feat: Реализован drag-and-drop на странице канбан доски

- часть c задачами реализована с помощью websocket, а категории временно нет

src/KBBoard/BoardLogic.js

@@ -119,7 +119,9 @@ export const useBoardLogic = (id, setError, setInfo, setCategories, setLoading,
             }
             await updateTaskAPI(editedTaskId, taskTitle, taskDescription, taskPosition, taskDeadline, taskCategory);
             await loadBoardData();
-            modalEditTask({}, null)();
+            if(modalEditTask !== null) {
+                modalEditTask({}, null)();
+            }
         } catch (err) {
             setError(err.response?.data?.message || 'Ошибка редактирования задачи');
         } finally {

src/KBBoard/KBBoard.js

@@ -13,6 +13,8 @@ const KBBoard = () => {
     const [categories, setCategories] = useState([]);
     const [isOwner, setIsOwner] = useState(null);
     const [items, setItems] = useState([]);
+    const [draggedItem, setDraggedItem] = useState(null);
+    const [draggedType, setDraggedType] = useState(null);
 
     const [memList, setMemList] = useState(false);
     const [crTask, setCrTask] = useState(false);
@@ -36,12 +38,11 @@ const KBBoard = () => {
     const [taskDescription, setTaskDescription] = useState('');
     const [taskCategory, setTaskCategory] = useState(null);
     const [taskCategori, setTaskCategori] = useState(null);
-    const [taskDeadline, setTaskDeadline] = useState('');
+    const [taskDeadline, setTaskDeadline] = useState(null);
     const [assignedMembers, setAssignedMembers] = useState(null);
     const [editedTask, setEditedTask] = useState({});
     const [editedCateg, setEditedCateg] = useState({});
     const [taskPosition, setTaskPosition] = useState(null);
-    const [categoryPosition, setCategoryPosition] = useState(null);
     const [assignedMember, setAssignedMember] = useState(0);
     const [addedUsername, setAddedUsername] = useState('');
     const [deletedMember, setDeletedMember] = useState('');
@@ -78,6 +79,24 @@ const KBBoard = () => {
         );
     };
 
+
+    const [socket, setSocket] = useState(null);
+    useEffect(() => {
+        const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
+        const ws = new WebSocket(`${protocol}//https://back.fool-stack.ru/api/boards/ws/`+id);
+        ws.onopen = () => {
+            console.log('WebSocket соединение установлено');
+            setSocket(ws);
+        };
+        ws.onmessage = (event) => {
+            const message = JSON.parse(event.data);
+            loadBoardData();
+        };
+        ws.onclose = () => console.log('WebSocket соединение закрыто');
+        ws.onerror = (error) => console.error('Ошибка WebSocket:', error);
+        return () => ws.close();
+    }, [id, loadBoardData]);
+
     useEffect(() => {
         if (id) loadBoardData();
     }, [id, loadBoardData]);
@@ -94,7 +113,7 @@ const KBBoard = () => {
         setTaskCategori(categori);
         setTaskTitle('');
         setTaskDescription('');
-        setTaskDeadline('')
+        setTaskDeadline(null)
     }
     const modalCrCateg = () => {
         setCrCateg(!crCateg);
@@ -119,7 +138,6 @@ const KBBoard = () => {
         setEdCateg(!edCateg);
         setEditedCateg(categ);
         setCategoryTitle(categ.title);
-        setCategoryPosition(categ.position);
     }
     const modalDelTask = () => {
         setDelTask(!delTask);
@@ -194,6 +212,137 @@ const KBBoard = () => {
         await deleteMember(id, deletedMember, modalDeleteMember);
     };
 
+    const handleCategoryDragStart = (e, category) => {
+        e.stopPropagation();
+        setDraggedType('c');
+        setDraggedItem(category);
+        e.dataTransfer.setData('text/plain', JSON.stringify({
+            id: category.id,
+            type: 'c',
+            position: category.position
+        }));
+        e.currentTarget.style.opacity = '0.5';
+    };
+
+    const handleTaskDragStart = (e, task, categoryId) => {
+        e.stopPropagation();
+        setDraggedType('t');
+        setDraggedItem({ ...task, categoryId });
+        e.dataTransfer.setData('text/plain', JSON.stringify({
+            id: task.id,
+            type: 't',
+            position: task.position,
+            categoryId: categoryId
+        }));
+        e.currentTarget.style.opacity = '0.5';
+        e.currentTarget.style.transform = 'scale(0.95)';
+    };
+
+
+
+    const handleDragEnd = (e) => {
+        setDraggedType(null);
+        setDraggedItem(null);
+        e.currentTarget.style.opacity = '1';
+        e.currentTarget.style.transform = 'scale(1)';
+    };
+    const handleDragOver = (e) => {
+        e.preventDefault();
+        const data = e.dataTransfer.getData('text/plain');
+        if (!data) return;
+        try {
+            const draggedData = JSON.parse(data);
+            if (draggedData.type === 't') {
+                e.currentTarget.style.boxShadow = '0 0 10px rgba(0, 0, 255, 0.3)';
+                e.currentTarget.style.border = '2px dashed #007bff';
+            } else if (draggedData.type === 'c') {
+                e.currentTarget.style.backgroundColor = '#f0f0f0';
+            }
+        } catch (err) {
+            console.error('Ошибка парсинга данных drag:', err);
+        }
+    };
+    const handleDragLeave = (e) => {
+        e.currentTarget.style.backgroundColor = '';
+        e.currentTarget.style.boxShadow = '';
+        e.currentTarget.style.border = '';
+    };
+
+    const handleCategoryReorder = async (e, targetPosition) => {
+        e.preventDefault();
+        e.currentTarget.style.boxShadow = '';
+        e.currentTarget.style.border = '';
+        e.currentTarget.style.backgroundColor = '';
+        e.currentTarget.style.transform = '';
+
+        const data = e.dataTransfer.getData('text/plain');
+        if (!data) return;
+
+        try {
+            const draggedData = JSON.parse(data);
+            if (draggedData.type !== 'c') return;
+
+            if (draggedType === 'c' && draggedItem.position !== targetPosition) {
+                setCategories((prevItems) => {
+                    const draggedIndex = prevItems.findIndex(item => item.position === draggedItem.position);
+                    const targetIndex = prevItems.findIndex(item => item.position === targetPosition);
+                    const newItems = [...prevItems];
+                    newItems.splice(draggedIndex, 1);
+                    newItems.splice(targetIndex, 0, draggedItem);
+                    const updatedItems = newItems.map((item, index) => ({
+                        ...item,
+                        position: index
+                    }));
+                    return updatedItems;
+                });
+                await editCategoryPosition(draggedItem.id, targetPosition); 
+            }
+        } catch (err) {
+            console.error('Ошибка при переупорядочивании категорий:', err);
+            setError('Не удалось переупорядочить категории');
+        }
+    };
+
+
+
+    const handleTaskReorder = async (e, targetPosition, targetCategoryPos) => {
+        e.stopPropagation();
+        e.preventDefault();
+        e.currentTarget.style.boxShadow = '';
+        e.currentTarget.style.border = '';
+        e.currentTarget.style.backgroundColor = '';
+        e.currentTarget.style.transform = '';
+
+        const data = e.dataTransfer.getData('text/plain');
+        if (!data) return;
+
+        if (!draggedItem || draggedType !== 't') return;
+        try {
+            const draggedData = JSON.parse(data);
+
+            // Обрабатываем только задачи
+            if (draggedData.type !== 't' || !draggedItem) return;
+
+            // Находим целевую категорию по позиции
+            const targetCat = categories.find(cat => cat.position === targetCategoryPos);
+            if (!targetCat) return;
+
+            // Проверяем, что задача не перемещается в ту же позицию той же категории
+            if ((draggedItem.position === targetPosition || 
+                (draggedItem.position === targetCat.length-1 && targetPosition === targetCat.length)) &&
+                draggedItem.category_id === targetCat.id) return;
+            
+
+            await editTask( draggedItem.id, draggedItem.title, 
+                            draggedItem.description, targetPosition, 
+                            draggedItem.deadline, targetCat.id, null );
+
+        } catch (err) {
+            console.error('Ошибка при переупорядочивании задач:', err);
+            setError('Не удалось переупорядочить задачи');
+        }
+    };         
+
 
     return (
         <div className="app-container">
@@ -260,12 +409,16 @@ const KBBoard = () => {
                 </div>
                 <div className="board-panel" >
                     {categories.map((category) => (
-                        <div className="categori" key={category.position}>
+                        <div className="categori" key={category.position} 
+                            draggable="true" 
+                            
+                            onDragStart={(e) => handleCategoryDragStart(e, category)}
+                            onDragLeave={handleDragLeave}
+                            onDragEnd={handleDragEnd}
+                            onDragOver={handleDragOver}
+                            onDrop={(e) => handleCategoryReorder(e, category.position)}
+                        >
                             <button onClick={modalEditCateg(category)}><h3>{category.title}</h3></button>
-                            <div className="categ-h">
-                                <p>Позиция: {category.position}</p>
-                                <p>Задач: {category.tasks.length}</p>
-                            </div>
                             <div className='task create'>
                                 <button onClick={modalCrTask(category.id)}>
                                     Новая задача
@@ -274,9 +427,17 @@ const KBBoard = () => {
                             <div className='task-list'>
                                 {category.tasks.length > 0 ? (
                                     category.tasks.map((task) => (
-                                        <button className='task' onClick={modalEditTask(task, category.id)} key={task.id}>
+                                        <button className='task' onClick={modalEditTask(task, category.id)} key={task.position}
+                                            draggable="true"
+                                            onDragStart={(e) => handleTaskDragStart(e, task, category.position)}
+                                            onDragLeave={handleDragLeave} 
+                                            onDragEnd={handleDragEnd} 
+                                            onDragOver={handleDragOver} 
+                                            onDrop={(e) => handleTaskReorder(e, task.position, category.position)}
+                                            
+                                        >
                                             <div>{task.title}</div>
-                                            <div>{task.description}</div>
+                                            <div>{task.description} </div>
                                             {task.deadline && (
                                                 <div>Дедлайн: {new Date(task.deadline).toLocaleString('ru-RU', {
                                                     day: '2-digit',
@@ -299,6 +460,12 @@ const KBBoard = () => {
                                 ) : (
                                     <p>Нет задач</p>
                                 )}
+                                <div className='task move'
+                                    onDrop={(e) => handleTaskReorder(e, category.tasks.length, category.position)}
+                                    onDragLeave={handleDragLeave}
+                                    onDragEnd={handleDragEnd}
+                                    onDragOver={handleDragOver}
+                                ></div>
                             </div>
                         </div>
                     ))}

src/css/Board.css

@@ -260,6 +260,14 @@
     margin-right: 0px;
 }
 
+.task.move {
+    min-height: 24px;
+    margin-top: 0;
+    opacity: 0;
+    max-height: 100%;
+    height: 100%;
+}
+
 label {
     text-align: left;
 }

src/setupProxy.js

@@ -5,6 +5,7 @@ module.exports = function(app) {
         '/api',
         createProxyMiddleware({
             target: 'https://back.fool-stack.ru',
+            ws: true, 
             changeOrigin: true,
             pathRewrite: { '^/api': '/api' },
         })