+    groups = Group.objects.all()
+
+    ctx = dict(
+        title="Task",
+        tasks=tasks,
+        fields=fields,
+        groups=groups,
+    )
+    return render(request, "tasks.html", context=ctx)
+
+
+def create_task(request):
+    """create a task"""
+    if request.method == "POST":
+        name = request.POST.get("taskName")
+        priority = request.POST.get("taskPriority")
+        description = request.POST.get("taskDescription")
+        group_id = request.POST.get("taskGroup")
+        group = Group.objects.get(id=group_id)
+
+        Task.objects.create(
+            name=name, priority=priority, description=description, group=group
+        )
+        return redirect("/tasks/")
+    else:
+        return HttpResponseNotAllowed(["POST"])
+
+
+def update_task(request, task_id):
+    """update a task"""
+    task = Task.objects.get(id=task_id)
+    task.is_done = False if task.is_done else True
+
+    task.save()
+    return redirect("/tasks/")
+
+
+def delete_task(request, task_id):
+    """delete a task"""
+    task = Task.objects.get(id=task_id)
+
+    task.delete()
+    return redirect("/tasks/")