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I am building an ecommerce site name bookslab.in. I want to add the exception on add to cart button. If the zip code of the users are invalid then i want a pop message that says "Your zipcode is invalid so can't buy the product". I had a exception in zipcode field. I am providing the cod.phtml & view.phtml programs.

cod.phtml

<?php
/***************************************
 *** Cash On Delivery ***
 ***************************************
 *
 */

$msgData = Mage::helper('netgo_cod')->getConfigData(); 
if($msgData['zip_status'] == 1){
?>
<div class="input-box">
    <div class="z-btn">
        <label>Zip Code : </label><input type="text" placeholder="Enter your pincode" value="" name="cod" class="product-custom-option required-entry" id="cod" size="29" style='color:black; font-size:12px'>
        <button type="button" onclick="checkCOD();" name="zip-check" title="Check" class="button" id="zip-check"><span><span>Check</span></span></button>
    </div>
    <div id="cod_msg"></div>
</div>

<script>
    function checkCOD(){
             var zipcode;
        var cod = $('cod').value;
        if(cod == ''){
            $('cod_msg').update('<span class="cod-error"><?php echo $msgData['emp_msg']; ?></span>');
            return
        }else{
            $('cod_msg').update('<img src="<?php echo Mage::getBaseUrl( Mage_Core_Model_Store::URL_TYPE_WEB, true ).'media/cod/img/ajax-loader-2.gif';?>">'); 
            new Ajax.Request('<?php echo Mage::getBaseUrl().'netgo/cod/check';?>', {
                method:'post',
                parameters: {zipcode: cod}, 
                onSuccess: function(transport) {
                    var response = transport.responseText || "no response text";
                    $('cod_msg').update(response);

                    if(response.search('Delivery of the book is not available on the above pincode')!=-1)
                                        {
                                          zipcode='checked';
                                        }
                                      else
                                      {
                                      zipcode='';
                                      }

                },
                onFailure: function() { alert('Something went wrong...'); }
            });
        }
    }
</script>
<?php } ?>

view.phtml

<?php
/**
 */
?>
<?php $_helper = $this->helper('catalog/output'); ?>
<?php $_product = $this->getProduct(); ?>
<script type="text/javascript">
    var optionsPrice = new Product.OptionsPrice(<?php echo $this->getJsonConfig() ?>);
</script>
<div id="messages_product_view"><?php echo $this->getMessagesBlock()->toHtml() ?></div>
<div class="product-view">
    <div class="product-essential">
        <form action="<?php echo $this->getSubmitUrl($_product, array('_secure' => $this->_isSecure())) ?>" method="post" id="product_addtocart_form"<?php if($_product->getOptions()): ?> enctype="multipart/form-data"<?php endif; ?>>
            <?php echo $this->getBlockHtml('formkey') ?>
            <div class="no-display">
                <input type="hidden" name="product" value="<?php echo $_product->getId() ?>" />
                <input type="hidden" name="related_product" id="related-products-field" value="" />
            </div>

            <div class="product-img-box">
                <div class="product-name">
                    <h1><?php echo $_helper->productAttribute($_product, $_product->getName(), 'name') ?></h1>
                </div>
                <?php echo $this->getChildHtml('media') ?>
            </div>

            <div class="product-shop">
                <div class="product-name">
                    <span class="h1"><?php echo $_helper->productAttribute($_product, $_product->getName(), 'name') ?></span>
                </div>

                <div class="price-info">
                    <?php echo $this->getPriceHtml($_product); ?>
                    <?php echo $this->getChildHtml('bundle_prices') ?>
                    <?php echo $this->getTierPriceHtml() ?>
                </div>

                <div class="extra-info">
                    <?php echo $this->getReviewsSummaryHtml($_product, 'default', false)?>
                    <?php echo $this->getChildHtml('product_type_availability'); ?>
                </div>

                <?php echo $this->getChildHtml('alert_urls') ?>

                <?php if ($_product->getShortDescription()):?>
                    <div class="short-description">
                        <div class="std"><?php echo $_helper->productAttribute($_product, nl2br($_product->getShortDescription()), 'short_description') ?></div>
                    </div>
                <?php endif;?>




                <?php echo $this->getChildHtml('other');?>

                <?php if ($_product->isSaleable() && $this->hasOptions()):?>
                    <?php echo $this->getChildChildHtml('container1', '', true, true) ?>
                <?php endif;?>

            </div>

            <div class="add-to-cart-wrapper">
                <?php echo $this->getChildHtml('product_type_data') ?>
                <?php echo $this->getChildHtml('extrahint') ?>

                <?php if (!$this->hasOptions()):?>
                    <div class="add-to-box">
                        <?php if($_product->isSaleable()): ?>
                            <?php echo $this->getChildHtml('addtocart') ?>
                            <?php if( $this->helper('wishlist')->isAllow() || $_compareUrl=$this->helper('catalog/product_compare')->getAddUrl($_product)): ?>
                                <span class="or"><?php echo $this->__('OR') ?></span>
                            <?php endif; ?>
                        <?php endif; ?>
                        <?php echo $this->getChildHtml('addto') ?>
                        <?php echo $this->getChildHtml('sharing') ?>
                    </div>
                    <?php echo $this->getChildHtml('extra_buttons') ?>
                <?php elseif (!$_product->isSaleable()): ?>
                    <div class="add-to-box">
                        <?php echo $this->getChildHtml('addto') ?>
                        <?php echo $this->getChildHtml('sharing') ?>
                    </div>
                <?php endif; ?>
            </div>

            <?php echo $this->getChildHtml('related_products') ?>

            <div class="clearer"></div>
            <?php if ($_product->isSaleable() && $this->hasOptions()):?>
                <?php echo $this->getChildChildHtml('container2', '', true, true) ?>
            <?php endif;?>
        </form>
        <script type="text/javascript">
        //<![CDATA[
            var productAddToCartForm = new VarienForm('product_addtocart_form');
            productAddToCartForm.submit = function(button, url) {
                if (this.validator.validate()) {
                    var form = this.form;
                    var oldUrl = form.action;

                    if (url) {
                       form.action = url;
                    }
                    var e = null;
                    try {

                    this.form.submit();

                     } catch (e) {
                    }
                    this.form.action = oldUrl;
                    if (e) {
                        throw e;
                    }

                    if (button && button != 'undefined') {
                        button.disabled = true;
                    }
                }
            }.bind(productAddToCartForm);

            productAddToCartForm.submitLight = function(button, url){
                if(this.validator) {
                    var nv = Validation.methods;
                    delete Validation.methods['required-entry'];
                    delete Validation.methods['validate-one-required'];
                    delete Validation.methods['validate-one-required-by-name'];
                    // Remove custom datetime validators
                    for (var methodName in Validation.methods) {
                        if (methodName.match(/^validate-datetime-.*/i)) {
                            delete Validation.methods[methodName];
                        }
                    }

                    if (this.validator.validate()) {
                        if (url) {
                            this.form.action = url;
                        }
                        this.form.submit();
                    }
                    Object.extend(Validation.methods, nv);
                }
            }.bind(productAddToCartForm);
        //]]>
        </script>
    </div>

    <div class="product-collateral toggle-content tabs">
        <?php if ($detailedInfoGroup = $this->getChildGroup('detailed_info', 'getChildHtml')):?>
            <dl id="collateral-tabs" class="collateral-tabs">
                <?php foreach ($detailedInfoGroup as $alias => $html):?>
                    <dt class="tab"><span><?php echo $this->escapeHtml($this->getChildData($alias, 'title')) ?></span></dt>
                    <dd class="tab-container">
                        <div class="tab-content"><?php echo $html ?></div>
                    </dd>
                <?php endforeach;?>
            </dl>
        <?php endif; ?>
    </div>

    <?php echo $this->getChildHtml('upsell_products') ?>
    <?php echo $this->getChildHtml('product_additional_data') ?>

</div>

enter image description here

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In my opinion you should create custom block class and add it to proper phtml in xmls. Block should contains some custom logic checking the zip-code of customer, basing on session (you can get customer object from session). Then, according to results of method checking zip-code you can add message in session with redirect to refererer page (so the same page where you trigger 'add to cart' button if customer's zip code is not proper.

  • Can u please suggest me in my code which is provided – Salman Dalal Oct 23 '16 at 18:26
  • your code contains only phtmls. Please read something about creating a custom Block class. Next take a look how to add your custom block to templates. Then you can search something about messages in session in Magento. You should find all information withuot problem in tutorials. – Bartosz Kubicki Oct 23 '16 at 20:25
  • what type of tutorials you are talking abt? – Salman Dalal Oct 24 '16 at 13:39
  • any stacky's who suggest me in the code i provided – Salman Dalal Oct 24 '16 at 13:40

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