{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "import copy\n",
    "import requests\n",
    "import pprint"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "searchURL = 'https://www.carousell.sg/api-service/filter/cf/4.0/search/'\n",
    "searchContent = {\n",
    "    'bestMatchEnabled': False,\n",
    "    'canChangeKeyword': False,\n",
    "    'count': 40, # maximum appears to be 40 results\n",
    "    'countryCode': 'SG',\n",
    "    'countryId': '1880251',\n",
    "    #'ccid': None, # filter by category (must specify collection ID under filters too)\n",
    "    'filters': [\n",
    "        # {'fieldName': 'price', 'rangedFloat': {'end': {'value': None}, 'start': {'value': None}}} # filter by price\n",
    "        # {'fieldName': 'collections', 'idsOrKeywords': {'value': None}} # filter by category (must specify correct ccid too)\n",
    "    ], \n",
    "    'includeSuggestions': False,\n",
    "    'locale': 'en',\n",
    "    'prefill': [], # Seems to be used when adding filters to an existing search (not used by us)\n",
    "    'query': None,\n",
    "    'sortParam': { # used to specify: sorting of returned results (currently set to return most recent listings)\n",
    "        'fieldName': 'time_created', \n",
    "        'ascending': {\n",
    "            'value': False\n",
    "        }\n",
    "    }\n",
    "}\n",
    "\n",
    "\n",
    "# additional search content for various searches\n",
    "# for filtering by price\n",
    "    # {'rangedFloat': {'end': {'value': 'max'}, 'start': {'value': 'min'}}, 'fieldName': 'price'}\n",
    "# for filtering by category\n",
    "    # ccid: (2196 = Desktops)\n",
    "    # filters\n",
    "        # {'fieldName': 'collections', 'idsOrKeywords': {'value': '1794'}} - for Desktops\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "def query(keyword = None, category = None, minPrice = None, maxPrice = None):\n",
    "    # construct POST content\n",
    "    content = copy.deepcopy(searchContent)\n",
    "    if keyword != None:\n",
    "        print('Keyword: ' + keyword)\n",
    "        content['query'] = keyword\n",
    "    if category != None:\n",
    "        print('Category: ' + category)\n",
    "    if minPrice != None or maxPrice != None:\n",
    "        content['filters'].append({'fieldName': 'price', 'rangedFloat': {}})\n",
    "    if minPrice != None:\n",
    "        minPriceStr = str(minPrice)\n",
    "        print('Minimum price: ' + minPriceStr)\n",
    "        content['filters'][0]['rangedFloat']['start'] = {'value': minPriceStr}\n",
    "    if maxPrice != None:\n",
    "        maxPriceStr = str(maxPrice)\n",
    "        print('Maximum price: ' + maxPriceStr)\n",
    "        content['filters'][0]['rangedFloat']['end'] = {'value': maxPriceStr}\n",
    "    \n",
    "    pprint.pprint({\"searchURL\":searchURL})\n",
    "    pprint.pprint(content)\n",
    "    # perform POST search, retrieve JSON response\n",
    "    \n",
    "    \n",
    "#     searchResp = requests.post(url=searchURL, json=content)\n",
    "#     searchRespData = searchResp.json()\n",
    "#     print(searchRespData)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Keyword: gtx1060\n",
      "Minimum price: 300\n",
      "Maximum price: 400\n",
      "{'searchURL': 'https://www.carousell.sg/api-service/filter/cf/4.0/search/'}\n",
      "{'bestMatchEnabled': False,\n",
      " 'canChangeKeyword': False,\n",
      " 'count': 40,\n",
      " 'countryCode': 'SG',\n",
      " 'countryId': '1880251',\n",
      " 'filters': [{'fieldName': 'price',\n",
      "              'rangedFloat': {'end': {'value': '400'},\n",
      "                              'start': {'value': '300'}}}],\n",
      " 'includeSuggestions': False,\n",
      " 'locale': 'en',\n",
      " 'prefill': [],\n",
      " 'query': 'gtx1060',\n",
      " 'sortParam': {'ascending': {'value': False}, 'fieldName': 'time_created'}}\n"
     ]
    }
   ],
   "source": [
    "query(keyword=\"gtx1060\", minPrice=300, maxPrice=400)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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