Windshaft-cartodb/tools/convert_database_styles
2013-06-06 11:59:11 +02:00

82 lines
2.0 KiB
JavaScript
Executable File

#!/usr/bin/env node
var path = require('path');
var grainstore = require('../node_modules/windshaft/node_modules/grainstore');
var mapnik = require('mapnik');
var redis = require('redis');
function usage(me, exitcode) {
console.log("Usage: " + me + " <database_name> <table_name> [<target_mapnik_version>]");
process.exit(exitcode);
}
var node_path = process.argv.shift();
var script_path = process.argv.shift();
var me = path.basename(script_path);
var database_name = process.argv.shift()
var table_name = process.argv.shift()
var MAPNIK_VERSION = process.argv.shift()
if ( ! MAPNIK_VERSION ) {
MAPNIK_VERSION = mapnik.versions.mapnik;
}
if ( ! database_name || ! table_name) {
usage(me, 1);
}
var REDIS_PORT = 6379; // TODO: make a command line parameter
var dbnum = 0;
var mml_store = new grainstore.MMLStore({port:REDIS_PORT}, {mapnik_version:MAPNIK_VERSION});
var failures = [];
var client = redis.createClient(REDIS_PORT, 'localhost');
client.on('connect', function() {
client.select(dbnum);
client.keys('map_style|' + database_name + '|' + table_name, function(err, matches) {
processNext = function() {
if ( ! matches.length ) process.exit(failures.length);
var k = matches.shift();
if ( /map_style\|.*\|.*\|/.test(k) ) {
//console.warn("Key " + k + " is EXTENDED, skipping");
processNext();
}
var out = 'map_style|' + database_name + '|' + table_name + ': ';
var mml_builder = mml_store.mml_builder({
dbname:database_name,
table:table_name},
function(err, payload) {
if ( err ) {
console.warn(out + err.message);
failures.push(k); processNext();
}
else {
mml_builder.resetStyle(function(err, data) {
if ( err ) {
console.warn(out + err.message);
failures.push(k);
}
else console.log(out + 'OK');
processNext();
}, true);
}
});
};
processNext();
});
});