LsRetailProduct.php

class LsRetailProduct extends LsRetailVorurMigration {

    public function __construct($arguments) {
        parent::__construct($arguments);
        $this->description = t('Import products from LS Retail.');
        $this->dependencies = array(
            'LsRetailCategoriesTop',
            'LsRetailCategoriesSecond',
            'LsRetailCategoriesThird',
        );
        $this->team = array(
            new MigrateTeamMember('Kosmos og Kaos', 'samskipti@kosmosogkaos.is',
                t('Product Owner')),
            new MigrateTeamMember('Samúel Jón Gunnarsson', 'sammi@kosmosogkaos.is',
                t('Implementor')),
        );
        // Create a map object for tracking the relationships between source rows
        $this->map = new MigrateSQLMap($this->machineName,
            array(
                'No' => array(
                    'type' => 'varchar',
                    'length' => 45,
                    'not null' => TRUE,
                ),
            ),
            MigrateDestinationEntityAPI::getKeySchema('commerce_product', 'product')
        );

        // Create a MigrateSource object.
        //$this->source = new MigrateSourceCSV(drupal_get_path('module', 'lsretail_vorur') . '/import/products.csv', $this->csvcolumns(), array('header_rows' => 1), $this->fields());
        $query = db_select('lsretail_integration_product', 'p')
            ->fields('p',
                array(
                    'No',
                    'Blocked',
                    'Description',
                    'Description_2',
                    'Base_Unit_of_Measure',
                    'Item_Category_Code',
                    'Product_Group_Code',
                    'Inventory',
                    'Sales_Unit_of_Measure',
                    'Unit_Price_Including_VAT',
                    'Show_on_web',
                    'Hide_price_on_web',
                    'Inventory_control',
                    'Related_Items',
                    'Web_Item_Category',
                    'Product_Manager',
                    'Millifyrirsogn',
                    'Vorumyndir',
                    'BestDiscountPercent',
                    'BestDiscountPrice',
                ));
        //$query->condition('Show_on_web','true',$operator='=');

        $options = array('track_changes' => 1);
        $this->source = new MigrateSourceSQL($query, $this->fields(), NULL, $options);
        //$this->source = new MigrateSourceSQL($query);
        //$this->destination = new MigrateDestinationEntityAPI('commerce_product', 'product');
        $this->destination = new MigrateDestinationCommerceProduct('commerce_product', 'product');

        $this->addFieldMapping('title', 'Description_2');
        $this->addFieldMapping('sku', 'No');
        $this->addFieldMapping('commerce_price', 'Unit_Price_Including_VAT');
        $this->addFieldMapping('commerce_stock', 'Inventory');

        // Images
        $this->addFieldMapping('field_images', 'product_images');
        $this->addFieldMapping('field_images:file_replace')->defaultValue(FILE_EXISTS_REPLACE);
        $this->addFieldMapping('field_images:source_dir')->defaultValue('/mnt/Myndasafn');
        $this->addFieldMapping('uid', 'uid');
        $this->addFieldMapping('language', 'language');
    }

    function fields() {
        return array(
            'product_images' => 'An array of images, populated during prepareRow().',
        );
    }

    function prepareRow($row) {
        $row->product_images = explode(', ', $row->Vorumyndir);
        $row->uid = 1;
        $row->status = 1;
        $row->language = LANGUAGE_NONE;

        //$this->addOrUpdateRules($row->Description_2,$row->BestDiscountPercent, $row->No);

        $debug=FALSE;
        if($debug){
            watchdog('lsretail_vorur', t('Importing %sku'), array('%sku'=>$row->No), WATCHDOG_INFO);
        }
    }

    /**
     * SJG: 20150927
     * Here we are disabling products and product_display nodes as a precaution.
     * Afterwards in deleteStaleProducts() we delete all products and product_display nodes that can be deleted.
     * The remaining products and product_display are items that cannot be deleted if they have
     * a line item in order history are now unpublished and not visible in the store front.
     */
    public function preImport() {
        parent::preImport();
        // Code to execute before first article row is imported
        // from lsretail_integration
        deleteStaleProducts();
        $foo = 'bar';
    }

    public function postImport(){
    }
}