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Date handling and general readability/efficiency improvements #5

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d04d90b
Fix issues with JSON handling
alexbfree Mar 17, 2015
80603bd
add handling for 1348dates, and other improvements
alexbfree Mar 17, 2015
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93 changes: 71 additions & 22 deletions lib/jsoncsv.js
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Original file line number Diff line number Diff line change
@@ -1,51 +1,100 @@
(function() {
var JsonCsv,
__hasProp = Object.prototype.hasOwnProperty,
__extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor; child.__super__ = parent.prototype; return child; };
__extends = function(child, parent) {
for (var key in parent) {
if (__hasProp.call(parent, key)) child[key] = parent[key];
}

function ctor() {
this.constructor = child;
}
ctor.prototype = parent.prototype;
child.prototype = new ctor;
child.__super__ = parent.prototype;
return child;
};

JsonCsv = (function(_super) {

__extends(JsonCsv, _super);

function JsonCsv() {
JsonCsv.__super__.constructor.apply(this, arguments);
return JsonCsv.__super__.constructor.apply(this, arguments);
}

JsonCsv.prototype.parse = function(data, columns, cb) {
var column, csv, field, i, index, j, json, line, _i, _j, _len, _len2;
if (data == null) return cb('error no data');
if (columns == null) return cb('error please provide columns as options');
data = JSON.stringify(data);
json = JSON.parse(data);
data = JSON.parse(data);
json = data[Object.keys(data)[0]];
for (_i = 0, _len = json.length; _i < _len; _i++) {
j = json[_i];
delete j['_events'];
delete j['_id'];
delete j['id'];
}
csv = '';
line = columns.join(',') + '\r\n';
csv = columns.join(',') + '\r\n';
i = 0;
while (i < json.length) {
for (index in json[i]) {
if (json[i][index] !== void 0 && typeof json[i][index] === 'object') {
for (_j = 0, _len2 = columns.length; _j < _len2; _j++) {
column = columns[_j];
field = json[i][index]["" + column];
if (field !== void 0) line += field + ",";
if (field === null || field === void 0) line += ",";
}
} else {
if (json[i] !== void 0) {
if (json[i][index] !== void 0) line += json[i][index] + ",";
line = "";
if (typeof json[i] != "undefined") {
var jsonObj = json[i];
for (var ci = 0; ci < columns.length; ci++) {
column = columns[ci];
if (jsonObj.hasOwnProperty(column)) {
if (typeof jsonObj[column] != "undefined") {
var fieldValue = jsonObj[column];
if (typeof fieldValue === 'object') {
if (column == "time") {
firstKey = Object.keys(fieldValue)[0];
if (firstKey == "$$date") {
var timestamp = new Date(fieldValue[firstKey]);
var year = timestamp.getFullYear();
var month = timestamp.getMonth() + 1;
if (month < 10) {
month = ("0" + month).slice(-2);
}
var date = timestamp.getDate();
if (date < 10) {
date = ("0" + date).slice(-2);
}
var hour = timestamp.getHours();
if (hour < 10) {
hour = ("0" + hour).slice(-2);
}
var min = timestamp.getMinutes();
if (min < 10) {
min = ("0" + min).slice(-2);
};
var sec = timestamp.getSeconds();
if (sec < 10) {
sec = ("0" + sec).slice(-2);
};
var msec = timestamp.getMilliseconds();
if (msec < 10) {
msec = (msec + "00").slice(-3);
} else {
if (msec < 100) {
msec = (msec + "0").slice(-3);
}
}
fieldValue = year + '-' + month + '-' + date + 'T' + hour + ':' + min + ':' + sec + '.' + msec + 'Z';
}
}
}
line += fieldValue;
}
}
i = i + 1;
line += ",";
}
}
line += '\r\n';
i++;
line = line.slice(0, - 1);
csv += line + "\r\n";
}
line.slice(0, line.Length - 1);
csv += line + "\r\n";

return cb(null, csv);
};

Expand All @@ -55,4 +104,4 @@

module.exports = new JsonCsv();

}).call(this);
}).call(this);
9 changes: 5 additions & 4 deletions src/jsoncsv.coffee
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Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,8 @@ class JsonCsv extends require('events').EventEmitter
# columns should be array of json nodes
return cb('error no data') unless data?
return cb('error please provide columns as options') unless columns?
data = JSON.stringify(data)
json = JSON.parse(data)
data = JSON.parse(data)
json = data[Object.keys(data)[0]]
for j in json
delete j['_events']
delete j['_id']
Expand All @@ -26,8 +26,9 @@ class JsonCsv extends require('events').EventEmitter
line += "," if field == null or field == undefined
else
if json[i] != undefined
line += json[i][index] + "," if json[i][index] != undefined
i = i + 1
line += json[i][index] if json[i][index] != undefined
line += "," if columns.slice(-1)[0] != index
i = i + 1
line += '\r\n'

line.slice 0, line.Length - 1
Expand Down