From 280179806ad4426480032769f5296d3875044530 Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Wed, 12 Jan 2011 16:44:31 +0100
Subject: some cleanup, tests with bo

---
 src/nodejs/start.js | 73 +++++++++++++++++++++++++++++------------------------
 1 file changed, 40 insertions(+), 33 deletions(-)

diff --git a/src/nodejs/start.js b/src/nodejs/start.js
index 2cf923e..c664cfe 100644
--- a/src/nodejs/start.js
+++ b/src/nodejs/start.js
@@ -9,42 +9,49 @@ var http = require('http'),
 var connectionString = "pg://user:pass@localhost/xapi"
 
 
-function getDataBaseResult(tag,bbox,res){
-pg.connect(connectionString,function(err,client){
-    var the_result;
-    if(err){
-        console.log(err);
-    } else {
-        client.query(createQuery(tag,bbox),function(err,result){
-            if (err) {
-                console.log(err);
-            } else {
-                console.log(result);
-                res.write(result.rows);
-                res.end("/n");
-            }
-            
-        }); 
-    }
-});
+function getDataBaseResult(tag,bbox,res) {
+    pg.connect(connectionString,function(err,client) {
+	var the_result;
+
+	if (err) {
+            console.log(err);
+	}
+	else {
+            client.query(createQuery(tag,bbox),function(err,result) {
+		if (err) {
+                    console.log(err);
+		}
+		else {
+                    console.log(result);
+                    res.write(result.rows);
+                    res.end("\n");
+		}
+            });
+	}
+    });
 }
 
 
 function createQuery(tag,bbox){
     // FIXME: validate
-    var table = tag[0] + "#" + tag[1];
-    var filter = "";
+    // var table = tag[0] + "#" + tag[1];
+    // var filter = "";
+
+    // // input validation
+    // for(i=0;i<bbox.length;i++){
+    //     bbox[i] = parseFloat(bbox[i]);
+    // }
+
+    // if(bbox){
+    //     filter = "WHERE longitude > " + bbox[0] + " AND longitude < " + bbox[1] +
+    //              " AND latitude > " + bbox[2] + " AND latitude < " + bbox[3];
+    // }
 
-    // input validation
-    for(i=0;i<bbox.length;i++){
-        bbox[i] = parseFloat(bbox[i]);
-    }
 
-    if(bbox){
-        filter = "WHERE longitude > " + bbox[0] + " AND longitude < " + bbox[1] +
-                 " AND latitude > " + bbox[2] + " AND latitude < " + bbox[3];
-    } 
-    return "SELECT * FROM \"" + table + "\" " + filter + ";";
+    return "SELECT id, tags, linestring \
+	    FROM ways \
+	    WHERE (tags @> '\"amenity\"=>\"pub\"' AND \
+		lseg(linestring) @ box('(13.0882097323,52.3418234221)'::point,'(13.7606105539,52.6697240587)'::point));"
 }
 
 
@@ -67,13 +74,13 @@ http.createServer(function (req, res) {
     }
     base_url_re.exec(req.url);
     var type = RegExp.$1, url_rest = querystring.unescape(RegExp.$2);
-    
+
     var filters = [];
     while (v = filter_re.exec(url_rest)) {
         filters.push(v[1]);
     }
     console.log(filters);
-    
+
     var tag;
     var bbox;
 
@@ -90,10 +97,10 @@ http.createServer(function (req, res) {
     console.log(tag);
     console.log(bbox);
 
-    getDataBaseResult(tag,bbox,res);   
+    getDataBaseResult(tag,bbox,res);
 
     res.writeHead(200, {'Content-Type': 'text/plain; charset=utf8', });
-    
+
     res.write('URL was: ' + req.url + '\n');
     res.write('type: ' + type + '\n');
     res.write('filters:\n');
-- 
cgit v1.2.3