// create new model : param1 - model table , param2 : primary model key
// (default : null)
/*
    $task = new Task("tasks","id");
*/

// set task vars
/*
    $task->title = "abc";
    $task->pos = 2;
*/

// get task vars
/*
    $task->title;
*/

// fetch record data from database to the model object : param1 - value of primary key to search
/*
    $task->fetch(13);
*/

// update model data
/*
    $task->title = "new title";
    $task->content = "new !!!";
    $task->save(); // will update database record
*/

// delete database record of a model
/*
    $task->delete();
*/

// insert new record
/*
    $task->title = "ada";
    $task->content = "Adasda";
    $task->pos = 5;
    $task->insert(); // will insert new record to tasks table in the database
*/

// get json string of a model
/*
    $task->toJSON();
*/

// set model table
/*
    $task->setTable("tasks");
*/

// set model table primary key
/*
    $task->setPrimary("id");
*/

// create collection : param1 - Model name , param2 - Model database table , param3 - Primary model key , param4 - create models from db ? (default : false)
/*
    $Tasks = new DirectCollection("Task","tasks","id",true);
*/

// create models
/*
    $Tasks->create(function($task){
        $task->title = "first";
        $task->pos = 3;
        $task->content = "xx";
        return $task;
    },function($task){
        $task->title = "second";
        $task->pos = 4;
        $task->content = "yy";
        return $task;
    });
*/

// add model
/*
    $t = new Task();
    $t->title = "some title";
    $t->content = "ada";
    $t->pos = 5;
    $Tasks->add($t);
*/

// add array of models
/*
    $Tasks->addModels(array($t,$t2,$t3));
*/

// get model by by primary key
/*
    $Tasks->get(13);
*/

// get model by index value
/*
    $Tasks->at(1);
*/

// get all models
/*
    $all = $Tasks->models();
*/

// loop on models
/*
    $Tasks->each(function($task){
        // code here
    });
*/

// remove model by attribute (default : primary key)
/*
    $Tasks->remove(13); // $primary_key == 13
    $Tasks->remove("abc","title"); // title == "abc"
*/

// remove all models
/*
    $Tasks->removeAll();
*/

// remove model by index value
/*
    $Tasks->removeAt(2);
*/

// pluck model attribute
/*
    $titles = $Tasks->pluck("title");
*/

// get json string of all models
/*
    $Tasks->toJSON();
*/

// filter models by condition
/*
    // for example all tasks that the pos is bigger then 1
    $f = $Tasks->filter(function($task){
        return $task->pos > 1; // if true this model will be in the $f array
    },true); // if you want to get a new collection from the filtered array add true (default : false)
*/

// count models
/*
    $Tasks->count();
*/

// get the first model
/*
    $Tasks->first();
*/

// get the last model
/*
    $Tasks->last();
*/

// get random model
/*
    $Tasks->rand();
*/

// grab all data from database table and create models instances
/*
    $Tasks->createAll();
*/

// fetch method on each model
/*
    $Tasks->fetchAll();
*/

// save method on each model
/*
    $Tasks->saveAll();
*/

// insert method on each model
/*
    $Tasks->insertAll();
*/

// delete method on each model
/*
    $Tasks->deleteAll();
*/

// sort models : param1 - attribute , param2 - type of sort (default : "ASC",options : "ASC"|"DESC")
/*
    // for example sort tasks by id DESC
    $Tasks->sort("id","DESC");

    // for example sort tasks by title ASC
    $Tasks->sort("title");
*/