From 5245d4a94d7590056e070b1464dff11444960f58 Mon Sep 17 00:00:00 2001
From: zosimovaa <lesha.spb@gmail.com>
Date: Tue, 14 Oct 2025 19:54:27 +0300
Subject: [PATCH] History processor added

---
 HistoryProcessor.ipynb | 113 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 HistoryProcessor.ipynb

diff --git a/HistoryProcessor.ipynb b/HistoryProcessor.ipynb
new file mode 100644
index 0000000..06fc3e3
--- /dev/null
+++ b/HistoryProcessor.ipynb
@@ -0,0 +1,113 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "7ec67b12-879b-44bc-af1e-1b249e4b7c14",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import csv\n",
+    "import json\n",
+    "from datetime import datetime, timedelta\n",
+    "import time\n",
+    "\n",
+    "class HistoryProcessor:\n",
+    "    def __init__(self, csv_path, handler, clickhouse_client, period_seconds):\n",
+    "        self.csv_path = csv_path\n",
+    "        self.handler = handler\n",
+    "        self.db = clickhouse_client\n",
+    "        self.period = period_seconds\n",
+    "\n",
+    "    def floor_to_period(self, unixts):\n",
+    "        # Найти начало интервала\n",
+    "        start = int(unixts // self.period * self.period)\n",
+    "        return start\n",
+    "\n",
+    "    def run(self):\n",
+    "        with open(self.csv_path, \"r\") as f:\n",
+    "            reader = csv.reader(f)\n",
+    "            \n",
+    "            current_period = None\n",
+    "            first_cycle = True\n",
+    "            buffer_row = None\n",
+    "\n",
+    "            for row in reader:\n",
+    "                try:\n",
+    "                    message = json.loads(row[0])\n",
+    "                    msg_ts = int(message[\"timestamp\"])  # unixtimestamp\n",
+    "                except Exception as e:\n",
+    "                    continue # обработка ошибок парсинга\n",
+    "\n",
+    "                if current_period is None:\n",
+    "                    # Ищем первый интервал, синхронизированный на начало минуты\n",
+    "                    current_period = self.floor_to_period(msg_ts)\n",
+    "                \n",
+    "                # Разделяем на временные окна, выбрасывая все что до первой \"красивой\" границы\n",
+    "                if first_cycle and (msg_ts < current_period):\n",
+    "                    continue  # сообщение до первого валидного окна\n",
+    "                first_cycle = False\n",
+    "\n",
+    "                # Если сообщение попадает в текущее окно\n",
+    "                if msg_ts < current_period + self.period:\n",
+    "                    self.handler.on_message(message)\n",
+    "                else:\n",
+    "                    # Новый временной интервал\n",
+    "                    self.save_to_db(current_period)\n",
+    "\n",
+    "                    # Передвигаем current_period на период вперед до \"захвата\" текущего сообщения\n",
+    "                    while msg_ts >= current_period + self.period:\n",
+    "                        current_period += self.period\n",
+    "\n",
+    "                    self.handler.reset()  # опционально, если нужно очистить состояние между окнами\n",
+    "                    self.handler.on_message(message)\n",
+    "\n",
+    "            # По завершении файла — финальный дамп, если был хоть один обработанный период\n",
+    "            if not first_cycle:\n",
+    "                self.save_to_db(current_period)\n",
+    "\n",
+    "    def save_to_db(self, period_start):\n",
+    "        orderbook = self.handler.get_orderbook()\n",
+    "        # Пример вставки\n",
+    "        self.db.execute(\n",
+    "            'INSERT INTO orderbook_table (period_start, data) VALUES',\n",
+    "            [(period_start, json.dumps(orderbook))]\n",
+    "        )\n",
+    "\n",
+    "# Пример инициализации:\n",
+    "# handler = MyOrderbookHandler()\n",
+    "# clickhouse = ... # Ваш ClickHouse client, например clickhouse-driver\n",
+    "# proc = HistoryProcessor(\"history.csv\", handler, clickhouse, 15)\n",
+    "# proc.run()\n"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.9.6"
+  },
+  "widgets": {
+   "application/vnd.jupyter.widget-state+json": {
+    "state": {},
+    "version_major": 2,
+    "version_minor": 0
+   }
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}