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| <html lang="ru"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Simple Chat</title> | |
| <style> | |
| * { | |
| margin: 0; | |
| padding: 0; | |
| box-sizing: border-box; | |
| } | |
| body { | |
| font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; | |
| background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); | |
| height: 100vh; | |
| display: flex; | |
| justify-content: center; | |
| align-items: center; | |
| padding: 20px; | |
| } | |
| .chat-container { | |
| width: 100%; | |
| max-width: 400px; | |
| height: 600px; | |
| background: white; | |
| border-radius: 15px; | |
| box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3); | |
| display: flex; | |
| flex-direction: column; | |
| overflow: hidden; | |
| } | |
| .chat-header { | |
| background: #4a5568; | |
| color: white; | |
| padding: 15px 20px; | |
| text-align: center; | |
| } | |
| .messages-container { | |
| flex: 1; | |
| padding: 20px; | |
| overflow-y: auto; | |
| background: #f7fafc; | |
| } | |
| .message { | |
| margin-bottom: 15px; | |
| padding: 10px 15px; | |
| border-radius: 15px; | |
| max-width: 80%; | |
| word-wrap: break-word; | |
| } | |
| .message.own { | |
| background: #4299e1; | |
| color: white; | |
| margin-left: auto; | |
| border-bottom-right-radius: 5px; | |
| } | |
| .message.other { | |
| background: #e2e8f0; | |
| color: #2d3748; | |
| border-bottom-left-radius: 5px; | |
| } | |
| .message-info { | |
| font-size: 0.8em; | |
| opacity: 0.7; | |
| margin-bottom: 3px; | |
| } | |
| .input-container { | |
| padding: 15px 20px; | |
| background: white; | |
| border-top: 1px solid #e2e8f0; | |
| display: flex; | |
| gap: 10px; | |
| } | |
| .message-input { | |
| flex: 1; | |
| padding: 12px 15px; | |
| border: 2px solid #e2e8f0; | |
| border-radius: 25px; | |
| outline: none; | |
| font-size: 14px; | |
| transition: border-color 0.3s; | |
| } | |
| .message-input:focus { | |
| border-color: #4299e1; | |
| } | |
| .send-button { | |
| padding: 12px 25px; | |
| background: #4299e1; | |
| color: white; | |
| border: none; | |
| border-radius: 25px; | |
| cursor: pointer; | |
| font-weight: bold; | |
| transition: background 0.3s; | |
| } | |
| .send-button:hover { | |
| background: #3182ce; | |
| } | |
| .send-button:disabled { | |
| background: #a0aec0; | |
| cursor: not-allowed; | |
| } | |
| .typing-indicator { | |
| padding: 10px 15px; | |
| font-style: italic; | |
| color: #718096; | |
| font-size: 0.9em; | |
| } | |
| .messages-container::-webkit-scrollbar { | |
| width: 6px; | |
| } | |
| .messages-container::-webkit-scrollbar-track { | |
| background: #f1f1f1; | |
| } | |
| .messages-container::-webkit-scrollbar-thumb { | |
| background: #cbd5e0; | |
| border-radius: 3px; | |
| } | |
| .messages-container::-webkit-scrollbar-thumb:hover { | |
| background: #a0aec0; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="chat-container"> | |
| <div class="chat-header"> | |
| <h2>💬 Simple Chat</h2> | |
| <small>Ваш ID: <span id="user-id">{{ user_id }}</span></small> | |
| </div> | |
| <div class="messages-container" id="messages-container"> | |
| <div class="typing-indicator" id="welcome-message"> | |
| Добро пожаловать в чат! Начните общение... | |
| </div> | |
| </div> | |
| <div class="input-container"> | |
| <input type="text" | |
| class="message-input" | |
| id="message-input" | |
| placeholder="Введите сообщение..." | |
| maxlength="500"> | |
| <button class="send-button" id="send-button">Отправить</button> | |
| </div> | |
| </div> | |
| <script> | |
| class Chat { | |
| constructor() { | |
| this.userId = document.getElementById('user-id').textContent; | |
| this.messagesContainer = document.getElementById('messages-container'); | |
| this.messageInput = document.getElementById('message-input'); | |
| this.sendButton = document.getElementById('send-button'); | |
| this.lastMessageId = 0; | |
| this.init(); | |
| } | |
| init() { | |
| this.loadMessages(); | |
| this.sendButton.addEventListener('click', () => this.sendMessage()); | |
| this.messageInput.addEventListener('keypress', (e) => { | |
| if (e.key === 'Enter') { | |
| this.sendMessage(); | |
| } | |
| }); | |
| setInterval(() => this.loadNewMessages(), 2000); | |
| this.messageInput.focus(); | |
| } | |
| async sendMessage() { | |
| const message = this.messageInput.value.trim(); | |
| if (!message) return; | |
| this.sendButton.disabled = true; | |
| this.sendButton.textContent = 'Отправка...'; | |
| try { | |
| const response = await fetch('/send_message', { | |
| method: 'POST', | |
| headers: { | |
| 'Content-Type': 'application/json', | |
| }, | |
| body: JSON.stringify({ | |
| user_id: this.userId, | |
| message: message | |
| }) | |
| }); | |
| const result = await response.json(); | |
| if (result.status === 'success') { | |
| this.messageInput.value = ''; | |
| this.loadNewMessages(); | |
| } else { | |
| alert('Ошибка отправки: ' + result.message); | |
| } | |
| } catch (error) { | |
| console.error('Ошибка:', error); | |
| alert('Ошибка соединения с сервером'); | |
| } finally { | |
| this.sendButton.disabled = false; | |
| this.sendButton.textContent = 'Отправить'; | |
| } | |
| } | |
| async loadMessages() { | |
| try { | |
| const response = await fetch('/get_messages'); | |
| const data = await response.json(); | |
| this.displayMessages(data.messages); | |
| this.scrollToBottom(); | |
| } catch (error) { | |
| console.error('Ошибка загрузки сообщений:', error); | |
| } | |
| } | |
| async loadNewMessages() { | |
| try { | |
| const response = await fetch(`/get_new_messages?last_id=${this.lastMessageId}`); | |
| const data = await response.json(); | |
| if (data.messages.length > 0) { | |
| this.displayMessages(data.messages, false); | |
| this.scrollToBottom(); | |
| } | |
| } catch (error) { | |
| console.error('Ошибка загрузки новых сообщений:', error); | |
| } | |
| } | |
| displayMessages(messages, clear = true) { | |
| if (clear) { | |
| const welcomeMsg = document.getElementById('welcome-message'); | |
| if (welcomeMsg) welcomeMsg.remove(); | |
| this.messagesContainer.innerHTML = ''; | |
| } | |
| messages.forEach(message => { | |
| if (message.id > this.lastMessageId) { | |
| this.lastMessageId = message.id; | |
| } | |
| const messageElement = document.createElement('div'); | |
| messageElement.className = `message ${message.user_id === this.userId ? 'own' : 'other'}`; | |
| messageElement.innerHTML = ` | |
| <div class="message-info"> | |
| ${message.username} • ${message.timestamp} | |
| </div> | |
| <div class="message-text">${this.escapeHtml(message.text)}</div> | |
| `; | |
| this.messagesContainer.appendChild(messageElement); | |
| }); | |
| } | |
| scrollToBottom() { | |
| this.messagesContainer.scrollTop = this.messagesContainer.scrollHeight; | |
| } | |
| escapeHtml(text) { | |
| const div = document.createElement('div'); | |
| div.textContent = text; | |
| return div.innerHTML; | |
| } | |
| } | |
| document.addEventListener('DOMContentLoaded', () => { | |
| new Chat(); | |
| }); | |
| </script> | |
| </body> | |
| </html> |