some utils

lib/sequelize/utils.js

+var Utils = module.exports = {
+  _: require("underscore"),
+  addTicks: function(s) {
+    return '`' + s + '`'
+  },
+  isHash: function(obj) {
+    return (typeof obj == 'object') && !obj.hasOwnProperty('length')
+  },
+  getDataTypeForValue: function(value) {
+    var DataTypes = require("./data-types")
+    
+    switch(typeof value) {
+      case 'number':
+        return (value.toString().indexOf('.') > -1) ? DataTypes.FLOAT : DataTypes.INTEGER
+        break
+      case 'boolean':
+        return DataTypes.BOOLEAN
+        break
+      case 'object':
+        return (value.getMilliseconds) ? DataTypes.DATE : "WTF!"
+        break
+      default: 
+        return DataTypes.TEXT
+        break
+    }
+  },
+  transformValueByDataType: function(value, dataType) {
+    var DataTypes = require("./data-types")
+    
+    if((value == null)||(typeof value == 'undefined')||((dataType.indexOf(DataTypes.INTEGER) > -1) && isNaN(value)))
+      return "NULL"
+
+    if(dataType.indexOf(DataTypes.FLOAT) > -1)
+      return (typeof value == 'number') ? value : parseFloat(value.replace(",", "."))
+
+    if(dataType.indexOf(DataTypes.BOOLEAN) > -1)
+      return (value === true ? 1 : 0)
+
+    if(dataType.indexOf(DataTypes.INTEGER) > -1)
+      return value
+
+    if(dataType.indexOf(DataTypes.DATE) > -1)
+      return ("'" + Utils.asSqlDate(value) + "'")
+
+    return ("'" + value + "'")
+  },
+  asSqlDate: function(date) {
+    return [
+      [
+        date.getFullYear(),
+        ((date.getMonth() < 9 ? '0' : '') + (date.getMonth()+1)),
+        ((date.getDate() < 10 ? '0' : '') + date.getDate())
+      ].join("-"),
+      date.toLocaleTimeString()
+    ].join(" ")
+  }
+}
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