Create new magento Rest api to get category list in magento

Question

Does anyone know how to create new magento rest api to get category listing.

I already saw this link magento rest api but this not fetch category listings.

I

Answer 1

First create basic module using http://www.silksoftware.com/magento-module-creator/ this and then you have to create following file and add this file in given path.

Module path = app/code/local/Restapi/Categories

1) app/code/local/Restapi/Categories/etc/api2.xml

    
        
            
            10       
        
    
    
        
            catalog
            categories/api2_category
            
            10
            
                
                    1
               
                
                
                    1
               
                
                
                    1
               
                
            
            
                Category ID
                Name
                Category Parent ID
                Category Child List
                Active
                Level
                Position
            
            
                
                    /categories/:cat_id
                    collection
                
            
            1
        
    

Here cat_id is category id which we pass to fetch child category.

2) app/code/local/Restapi/Categories/Model/Api2/Category/Rest/Customer/V1.php

getRequest()->getParam('cat_id');

//  $cat_mod = Mage::getModel('catalog/category')->load($ruleId)->toArray();
    $cats = Mage::getModel('catalog/category')->load($ruleId);
    $subcats  = Mage::getModel('catalog/category')->load($ruleId)->getChildren();

    $cur_category = array();

    $node['category_id'] = $ruleId;
    $node['name'] = $cats->getName();
    $node['parent_id'] = $cats->getParentId();
    $node['child_id'] = $subcats;
    if($cats->getIsActive()){
        $node['active'] = 1;
    }else{
        $node['active'] = 0;
    }
    $node['level'] = $cats->getLevel();
    $node['position'] = $cats->getPosition();

    $cur_category[] = $node;

//  $subcats  = Mage::getModel('catalog/category')->load($ruleId)->getAllChildren();
//  $subcats  = Mage::getModel('catalog/category')->load($ruleId)->getChildren();

    if($subcats != '') 
    {
        foreach(explode(',',$subcats) as $subCatid)
        {
            $_category = Mage::getModel('catalog/category')->load($subCatid);
            $childcats  = Mage::getModel('catalog/category')->load($subCatid)->getChildren();

            $node['category_id'] = $subCatid;
            $node['name'] = $_category->getName();
            $node['parent_id'] = $_category->getParentId();
            $node['child_id'] = $childcats;
            if($_category->getIsActive()){
                $node['active'] = 1;
            }else{
                $node['active'] = 0;
            }
            $node['level'] = $_category->getLevel();
            $node['position'] = $_category->getPosition();

            $cur_category[] = $node;

        }
    }

    return $cur_category;       
}

you also add this same V1.php file in this path if you have other user like admin and guest.

app/code/local/Restapi/Categories/Model/Api2/Category/Rest/Admin/V1.php

app/code/local/Restapi/Categories/Model/Api2/Category/Rest/Guest/V1.php

Just you want to change the class path in V1.php file like Customer = Admin.