From 616983559a86de25994c31f7b11ec4fc79a0433a Mon Sep 17 00:00:00 2001
From: tripathyr <rohit.tripathy@gmail.com>
Date: Wed, 23 Oct 2024 07:25:38 +0530
Subject: [PATCH] Update price-history.js

---
 routes/price-history.js | 88 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)

diff --git a/routes/price-history.js b/routes/price-history.js
index 6d4d3f7..a27498c 100644
--- a/routes/price-history.js
+++ b/routes/price-history.js
@@ -23,6 +23,16 @@ function readCsvFile() {
     });
 }
 
+// Function to parse dates in different formats (e.g., 2024-10-2 or 2024-9-3)
+function parseDateString(dateStr) {
+    const parts = dateStr.split('-');
+    const year = parseInt(parts[0]);
+    const month = parseInt(parts[1]) - 1; // Months are 0-indexed in JavaScript Date
+    const day = parseInt(parts[2]);
+
+    return new Date(year, month, day).setHours(0, 0, 0, 0); // Set time to 00:00:00.000
+}
+
 // Function to fetch BTC prices in USD and INR from BitPay API
 async function fetchBtcPrices() {
     try {
@@ -92,6 +102,84 @@ async function collectAndUpdatePrices() {
     }
 }
 
+// Route to handle price history requests
+router.get("/", async (req, res) => {
+    console.log('price-history');
+    try {
+        let { from, to, on, limit = 100, asset = 'btc', currency, sort, dates } = req.query;
+        const searchParams = {
+            asset
+        };
+
+        // Convert 'from' and 'to' dates to proper format
+        if (from && to) {
+            from = parseDateString(from);
+            to = parseDateString(to);
+            if (from > to) {
+                const temp = from;
+                from = to;
+                to = temp;
+            }
+        }
+
+        if (from) {
+            searchParams.date = { $gte: from };
+        }
+        if (to) {
+            searchParams.date = { ...searchParams.date, $lte: to };
+        }
+
+        // If the 'dates' parameter is used
+        if (dates) {
+            const datesArray = dates.split(',').map(date => parseDateString(date.trim()));
+            searchParams.date = { $in: datesArray };
+        }
+
+        // If the 'on' parameter is used for a single date
+        if (on) {
+            const onDate = parseDateString(on);
+            searchParams.date = { $eq: onDate };
+        }
+
+        if (currency) {
+            searchParams[currency] = { $exists: true };
+        }
+
+        if (sort) {
+            if (['asc', 'desc', 'ascending', 'descending', '1', '-1'].includes(sort)) {
+                sort = { date: sort === 'asc' || sort === 'ascending' || sort === '1' ? 1 : -1 };
+            } else {
+                return res.status(400).json({ error: 'Invalid sort. Valid values are asc | desc | ascending | descending | 1 | -1' });
+            }
+        } else {
+            sort = { date: -1 };
+        }
+
+        // Formatting the data to exclude certain fields
+        const dataFormat = { _id: 0, __v: 0, asset: 0 };
+        if (currency === 'inr') {
+            dataFormat.usd = 0;
+        }
+        if (currency === 'usd') {
+            dataFormat.inr = 0;
+        }
+
+        const priceHistory = await PriceHistory.find(searchParams, dataFormat)
+            .sort(sort)
+            .limit(limit === 'all' ? 0 : parseInt(limit))
+            .lean();
+
+        if (!priceHistory || priceHistory.length === 0) {
+            return res.status(404).json({ message: 'No data found' });
+        }
+
+        res.json(priceHistory);
+    } catch (err) {
+        console.log(err);
+        res.status(500).json({ error: err });
+    }
+});
+
 // Cron job to collect prices every 4 hours
 cron.schedule('0 */4 * * *', async () => {
     console.log('Starting price collection for daily averaging...');