fetchhistory changes

controller/fetchhistory.js

@@ -0,0 +1,89 @@
+const clickhouse = require('../database/clickhouse');
+
+const fetchHistory = async (req, res) => {
+  try {
+    const { responseId } = req.body;
+
+    const rows = await clickhouse.query({
+      query: `
+        SELECT response_json
+        FROM userdetails.chat_history
+        WHERE response_id = {responseId:UInt64}
+        LIMIT 1
+      `,
+      query_params: {
+        responseId: Number(responseId)
+      }
+    });
+
+    const result = await rows.json();
+
+    if (!result.data.length) {
+      return res.status(404).json({
+        success: false,
+        message: "History not found"
+      });
+    }
+
+    const response = JSON.parse(
+      result.data[0].response_json
+    );
+
+    return res.json({
+      success: true,
+      data: response
+    });
+
+  } catch (err) {
+    console.error(err);
+
+    return res.status(500).json({
+      success: false,
+      message: err.message
+    });
+  }
+};
+
+const fetchUserHistory = async (req, res) => {
+  try {
+    const userId = req.user?.client_id || null;
+
+    const rows = await clickhouse.query({
+      query: `
+        SELECT
+          response_id,
+          prompt,
+          created_at
+        FROM userdetails.chat_history
+        WHERE user_id = {userId:UInt64}
+        ORDER BY created_at DESC
+      `,
+      query_params: {
+        userId: Number(userId)
+      }
+    });
+
+    const result = await rows.json();
+
+    return res.json({
+      success: true,
+      totalRecords: result.data.length,
+      data: result.data
+    });
+
+  } catch (err) {
+    console.error(err);
+
+    return res.status(500).json({
+      success: false,
+      message: err.message
+    });
+  }
+};
+
+
+
+module.exports = {
+  fetchHistory,
+  fetchUserHistory
+};