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api
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refactor text parsing to seperate module

pull/242/head
Peter Johnson 9 years ago
parent
c0f20aabd3
commit
155337eb3f
2 changed files with 112 additions and 99 deletions
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  1. 121
      query/search.js
  2. 90
      query/text_parser.js

121
query/search.js
Unescape View File

@ -1,7 +1,7 @@
var peliasQuery = require('pelias-query'),
defaults = require('./defaults'),
adminFields = require('../helper/adminFields')();
textParser = require('./text_parser');
//------------------------------
// general-purpose search query
@ -69,13 +69,13 @@ function generateQuery( clean ){
// focus viewport
// @todo: change these to the correct request variable names
// @todo: calculate the centroid from the viewport box
// if( clean.focus.viewport ){
// var vp = clean.focus.viewport;
// vs.set({
// 'focus:point:lat': vp.min_lat + ( vp.max_lat - vp.min_lat ) / 2,
// 'focus:point:lon': vp.min_lon + ( vp.max_lon - vp.min_lon ) / 2
// });
// }
if( clean.focus && clean.focus.viewport ){
var vp = clean.focus.viewport;
vs.set({
'focus:point:lat': vp.min_lat + ( vp.max_lat - vp.min_lat ) / 2,
'focus:point:lon': vp.min_lon + ( vp.max_lon - vp.min_lon ) / 2
});
}
// boundary rect
if( clean.bbox ){
@ -89,102 +89,25 @@ function generateQuery( clean ){
// boundary circle
// @todo: change these to the correct request variable names
// if( clean.boundary.circle ){
// vs.set({
// 'boundary:circle:lat': clean.boundary.circle.lat,
// 'boundary:circle:lon': clean.boundary.circle.lon,
// 'boundary:circle:radius': clean.boundary.circle.radius + 'm'
// });
// }
if( clean.boundary && clean.boundary.circle ){
vs.set({
'boundary:circle:lat': clean.boundary.circle.lat,
'boundary:circle:lon': clean.boundary.circle.lon,
'boundary:circle:radius': clean.boundary.circle.radius + 'm'
});
}
// boundary country
// @todo: change these to the correct request variable names
// if( clean.boundary.country ){
// vs.set({
// 'boundary:country': clean.boundary.country
// });
// }
if( clean.boundary && clean.boundary.country ){
vs.set({
'boundary:country': clean.boundary.country
});
}
// address parsing
// run the address parser
if( clean.parsed_text ){
// is it a street address?
var isStreetAddress = clean.parsed_text.hasOwnProperty('number') && clean.parsed_text.hasOwnProperty('street');
if( isStreetAddress ){
vs.var( 'input:name', clean.parsed_text.number + ' ' + clean.parsed_text.street );
}
// I don't understand this
else if( clean.parsed_text.admin_parts ) {
vs.var( 'input:name', clean.parsed_text.name );
}
// or this..
else {
console.warn( 'chaos monkey asks: what happens now?' );
console.log( clean );
try{ throw new Error(); } catch(e){ console.error( e.stack ); } // print a stack trace
}
// ==== add parsed matches [address components] ====
// house number
if( clean.parsed_text.hasOwnProperty('number') ){
vs.var( 'input:housenumber', clean.parsed_text.number );
}
// street name
if( clean.parsed_text.hasOwnProperty('street') ){
vs.var( 'input:street', clean.parsed_text.street );
}
// postal code
if( clean.parsed_text.hasOwnProperty('postalcode') ){
vs.var( 'input:postcode', clean.parsed_text.postalcode );
}
// ==== add parsed matches [admin components] ====
// city
if( clean.parsed_text.hasOwnProperty('city') ){
vs.var( 'input:admin2', clean.parsed_text.city );
}
// state
if( clean.parsed_text.hasOwnProperty('state') ){
vs.var( 'input:admin1_abbr', clean.parsed_text.state );
}
// country
if( clean.parsed_text.hasOwnProperty('country') ){
vs.var( 'input:alpha3', clean.parsed_text.country );
}
// ==== deal with the 'leftover' components ====
// @todo: clean up this code
// a concept called 'leftovers' which is just 'admin_parts' /or 'regions'.
var leftoversString = '';
if( clean.parsed_text.hasOwnProperty('admin_parts') ){
leftoversString = clean.parsed_text.admin_parts;
}
else if( clean.parsed_text.hasOwnProperty('regions') ){
leftoversString = clean.parsed_text.regions.join(' ');
}
// if we have 'leftovers' then assign them to any fields which
// currently don't have a value assigned.
if( leftoversString.length ){
var unmatchedAdminFields = adminFields.slice();
// cycle through fields and set fields which
// are still currently unset
unmatchedAdminFields.forEach( function( key ){
if( !vs.isset( 'input:' + key ) ){
vs.var( 'input:' + key, leftoversString );
}
});
}
textParser( clean.parsed_text, vs );
}
return query.render( vs );

90
query/text_parser.js
Unescape View File

@ -0,0 +1,90 @@
var adminFields = require('../helper/adminFields')();
/**
@todo: refactor me
**/
// all the address parsing logic
function addParsedVariablesToQueryVariables( parsed_text, vs ){
// is it a street address?
var isStreetAddress = parsed_text.hasOwnProperty('number') && parsed_text.hasOwnProperty('street');
if( isStreetAddress ){
vs.var( 'input:name', parsed_text.number + ' ' + parsed_text.street );
}
// ?
else if( parsed_text.admin_parts ) {
vs.var( 'input:name', parsed_text.name );
}
// ?
else {
console.warn( 'chaos monkey asks: what happens now?' );
console.log( parsed_text );
try{ throw new Error(); } catch(e){ console.error( e.stack ); } // print a stack trace
}
// ==== add parsed matches [address components] ====
// house number
if( parsed_text.hasOwnProperty('number') ){
vs.var( 'input:housenumber', parsed_text.number );
}
// street name
if( parsed_text.hasOwnProperty('street') ){
vs.var( 'input:street', parsed_text.street );
}
// postal code
if( parsed_text.hasOwnProperty('postalcode') ){
vs.var( 'input:postcode', parsed_text.postalcode );
}
// ==== add parsed matches [admin components] ====
// city
if( parsed_text.hasOwnProperty('city') ){
vs.var( 'input:admin2', parsed_text.city );
}
// state
if( parsed_text.hasOwnProperty('state') ){
vs.var( 'input:admin1_abbr', parsed_text.state );
}
// country
if( parsed_text.hasOwnProperty('country') ){
vs.var( 'input:alpha3', parsed_text.country );
}
// ==== deal with the 'leftover' components ====
// @todo: clean up this code
// a concept called 'leftovers' which is just 'admin_parts' /or 'regions'.
var leftoversString = '';
if( parsed_text.hasOwnProperty('admin_parts') ){
leftoversString = parsed_text.admin_parts;
}
else if( parsed_text.hasOwnProperty('regions') ){
leftoversString = parsed_text.regions.join(' ');
}
// if we have 'leftovers' then assign them to any fields which
// currently don't have a value assigned.
if( leftoversString.length ){
var unmatchedAdminFields = adminFields.slice();
// cycle through fields and set fields which
// are still currently unset
unmatchedAdminFields.forEach( function( key ){
if( !vs.isset( 'input:' + key ) ){
vs.var( 'input:' + key, leftoversString );
}
});
}
}
module.exports = addParsedVariablesToQueryVariables;
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