HTML/Web Storage
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Prototyping Library
//prototyping for string format
;String.prototype.format||(function(){
String.prototype.format = function() {
var args = arguments;
return this.replace(/{(\d+)}/g, function(match, number) {
return typeof args[number] != 'undefined' ? args[number] : match;
});
};
})();
//prototyping for console info
;String.prototype.info||(function(){
String.prototype.info = function() {
if(console && console.info){
console.info(this.toString());
}
return this;
};
})();
Proprietary Library
//chorke main namespace/package
var Chorke=Chorke||(function(me){
me = {
$class : 'Chorke',
$package : 'Default',
meta : function(ns, tpl){
tpl = '{\n "package" : "{0}",\n "class" : "{1}"\n}';
return tpl.format(ns.$package, ns.$class);
}
};
return me;
})(),
//chorke alias name
CKi=CKi||(function($, me){
me = $;
me.$origin = $.meta($);
me.$class = 'CKi';
me.$meta = function(){return me.meta(me)};
me.hasDB = function(){return typeof(Storage)!=='undefined'};
me.isNone = function(o){return me.isNull(o)||me.isUndefine(o)};
me.isNull = function(o){return me.getType(o)==='[object Null]'};
me.isDate = function(o){return me.getType(o)==='[object Date]'};
me.isArray = function(o){return me.getType(o)==='[object Array]'};
me.getType = function(o){return Object.prototype.toString.call(o)};
me.isNumber = function(o){return me.getType(o)==='[object Number]'};
me.isObject = function(o){return me.getType(o)==='[object Object]'};
me.isRegExp = function(o){return me.getType(o)==='[object RegExp]'};
me.isString = function(o){return me.getType(o)==='[object String]'};
me.isBoolean = function(o){return me.getType(o)==='[object Boolean]'};
me.isFunction = function(o){return me.getType(o)==='[object Function]'};
me.isUndefine = function(o){return me.getType(o)==='[object Undefined]'};
me.isEmpty = function(o){return me.isNone(o)||(me.isString(o)&&o.trim()==='')||(me.isArray(o)&&o.length===0)
||(me.isObject(o)&&(function(p,f){f=true;for(p in o){if(o.hasOwnProperty(p)){f=false}}return f}()))
};
return me;
})(Chorke);
Database Engine
//chorke database engine
;CKi.db||(function($, win, me, session, local){
session = win && win.sessionStorage;
local = win && win.localStorage;
me = {
$package : 'CKi',
$class : 'CKi.db',
$meta : function(){return $.meta(me)},
truncate : function(name, secured, store){
if($.hasDB() && name && (store = secured ? session : local)){
if(!$.isEmpty(me.findAll(name, secured))) store.removeItem(name);
}
},
findAll : function(name, secured, store){
if($.hasDB() && name && (store = secured ? session : local)){
return JSON.parse(store.getItem(name));
}
},
saveAll : function(name, data, secured, store){
if($.hasDB() && name && data && (store = secured ? session : local)){
store.setItem(name, JSON.stringify(data));
return true;
}
},
findBy : function(name, where, secured, records, index, record, field, match, result){
records = me.findAll(name, secured);
if($.isEmpty(where)){
return records;
} else if(!$.isEmpty(records)&&$.isArray(records)){
result = [];
for(index=0;index<records.length;index++){
record=records[index];
if(!$.isEmpty(record)&&$.isObject(record)){
if($.isNumber(where)||$.isString(where)){
if(record.hasOwnProperty('id')&&(record.id===where)) return record;
} else if($.isObject(where)){
match=true;
for(field in where){
match = record.hasOwnProperty(field)&&(record[field]!==where[field]) ? false : match;
}
if(match) result.push(record);
}
}
}
return !$.isEmpty(result) ? result : null;
}
},
deleteBy : function(name, where, secured, records, index, record, field, match, result){
records = me.findAll(name, secured);
if(!$.isEmpty(where)&&!$.isEmpty(records)&&$.isArray(records)){
result = [];
for(index=0;index<records.length;index++){
record=records[index];
if(!$.isEmpty(record)&&$.isObject(record)){
if($.isNumber(where)||$.isString(where)){
if(record.hasOwnProperty('id')&&(record.id!==where)) result.push(record);
} else if($.isObject(where)){
match=true;
for(field in where){
match = record.hasOwnProperty(field)&&(record[field]!==where[field]) ? false : match;
}
if(!match) result.push(record);
}
}
}
if(!$.isEmpty(result)){
me.saveAll(name, result, secured);
} else {
me.truncate(name, secured);
}
}
}
};
$.db = me;
})(CKi, window);
Local Database
//permanent/local storage database
;CKi.db.pdb||(function($, me){
me = {
$package : 'CKi.db',
$class : 'CKi.db.pdb',
$meta : function(){return $.meta(me)},
truncate : function(name){
if($.hasDB() && name){
$.db.truncate(name);
}
},
findAll : function(name){
if($.hasDB() && name){
return (me[name] = $.db.findAll(name));
}
},
saveAll : function(name, data){
if($.hasDB() && name && data){
return $.db.saveAll(name, (me[name] = data));
}
},
findBy : function(name, where){
if($.hasDB() && name && where){
return $.db.findBy(name, where);
}
},
deleteBy : function(name, where){
if($.hasDB() && name && where){
$.db.deleteBy(name, where);
me.findAll(name);
}
}
};
$.db.pdb = me;
})(CKi);
Session Database
//temporary/session storage database
;CKi.db.sdb||(function($, secured, me){
me = {
$package : 'CKi.db',
$class : 'CKi.db.sdb',
$meta : function(){return $.meta(me)},
truncate : function(name){
if($.hasDB() && name && secured){
$.db.truncate(name, secured);
}
},
findAll : function(name){
if($.hasDB() && name && secured){
return (me[name] = $.db.findAll(name, secured));
}
},
saveAll : function(name, data){
if($.hasDB() && name && data && secured){
return $.db.saveAll(name, (me[name] = data), secured);
}
},
findBy : function(name, where){
if($.hasDB() && name && where){
return $.db.findBy(name, where, secured);
}
},
deleteBy : function(name, where){
if($.hasDB() && name && where){
$.db.deleteBy(name, where, secured);
me.findAll(name);
}
}
};
$.db.sdb = me;
})(CKi, true);
Checking Output
//insert/store data into client db
CKi.db.sdb.saveAll('T00I00', [{id: 1, name: 'Selina'}, {id: 2, name: 'Daliya'}]);
CKi.db.pdb.saveAll('T00I00', [{id: 1, name: 'Raiyan'}, {id: 2, name: 'Rashid'}]);
//retrieve data from client db
CKi.db.sdb.findAll('T00I00');
CKi.db.pdb.findAll('T00I00');
CKi.db.pdb.findBy('T00I00', 1)
CKi.db.pdb.findBy('T00I00', {id: 1})
CKi.db.sdb.findBy('T00I00', {id: 2, name: 'Daliya'})
CKi.db.pdb.deleteBy('T00I00', 1)
CKi.db.pdb.deleteBy('T00I00', {id: 1})
CKi.db.sdb.deleteBy('T00I00', {id: 2, name: 'Daliya'})