61 lines
3.0 KiB
JavaScript
61 lines
3.0 KiB
JavaScript
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var BaseCollection = require('./data-observatory-base-collection');
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var BaseModel = require('builder/components/custom-list/custom-list-item-model');
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// Interpolation boundary tag filters geometries to only show full coverage geometries
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var FILTER_CLIPPED_GEOMS_IF_EXISTS = 'WHERE CASE WHEN EXISTS(SELECT 1 as cond FROM _data WHERE geom_tags ?\'boundary_type/tags.interpolation_boundary\' group by cond) THEN geom_tags ? \'boundary_type/tags.interpolation_boundary\' ELSE true END';
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var ORDER_CLAUSE_GEOMS = 'ORDER BY geom_weight::numeric DESC;';
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var COMMON_DATA_QUERY = 'bounds => (SELECT ST_SetSRID(ST_Extent(the_geom), 4326) FROM ({{{ query }}}) q), numer_id => {{{ measurement }}}, number_geometries => (SELECT CDB_EstimateRowCount(\'{{{ query }}}\')::INTEGER)';
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var BOUNDARIES_QUERY_PLAIN = 'WITH _data as (SELECT * FROM OBS_GetAvailableGeometries( ' + COMMON_DATA_QUERY + ' ) denoms WHERE valid_numer IS TRUE) SELECT *, rank() OVER (ORDER BY score DESC) FROM _data ' + FILTER_CLIPPED_GEOMS_IF_EXISTS + ' ' + ORDER_CLAUSE_GEOMS;
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var BOUNDARIES_QUERY_NORMALIZE = 'WITH _data as (SELECT * FROM OBS_GetAvailableGeometries(' + COMMON_DATA_QUERY + ', denom_id => {{{ denom_id }}}) denoms WHERE valid_numer IS TRUE AND valid_denom IS TRUE) SELECT *, rank() OVER (ORDER BY score DESC) FROM _data ' + FILTER_CLIPPED_GEOMS_IF_EXISTS + ' ' + ORDER_CLAUSE_GEOMS;
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var BOUNDARIES_QUERY_TIMESPAN = 'WITH _data as (SELECT * FROM OBS_GetAvailableGeometries(' + COMMON_DATA_QUERY + ', timespan => {{{ timespan }}}) denoms WHERE valid_numer IS TRUE AND valid_timespan = TRUE) SELECT *, rank() OVER (ORDER BY score DESC) FROM _data ' + FILTER_CLIPPED_GEOMS_IF_EXISTS + ' ' + ORDER_CLAUSE_GEOMS;
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var BOUNDARIES_QUERY_NORMALIZE_TIMESPAN = 'WITH _data as (SELECT * FROM OBS_GetAvailableGeometries(' + COMMON_DATA_QUERY + ', denom_id => {{{ denom_id }}}, timespan => {{{ timespan }}}) denoms WHERE valid_numer IS TRUE AND valid_denom IS TRUE AND valid_timespan is TRUE) SELECT *, rank() OVER (ORDER BY score DESC) FROM _data ' + FILTER_CLIPPED_GEOMS_IF_EXISTS + ' ' + ORDER_CLAUSE_GEOMS;
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module.exports = BaseCollection.extend({
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model: function (attrs, opts) {
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// label and val to custom list compatibility
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var o = {};
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o.val = attrs.geom_id;
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o.label = attrs.geom_name;
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o.rank = attrs.rank;
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return new BaseModel(o);
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},
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getLabels: function () {
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return this.pluck('label');
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},
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getValues: function () {
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return this.pluck('val');
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},
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getPreSelectedBoundaryValue: function () {
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var boundary = this.models.filter(
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function (boundary) { return boundary.attributes.rank === 1; }
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).shift();
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return boundary && boundary.attributes && boundary.attributes.val;
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},
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buildQuery: function (options) {
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if (options.denom_id != null && options.timespan != null) {
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return BOUNDARIES_QUERY_NORMALIZE_TIMESPAN;
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} else {
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if (options.denom_id != null) {
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return BOUNDARIES_QUERY_NORMALIZE;
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} else if (options.timespan != null) {
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return BOUNDARIES_QUERY_TIMESPAN;
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} else {
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return BOUNDARIES_QUERY_PLAIN;
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}
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}
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}
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});
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