Initial commit

app/scripts/libs/airports.js

@@ -0,0 +1,75 @@
+'use strict';
+define([
+  'jquery',
+  'lodash',
+  'config'
+], function ($, _, config) {
+  var airportById = function (element, callback) {
+    $.get('http://localhost:8000/search.php?i=' + element.val(), null, function (data) {
+      callback(data[0]);
+    });
+  };
+
+  var data = function (term, page) {
+    return {
+      s: term
+    };
+  };
+
+  var results = function (data, page) {
+    return {results: data};
+  };
+
+  var findArea = function (icao) {
+    for (var i = 0; i < config.parameters.length; ++i) {
+      var param = config.parameters[i];
+      if (param.regex && icao.match(param.regex)) {
+        return i;
+      }
+    }
+    return config.parameters.length - 2;
+  };
+
+  var selectArea = function (fromCode, toCode) {
+    var outside = config.parameters.length - 2;
+    if (fromCode === outside && toCode === outside) {
+      return config.parameters.length - 1;
+    }
+    return Math.max(fromCode, toCode);
+  };
+
+  var selectRange = function (dist) {
+    for (var i = 0; i < config.distanceRanges.length; ++i) {
+      if (config.distanceRanges[i].min && dist <= config.distanceRanges[i].min) {
+        return i;
+      }
+    }
+    return 0;
+  };
+
+  // Should select "greater of two", finland to western europe -> west europe
+  // west europe to south europe -> south europe
+  var parameters = function (from, to, range) {
+    var i = selectArea(findArea(from.icao), findArea(to.icao));
+    var p = config.parameters[i];
+    return {
+      name: p.name,
+      co2factor: p.co2factor[range],
+      ltoCycle: p.ltoCycle[range],
+      load: p.load[range],
+      freight: p.freight[range]
+    };
+  };
+
+  return {
+    ajax: {
+      url: config.api + '/search.php',
+      dataType: 'json',
+      data: data,
+      results: results
+    },
+    airportById: airportById,
+    selectRange: selectRange,
+    parameters: parameters
+  };
+});