| 1 | module.exports = function(cb){
|
| 2 |
|
| 3 | var env = this;
|
| 4 | var config = env.config;
|
| 5 | if(!config.neo4j) return cb();
|
| 6 |
|
| 7 | var neo4j = require('neo4j-io')("http://"+(config.neo4j.host || "localhost")+":"+(config.neo4j.port || 7474));
|
| 8 | var cypher = 'MATCH (n:NODE) RETURN n LIMIT 1';
|
| 9 | neo4j
|
| 10 | .query(cypher)
|
| 11 | .then(function(){
|
| 12 | env.engines.neo4j = neo4j;
|
| 13 | env.i.do("log.sys", "ne04j", "Connected to Neo4J on "+(config.neo4j.host || "localhost")+":"+(config.neo4j.port||5432));
|
| 14 | cb();
|
| 15 | })
|
| 16 | .catch(function(err){
|
| 17 | cb(err);
|
| 18 | });
|
| 19 |
|
| 20 | neo4j.format = function(query, data, cb){
|
| 21 | if (!data) return query;
|
| 22 | if(data.options) query = query.replace(/(@\w+)/g, function (txt, key){
|
| 23 | key = key.slice(1);
|
| 24 | if(data.options.hasOwnProperty(key)) {
|
| 25 | if(typeof data.options[key] === "function") return data.options[key].call(data.context, data.values, data.options);
|
| 26 | else return data.options[key];
|
| 27 | }
|
| 28 | return txt;
|
| 29 | });
|
| 30 |
|
| 31 | if(data.values) query = query.replace(/([#]\w+)/g, function (txt, key){
|
| 32 | key = key.slice(1);
|
| 33 | if(data.values.hasOwnProperty(key)) return escape(data.values[key]);
|
| 34 | return txt;
|
| 35 | });
|
| 36 |
|
| 37 | return query;
|
| 38 | }
|
| 39 |
|
| 40 | neo4j.escape = escape;
|
| 41 |
|
| 42 | function escape(val){
|
| 43 | if(Array.isArray(val)){
|
| 44 | var self = this;
|
| 45 | return val.map(function(v, index, val){return escape(val[index]);}).join(",");
|
| 46 | }
|
| 47 | else{
|
| 48 | if(typeof val === "number") return val.toString();
|
| 49 | else return "\""+val.toString().replace(/\\/g, "\\\\").replace(/"/g, "\\\"")+"\"";
|
| 50 | }
|
| 51 | }
|
| 52 |
|
| 53 |
|
| 54 |
|
| 55 | } |
| \ | No newline at end of file |