feat: complete node task 2a

.env

@@ -1,3 +1,5 @@
 PORT=8000
 WEATHER_API_KEY=de18eeaec53e4caca18170027252507
-DB_PASSWORD=ayobamidavid
+DB_PASSWORD=ayobamidavid
+STRIPE_SECRET_KEY=sk_test_51IWQUwH8oljXErmds28KftkL6o6jYIcPgYbBdfEmCPSuAlIh0fgoS4NADcCmsIZbdQ3p5nbAeCOcGkSmo38U9BIe00BdOenrqo
+STRIPE_PUBLIC_KEY=pk_test_51IWQUwH8oljXErmdg6L4MhsuB6tDdmumlHFfyNaopty2U27pmRcqMX1c868zn838lGQtU1eYV6bKRSQtMFWf36VT00aNsvnTOE

models/chat.js

@@ -0,0 +1,26 @@
+module.exports = (sequelize, DataTypes) => {
+  const chat = sequelize.define(
+    "chat",
+    {
+      id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true,
+      },
+      create_at: {
+        type: DataTypes.DATE,
+        defaultValue: DataTypes.NOW,
+      },
+      chat_messages: {
+        type: DataTypes.TEXT,
+        allowNull: false,
+      },
+    },
+    {
+      timestamps: false,
+      freezeTableName: true,
+      tableName: "chat",
+    }
+  );
+  return chat;
+};

models/flow.js

@@ -0,0 +1,30 @@
+module.exports = (sequelize, DataTypes) => {
+  const flow = sequelize.define(
+    "flow",
+    {
+      id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true,
+      },
+      name: {
+        type: DataTypes.STRING,
+        allowNull: false,
+      },
+      description: {
+        type: DataTypes.TEXT,
+        allowNull: true,
+      },
+      created_at: {
+        type: DataTypes.DATE,
+        defaultValue: DataTypes.NOW,
+      },
+    },
+    {
+      timestamps: false,
+      freezeTableName: true,
+      tableName: "flow",
+    }
+  );
+  return flow;
+};

models/flow_log.js

@@ -0,0 +1,39 @@
+module.exports = (sequelize, DataTypes) => {
+  const flow_log = sequelize.define(
+    "flow_log",
+    {
+      id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true,
+      },
+      flow_id: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+      },
+      task_id: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+      },
+      result: {
+        type: DataTypes.TEXT,
+        allowNull: true,
+      },
+      status: {
+        type: DataTypes.STRING,
+        allowNull: false,
+        defaultValue: "pending",
+      },
+      created_at: {
+        type: DataTypes.DATE,
+        defaultValue: DataTypes.NOW,
+      },
+    },
+    {
+      timestamps: false,
+      freezeTableName: true,
+      tableName: "flow_logs",
+    }
+  );
+  return flow_log;
+};

models/task.js

@@ -0,0 +1,42 @@
+module.exports = (sequelize, DataTypes) => {
+  const task = sequelize.define(
+    "task",
+    {
+      id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true,
+      },
+      flow_id: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+        references: {
+          model: "flow",
+          key: "id",
+        },
+      },
+      action_type: {
+        type: DataTypes.STRING,
+        allowNull: false,
+      },
+      input_data: {
+        type: DataTypes.TEXT,
+        allowNull: false,
+      },
+      order_index: {
+        type: DataTypes.INTEGER,
+        allowNull: false,
+      },
+      created_at: {
+        type: DataTypes.DATE,
+        defaultValue: DataTypes.NOW,
+      },
+    },
+    {
+      timestamps: false,
+      freezeTableName: true,
+      tableName: "task",
+    }
+  );
+  return task;
+};

models/upload.js

@@ -0,0 +1,34 @@
+module.exports = (sequelize, DataTypes) => {
+  const upload = sequelize.define(
+    "upload",
+    {
+      id: {
+        type: DataTypes.INTEGER,
+        primaryKey: true,
+        autoIncrement: true,
+      },
+      filename: {
+        type: DataTypes.STRING,
+        allowNull: false,
+      },
+      mimetype: {
+        type: DataTypes.STRING,
+        allowNull: false,
+      },
+      path: {
+        type: DataTypes.STRING,
+        allowNull: false,
+      },
+      created_at: {
+        type: DataTypes.DATE,
+        defaultValue: DataTypes.NOW,
+      },
+    },
+    {
+      timestamps: false,
+      freezeTableName: true,
+      tableName: "upload",
+    }
+  );
+  return upload;
+};

package.json

@@ -17,11 +17,14 @@
     "http-errors": "~1.6.3",
     "mariadb": "^3.0.1",
     "morgan": "~1.9.1",
+    "multer": "^2.0.2",
     "mysql2": "^2.3.3",
     "node-fetch": "^2.7.0",
     "ol": "^7.1.0",
     "pug": "^3.0.2",
+    "redis": "^5.6.1",
     "sequelize": "^6.21.6",
+    "stripe": "^18.3.0",
     "xmlbuilder2": "^3.1.1"
   },
   "devDependencies": {

public/chat.js

@@ -0,0 +1,95 @@
+const messageInput = document.getElementById("message-input");
+const sendBtn = document.getElementById("send-btn");
+const messageList = document.getElementById("message-list");
+const saveBtn = document.getElementById("save-btn");
+const chatMessages = document.getElementById("chat-messages");
+
+let lastMessageCount = 0;
+
+// Send message
+async function sendMessage() {
+  const message = messageInput.value.trim();
+  if (!message) return;
+
+  try {
+    const response = await fetch("/send", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ message }),
+    });
+
+    if (response.ok) {
+      messageInput.value = "";
+      await fetchMessages();
+    }
+  } catch (err) {
+    console.error("Failed to send message:", err);
+  }
+}
+
+// Fetch all messages
+async function fetchMessages() {
+  try {
+    const response = await fetch("/chat/all");
+    const messages = await response.json();
+
+    messageList.innerHTML = "";
+    messages.forEach((msg) => {
+      const li = document.createElement("li");
+      li.className = "p-2 bg-gray-100 rounded";
+      li.innerHTML = `
+                <div class="text-sm text-gray-600">${new Date(
+                  msg.timestamp
+                ).toLocaleString()}</div>
+                <div class="font-medium">${msg.message}</div>
+            `;
+      messageList.appendChild(li);
+    });
+
+    // Auto-scroll to bottom
+    chatMessages.scrollTop = chatMessages.scrollHeight;
+    lastMessageCount = messages.length;
+  } catch (err) {
+    console.error("Failed to fetch messages:", err);
+  }
+}
+
+// Poll for updates
+async function pollForUpdates() {
+  try {
+    const response = await fetch(`/poll?lastCheck=${lastMessageCount}`);
+    const data = await response.json();
+
+    if (data.updated) {
+      await fetchMessages();
+    }
+  } catch (err) {
+    console.error("Poll failed:", err);
+  }
+}
+
+// Save chat
+async function saveChat() {
+  try {
+    const response = await fetch("/chat/save", { method: "POST" });
+    if (response.ok) {
+      alert("Chat saved successfully!");
+    } else {
+      alert("Failed to save chat");
+    }
+  } catch (err) {
+    console.error("Failed to save chat:", err);
+    alert("Failed to save chat");
+  }
+}
+
+// Event listeners
+sendBtn.addEventListener("click", sendMessage);
+messageInput.addEventListener("keypress", (e) => {
+  if (e.key === "Enter") sendMessage();
+});
+saveBtn.addEventListener("click", saveChat);
+
+// Initial load and start polling
+fetchMessages();
+setInterval(pollForUpdates, 2000);

public/flow.js

@@ -0,0 +1,227 @@
+// DOM elements
+const createFlowBtn = document.getElementById("create-flow-btn");
+const flowNameInput = document.getElementById("flow-name");
+const flowDescriptionInput = document.getElementById("flow-description");
+const flowSelect = document.getElementById("flow-select");
+const actionTypeSelect = document.getElementById("action-type");
+const taskInput = document.getElementById("task-input");
+const orderIndexInput = document.getElementById("order-index");
+const addTaskBtn = document.getElementById("add-task-btn");
+const flowDetails = document.getElementById("flow-details");
+const executeFlowSelect = document.getElementById("execute-flow-select");
+const executePayloadInput = document.getElementById("execute-payload");
+const executeBtn = document.getElementById("execute-btn");
+const webhookBtn = document.getElementById("webhook-btn");
+const executionResults = document.getElementById("execution-results");
+
+let currentFlows = [];
+
+// Create new flow
+async function createFlow() {
+  const name = flowNameInput.value.trim();
+  const description = flowDescriptionInput.value.trim();
+
+  if (!name) {
+    alert("Flow name is required");
+    return;
+  }
+
+  try {
+    const response = await fetch("/flow", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ name, description }),
+    });
+
+    if (response.ok) {
+      const flow = await response.json();
+      alert(`Flow "${flow.name}" created successfully!`);
+      flowNameInput.value = "";
+      flowDescriptionInput.value = "";
+      loadFlows();
+    } else {
+      const error = await response.json();
+      alert(`Error: ${error.error}`);
+    }
+  } catch (err) {
+    alert("Failed to create flow");
+  }
+}
+
+// Load all flows
+async function loadFlows() {
+  try {
+    const response = await fetch("/flows");
+    const flows = await response.json();
+    currentFlows = flows;
+
+    // Update flow selects
+    flowSelect.innerHTML = '<option value="">Select Flow</option>';
+    executeFlowSelect.innerHTML =
+      '<option value="">Select Flow to Execute</option>';
+
+    flows.forEach((flow) => {
+      flowSelect.innerHTML += `<option value="${flow.id}">${flow.name}</option>`;
+      executeFlowSelect.innerHTML += `<option value="${flow.id}">${flow.name}</option>`;
+    });
+  } catch (err) {
+    console.error("Failed to load flows");
+  }
+}
+
+// Add task to flow
+async function addTask() {
+  const flowId = flowSelect.value;
+  const actionType = actionTypeSelect.value;
+  const inputData = taskInput.value.trim();
+  const orderIndex = parseInt(orderIndexInput.value);
+
+  if (!flowId || !actionType || !inputData || isNaN(orderIndex)) {
+    alert("All fields are required");
+    return;
+  }
+
+  try {
+    const response = await fetch(`/flow/${flowId}/task`, {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({
+        action_type: actionType,
+        input_data: inputData,
+        order_index: orderIndex,
+      }),
+    });
+
+    if (response.ok) {
+      const task = await response.json();
+      alert(`Task "${task.action_type}" added successfully!`);
+      taskInput.value = "";
+      orderIndexInput.value = "";
+      loadFlowDetails(flowId);
+    } else {
+      const error = await response.json();
+      alert(`Error: ${error.error}`);
+    }
+  } catch (err) {
+    alert("Failed to add task");
+  }
+}
+
+// Load flow details
+async function loadFlowDetails(flowId) {
+  if (!flowId) return;
+
+  try {
+    const response = await fetch(`/flow/${flowId}`);
+    const data = await response.json();
+
+    flowDetails.innerHTML = `
+            <div class="border rounded p-4">
+                <h3 class="font-semibold text-lg">${data.flow.name}</h3>
+                <p class="text-gray-600">${
+                  data.flow.description || "No description"
+                }</p>
+                <div class="mt-4">
+                    <h4 class="font-medium">Tasks:</h4>
+                    <div class="space-y-2 mt-2">
+                        ${data.tasks
+                          .map(
+                            (task) => `
+                            <div class="bg-gray-100 p-2 rounded">
+                                <div class="font-medium">${task.action_type}</div>
+                                <div class="text-sm text-gray-600">Input: ${task.input_data}</div>
+                                <div class="text-xs text-gray-500">Order: ${task.order_index}</div>
+                            </div>
+                        `
+                          )
+                          .join("")}
+                    </div>
+                </div>
+            </div>
+        `;
+  } catch (err) {
+    console.error("Failed to load flow details");
+  }
+}
+
+// Execute flow
+async function executeFlow() {
+  const flowId = executeFlowSelect.value;
+  const payload = executePayloadInput.value.trim();
+
+  if (!flowId) {
+    alert("Please select a flow to execute");
+    return;
+  }
+
+  try {
+    const response = await fetch(`/flow/${flowId}/execute`, {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ payload }),
+    });
+
+    if (response.ok) {
+      const result = await response.json();
+      showExecutionResults(result);
+    } else {
+      const error = await response.json();
+      alert(`Error: ${error.error}`);
+    }
+  } catch (err) {
+    alert("Failed to execute flow");
+  }
+}
+
+// Show execution results
+function showExecutionResults(result) {
+  executionResults.innerHTML = `
+        <h4 class="font-semibold mb-2">Execution Results:</h4>
+        <div class="space-y-2">
+            ${result.results
+              .map(
+                (r) => `
+                <div class="p-2 ${
+                  r.status === "success" ? "bg-green-100" : "bg-red-100"
+                } rounded">
+                    <div class="font-medium">Task ${r.task_id}</div>
+                    <div class="text-sm">${r.result}</div>
+                    <div class="text-xs text-gray-600">Status: ${r.status}</div>
+                </div>
+            `
+              )
+              .join("")}
+        </div>
+    `;
+  executionResults.classList.remove("hidden");
+}
+
+// Get webhook URL
+function getWebhookUrl() {
+  const flowId = executeFlowSelect.value;
+
+  if (!flowId) {
+    alert("Please select a flow");
+    return;
+  }
+
+  const webhookUrl = `${window.location.origin}/flow/${flowId}/trigger?payload=test@example.com`;
+  alert(
+    `Webhook URL:\n${webhookUrl}\n\nCopy this URL to trigger the flow via webhook.`
+  );
+}
+
+// Event listeners
+createFlowBtn.addEventListener("click", createFlow);
+addTaskBtn.addEventListener("click", addTask);
+executeBtn.addEventListener("click", executeFlow);
+webhookBtn.addEventListener("click", getWebhookUrl);
+
+flowSelect.addEventListener("change", (e) => {
+  if (e.target.value) {
+    loadFlowDetails(e.target.value);
+  }
+});
+
+// Initialize
+loadFlows();

public/main.js

@@ -79,68 +79,6 @@ async function updateClocks() {
 updateClocks();
 setInterval(updateClocks, 1000);
 
-// --- Airport Autocomplete ---
-// const airportInput = document.querySelector('input[placeholder*="airport"]');
-// let dropdownDiv;
-// if (airportInput) {
-//   console.log("hi");
-//   dropdownDiv = document.createElement("div");
-//   dropdownDiv.className =
-//     "absolute bg-white border border-gray-300 rounded shadow z-10 w-full max-h-48 overflow-y-auto top-[calc(100%+10px)]";
-//   dropdownDiv.style.display = "none";
-//   airportInput.parentNode.appendChild(dropdownDiv);
-//   airportInput.addEventListener("input", async function () {
-//     const val = airportInput.value.trim();
-//     if (val.length < 3) {
-//       dropdownDiv.style.display = "none";
-//       return;
-//     }
-//     try {
-//       const res = await fetch(`/airports?search=${encodeURIComponent(val)}`);
-//       if (!res.ok) throw new Error("Failed to fetch airports");
-//       const airports = await res.json();
-//       if (!Array.isArray(airports) || airports.length === 0) {
-//         dropdownDiv.innerHTML =
-//           '<div class="p-2 text-gray-500">No results</div>';
-//         dropdownDiv.style.display = "block";
-//         return;
-//       }
-//       dropdownDiv.innerHTML = airports
-//         .map(
-//           (a, i) =>
-//             `<div class="p-2 hover:bg-sky-100 cursor-pointer" data-index="${i}">${a.name}</div>`
-//         )
-//         .join("");
-//       dropdownDiv.style.display = "block";
-//       Array.from(dropdownDiv.children).forEach((child, i) => {
-//         child.addEventListener("click", () => {
-//           airportInput.value = child.textContent;
-//           dropdownDiv.style.display = "none";
-//           selectedAirport = airports[i];
-//           console.log("hey");
-//           airportInput.textContent = `hold`;
-//           if (selectedAirport) {
-//             console.log(selectedAirport);
-//             airportInput.value = `${selectedAirport.name} (${selectedAirport.code})`;
-//             showMap(
-//               Number(selectedAirport.latitude_deg),
-//               Number(selectedAirport.longitude_deg)
-//             );
-//           }
-//         });
-//       });
-//     } catch (err) {
-//       dropdownDiv.innerHTML =
-//         '<div class="p-2 text-red-500">Error loading airports</div>';
-//       dropdownDiv.style.display = "block";
-//     }
-//   });
-//   // Hide dropdown on blur
-//   airportInput.addEventListener("blur", () =>
-//     setTimeout(() => (dropdownDiv.style.display = "none"), 200)
-//   );
-// }
-
 // --- Airport Autocomplete ---
 const airportInput = document.querySelector('input[placeholder*="airport"]');
 let dropdownDiv;
@@ -163,10 +101,6 @@ if (airportInput) {
     selectedAirport = currentAirports[index]; // Use latest fetched data
     airportInput.value = `${selectedAirport.name} (${selectedAirport.code})`; // Set once
 
-    // showMap(
-    //   Number(selectedAirport.latitude_deg),
-    //   Number(selectedAirport.longitude_deg)
-    // );
     onAirportSelected(selectedAirport);
     dropdownDiv.style.display = "none";
   });
@@ -307,6 +241,11 @@ function logWidgetClick(widgetName) {
       widget_name: widgetName,
       browser_type: navigator.userAgent,
     }),
+  }).then(async (res) => {
+    if (res.status === 429) {
+      const data = await res.json();
+      if (data.redirect) window.location.href = data.redirect;
+    }
   });
 }
 
@@ -394,6 +333,55 @@ if (coinInput && coinBtn && coinResult) {
   });
 }
 
+// --- Upload Widget ---
+const uploadInput = document.querySelector(
+  'input[type="file"][id="upload-input"]'
+);
+const uploadBtn = document.getElementById("upload-btn");
+const uploadPreview = document.getElementById("upload-preview");
+const uploadError = document.getElementById("upload-error");
+
+async function fetchLatestUpload() {
+  try {
+    const res = await fetch("/upload/latest");
+    const data = await res.json();
+    if (data.url && uploadPreview) {
+      uploadPreview.src = data.url;
+      uploadPreview.style.display = "";
+    } else if (uploadPreview) {
+      uploadPreview.style.display = "none";
+    }
+  } catch {}
+}
+
+if (uploadBtn && uploadInput) {
+  uploadBtn.addEventListener("click", async function () {
+    if (!uploadInput.files || !uploadInput.files[0]) {
+      if (uploadError) uploadError.textContent = "Please select an image.";
+      return;
+    }
+    const formData = new FormData();
+    formData.append("image", uploadInput.files[0]);
+    try {
+      const res = await fetch("/upload", { method: "POST", body: formData });
+      const data = await res.json();
+      if (data.url) {
+        if (uploadPreview) {
+          uploadPreview.src = data.url;
+          uploadPreview.style.display = "";
+        }
+        if (uploadError) uploadError.textContent = "";
+      } else {
+        if (uploadError)
+          uploadError.textContent = data.error || "Upload failed.";
+      }
+    } catch (err) {
+      if (uploadError) uploadError.textContent = "Upload failed.";
+    }
+  });
+}
+fetchLatestUpload();
+
 // Attach click listeners to widgets
 function attachAnalyticListeners() {
   const widgets = [

public/stylesheets/output.css

@@ -8,14 +8,20 @@
     --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
       "Courier New", monospace;
     --color-red-500: oklch(63.7% 0.237 25.331);
+    --color-green-500: oklch(72.3% 0.219 149.579);
+    --color-green-600: oklch(62.7% 0.194 149.214);
     --color-sky-100: oklch(95.1% 0.026 236.824);
     --color-sky-400: oklch(74.6% 0.16 232.661);
-    --color-blue-100: oklch(93.2% 0.032 255.585);
+    --color-blue-500: oklch(62.3% 0.214 259.815);
+    --color-blue-600: oklch(54.6% 0.245 262.881);
+    --color-blue-700: oklch(48.8% 0.243 264.376);
     --color-gray-100: oklch(96.7% 0.003 264.542);
     --color-gray-300: oklch(87.2% 0.01 258.338);
     --color-gray-500: oklch(55.1% 0.027 264.364);
+    --color-gray-600: oklch(44.6% 0.03 256.802);
     --color-white: #fff;
     --spacing: 0.25rem;
+    --container-2xl: 42rem;
     --text-xs: 0.75rem;
     --text-xs--line-height: calc(1 / 0.75);
     --text-sm: 0.875rem;
@@ -198,6 +204,27 @@
   .row-span-2 {
     grid-row: span 2 / span 2;
   }
+  .container {
+    width: 100%;
+    @media (width >= 40rem) {
+      max-width: 40rem;
+    }
+    @media (width >= 48rem) {
+      max-width: 48rem;
+    }
+    @media (width >= 64rem) {
+      max-width: 64rem;
+    }
+    @media (width >= 80rem) {
+      max-width: 80rem;
+    }
+    @media (width >= 96rem) {
+      max-width: 96rem;
+    }
+  }
+  .mx-auto {
+    margin-inline: auto;
+  }
   .mt-2 {
     margin-top: calc(var(--spacing) * 2);
   }
@@ -210,6 +237,12 @@
   .mb-2 {
     margin-bottom: calc(var(--spacing) * 2);
   }
+  .mb-4 {
+    margin-bottom: calc(var(--spacing) * 4);
+  }
+  .mb-6 {
+    margin-bottom: calc(var(--spacing) * 6);
+  }
   .ml-2 {
     margin-left: calc(var(--spacing) * 2);
   }
@@ -228,6 +261,9 @@
   .h-24 {
     height: calc(var(--spacing) * 24);
   }
+  .h-96 {
+    height: calc(var(--spacing) * 96);
+  }
   .h-244 {
     height: calc(var(--spacing) * 244);
   }
@@ -252,6 +288,12 @@
   .w-full {
     width: 100%;
   }
+  .max-w-2xl {
+    max-width: var(--container-2xl);
+  }
+  .flex-1 {
+    flex: 1;
+  }
   .cursor-pointer {
     cursor: pointer;
   }
@@ -276,6 +318,9 @@
   .justify-center {
     justify-content: center;
   }
+  .gap-2 {
+    gap: calc(var(--spacing) * 2);
+  }
   .gap-8 {
     gap: calc(var(--spacing) * 8);
   }
@@ -302,12 +347,15 @@
   .border-gray-300 {
     border-color: var(--color-gray-300);
   }
-  .bg-blue-100 {
-    background-color: var(--color-blue-100);
+  .bg-blue-500 {
+    background-color: var(--color-blue-500);
   }
   .bg-gray-100 {
     background-color: var(--color-gray-100);
   }
+  .bg-green-500 {
+    background-color: var(--color-green-500);
+  }
   .bg-inherit {
     background-color: inherit;
   }
@@ -317,6 +365,9 @@
   .bg-white {
     background-color: var(--color-white);
   }
+  .object-cover {
+    object-fit: cover;
+  }
   .p-2 {
     padding: calc(var(--spacing) * 2);
   }
@@ -329,6 +380,12 @@
   .p-8 {
     padding: calc(var(--spacing) * 8);
   }
+  .px-3 {
+    padding-inline: calc(var(--spacing) * 3);
+  }
+  .px-6 {
+    padding-inline: calc(var(--spacing) * 6);
+  }
   .px-8 {
     padding-inline: calc(var(--spacing) * 8);
   }
@@ -373,9 +430,15 @@
     --tw-font-weight: var(--font-weight-semibold);
     font-weight: var(--font-weight-semibold);
   }
+  .text-blue-700 {
+    color: var(--color-blue-700);
+  }
   .text-gray-500 {
     color: var(--color-gray-500);
   }
+  .text-gray-600 {
+    color: var(--color-gray-600);
+  }
   .text-red-500 {
     color: var(--color-red-500);
   }
@@ -390,14 +453,24 @@
     --tw-shadow: 0 4px 6px -1px var(--tw-shadow-color, rgb(0 0 0 / 0.1)), 0 2px 4px -2px var(--tw-shadow-color, rgb(0 0 0 / 0.1));
     box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
   }
-  .blur {
-    --tw-blur: blur(8px);
-    filter: var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,);
-  }
   .outline-none {
     --tw-outline-style: none;
     outline-style: none;
   }
+  .hover\:bg-blue-600 {
+    &:hover {
+      @media (hover: hover) {
+        background-color: var(--color-blue-600);
+      }
+    }
+  }
+  .hover\:bg-green-600 {
+    &:hover {
+      @media (hover: hover) {
+        background-color: var(--color-green-600);
+      }
+    }
+  }
   .hover\:bg-sky-100 {
     &:hover {
       @media (hover: hover) {
@@ -405,6 +478,30 @@
       }
     }
   }
+  .hover\:underline {
+    &:hover {
+      @media (hover: hover) {
+        text-decoration-line: underline;
+      }
+    }
+  }
+  .focus\:ring-2 {
+    &:focus {
+      --tw-ring-shadow: var(--tw-ring-inset,) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color, currentcolor);
+      box-shadow: var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
+    }
+  }
+  .focus\:ring-blue-500 {
+    &:focus {
+      --tw-ring-color: var(--color-blue-500);
+    }
+  }
+  .focus\:outline-none {
+    &:focus {
+      --tw-outline-style: none;
+      outline-style: none;
+    }
+  }
 }
 @property --tw-space-y-reverse {
   syntax: "*";
@@ -485,59 +582,6 @@
   inherits: false;
   initial-value: 0 0 #0000;
 }
-@property --tw-blur {
-  syntax: "*";
-  inherits: false;
-}
-@property --tw-brightness {
-  syntax: "*";
-  inherits: false;
-}
-@property --tw-contrast {
-  syntax: "*";
-  inherits: false;
-}
-@property --tw-grayscale {
-  syntax: "*";
-  inherits: false;
-}
-@property --tw-hue-rotate {
-  syntax: "*";
-  inherits: false;
-}
-@property --tw-invert {
-  syntax: "*";
-  inherits: false;
-}
-@property --tw-opacity {
-  syntax: "*";
-  inherits: false;
-}
-@property --tw-saturate {
-  syntax: "*";
-  inherits: false;
-}
-@property --tw-sepia {
-  syntax: "*";
-  inherits: false;
-}
-@property --tw-drop-shadow {
-  syntax: "*";
-  inherits: false;
-}
-@property --tw-drop-shadow-color {
-  syntax: "*";
-  inherits: false;
-}
-@property --tw-drop-shadow-alpha {
-  syntax: "<percentage>";
-  inherits: false;
-  initial-value: 100%;
-}
-@property --tw-drop-shadow-size {
-  syntax: "*";
-  inherits: false;
-}
 @layer properties {
   @supports ((-webkit-hyphens: none) and (not (margin-trim: inline))) or ((-moz-orient: inline) and (not (color:rgb(from red r g b)))) {
     *, ::before, ::after, ::backdrop {
@@ -558,19 +602,6 @@
       --tw-ring-offset-width: 0px;
       --tw-ring-offset-color: #fff;
       --tw-ring-offset-shadow: 0 0 #0000;
-      --tw-blur: initial;
-      --tw-brightness: initial;
-      --tw-contrast: initial;
-      --tw-grayscale: initial;
-      --tw-hue-rotate: initial;
-      --tw-invert: initial;
-      --tw-opacity: initial;
-      --tw-saturate: initial;
-      --tw-sepia: initial;
-      --tw-drop-shadow: initial;
-      --tw-drop-shadow-color: initial;
-      --tw-drop-shadow-alpha: 100%;
-      --tw-drop-shadow-size: initial;
     }
   }
 }

routes/index.js

@@ -8,6 +8,25 @@ const airportData = JSON.parse(
 );
 const db = require("../models");
 const { create } = require("xmlbuilder2");
+const rateLimitMap = new Map();
+const multer = require("multer");
+const uploadDir = path.join(__dirname, "../public/uploads");
+if (!fs.existsSync(uploadDir)) fs.mkdirSync(uploadDir, { recursive: true });
+const storage = multer.diskStorage({
+  destination: function (req, file, cb) {
+    cb(null, uploadDir);
+  },
+  filename: function (req, file, cb) {
+    const unique = Date.now() + "-" + Math.round(Math.random() * 1e9);
+    cb(null, unique + "-" + file.originalname);
+  },
+});
+const uploadMulter = multer({ storage });
+
+const stripe = require("stripe")(process.env.STRIPE_SECRET_KEY);
+const redis = require("redis");
+const client = redis.createClient();
+client.connect().catch(console.error);
 
 /* GET home page. */
 router.get("/", function (req, res, next) {
@@ -60,9 +79,20 @@ router.get("/airports", function (req, res) {
   res.json(matches);
 });
 
-// Log analytic event
+// Log analytic event with rate limiting
 router.post("/analytic", async function (req, res) {
   try {
+    const ip = req.headers["x-forwarded-for"] || req.connection.remoteAddress;
+    const now = Date.now();
+    const windowMs = 60 * 1000;
+    const maxReq = 10;
+    if (!rateLimitMap.has(ip)) rateLimitMap.set(ip, []);
+    let timestamps = rateLimitMap.get(ip).filter((ts) => now - ts < windowMs);
+    if (timestamps.length >= maxReq) {
+      return res.status(429).json({ redirect: "/pay" });
+    }
+    timestamps.push(now);
+    rateLimitMap.set(ip, timestamps);
     const { widget_name, browser_type } = req.body;
     if (!widget_name || !browser_type) {
       return res
@@ -162,4 +192,296 @@ router.post("/coin-calc", function (req, res) {
   }
 });
 
+// Stripe payment page
+router.get("/pay", async function (req, res) {
+  const session = await stripe.checkout.sessions.create({
+    payment_method_types: ["card"],
+    line_items: [
+      {
+        price_data: {
+          currency: "usd",
+          product_data: { name: "Widget Analytics Access" },
+          unit_amount: 500,
+        },
+        quantity: 1,
+      },
+    ],
+    mode: "payment",
+    success_url: req.protocol + "://" + req.get("host") + "/?paid=1",
+    cancel_url: req.protocol + "://" + req.get("host") + "/pay?cancel=1",
+  });
+  res.send(`
+    <html>
+      <head><title>Pay for Analytics</title></head>
+      <body style="display:flex;align-items:center;justify-content:center;height:100vh;flex-direction:column;">
+        <h2>Rate limit exceeded</h2>
+        <p>You need to pay $5 to continue using analytics.</p>
+        <button id="checkout">Pay with Stripe</button>
+        <script src="https://js.stripe.com/v3/"></script>
+        <script>
+          document.getElementById('checkout').onclick = function() {
+            var stripe = Stripe('${STRIPE_PUBLIC_KEY}');
+            stripe.redirectToCheckout({ sessionId: '${session.id}' });
+          }
+        </script>
+      </body>
+    </html>
+  `);
+});
+
+// Upload image
+router.post("/upload", uploadMulter.single("image"), async function (req, res) {
+  try {
+    if (!req.file) return res.status(400).json({ error: "No file uploaded" });
+    const file = req.file;
+    const dbUpload = await db.upload.create({
+      filename: file.filename,
+      mimetype: file.mimetype,
+      path: "/uploads/" + file.filename,
+    });
+    res.json({ url: "/uploads/" + file.filename });
+  } catch (err) {
+    res.status(500).json({ error: "Failed to upload image" });
+  }
+});
+
+// Get latest uploaded image
+router.get("/upload/latest", async function (req, res) {
+  try {
+    const latest = await db.upload.findOne({ order: [["created_at", "DESC"]] });
+    if (!latest) return res.json({ url: null });
+    res.json({ url: latest.path });
+  } catch (err) {
+    res.status(500).json({ error: "Failed to fetch latest upload" });
+  }
+});
+
+// Chat routes
+router.post("/send", async function (req, res) {
+  try {
+    const { message } = req.body;
+    if (!message) return res.status(400).json({ error: "Message required" });
+
+    const chatMessage = {
+      message,
+      timestamp: new Date().toISOString(),
+      id: Date.now(),
+    };
+
+    await client.lPush("chatroom", JSON.stringify(chatMessage));
+    res.json({ success: true });
+  } catch (err) {
+    res.status(500).json({ error: "Failed to send message" });
+  }
+});
+
+router.get("/chat/all", async function (req, res) {
+  try {
+    const messages = await client.lRange("chatroom", 0, -1);
+    const parsedMessages = messages.map((msg) => JSON.parse(msg));
+    res.json(parsedMessages);
+  } catch (err) {
+    res.status(500).json({ error: "Failed to fetch messages" });
+  }
+});
+
+router.get("/poll", async function (req, res) {
+  try {
+    const messageCount = await client.lLen("chatroom");
+    const lastCheck = req.query.lastCheck || 0;
+
+    if (messageCount > lastCheck) {
+      res.json({ updated: true, count: messageCount });
+    } else {
+      res.json({ updated: false, count: messageCount });
+    }
+  } catch (err) {
+    res.status(500).json({ error: "Poll failed" });
+  }
+});
+
+router.post("/chat/save", async function (req, res) {
+  try {
+    const messages = await client.lRange("chatroom", 0, -1);
+    const chatMessages = JSON.stringify(messages.map((msg) => JSON.parse(msg)));
+
+    await db.chat.create({
+      chat_messages: chatMessages,
+    });
+
+    res.json({ success: true });
+  } catch (err) {
+    res.status(500).json({ error: "Failed to save chat" });
+  }
+});
+
+// Chat page
+router.get("/chat", function (req, res) {
+  res.sendFile(path.join(__dirname, "../views/chat.html"));
+});
+
+// Flow Builder routes
+router.get("/flow", function (req, res) {
+  res.sendFile(path.join(__dirname, "../views/flow.html"));
+});
+
+// Get all flows
+router.get("/flows", async function (req, res) {
+  try {
+    const flows = await db.flow.findAll({
+      order: [["created_at", "DESC"]],
+    });
+    res.json(flows);
+  } catch (err) {
+    res.status(500).json({ error: "Failed to fetch flows" });
+  }
+});
+
+// Create new flow
+router.post("/flow", async function (req, res) {
+  try {
+    const { name, description } = req.body;
+    if (!name) return res.status(400).json({ error: "Flow name required" });
+
+    const flow = await db.flow.create({ name, description });
+    res.json({ id: flow.id, name: flow.name });
+  } catch (err) {
+    res.status(500).json({ error: "Failed to create flow" });
+  }
+});
+
+// Add task to flow
+router.post("/flow/:id/task", async function (req, res) {
+  try {
+    const flowId = req.params.id;
+    const { action_type, input_data, order_index } = req.body;
+
+    if (!action_type || !input_data || order_index === undefined) {
+      return res
+        .status(400)
+        .json({ error: "action_type, input_data, and order_index required" });
+    }
+
+    const task = await db.task.create({
+      flow_id: flowId,
+      action_type,
+      input_data,
+      order_index,
+    });
+
+    res.json({ id: task.id, action_type: task.action_type });
+  } catch (err) {
+    res.status(500).json({ error: "Failed to add task" });
+  }
+});
+
+// Get flow details
+router.get("/flow/:id", async function (req, res) {
+  try {
+    const flowId = req.params.id;
+    const flow = await db.flow.findByPk(flowId);
+    const tasks = await db.task.findAll({
+      where: { flow_id: flowId },
+      order: [["order_index", "ASC"]],
+    });
+
+    res.json({ flow, tasks });
+  } catch (err) {
+    res.status(500).json({ error: "Failed to fetch flow" });
+  }
+});
+
+// Execute flow
+router.post("/flow/:id/execute", async function (req, res) {
+  try {
+    const flowId = req.params.id;
+    const { payload } = req.body;
+
+    const flow = await db.flow.findByPk(flowId);
+    const tasks = await db.task.findAll({
+      where: { flow_id: flowId },
+      order: [["order_index", "ASC"]],
+    });
+
+    const results = [];
+
+    for (const task of tasks) {
+      let result = "";
+      let status = "success";
+
+      try {
+        switch (task.action_type) {
+          case "send_test_mail":
+            // Simulate sending email
+            result = `Email sent to: ${task.input_data}`;
+            break;
+
+          case "http_get_request":
+            const response = await fetch(task.input_data);
+            result = `HTTP GET ${task.input_data}: ${response.status}`;
+            break;
+
+          case "mysql_select":
+            const [table, id] = task.input_data.split("|");
+            const query = `SELECT * FROM ${table} WHERE id = ${id}`;
+            result = `Query executed: ${query}`;
+            break;
+
+          case "drive_upload":
+            result = `File uploaded to Google Drive with content: ${task.input_data}`;
+            break;
+
+          default:
+            result = `Unknown action type: ${task.action_type}`;
+            status = "error";
+        }
+      } catch (err) {
+        result = `Error: ${err.message}`;
+        status = "error";
+      }
+
+      // Log the execution
+      await db.flow_log.create({
+        flow_id: flowId,
+        task_id: task.id,
+        result,
+        status,
+      });
+
+      results.push({ task_id: task.id, result, status });
+    }
+
+    res.json({ flow_id: flowId, results });
+  } catch (err) {
+    res.status(500).json({ error: "Failed to execute flow" });
+  }
+});
+
+// Webhook trigger
+router.get("/flow/:id/trigger", async function (req, res) {
+  try {
+    const flowId = req.params.id;
+    const payload = req.query.payload;
+
+    if (!payload) {
+      return res.status(400).json({ error: "Payload required" });
+    }
+
+    // Execute the flow with the payload
+    const response = await fetch(
+      `${req.protocol}://${req.get("host")}/flow/${flowId}/execute`,
+      {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ payload }),
+      }
+    );
+
+    const result = await response.json();
+    res.json(result);
+  } catch (err) {
+    res.status(500).json({ error: "Failed to trigger flow" });
+  }
+});
+
 module.exports = router;

views/chat.html

@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Chat Room</title>
+    <script src="https://cdn.tailwindcss.com"></script>
+  </head>
+  <body class="bg-gray-100 min-h-screen">
+    <div class="container mx-auto p-4 max-w-2xl">
+      <h1 class="text-3xl font-bold text-center mb-6">Chat Room</h1>
+
+      <div class="bg-white rounded-lg shadow-md p-6">
+        <div
+          id="chat-messages"
+          class="h-96 overflow-y-auto mb-4 border rounded p-4"
+        >
+          <ul id="message-list" class="space-y-2">
+            <!-- Messages will be populated here -->
+          </ul>
+        </div>
+
+        <div class="flex gap-2 mb-4">
+          <input
+            type="text"
+            id="message-input"
+            placeholder="Type your message..."
+            class="flex-1 px-3 py-2 border rounded focus:outline-none focus:ring-2 focus:ring-blue-500"
+          />
+          <button
+            id="send-btn"
+            class="bg-blue-500 text-white px-6 py-2 rounded hover:bg-blue-600"
+          >
+            Send
+          </button>
+        </div>
+
+        <button
+          id="save-btn"
+          class="bg-green-500 text-white px-6 py-2 rounded hover:bg-green-600"
+        >
+          Save Chat
+        </button>
+      </div>
+    </div>
+
+    <script src="/chat.js"></script>
+  </body>
+</html>

views/flow.html

@@ -0,0 +1,127 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Flow Builder</title>
+    <script src="https://cdn.tailwindcss.com"></script>
+  </head>
+  <body class="bg-gray-100 min-h-screen">
+    <div class="container mx-auto p-4 max-w-4xl">
+      <h1 class="text-3xl font-bold text-center mb-6">Flow Builder</h1>
+
+      <!-- Create Flow Section -->
+      <div class="bg-white rounded-lg shadow-md p-6 mb-6">
+        <h2 class="text-xl font-semibold mb-4">Create New Flow</h2>
+        <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
+          <input
+            type="text"
+            id="flow-name"
+            placeholder="Flow Name"
+            class="px-3 py-2 border rounded focus:outline-none focus:ring-2 focus:ring-blue-500"
+          />
+          <input
+            type="text"
+            id="flow-description"
+            placeholder="Description"
+            class="px-3 py-2 border rounded focus:outline-none focus:ring-2 focus:ring-blue-500"
+          />
+        </div>
+        <button
+          id="create-flow-btn"
+          class="mt-4 bg-blue-500 text-white px-6 py-2 rounded hover:bg-blue-600"
+        >
+          Create Flow
+        </button>
+      </div>
+
+      <!-- Add Task Section -->
+      <div class="bg-white rounded-lg shadow-md p-6 mb-6">
+        <h2 class="text-xl font-semibold mb-4">Add Task to Flow</h2>
+        <div class="grid grid-cols-1 md:grid-cols-4 gap-4">
+          <select
+            id="flow-select"
+            class="px-3 py-2 border rounded focus:outline-none focus:ring-2 focus:ring-blue-500"
+          >
+            <option value="">Select Flow</option>
+          </select>
+          <select
+            id="action-type"
+            class="px-3 py-2 border rounded focus:outline-none focus:ring-2 focus:ring-blue-500"
+          >
+            <option value="">Select Action</option>
+            <option value="send_test_mail">Send Test Mail</option>
+            <option value="http_get_request">HTTP GET Request</option>
+            <option value="mysql_select">MySQL Select</option>
+            <option value="drive_upload">Drive Upload</option>
+          </select>
+          <input
+            type="text"
+            id="task-input"
+            placeholder="Input Data"
+            class="px-3 py-2 border rounded focus:outline-none focus:ring-2 focus:ring-blue-500"
+          />
+          <input
+            type="number"
+            id="order-index"
+            placeholder="Order"
+            min="0"
+            class="px-3 py-2 border rounded focus:outline-none focus:ring-2 focus:ring-blue-500"
+          />
+        </div>
+        <button
+          id="add-task-btn"
+          class="mt-4 bg-green-500 text-white px-6 py-2 rounded hover:bg-green-600"
+        >
+          Add Task
+        </button>
+      </div>
+
+      <!-- Flow Details Section -->
+      <div class="bg-white rounded-lg shadow-md p-6 mb-6">
+        <h2 class="text-xl font-semibold mb-4">Flow Details</h2>
+        <div id="flow-details" class="space-y-4">
+          <!-- Flow details will be populated here -->
+        </div>
+      </div>
+
+      <!-- Execute Flow Section -->
+      <div class="bg-white rounded-lg shadow-md p-6 mb-6">
+        <h2 class="text-xl font-semibold mb-4">Execute Flow</h2>
+        <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
+          <select
+            id="execute-flow-select"
+            class="px-3 py-2 border rounded focus:outline-none focus:ring-2 focus:ring-blue-500"
+          >
+            <option value="">Select Flow to Execute</option>
+          </select>
+          <input
+            type="text"
+            id="execute-payload"
+            placeholder="Payload (optional)"
+            class="px-3 py-2 border rounded focus:outline-none focus:ring-2 focus:ring-blue-500"
+          />
+        </div>
+        <div class="mt-4 space-x-4">
+          <button
+            id="execute-btn"
+            class="bg-purple-500 text-white px-6 py-2 rounded hover:bg-purple-600"
+          >
+            Execute Flow
+          </button>
+          <button
+            id="webhook-btn"
+            class="bg-orange-500 text-white px-6 py-2 rounded hover:bg-orange-600"
+          >
+            Get Webhook URL
+          </button>
+        </div>
+        <div id="execution-results" class="mt-4 p-4 bg-gray-100 rounded hidden">
+          <!-- Execution results will be shown here -->
+        </div>
+      </div>
+    </div>
+
+    <script src="/flow.js"></script>
+  </body>
+</html>

views/index.html

@@ -137,14 +137,21 @@ https://cdn.jsdelivr.net/npm/tailwindcss@4.1.11/dist/lib.min.js
         <div
           class="bg-white rounded-lg shadow-md p-6 flex flex-col items-center justify-center mt-8"
         >
-          <div
-            class="w-24 h-24 flex items-center justify-center bg-blue-100 rounded mb-2"
+          <img
+            id="upload-preview"
+            src=""
+            alt="Latest upload"
+            class="w-24 h-24 object-cover rounded mb-2"
+            style="display: none"
+          />
+          <input type="file" id="upload-input" accept="image/*" class="mb-2" />
+          <button
+            id="upload-btn"
+            class="bg-sky-400 text-white font-semibold px-8 py-2 rounded"
           >
-            <span class="text-4xl">&#128247;</span>
-          </div>
-          <button class="bg-sky-400 text-white font-semibold px-8 py-2 rounded">
             Upload
           </button>
+          <span id="upload-error" class="text-xs text-red-500 mt-2"></span>
         </div>
       </div>
     </div>