Initial commit — menu.jots.org Flask/SQLite meal planner

Full-featured weekly menu planner with:
- Recipe library with ratings, comments, cuisine/nationality, added-by attribution
- AI recipe assistant (Claude) with URL fetching and file upload
- Weekly meal plan grid with shopping list generation
- Sort by name, prep/cook time, or rating
- Print and copy-link support
- Deployed on LXC container (192.168.10.51) behind Apache reverse proxy

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 241 insertions, 0 deletions

diff --git a/app/templates/ai_chat.html b/app/templates/ai_chat.html
new file mode 100644
index 0000000..82d2604
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+++ b/app/templates/ai_chat.html
@@ -0,0 +1,241 @@
+{% extends "base.html" %}
+{% block title %}Recipe Assistant — Menu Planner{% endblock %}
+
+{% block content %}
+<div class="ai-page d-flex flex-column" style="height: calc(100vh - 130px)">
+
+  <!-- Header -->
+  <div class="d-flex align-items-center justify-content-between mb-3 flex-shrink-0">
+    <div>
+      <h1 class="h3 fw-bold mb-0">Recipe Assistant</h1>
+      <p class="text-muted small mb-0">Paste any recipe — I'll parse it, adapt it for low-carb, and add it to the library.</p>
+    </div>
+    <button id="newChatBtn" class="btn btn-outline-secondary btn-sm">
+      <i class="bi bi-arrow-counterclockwise me-1"></i>New Chat
+    </button>
+  </div>
+
+  {% if not has_api_key %}
+  <div class="alert alert-warning">
+    <i class="bi bi-exclamation-triangle me-2"></i>
+    <strong>API key not configured.</strong> Set <code>ANTHROPIC_API_KEY</code> in the Docker environment to enable the recipe assistant.
+  </div>
+  {% else %}
+
+  <!-- Chat messages -->
+  <div id="chatMessages" class="chat-window flex-grow-1 overflow-auto mb-3 p-3">
+    <div class="message message-assistant">
+      <div class="message-bubble">
+        <p class="mb-1">👋 Hi! I can add recipes to the planner for you. Just paste a recipe — from a website, cookbook, or your own notes — and I'll handle the rest.</p>
+        <p class="mb-0 text-muted small">I'll parse ingredients, estimate nutrition, categorize it, and adapt for low-carb if needed.</p>
+      </div>
+    </div>
+  </div>
+
+  <!-- Input -->
+  <div class="chat-input-area flex-shrink-0">
+    <div id="attachBadge" class="d-none mb-1">
+      <span class="badge bg-secondary"><i class="bi bi-paperclip me-1"></i><span id="attachName"></span>
+        <button type="button" class="btn-close btn-close-white ms-1" id="clearAttach" style="font-size:0.6rem"></button>
+      </span>
+    </div>
+    <div class="input-group">
+      <label class="btn btn-outline-secondary" title="Attach file" style="cursor:pointer">
+        <i class="bi bi-paperclip"></i>
+        <input type="file" id="fileInput" class="d-none"
+               accept=".txt,.html,.htm,.md,.json,.csv,.xml,image/*">
+      </label>
+      <textarea id="chatInput" class="form-control" rows="3"
+        placeholder="Paste a recipe here, or ask me something…"></textarea>
+      <button id="sendBtn" class="btn btn-primary px-4">
+        <span id="sendLabel"><i class="bi bi-send"></i></span>
+        <span id="sendSpinner" class="spinner-border spinner-border-sm d-none" role="status"></span>
+      </button>
+    </div>
+    <div class="d-flex justify-content-between mt-1">
+      <small class="text-muted">Shift+Enter for new line · Enter to send</small>
+      <small class="text-muted" id="charCount"></small>
+    </div>
+  </div>
+
+  {% endif %}
+</div>
+{% endblock %}
+
+{% block scripts %}
+{% if has_api_key %}
+<script>
+let history = [];
+let busy = false;
+let attachment = null; // {name, type, text} or {name, type, b64, mime}
+
+const chatMessages = document.getElementById('chatMessages');
+const chatInput   = document.getElementById('chatInput');
+const sendBtn     = document.getElementById('sendBtn');
+const sendLabel   = document.getElementById('sendLabel');
+const sendSpinner = document.getElementById('sendSpinner');
+const charCount   = document.getElementById('charCount');
+
+// Auto-resize textarea
+chatInput.addEventListener('input', () => {
+  chatInput.style.height = 'auto';
+  chatInput.style.height = Math.min(chatInput.scrollHeight, 200) + 'px';
+  charCount.textContent = chatInput.value.length > 0 ? chatInput.value.length + ' chars' : '';
+});
+
+// Enter to send (Shift+Enter = newline)
+chatInput.addEventListener('keydown', e => {
+  if (e.key === 'Enter' && !e.shiftKey) {
+    e.preventDefault();
+    send();
+  }
+});
+
+sendBtn.addEventListener('click', send);
+document.getElementById('newChatBtn').addEventListener('click', () => {
+  history = [];
+  chatMessages.innerHTML = `
+    <div class="message message-assistant">
+      <div class="message-bubble">
+        <p class="mb-0">New chat started. Paste a recipe or ask me anything.</p>
+      </div>
+    </div>`;
+  chatInput.value = '';
+  chatInput.style.height = 'auto';
+});
+
+// File attachment
+const fileInput = document.getElementById('fileInput');
+const attachBadge = document.getElementById('attachBadge');
+const attachName = document.getElementById('attachName');
+fileInput.addEventListener('change', function() {
+  const file = this.files[0];
+  if (!file) return;
+  const isImage = file.type.startsWith('image/');
+  const reader = new FileReader();
+  reader.onload = e => {
+    if (isImage) {
+      const b64 = e.target.result.split(',')[1];
+      attachment = {name: file.name, type: 'image', b64, mime: file.type};
+    } else {
+      attachment = {name: file.name, type: 'text', text: e.target.result};
+    }
+    attachName.textContent = file.name;
+    attachBadge.classList.remove('d-none');
+  };
+  if (isImage) reader.readAsDataURL(file);
+  else reader.readAsText(file);
+  this.value = '';
+});
+document.getElementById('clearAttach').addEventListener('click', () => {
+  attachment = null;
+  attachBadge.classList.add('d-none');
+});
+
+function setLoading(on) {
+  busy = on;
+  sendBtn.disabled = on;
+  chatInput.disabled = on;
+  sendLabel.classList.toggle('d-none', on);
+  sendSpinner.classList.toggle('d-none', !on);
+}
+
+function appendMessage(role, html) {
+  const div = document.createElement('div');
+  div.className = `message message-${role}`;
+  div.innerHTML = `<div class="message-bubble">${html}</div>`;
+  chatMessages.appendChild(div);
+  chatMessages.scrollTop = chatMessages.scrollHeight;
+}
+
+function appendRecipeCard(recipe) {
+  const div = document.createElement('div');
+  div.className = 'message message-assistant';
+  div.innerHTML = `
+    <div class="message-bubble recipe-added-card">
+      <div class="d-flex align-items-center gap-2">
+        <i class="bi bi-check-circle-fill text-success fs-5"></i>
+        <div>
+          <div class="fw-semibold">${escapeHtml(recipe.name)} added!</div>
+          <a href="/recipes/${recipe.id}" class="small">View recipe →</a>
+        </div>
+      </div>
+    </div>`;
+  chatMessages.appendChild(div);
+  chatMessages.scrollTop = chatMessages.scrollHeight;
+}
+
+function escapeHtml(s) {
+  return s.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
+}
+
+function mdToHtml(text) {
+  // Very simple markdown: **bold**, line breaks
+  return escapeHtml(text)
+    .replace(/\*\*(.+?)\*\*/g, '<strong>$1</strong>')
+    .replace(/\n/g, '<br>');
+}
+
+async function send() {
+  if (busy) return;
+  const msg = chatInput.value.trim();
+  if (!msg && !attachment) return;
+
+  const displayMsg = attachment ? `📎 ${attachment.name}${msg ? '\n' + msg : ''}` : msg;
+  appendMessage('user', mdToHtml(displayMsg));
+  chatInput.value = '';
+  chatInput.style.height = 'auto';
+  charCount.textContent = '';
+  const sentAttachment = attachment;
+  attachment = null;
+  attachBadge.classList.add('d-none');
+  setLoading(true);
+
+  // Thinking indicator
+  const thinking = document.createElement('div');
+  thinking.className = 'message message-assistant thinking-msg';
+  thinking.innerHTML = `<div class="message-bubble text-muted fst-italic">
+    <span class="spinner-border spinner-border-sm me-2" style="width:.75rem;height:.75rem"></span>Thinking…
+  </div>`;
+  chatMessages.appendChild(thinking);
+  chatMessages.scrollTop = chatMessages.scrollHeight;
+
+  try {
+    const payload = { message: msg, history };
+    if (sentAttachment) {
+      if (sentAttachment.type === 'image') {
+        payload.image_b64 = sentAttachment.b64;
+        payload.image_mime = sentAttachment.mime;
+        payload.image_name = sentAttachment.name;
+      } else {
+        payload.file_text = sentAttachment.text;
+        payload.file_name = sentAttachment.name;
+      }
+    }
+    const res = await api('/ai/chat', {
+      method: 'POST',
+      body: JSON.stringify(payload),
+    });
+    if (!res) return; // 401 redirect handled by api()
+
+    const data = await res.json();
+    thinking.remove();
+
+    if (data.error) {
+      appendMessage('assistant', `<span class="text-danger">${escapeHtml(data.error)}</span>`);
+    } else {
+      history = data.history;
+      if (data.response) appendMessage('assistant', mdToHtml(data.response));
+      (data.recipes_added || []).forEach(appendRecipeCard);
+    }
+  } catch(e) {
+    thinking.remove();
+    appendMessage('assistant', `<span class="text-danger">Network error — please try again.</span>`);
+  } finally {
+    setLoading(false);
+    chatInput.focus();
+  }
+}
+</script>
+{% endif %}
+{% endblock %}