Tasks Module Stage 3: Checklists

- Add migration for task_checklists table
- Create TaskChecklistModel with CRUD methods
- Add TaskService methods for checklist operations
- Add API routes for checklist endpoints
- Add controller methods for checklist CRUD
- Add UI section in task view with AJAX handlers

app/Modules/Tasks/Views/tasks/show.twig

@@ -140,6 +140,51 @@
             </div>
         </div>
 
+        {# Чек-лист #}
+        <div class="card border-0 shadow-sm mb-4">
+            <div class="card-header bg-light d-flex justify-content-between align-items-center">
+                <h5 class="mb-0">
+                    <i class="fa-solid fa-check-square me-2"></i>Чек-лист
+                    {% if task.checklists_count %}
+                        <span class="badge bg-secondary ms-2">{{ task.checklists_completed }}/{{ task.checklists_count }}</span>
+                    {% endif %}
+                </h5>
+            </div>
+            <div class="card-body">
+                {% if task.checklists %}
+                    <ul class="list-group list-group-flush mb-3" id="checklists-list">
+                        {% for checklist in task.checklists %}
+                            <li class="list-group-item d-flex align-items-center gap-2" data-checklist-id="{{ checklist.id }}">
+                                <input type="checkbox" class="form-check-input checklist-checkbox"
+                                       {% if checklist.is_completed %}checked{% endif %}
+                                       onchange="toggleChecklistItem({{ task.id }}, {{ checklist.id }})">
+                                <span class="{% if checklist.is_completed %}text-muted text-decoration-line-through{% endif %} flex-grow-1">
+                                    {{ checklist.title }}
+                                </span>
+                                <button type="button" class="btn btn-outline-danger btn-sm"
+                                        onclick="deleteChecklistItem({{ task.id }}, {{ checklist.id }})"
+                                        title="Удалить">
+                                    <i class="fa-solid fa-times"></i>
+                                </button>
+                            </li>
+                        {% endfor %}
+                    </ul>
+                {% else %}
+                    <p class="text-muted text-center mb-3">Чек-лист пуст</p>
+                {% endif %}
+
+                <form action="{{ base_url('/tasks/' ~ task.id ~ '/checklists') }}" method="post"
+                      class="d-flex gap-2 checklist-form" onsubmit="addChecklistItem(event, {{ task.id }})">
+                    {{ csrf_field()|raw }}
+                    <input type="text" name="title" class="form-control"
+                           placeholder="Добавить пункт чек-листа..." required>
+                    <button type="submit" class="btn btn-primary">
+                        <i class="fa-solid fa-plus"></i>
+                    </button>
+                </form>
+            </div>
+        </div>
+
         {# Комментарии #}
         <div class="card border-0 shadow-sm">
             <div class="card-header bg-light">
@@ -314,5 +359,83 @@ function deleteSubtask(taskId, subtaskId) {
         console.error('Error:', error);
     });
 }
+
+// ========== Чек-листы ==========
+
+function addChecklistItem(event, taskId) {
+    event.preventDefault();
+    const form = event.target;
+    const input = form.querySelector('input[name="title"]');
+    const title = input.value.trim();
+
+    if (!title) return;
+
+    fetch(`/tasks/${taskId}/checklists`, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/x-www-form-urlencoded',
+            'X-Requested-With': 'XMLHttpRequest'
+        },
+        body: 'title=' + encodeURIComponent(title)
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (data.success) {
+            location.reload();
+        } else {
+            alert(data.error || 'Ошибка при добавлении пункта чек-листа');
+        }
+    })
+    .catch(error => {
+        console.error('Error:', error);
+        alert('Ошибка при добавлении пункта чек-листа');
+    });
+}
+
+function toggleChecklistItem(taskId, checklistId) {
+    fetch(`/tasks/${taskId}/checklists/${checklistId}/toggle`, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/x-www-form-urlencoded',
+            'X-Requested-With': 'XMLHttpRequest'
+        },
+        body: ''
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (!data.success) {
+            alert(data.error || 'Ошибка');
+        } else {
+            location.reload();
+        }
+    })
+    .catch(error => {
+        console.error('Error:', error);
+    });
+}
+
+function deleteChecklistItem(taskId, checklistId) {
+    if (!confirm('Удалить пункт чек-листа?')) return;
+
+    fetch(`/tasks/${taskId}/checklists/${checklistId}/delete`, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/x-www-form-urlencoded',
+            'X-Requested-With': 'XMLHttpRequest'
+        },
+        body: ''
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (!data.success) {
+            alert(data.error || 'Ошибка');
+        } else {
+            location.reload();
+        }
+    })
+    .catch(error => {
+        console.error('Error:', error);
+    });
+}
 </script>
 {% endblock %}