cartodb4/Windshaft-cartodb
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'master' into remove-step-user-limits

Browse Source
This commit is contained in:
Daniel García Aubert
2018-08-01 12:46:47 +02:00
parent b8d320c434 efad5b20e8
commit e27ed7e79d
1 changed files with 108 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/cartodb/backends/dataview.js
+108 -72
View File
@@ -1,7 +1,5 @@
var assert = require('assert');
var _ = require('underscore');
var PSQL = require('cartodb-psql');
var step = require('step');
var BBoxFilter = require('../models/filter/bbox');
var DataviewFactory = require('../models/dataview/factory');
var DataviewFactoryWithOverviews = require('../models/dataview/overviews/factory');
@@ -21,53 +19,76 @@ function DataviewBackend(analysisBackend) {
module.exports = DataviewBackend;
DataviewBackend.prototype.getDataview = function (mapConfigProvider, user, params, callback) {
const dataviewName = params.dataviewName;
var dataviewName = params.dataviewName;
step(
function getMapConfig() {
mapConfigProvider.getMapConfig(this);
},
function runDataviewQuery(err, mapConfig) {
assert.ifError(err);
mapConfigProvider.getMapConfig(function (err, mapConfig) {
if (err) {
return callback(err);
}
var dataviewDefinition = getDataviewDefinition(mapConfig.obj(), dataviewName);
if (!dataviewDefinition) {
throw new Error("Dataview '" + dataviewName + "' does not exists");
}
var dataviewDefinition = getDataviewDefinition(mapConfig.obj(), dataviewName);
if (!dataviewDefinition) {
const error = new Error(`Dataview '${dataviewName}' does not exists`);
error.type = 'dataview';
error.http_status = 400;
return callback(error);
}
if (!validFilterParams(params)) {
const error = new Error('Both own_filter and no_filters cannot be sent in the same request');
error.type = 'dataview';
error.http_status = 400;
return callback(error);
}
var pg;
var overrideParams;
var dataview;
try {
pg = new PSQL(dbParamsFromReqParams(params));
var query = getQueryWithFilters(dataviewDefinition, params);
var queryRewriteData = getQueryRewriteData(mapConfig, dataviewDefinition, params);
var dataviewFactory = DataviewFactoryWithOverviews.getFactory(overviewsQueryRewriter, queryRewriteData, {
bbox: params.bbox
});
dataview = dataviewFactory.getDataview(query, dataviewDefinition);
var ownFilter = +params.own_filter;
var noFilters = +params.no_filters;
if (Number.isFinite(ownFilter) && Number.isFinite(noFilters)) {
err = new Error();
err.message = 'Both own_filter and no_filters cannot be sent in the same request';
err.type = 'dataview';
err.http_status = 400;
overrideParams = getOverrideParams(params, !!ownFilter);
} catch (error) {
return callback(error);
}
dataview.getResult(pg, overrideParams, function (err, dataviewResult) {
if (err) {
return callback(err);
}
var pg = new PSQL(dbParamsFromReqParams(params));
var query = getDataviewQuery(dataviewDefinition, ownFilter, noFilters);
if (params.bbox) {
var bboxFilter = new BBoxFilter({column: 'the_geom_webmercator', srid: 3857}, {bbox: params.bbox});
query = bboxFilter.sql(query);
}
var queryRewriteData = getQueryRewriteData(mapConfig, dataviewDefinition, params);
var dataviewFactory = DataviewFactoryWithOverviews.getFactory(
overviewsQueryRewriter, queryRewriteData, { bbox: params.bbox }
);
var dataview = dataviewFactory.getDataview(query, dataviewDefinition);
dataview.getResult(pg, getOverrideParams(params, !!ownFilter), this);
},
function returnCallback(err, result) {
return callback(err, result);
}
);
return callback(null, dataviewResult);
});
});
};
function validFilterParams (params) {
var ownFilter = +params.own_filter;
var noFilters = +params.no_filters;
return !(Number.isFinite(ownFilter) && Number.isFinite(noFilters));
}
function getQueryWithFilters (dataviewDefinition, params) {
var ownFilter = +params.own_filter;
var noFilters = +params.no_filters;
var query = getDataviewQuery(dataviewDefinition, ownFilter, noFilters);
if (params.bbox) {
var bboxFilter = new BBoxFilter({column: 'the_geom_webmercator', srid: 3857}, {bbox: params.bbox});
query = bboxFilter.sql(query);
}
return query;
}
function getDataviewQuery(dataviewDefinition, ownFilter, noFilters) {
if (noFilters) {
return dataviewDefinition.sql.no_filters;
@@ -129,41 +150,56 @@ function getOverrideParams(params, ownFilter) {
}
DataviewBackend.prototype.search = function (mapConfigProvider, user, dataviewName, params, callback) {
step(
function getMapConfig() {
mapConfigProvider.getMapConfig(this);
},
function runDataviewSearchQuery(err, mapConfig) {
assert.ifError(err);
var dataviewDefinition = getDataviewDefinition(mapConfig.obj(), dataviewName);
if (!dataviewDefinition) {
throw new Error("Dataview '" + dataviewName + "' does not exists");
}
var pg = new PSQL(dbParamsFromReqParams(params));
var ownFilter = +params.own_filter;
ownFilter = !!ownFilter;
var query = (ownFilter) ? dataviewDefinition.sql.own_filter_on : dataviewDefinition.sql.own_filter_off;
if (params.bbox) {
var bboxFilter = new BBoxFilter({column: 'the_geom', srid: 4326}, {bbox: params.bbox});
query = bboxFilter.sql(query);
}
var userQuery = params.q;
var dataview = DataviewFactory.getDataview(query, dataviewDefinition);
dataview.search(pg, userQuery, this);
},
function returnCallback(err, result) {
return callback(err, result);
mapConfigProvider.getMapConfig(function (err, mapConfig) {
if (err) {
return callback(err);
}
);
var dataviewDefinition = getDataviewDefinition(mapConfig.obj(), dataviewName);
if (!dataviewDefinition) {
const error = new Error(`Dataview '${dataviewName}' does not exists`);
error.type = 'dataview';
error.http_status = 400;
return callback(error);
}
var pg;
var query;
var dataview;
var userQuery = params.q;
try {
pg = new PSQL(dbParamsFromReqParams(params));
query = getQueryWithOwnFilters(dataviewDefinition, params);
dataview = DataviewFactory.getDataview(query, dataviewDefinition);
} catch (error) {
return callback(error);
}
dataview.search(pg, userQuery, function (err, result) {
if (err) {
return callback(err);
}
return callback(null, result);
});
});
};
function getQueryWithOwnFilters (dataviewDefinition, params) {
var ownFilter = +params.own_filter;
ownFilter = !!ownFilter;
var query = (ownFilter) ? dataviewDefinition.sql.own_filter_on : dataviewDefinition.sql.own_filter_off;
if (params.bbox) {
var bboxFilter = new BBoxFilter({ column: 'the_geom', srid: 4326 }, { bbox: params.bbox });
query = bboxFilter.sql(query);
}
return query;
}
function getDataviewDefinition(mapConfig, dataviewName) {
var dataviews = mapConfig.dataviews || {};
return dataviews[dataviewName];