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108 lines
2.3 KiB
108 lines
2.3 KiB
/*!
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* Module requirements.
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*/
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'use strict';
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const castArraysOfNumbers = require('./helpers').castArraysOfNumbers;
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const castToNumber = require('./helpers').castToNumber;
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/*!
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* ignore
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*/
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exports.cast$geoIntersects = cast$geoIntersects;
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exports.cast$near = cast$near;
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exports.cast$within = cast$within;
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function cast$near(val) {
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const SchemaArray = require('../array');
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if (Array.isArray(val)) {
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castArraysOfNumbers(val, this);
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return val;
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}
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_castMinMaxDistance(this, val);
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if (val && val.$geometry) {
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return cast$geometry(val, this);
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}
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if (!Array.isArray(val)) {
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throw new TypeError('$near must be either an array or an object ' +
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'with a $geometry property');
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}
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return SchemaArray.prototype.castForQuery.call(this, val);
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}
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function cast$geometry(val, self) {
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switch (val.$geometry.type) {
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case 'Polygon':
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case 'LineString':
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case 'Point':
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castArraysOfNumbers(val.$geometry.coordinates, self);
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break;
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default:
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// ignore unknowns
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break;
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}
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_castMinMaxDistance(self, val);
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return val;
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}
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function cast$within(val) {
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_castMinMaxDistance(this, val);
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if (val.$box || val.$polygon) {
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const type = val.$box ? '$box' : '$polygon';
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val[type].forEach(arr => {
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if (!Array.isArray(arr)) {
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const msg = 'Invalid $within $box argument. '
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+ 'Expected an array, received ' + arr;
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throw new TypeError(msg);
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}
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arr.forEach((v, i) => {
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arr[i] = castToNumber.call(this, v);
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});
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});
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} else if (val.$center || val.$centerSphere) {
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const type = val.$center ? '$center' : '$centerSphere';
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val[type].forEach((item, i) => {
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if (Array.isArray(item)) {
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item.forEach((v, j) => {
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item[j] = castToNumber.call(this, v);
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});
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} else {
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val[type][i] = castToNumber.call(this, item);
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}
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});
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} else if (val.$geometry) {
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cast$geometry(val, this);
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}
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return val;
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}
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function cast$geoIntersects(val) {
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const geo = val.$geometry;
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if (!geo) {
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return;
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}
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cast$geometry(val, this);
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return val;
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}
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function _castMinMaxDistance(self, val) {
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if (val.$maxDistance) {
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val.$maxDistance = castToNumber.call(self, val.$maxDistance);
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}
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if (val.$minDistance) {
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val.$minDistance = castToNumber.call(self, val.$minDistance);
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}
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}
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