229 lines
6.1 KiB
JavaScript
229 lines
6.1 KiB
JavaScript
'use strict';
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function innerProduct(values1, values2) {
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var result = 0;
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for (var feature in values1) {
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result += values1[feature] * (values2[feature] || 0.0);
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}
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return result;
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}
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function searchData(queryParams, minScore) {
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var results = [];
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for (var i = 0, count = DATA_RECORDS.length; i < count; ++i) {
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var record = DATA_RECORDS[i];
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var score = innerProduct(queryParams, record['rating']);
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if (score >= minScore) {
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results.push({
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name: record['name'],
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url: 'http://www.tripadvisor.com' + record['relativeUrl'],
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score: score
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});
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}
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}
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results.sort(function(a, b) {
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return b.score - a.score;
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});
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return results;
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}
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function searchStepper(range, steps, callback) {
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var stepSize = range.getLength() / steps;
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for (var i = 0; i < steps; ++i) {
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var stepMax = range.end - stepSize * i;
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var stepMin = stepMax - stepSize;
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var stepMid = (stepMin + stepMax) / 2;
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callback(stepMid);
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}
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}
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function searchProjection(queryParams, minScore, feature, range, steps) {
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var testParams = _.clone(queryParams);
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var results = [];
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searchStepper(range, steps, function(position) {
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testParams[feature] = position;
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results.push({
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'sample': position,
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'values': searchData(testParams, minScore)
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});
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});
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return results;
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}
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function searchProjection2d(queryParams, minScore, feature1, feature2, range, steps) {
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var testParams = _.clone(queryParams);
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var results = [];
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searchStepper(range, steps, function(sampleX) {
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testParams[feature1] = sampleX;
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searchStepper(range, steps, function(sampleY) {
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testParams[feature2] = sampleY;
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results.push({
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'sampleX': sampleX,
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'sampleY': sampleY,
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'values': searchData(testParams, minScore)
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});
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});
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});
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return results;
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}
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function searchBuildHints(queryParams, minScore, feature, range, steps) {
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var projection = searchProjection(
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queryParams,
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minScore,
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feature,
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range,
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steps
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);
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var hints = [];
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_.each(projection, function(result) {
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hints.push({
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'sample': result.sample,
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'count': result.values.length
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});
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});
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return hints;
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}
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function searchBuildHints2d(queryParams, minScore, feature1, feature2, range, steps) {
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var projection = searchProjection2d(
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queryParams,
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minScore,
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feature1,
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feature2,
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range,
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steps
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);
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var hints = [];
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_.each(projection, function(result) {
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hints.push({
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'sampleX': result.sampleX,
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'sampleY': result.sampleY,
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'count': result.values.length
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});
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});
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return hints;
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}
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function outputResults(results, maxResults) {
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$('#results').empty();
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$('#count').text(results.length);
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results = results.splice(0, maxResults);
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var template = Handlebars.compile($('#template').html());
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$('#results').append(template({'results': results}));
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}
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function onAdjust(name, value) {
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var wa = window.adjuster;
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var wg = window.grapher;
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wa.queryParams[name] = value;
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console.log(wa.queryParams);
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var hintData = {};
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_.each(wg.getColumnNames(), function(name) {
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hintData[name] = searchBuildHints(wa.queryParams, wa.minScore, name, wa.searchRange, wa.hintSteps);
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});
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wg.setColumnHints(hintData);
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var results = searchData(wa.queryParams, wa.minScore);
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outputResults(results, wa.maxResults);
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}
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function onSearch() {
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var params = {
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'keyword': $('#keyword').val(),
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'minScore': parseInt($('#minScore').val()),
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'hintSteps': parseInt($('#hintSteps').val()),
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'maxResults': parseInt($('#maxResults').val()),
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'useLocalScale': true,
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'useRelativeScale': true
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};
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$.getJSON('/node/search', params, function(results) {
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alert('searched');
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});
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// var queryParams = DATA_KEYWORDS[query];
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// var searchRange = new goog.math.Range(-1.0, 1.0);
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// var graphColumns = {};
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// for (var feature in queryParams) {
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// var hints = searchBuildHints(
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// queryParams,
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// minScore,
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// feature,
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// searchRange,
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// hintSteps
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// );
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// graphColumns[feature] = {
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// 'color': '#607080',
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// 'value': queryParams[feature],
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// 'hints': hints,
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// 'steps': hintSteps
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// }
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// }
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// window.adjuster = {
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// queryParams: queryParams,
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// searchRange: searchRange,
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// hintSteps: hintSteps,
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// minScore: minScore,
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// maxResults: maxResults
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// };
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// window.grapher = new Grapher('grapher', searchRange, useLocalScale, useRelativeScale);
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// window.grapher.setColumns(graphColumns);
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// window.grapher.setValueChangedListener(onAdjust);
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// var results = searchData(queryParams, minScore);
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// outputResults(results, maxResults);
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// $('#query').text(query);
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// $('#useLocalScale').prop('checked', useLocalScale);
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// $('#useRelativeScale').prop('checked', useRelativeScale);
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// $('#useLocalScale').click(function() {
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// var useLocalScale = $('#useLocalScale').is(':checked');
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// window.grapher.setUseLocalScale(useLocalScale);
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// });
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// $('#useRelativeScale').click(function() {
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// var useRelativeScale = $('#useRelativeScale').is(':checked');
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// window.grapher.setUseRelativeScale(useRelativeScale);
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// });
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// $('#input').fadeOut(function() {
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// $('#output').fadeIn();
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// });
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}
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$(document).ready(function() {
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$.getJSON('/node/keywords', function(keywords) {
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for (var i = 0; i < keywords.length; ++i) {
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$('#keyword').append($('<option></option>', {
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'value': keywords[i],
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'text': keywords[i]
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}));
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}
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$('#search').prop('disabled', false);
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$('#search').click(onSearch);
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});
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});
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