initial commit

8 files changed, 623 insertions, 0 deletions

diff --git a/app/__init__.py b/app/__init__.py
new file mode 100644
index 0000000..8ee21b9
--- /dev/null
+++ b/app/__init__.py
@@ -0,0 +1,91 @@
+import os
+import time
+
+from . import acmespb
+from flask import Flask, render_template
+from flask_socketio import SocketIO, emit
+
+socketio = SocketIO()
+
+
+def create_app(test_config=None):
+    app = Flask(__name__, instance_relative_config=True)
+    app.config.from_mapping(
+        SECRET_KEY='dev',
+        DATABASE=os.path.join(app.instance_path, 'app.sqlite'),
+    )
+
+    if test_config is None:
+        # load the instance config, if it exists, when not testing
+        app.config.from_pyfile('config.py', silent=True)
+    else:
+        # load the test config if passed in
+        app.config.from_mapping(test_config)
+
+    # ensure the instance folder exists
+    try:
+        os.makedirs(app.instance_path)
+    except OSError:
+        pass
+
+    socketio.init_app(app)
+
+    @app.route('/')
+    def hello():
+        return render_template('index.html')
+
+    @socketio.on('get_hints')
+    def handle_get_hints_event(q):
+        print('[get_hints] id=%d, query=%s' % (q['id'], q['query']))
+        if len(q['query']) < 3:
+            response = {
+                'id': q['id'],
+                'error': "query is too short"
+            }
+            emit('hints', response)
+            return
+        results = acmespb.search(q['query'])
+        response = {
+            'id': q['id'],
+            'response': results
+        }
+        emit('hints', response)
+
+    @socketio.on('get_offers')
+    def handle_get_offers_event(q):
+        print('[get_offers] id=%d, query=%s' % (q['id'], q['query']))
+        target_url, trade_names = acmespb.trade_names(q['query'])
+        if trade_names:
+            response = {
+                'id': q['id'],
+                "response": trade_names
+            }
+            emit('hints', response)
+            return
+
+        page = 1
+        pages = 0
+        target_url = None
+        while pages == 0 or page <= pages:
+            target_url, pages, offers = acmespb.offers(q['query'], page=page, target_url=target_url)
+            print("[%d] pages=%d, target_url=%s" % (page, pages, target_url))
+            response = {
+                'id': q['id'],
+                'offers': [offer.as_dict() for offer in offers],
+                'page': page,
+                'pages': pages
+            }
+            emit('offers', response)
+
+            time.sleep(0.5)
+            page += 1
+
+        response = {
+            'id': q['id'],
+            'end': True
+        }
+        emit('offers', response)
+
+        # TODO empty response
+
+    return app
diff --git a/app/acmespb.py b/app/acmespb.py
new file mode 100644
index 0000000..5ebc41f
--- /dev/null
+++ b/app/acmespb.py
@@ -0,0 +1,133 @@
+import requests
+import urllib.parse
+import json
+import re
+import math
+import hashlib
+
+from bs4 import BeautifulSoup
+
+headers = {
+    'Referer': 'https://www.acmespb.ru/',
+    'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.89 Safari/537.36'
+}
+proxies = {
+    'http': 'socks5://127.0.0.1:1079',
+    'https': 'socks5://127.0.0.1:1079'
+}
+per_page = 50
+
+session = requests.Session()
+session.proxies.update(proxies)
+session.headers.update(headers)
+
+
+class AcmeException(Exception):
+    pass
+
+
+class AcmePharmacy:
+    def __init__(self, name='', address='', phone='', geo=None):
+        self.name = name
+        self.address = address
+        self.phone = phone
+        self.geo = geo
+
+    def as_dict(self):
+        dict = self.__dict__
+        dict['hash'] = hashlib.md5(("%s|%s" % (self.address, self.name)).encode('utf-8')).hexdigest()
+        return dict
+
+
+class AcmeOffer:
+    def __init__(self, name='', country='', pharmacy=None, price=None):
+        self.name = name
+        self.country = country
+        self.pharmacy = pharmacy
+        self.price = price
+
+    def as_dict(self):
+        dict = self.__dict__
+        dict['pharmacy'] = self.pharmacy.as_dict()
+        return dict
+
+
+def search(query):
+    url = "https://www.acmespb.ru/lib/autocomplete.php?term=" + urllib.parse.quote(query)
+    r = session.get(url, allow_redirects=False)
+    if r.text == "":
+        return []
+
+    r.encoding = "utf-8"
+    return json.loads(r.text)
+
+
+def trade_names(query):
+    url = "https://www.acmespb.ru/search.php"
+    r = session.post(url, {"free_str": query}, allow_redirects=False)
+    if r.status_code != 301:
+        raise AcmeException("status_code is %d" % (r.status_code,))
+    if '/trade/' not in r.headers["location"]:
+        return r.headers["location"], None
+
+    r = session.get(r.headers["location"], allow_redirects=False)
+    r.encoding = "utf-8"
+    soup = BeautifulSoup(r.text, "html.parser")
+    trades = soup.find(id="trades")
+    return None, [opt.string for opt in trades.find_all("option") if opt["value"] != "all"]
+
+
+def _get_location(query):
+    url = "https://www.acmespb.ru/search.php"
+    data = {"free_str": query}
+    r = session.post(url, data, allow_redirects=False)
+    return r.headers["location"]
+
+
+def offers(query, target_url=None, page=1):
+    if target_url is None:
+        target_url = _get_location(query)
+
+    data = {
+        "free_str": query,
+        "page": page
+    }
+    r = session.post(target_url, data, allow_redirects=False)
+    r.encoding = "utf-8"
+    if r.status_code != 200:
+        raise AcmeException("status_code is %d, expected 200" % (r.status_code,))
+
+    pages = 1
+
+    soup = BeautifulSoup(r.text, "html.parser")
+    p = soup.find("p", class_="red")
+    if p:
+        total_matches = int(re.findall("([0-9]+)", p.string)[0])
+        pages = math.ceil(total_matches / per_page)
+
+    offers = []
+    for trow in soup.find_all('div', class_='trow'):
+        if 'thead' in trow['class']:
+            continue
+
+        name = trow.select_one('.cell.name p.sra').text
+        country = trow.select_one('.cell.country').text
+        phname = trow.select_one('.cell.pharm a').text
+        price = float(trow.select_one('.cell.pricefull').text)
+
+        # parse address, geo coordinates and phone number
+        addr_div = trow.select_one('.cell.address')
+        phone = re.findall('тел\.([^<]+)', addr_div.text)[0].strip()
+
+        addr_link = addr_div.select_one('a')
+        address = addr_link.text
+
+        geo = re.findall('text=([0-9\.]+),([0-9\.]+)', addr_link['href'])[0]
+        geo = list(map(lambda x: float(x), geo))
+
+        acmepharm = AcmePharmacy(name=phname, address=address, phone=phone, geo=geo)
+        acmeoffer = AcmeOffer(name=name, country=country, price=price, pharmacy=acmepharm)
+
+        offers.append(acmeoffer)
+
+    return target_url, pages, offers
\ No newline at end of file
diff --git a/app/static/app.js b/app/static/app.js
new file mode 100644
index 0000000..bc4b89e
--- /dev/null
+++ b/app/static/app.js
@@ -0,0 +1,191 @@
+class Search {
+  constructor() {
+    this.searchDebounced = _.debounce((query) => {
+      if (query.length < 3)
+        return;
+      this.socket.emit('get_hints', {
+        id: this.updateRequestId(),
+        query
+      });
+    }, 150);
+
+    let field = document.getElementById('queryInput');
+    let btn = document.getElementById('querySubmit');
+
+    this.autoComplete = new Autocomplete(field, {
+      data: [],
+      maximumItems: 10,
+      onInput: (value) => {
+        this.searchDebounced(value);
+      },
+      onSelectItem: ({label}) => {
+        // console.log('selected:', label)
+      },
+      highlightClass: 'text-danger'
+    });
+
+    btn.addEventListener('click', this.onSubmit);
+    field.addEventListener('keydown', this.onInputKeyDown);
+
+    this.btn = btn;
+    this.field = field;
+
+    this.socket = io();
+    this.socket.on('hints', this.onHints);
+    this.socket.on('offers', this.onOffers)
+  }
+
+  updateRequestId() {
+    this.requestId = requestId();
+    return this.requestId;
+  }
+
+  onInputKeyDown = (e) => {
+    if (e.keyCode === 10 || e.keyCode === 13)
+      this.onSubmit();
+  }
+
+  onSubmit = (e) => {
+    if (this.isLocked())
+      return;
+
+    this.lockButton('Загрузка...');
+
+    gMaps.removeAllPoints();
+    this.socket.emit('get_offers', {
+      id: this.updateRequestId(),
+      query: this.field.value
+    });
+  }
+
+  onHints = (data) => {
+    if (data.id !== this.requestId)
+      return;
+
+    this.unlockButton();
+
+    if (data.error) {
+      console.warn(data.error);
+      return;
+    }
+
+    this.autoComplete.setData(data.response.map(item => {
+      return {label: item, value: ''};
+    }));
+    this.autoComplete.renderIfNeeded();
+  }
+
+  onOffers = (data) => {
+    if (data.id !== this.requestId)
+      return;
+
+    if (data.end) {
+      this.unlockButton();
+      return;
+    } else {
+      this.lockButton(data.pages > 1 ? `${data.page} из ${data.pages}` : null);
+    }
+
+    for (let offer of data.offers)
+      gMaps.addOffer(offer);
+  }
+
+  isLocked() {
+    return this.btn.classList.contains('disabled');
+  }
+
+  lockButton(text) {
+    if (text !== null)
+      this.btn.innerText = text;
+    this.btn.classList.add('disabled');
+  }
+
+  unlockButton() {
+    this.btn.classList.remove('disabled');
+    this.btn.innerText = 'Поиск';
+  }
+}
+
+
+class Maps {
+  constructor() {
+    /**
+     * @type {ymaps.Map}
+     */
+    this.map = null;
+    ymaps.ready(this.onInit);
+
+    this.places = {};
+  }
+
+  onInit = () => {
+    this.map = new ymaps.Map("mapContainer", {
+      center: [59.94, 30.32],
+      zoom: 11
+    });
+    this.map.controls.remove('searchControl');
+  }
+
+  addPoint({geo, offersRef, hint, pharmacyName, pharmacyAddress, pharmacyPhone}) {
+    let mark = new ymaps.Placemark(geo, {
+      hintContent: hint,
+    }, {
+      preset: 'islands#dotIcon',
+      openEmptyBalloon: true,
+      iconColor: '#3caa3c'
+    });
+    mark.events.add('balloonopen', e => {
+      let lines = offersRef.map(offer => {
+        return `${offer.name} (${offer.price} руб.)`
+      });
+      let html = `<b>${pharmacyName}</b><br>`;
+      html += `${pharmacyAddress}<br>`;
+      html += `тел: ${pharmacyPhone}<br><br>`;
+      html += lines.join('\n');
+      mark.properties.set('balloonContent', html);
+    });
+    this.map.geoObjects.add(mark);
+    return mark;
+  }
+  
+  removeAllPoints() {
+    this.map.geoObjects.removeAll();
+  }
+
+  addOffer(offer) {
+    // console.log('[addOffer]', offer);
+    let hash = offer.pharmacy.hash;
+    if (hash in this.places)
+      this.places[hash].offers.push(offer);
+    else {
+      this.places[hash] = {
+        offers: [offer],
+      };
+      this.places[hash].mark = this.addPoint({
+        geo: offer.pharmacy.geo,
+        hint: offer.pharmacy.name,
+        pharmacyName: offer.pharmacy.name,
+        pharmacyAddress: offer.pharmacy.address,
+        pharmacyPhone: offer.pharmacy.phone,
+        offersRef: this.places[hash].offers
+      });
+    }
+  }
+}
+
+
+function requestId() {
+  return _.random(1, 99999999);
+}
+
+
+let gMaps, gSearch;
+
+window.addEventListener('DOMContentLoaded', function() {
+  gSearch = new Search();
+  gMaps = new Maps();
+
+   // document.getElementById('test').addEventListener('click', () => {
+   //   gMaps.addTestPoint();
+   // });
+});
\ No newline at end of file
diff --git a/app/static/autocomplete.js b/app/static/autocomplete.js
new file mode 100644
index 0000000..87b42a5
--- /dev/null
+++ b/app/static/autocomplete.js
@@ -0,0 +1,135 @@
+const DEFAULTS = {
+  treshold: 2,
+  maximumItems: 5,
+  highlightTyped: true,
+  highlightClass: 'text-primary',
+};
+
+class Autocomplete {
+  constructor(field, options) {
+    this.field = field;
+    this.options = Object.assign({}, DEFAULTS, options);
+    this.dropdown = null;
+
+    field.parentNode.classList.add('dropdown');
+    field.setAttribute('data-toggle', 'dropdown');
+    field.classList.add('dropdown-toggle');
+
+    const dropdown = ce(`<div class="dropdown-menu" ></div>`);
+    if (this.options.dropdownClass)
+      dropdown.classList.add(this.options.dropdownClass);
+
+    insertAfter(dropdown, field);
+
+    this.dropdown = new bootstrap.Dropdown(field, this.options.dropdownOptions)
+
+    field.addEventListener('click', (e) => {
+      if (this.createItems() === 0) {
+        // prevent show empty
+        e.stopPropagation();
+        this.dropdown.hide();
+        // field.dropdown('hide');
+      }
+    });
+
+    field.addEventListener('input', () => {
+      if (this.options.onInput)
+        this.options.onInput(this.field.value);
+      this.renderIfNeeded();
+    });
+
+    field.addEventListener('keydown', (e) => {
+      if (e.keyCode === 27) {
+        this.dropdown.hide();
+        return;
+      }
+    });
+  }
+
+  setData(data) {
+    this.options.data = data;
+  }
+
+  renderIfNeeded() {
+    if (this.createItems() > 0) {
+      this.dropdown.show();
+      // field.dropdown('show');
+    } else {
+      // sets up positioning
+      this.field.click();
+    }
+  }
+
+  createItem(lookup, item) {
+    let label;
+    if (this.options.highlightTyped) {
+      const idx = item.label.toLowerCase().indexOf(lookup.toLowerCase());
+      const className = Array.isArray(this.options.highlightClass) ? this.options.highlightClass.join(' ')
+        : (typeof this.options.highlightClass == 'string' ? this.options.highlightClass : '')
+      label = item.label.substring(0, idx)
+        + `<span class="${className}">${item.label.substring(idx, idx + lookup.length)}</span>`
+        + item.label.substring(idx + lookup.length, item.label.length);
+    } else {
+      label = item.label;
+    }
+    return ce(`<button type="button" class="dropdown-item" data-value="${item.value}">${label}</button>`);
+  }
+
+  createItems() {
+    const lookup = this.field.value;
+    if (lookup.length < this.options.treshold) {
+      this.dropdown.hide();
+      // field.dropdown('hide');
+      return 0;
+    }
+
+    const items = this.field.nextSibling;
+    items.innerHTML = '';
+
+    let count = 0;
+    for (let i = 0; i < this.options.data.length; i++) {
+      const {label, value} = this.options.data[i];
+      const item = {label, value};
+      if (item.label.toLowerCase().indexOf(lookup.toLowerCase()) >= 0) {
+        items.appendChild(this.createItem(lookup, item));
+        if (this.options.maximumItems > 0 && ++count >= this.options.maximumItems)
+          break;
+      }
+    }
+
+    this.field.nextSibling.querySelectorAll('.dropdown-item').forEach((item) => {
+      item.addEventListener('click', (e) => {
+        let dataValue = e.target.getAttribute('data-value');
+        this.field.value = e.target.innerText;
+        if (this.options.onSelectItem) {
+          this.options.onSelectItem({
+            value: e.target.value,
+            label: e.target.innerText,
+          });
+        }
+        this.dropdown.hide();
+      })
+    });
+
+    return items.childNodes.length;
+  }
+}
+
+/**
+ * @param html
+ * @returns {Node}
+ */
+function ce(html) {
+  let div = document.createElement('div');
+  div.innerHTML = html;
+  return div.firstChild;
+}
+
+/**
+ * @param elem
+ * @param refElem
+ * @returns {*}
+ */
+function insertAfter(elem, refElem) {
+  return refElem.parentNode.insertBefore(elem, refElem.nextSibling)
+}
\ No newline at end of file
diff --git a/app/static/style.css b/app/static/style.css
new file mode 100644
index 0000000..303ffdc
--- /dev/null
+++ b/app/static/style.css
@@ -0,0 +1,17 @@
+/*.acme-container {*/
+/*  margin-top: 1.5rem;*/
+/*}*/
+
+#test {
+  position: absolute;
+  color: #fff;
+  background-color: red;
+  opacity: 0.25;
+  top: 0;
+  right: 0;
+  padding: 5px 8px;
+  cursor: pointer;
+}
+#test:hover {
+  opacity: 1;
+}
\ No newline at end of file
diff --git a/app/templates/base.html b/app/templates/base.html
new file mode 100644
index 0000000..aeb42c6
--- /dev/null
+++ b/app/templates/base.html
@@ -0,0 +1,39 @@
+<!doctype html>
+<html lang="ru" class="h-100 mh-100">
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+
+  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta1/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-giJF6kkoqNQ00vy+HMDP7azOuL0xtbfIcaT9wjKHr8RbDVddVHyTfAAsrekwKmP1" crossorigin="anonymous">
+  <link rel="stylesheet" href="{{ url_for('static', filename='style.css') }}">
+
+  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta1/dist/js/bootstrap.bundle.min.js" integrity="sha384-ygbV9kiqUc6oa4msXn9868pTtWMgiQaeYH7/t7LECLbyPA2x65Kgf80OJFdroafW" crossorigin="anonymous"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.4/socket.io.js" integrity="sha512-aMGMvNYu8Ue4G+fHa359jcPb1u+ytAF+P2SCb+PxrjCdO3n3ZTxJ30zuH39rimUggmTwmh2u7wvQsDTHESnmfQ==" crossorigin="anonymous"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.20/lodash.min.js" integrity="sha512-90vH1Z83AJY9DmlWa8WkjkV79yfS2n2Oxhsi2dZbIv0nC4E6m5AbH8Nh156kkM7JePmqD6tcZsfad1ueoaovww==" crossorigin="anonymous"></script>
+
+  <script src="https://api-maps.yandex.ru/2.1/?apikey=ce936229-3ef4-41b1-96c0-270bcf8ff341&lang=ru_RU" type="text/javascript"></script>
+
+  <script src="{{ url_for('static', filename='autocomplete.js') }}"></script>
+  <script src="{{ url_for('static', filename='app.js') }}"></script>
+
+  <title>{% block title %}{% endblock %}</title>
+</head>
+<body class="h-100 mh-100">
+  <div class="container h-100 pt-4 pb-4">
+    <div class="h-100 d-flex flex-column bd-highlight">
+      <div>
+        <form class="mb-4" onsubmit="return false">
+          <div class="input-group">
+            <input type="text" class="form-control" id="queryInput" placeholder="Введите название препарата" autocomplete="off">
+            <button type="submit" class="btn btn-outline-primary" id="querySubmit">Поиск</button>
+          </div>
+        </form>
+      </div>
+      <div class="flex-grow-1" id="mapContainer">
+        <!-- maps -->
+      </div>
+    </div>
+  </div>
+  <div id="test">test</div>
+</body>
+</html>
\ No newline at end of file
diff --git a/app/templates/index.html b/app/templates/index.html
new file mode 100644
index 0000000..5cb6467
--- /dev/null
+++ b/app/templates/index.html
@@ -0,0 +1,2 @@
+{% extends "base.html" %}
+
diff --git a/app/test.py b/app/test.py
new file mode 100644
index 0000000..a0481e2
--- /dev/null
+++ b/app/test.py
@@ -0,0 +1,15 @@
+import acmespb
+import sys
+from pprint import pprint
+
+if __name__ == "__main__":
+    #pprint(acmespb.trade_names("Марена красильная корневища и корни"))
+    page = 1
+    pages = 0
+    target_url = None
+    while pages == 0 or page <= pages:
+        target_url, pages, offers = acmespb.offers("Верошпирон", page=page, target_url=target_url)
+        print("[%d] pages=%d, target_url=%s" % (page, pages, target_url))
+        for offer in offers:
+            print(offer.as_dict())
+        page += 1
\ No newline at end of file