initial commit

3 files changed, 343 insertions, 0 deletions

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