labels added

Author: olyapka84

task_manager/labels/apps.py

@@ -3,4 +3,4 @@
 
 class LabelsConfig(AppConfig):
     default_auto_field = 'django.db.models.BigAutoField'
-    name = 'labels'
+    name = 'task_manager.labels'

task_manager/labels/forms.py

@@ -0,0 +1,7 @@
+from django import forms
+from .models import Label
+
+class LabelForm(forms.ModelForm):
+    class Meta:
+        model = Label
+        fields = ("name",)

task_manager/labels/models.py

@@ -1,3 +1,15 @@
 from django.db import models
+from django.utils.translation import gettext_lazy as _
 
-# Create your models here.
+
+class Label(models.Model):
+    name = models.CharField(_("Имя"), max_length=100, unique=True)
+    created_at = models.DateTimeField(_("Дата создания"), auto_now_add=True)
+
+    class Meta:
+        ordering = ("id",)
+        verbose_name = _("Label")
+        verbose_name_plural = _("Labels")
+
+    def __str__(self):
+        return self.name

task_manager/labels/urls.py

@@ -0,0 +1,13 @@
+from django.urls import path
+from .views import (
+    LabelListView, LabelCreateView, LabelUpdateView, LabelDeleteView,
+)
+
+app_name = "labels"
+
+urlpatterns = [
+    path("", LabelListView.as_view(), name="index"),
+    path("create/", LabelCreateView.as_view(), name="create"),
+    path("<int:pk>/update/", LabelUpdateView.as_view(), name="update"),
+    path("<int:pk>/delete/", LabelDeleteView.as_view(), name="delete"),
+]

task_manager/labels/views.py

@@ -1,3 +1,57 @@
-from django.shortcuts import render
+from django.contrib import messages
+from django.contrib.auth.mixins import LoginRequiredMixin
+from django.urls import reverse_lazy
+from django.utils.translation import gettext_lazy as _
+from django.views.generic import ListView, CreateView, UpdateView, DeleteView
 
-# Create your views here.
+from .forms import LabelForm
+from .models import Label
+
+
+class LabelListView(LoginRequiredMixin, ListView):
+    model = Label
+    template_name = "labels/index.html"
+    context_object_name = "labels"
+
+
+class LabelCreateView(LoginRequiredMixin, CreateView):
+    model = Label
+    form_class = LabelForm
+    template_name = "labels/form.html"
+    success_url = reverse_lazy("labels:index")
+
+    def form_valid(self, form):
+        messages.success(self.request, _("Метка успешно создана"))
+        return super().form_valid(form)
+
+
+class LabelUpdateView(LoginRequiredMixin, UpdateView):
+    model = Label
+    form_class = LabelForm
+    template_name = "labels/form.html"
+    success_url = reverse_lazy("labels:index")
+
+    def form_valid(self, form):
+        messages.success(self.request, _("Метка успешно обновлена"))
+        return super().form_valid(form)
+
+
+class LabelDeleteView(LoginRequiredMixin, DeleteView):
+    model = Label
+    template_name = "labels/confirm_delete.html"
+    success_url = reverse_lazy("labels:index")
+
+    def dispatch(self, request, *args, **kwargs):
+        label = self.get_object()
+        if label.labeled_tasks.exists():
+            messages.error(request, _("Нельзя удалить метку, так как она связана с задачей"))
+            return self.get_redirect_url()
+        return super().dispatch(request, *args, **kwargs)
+
+    def get_redirect_url(self):
+        from django.shortcuts import redirect
+        return redirect("labels:index")
+
+    def delete(self, request, *args, **kwargs):
+        messages.success(request, _("Метка успешно удалена"))
+        return super().delete(request, *args, **kwargs)

task_manager/tasks/models.py

@@ -1,5 +1,7 @@
 from django.db import models
 from django.contrib.auth.models import User
+
+from task_manager.labels.models import Label
 from task_manager.statuses.models import Status
 
 
@@ -10,6 +12,7 @@ class Task(models.Model):
     author = models.ForeignKey(User, on_delete=models.PROTECT, related_name="created_tasks")
     executor = models.ForeignKey(User, on_delete=models.PROTECT, null=True, blank=True, related_name="executed_tasks")
     created_at = models.DateTimeField(auto_now_add=True)
+    labels = models.ManyToManyField(Label, related_name="labeled_tasks", blank=True)
 
     class Meta:
         ordering = ["id"]

task_manager/templates/base.html

@@ -26,12 +26,15 @@
             {% endif %}
             <li class="nav-item"><a class="nav-link" href="{% url 'users:list' %}">Пользователи</a></li>
             {% if user.is_authenticated %}
-              <li class="nav-item">
-              <a class="nav-link" href="{% url 'statuses_index' %}">Статусы</a>
+            <li class="nav-item">
+            <a class="nav-link" href="{% url 'statuses_index' %}">Статусы</a>
+            </li>
+            <li class="nav-item">
+            <a class="nav-link" href="{% url 'tasks_index' %}">Задачи</a>
+            </li>
+            <li class="nav-item">
+            <a class="nav-link" href="{% url 'labels:index' %}">Метки</a>
             </li>
-              <li class="nav-item">
-              <a class="nav-link" href="{% url 'tasks_index' %}">Задачи</a>
-              </li>
             {% endif %}
           </ul>
         </div>

task_manager/templates/labels/confirm_delete.html

@@ -0,0 +1,13 @@
+{% extends "base.html" %}
+
+{% block content %}
+<h1 class="mb-3">Удалить метку</h1>
+
+<p>Вы уверены, что хотите удалить метку <strong>{{ object.name }}</strong>?</p>
+
+<form method="post">
+  {% csrf_token %}
+  <button type="submit" class="btn btn-danger">Да, удалить</button>
+  <a href="{% url 'labels:index' %}" class="btn btn-secondary">Отмена</a>
+</form>
+{% endblock %}

task_manager/templates/labels/form.html

@@ -0,0 +1,18 @@
+{% extends "base.html" %}
+
+{% block content %}
+<h1 class="mb-3">
+  {% if object %}
+    Изменить метку
+  {% else %}
+    Создать метку
+  {% endif %}
+</h1>
+
+<form method="post">
+  {% csrf_token %}
+  {{ form.as_p }}
+  <button type="submit" class="btn btn-primary">Сохранить</button>
+  <a href="{% url 'labels:index' %}" class="btn btn-secondary">Отмена</a>
+</form>
+{% endblock %}

task_manager/templates/labels/index.html

@@ -0,0 +1,32 @@
+{% extends "base.html" %}
+{% block content %}
+<h1>Метки</h1>
+
+<p><a class="btn btn-primary" href="{% url 'labels:create' %}">Создать метку</a></p>
+
+<table class="table table-striped align-middle">
+  <thead>
+    <tr>
+      <th>ID</th>
+      <th>Имя</th>
+      <th>Дата создания</th>
+      <th></th>
+    </tr>
+  </thead>
+  <tbody>
+  {% for label in labels %}
+    <tr>
+      <td>{{ label.id }}</td>
+      <td>{{ label.name }}</td>
+      <td>{{ label.created_at|date:"d.m.Y H:i" }}</td>
+      <td class="text-end">
+        <a class="btn btn-sm btn-outline-secondary" href="{% url 'labels:update' label.pk %}">Изменить</a>
+        <a class="btn btn-sm btn-outline-danger" href="{% url 'labels:delete' label.pk %}">Удалить</a>
+      </td>
+    </tr>
+  {% empty %}
+    <tr><td colspan="4">Пока нет меток.</td></tr>
+  {% endfor %}
+  </tbody>
+</table>
+{% endblock %}