With WooCommerce Smart Plug integration you can view your customer's order history right from within Freshchat . 

For instructions on how to add a smart plug, refer Working with Smart Plugs.

Sample code snippet:

<script>
var store_details = {
  // WooCommerce Domain
  domain: 'WooCommerce Domain',
  // WooCommerce Consumer Key
  cs_key: 'consumer key',
  // WooCommerce Consumer Secret
  cs_secret: 'consumer secret key'
};
</script>
<style>
.Logo2 {
  width: 40px;
  display: inline;
}
.mainTitle {
  display: inline-block;
}
#woo-commerce-banner {
  cursor: pointer;
}
div#woo-commerce-main-content {
    font-size: 15px;
}
.show-field {
  margin-bottom: 8px;
  border-bottom: 1px solid #dadada;
  list-style: none;
}
.show-field .break-word {
  word-wrap: break-word;
  word-break: break-word;
}
.field-label {
  font-weight: 800;
  margin-bottom: 3px;
  display: block;
}
.field-value {
  display: block;
}
a#custom_show_more {
 display: none;
 padding: 0;
 height: auto;
 text-align: center;
 cursor: pointer;
}
ul#extra {
  display: none;
}
ul#initial {
  padding: 0px;
}
ul#extra {
  padding: 0px;
}
.preloader_main {
  text-align: center;
  padding: 30px;
}
#woo-commerce-banner {
  cursor: pointer;
  padding-bottom: 5px;
}
#woo-commerce-content-tab {
  padding-top: 15px;
  border-top: 0.2px solid #3864af;
}
</style>

<div id="woo-commerce-main">
  <div id="woo-commerce-banner">
    <img class="Logo2" src="http://www.iconninja.com/files/567/537/200/logo-development-js-coding-woocommerce-script-icon.svg">
    <h4 class="mainTitle">WooCommerce</h4>
  </div>
  <div id="woo-commerce-content-tab" style="display:none;">
    <div id="woo-commerce-main-content">
      <ul id="initial" class="show-fields">
      </ul>
      <a id="custom_show_more">Show more</a>
      <ul id="extra" class="show-fields">
    </div>
    <div id="woo-commerce-error">
      <div class="error-message">
      </div>
    </div>
  </div>
</div>
<script>
var wcWidget = (function($, window, email) {
  if (window.WOO_COMMERCE_WIDGET) {
    window.WOO_COMMERCE_WIDGET.setItUp(email); // pass conversation / user info here
    return window.WOO_COMMERCE_WIDGET;
  }
  var wcWidgetMain = WOO_COMMERCE_WIDGET = {
    fcEmail: '',
    reqHeader: {
      "Authorization": "Basic " + btoa(store_details.cs_key + ":" + store_details.cs_secret),
      "Content-Type": "application/json"
    },
    pre_loader: "<div class='preloader_main'><img src='https://dl.dropbox.com/s/6oxuta50xyfkpfs/712.gif'/></div>",
    customerRequest: '',
    initialize: function() {
      console.log('Init Woocommerce');
    },
    setItUp: function(email) {
      console.log('setItUp');
      this.fcEmail = email;
      this.customerRequest = false;
      console.log('User Email is : '+this.fcEmail);
      // this.getUserId("arjun@freshdesk.com");
      // this.getUserId(email);
    },
    bindFunction: function(scope, fn) {
      return function () {
        fn.apply(scope, arguments);
      };
    },
    expandDetails: function() {
      console.log('Click');
      var _self = this;
      $('#woo-commerce-content-tab').toggle('slow');
      if (this.fcEmail && this.fcEmail.length > 0) {
        console.log('Email present');
        if (this.customerRequest === false) {
          jQuery('#woo-commerce-main-content #initial').html(this.pre_loader);
          this.getUserId(this.fcEmail);
        }
        else {
          console.log('Ignore since already loaded');
        }
      }
      else {
        console.log('No Email present');
        this.showErrorMessage();
      }
    },
    getUserId: function(email) {
      var _self = this;
      $.ajax({
        method: "POST",
        url: "/app/extension_proxy",
        processData: false,
        // async: false,
        data: JSON.stringify({
          url: 'https://'+store_details.domain+'/wc-api/v2/customers/email/'+email,
          method : "GET",
          headers: _self.reqHeader,
        }),
        success: function(data,response, header,xhr, headers) {
          console.log('User get Success');
          _self.customerRequest = true;
          _self.wcUserInfo(data);
        },
        error: function(data) {
          console.log('Error on user search');
          failure = data;
        }
      });
    },
    wcUserInfo: function(data) {
      user = data;
      var start = '<li class="show-field"><div class="field-label break-word">';
      var middle  = '</div><div class="field-value break-word">';
      var end   = '</div></li>';
      content = "";
      var billing_address = data.customer.billing_address.company+' '+
                            data.customer.billing_address.address_1+' '+
                            data.customer.billing_address.address_1+' '+
                            data.customer.billing_address.postcode+' '+
                            data.customer.billing_address.city+' '+
                            data.customer.billing_address.state+' '+
                            data.customer.billing_address.country;

      var shipping_address = data.customer.shipping_address.company+' '+
                            data.customer.shipping_address.address_1+' '+
                            data.customer.shipping_address.address_1+' '+
                            data.customer.shipping_address.postcode+' '+
                            data.customer.shipping_address.city+' '+
                            data.customer.shipping_address.state+' '+
                            data.customer.shipping_address.country;

      content += start + "Created On" + middle + moment(data.customer.created_at).format('Do[,] MMMM YYYY [at] hh:mm A') + end ;
      content += start + "First Name" + middle + ((data.customer.first_name.length > 0) ? data.customer.first_name : 'N/A') + end;
      content += start + "Last Name" + middle + ((data.customer.last_name.length > 0) ? data.customer.last_name : 'N/A') + end;
      content += start + "Email" + middle + ((data.customer.email.length > 0) ? data.customer.email : 'N/A') + end;
      content += start + "Last Order Date" + middle + ((data.customer.last_order_date != null) ? moment(data.customer.last_order_date).format('Do[,] MMM YYYY [at] hh:mm A') : 'No Order(s)') + end ;
      content += start + "Last Order ID" + middle + ((data.customer.last_order_id != null) ? data.customer.last_order_id : 'No Order(s)') + end ;

      jQuery('.preloader_main').remove();
      $('ul#initial').html(content);
      $('#custom_show_more').css('display','block');

      content = "";
      content += start + "Total Spent" + middle + ((data.customer.total_spent != 0) ? data.customer.total_spent : 'NIL') + end ;
      content += start + "Total Number of Orders" + middle + ((data.customer.orders_count != 0) ? data.customer.orders_count : 'No Order(s)') + end ;
      content += start + "Role" + middle + data.customer.role + end ;
      content += start + "Username" + middle + ((data.customer.username.length> 0) ? data.customer.username : 'N/A')  + end;
      content += start + "Billing Address Country" + middle + ((billing_address.trim().length > 0) ? billing_address : 'N/A') + end;
      content += start + "Shipping Address Country" + middle + ((shipping_address.trim().length > 0) ? shipping_address : 'N/A') + end;

      $('ul#extra').html(content);

    },
    show_more: function(){
      var text = $("#custom_show_more").text();
      if(text == "Show more"){
        $("#custom_show_more").text('Show less');
      }
      else{
        $("#custom_show_more").text('Show more');
      }
      $('ul#extra').toggle();
    },
    showErrorMessage: function() {
      var template = '<div id="message-content>No User Email Present"</div>';
      $('.error-message').html(template);
    }
  };
  wcWidgetMain.initialize();
    setTimeout(function() {
      wcWidgetMain.setItUp(email);
    }, 100);
    return wcWidgetMain;
})(jQuery, window, "{{user.email}}");
window.fcAgent.events.addEventListeners({
  "events": [
    { "event":"click", selector:"#woo-commerce-banner", callback: wcWidget.bindFunction(wcWidget,wcWidget.expandDetails) },
    { "event":"click", selector:"#custom_show_more", callback: wcWidget.bindFunction(wcWidget,wcWidget.show_more) },
    // { "event":"click", selector:"#closeBtn", callback: sbsWidget.bindFunction(sbsWidget,sbsWidget.closeModal) },
    // { "event":"click", selector:"#bein_calls", callback: sbsWidget.bindFunction(sbsWidget,sbsWidget.openModal) },
    // { "event":"click", selector:"#bein_contracts", callback: sbsWidget.bindFunction(sbsWidget,sbsWidget.openModal) }
  ]
});
</script>