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Yves & Zed is the e-commerce platform of Project A Ventures.
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Introduction
Who?
Fabian Wesner$year >= 2012 CTO @ Project A Ventures
$year == 2011 CTO @ Rocket Internet$year == 2010 Lead developer @ Zalando
$year <= 2009 Entrepreneur and Freelancer
Project A VenturesBuilding successful companies.
Company Builder with focus on Internet, advertising technology and mobile.
www.project-a.com
Powered by Yves & Zed
Architecture
Bird‘s eye view
Layered architecture
Structured code with Bundles and Packages
Dependency management with composer
- Code is structured in packages
- Packages may require each other
- We use composer to manage dependencies
How to update Yves & Zed?(1) add a new version to a composer.json(2) run php composer.phar install
composer.json of dwh-package
{ "name": "project-a/dwh-package", "autoload": { "psr-0": { "ProjectA": "/src" } }, "require": { "php": ">=5.4.0", "project-a/auth-package": ">=0.0.10", "project-a/library-package": ">=0.0.27" }}
Dependency validation
Zed GUI
Zed user interface
Kendo UI + Bootstrap + jQueryminified and merged with Grunt
Cronjobs
Scalable job management with Jenkins
deployment
/* subscribe users for newsletters */ $jobs[] = array( 'name' => 'send_newsletter_subscription_queue', 'command' => '$PHP_BIN $CLI_PATH/ index.php --module=newsletter --controller=cronjob --action=sendsubscriptionqueue', 'schedule' => '*/2 * * * *', 'enable' => true, 'stores' => $all_stores, );
/* -- MAIL QUEUE -- */ $jobs[] = array( 'name' => 'send_queued_mails', 'command' => '$PHP_BIN $CLI_PATH/ index.php --module=mail -- controller=cronjob --action=send-queued-mails', 'schedule' => '* * * * *', 'enable' => true, 'stores' => $all_stores, );
/* -- DUMP DB -- */ $jobs[] = array( 'name' => 'generate_database_dump', 'command' => '$PHP_BIN $CLI_PATH/ index.php --module=dbdump --controller=cronjob --action=execute', 'schedule' => '0 0 * * *', 'enable' => true,
Logging
Logging with Lumberjack
Yves & Zed‘s Big Data infrastructure
Automated processing of orders
Visualization of business logic
Graph
protected function addTransitions(){ $this->setup->addTransition( self::STATE_NEW, self::STATE_PREAUTHORIZED, self::EVENT_START_PAYMENT, self::RULE_PAYMENT_TRANSACTION_APPROVED); $this->setup->addTransition( self::STATE_NEW, self::STATE_INVALID, self::EVENT_START_PAYMENT);}
protected function addCommands(){ $preAuthorizeCommand = $this->factory ->getModelOrderprocessCommandPaymentPreAuthorization(); $this->setup->addCommand( self::STATE_NEW, self::EVENT_START_PAYMENT, $preAuthorizeCommand);}
protected function addDefinitions(){ $subProcess = $this->factory ->getModelOrderprocessDefinitionSubProcessCancellation()
$this->setup->addDefinition($subProcess);}
PHP
Automatic processing of thousands of orders per day
Trigger eventsUsed in several controllers to start the state machine
$this->facadeSales->triggerEvent(„start payment“,items);
$this->facadeSales->triggerEventBulk($eventName,items);
Check conditionsDecision which way to go
Commands Classes with logic which are triggered from the state machine
+++ More details: Talk of Oliver Tischlinger tomorrow „Statemachine – Das Mittel gegen Flags!“ +++
class \Sao\Zed\Payment\Component\Condition\TransactionApproved{ /** @return bool */ public function check($orderItem, $context) { ... }}
class \Sao\Zed\Payment\Component\Command\PreAuthorization{ public function __invoke ($orderEntity, $context) { ... }}
Data-Warehouse
ETL / job scheduler
<job id="load-order-item-status"> <description>Copies the order item status table into the tmp table </description> <commands> <run-sql-file file-name="order-statuses/create-order-item-status-tmp-table.sql" echo-queries="false"/> <load-from-mysql mysql-database="zed" file-name="order-statuses/load-order-item-status.sql" target-table="tmp.order_item_status"/> </commands></job>
<job id="transform-order-item-status"> <description>Copies the order item status table into the dim schema </description> <dependencies> <dependency job="load-order-item-status"/> <dependency job="load-order-item-status-mapping"/> </dependencies> <commands> <run-sql-file file-name="order-statuses/transform-order-item-status.sql" echo-queries="false"/> </commands></job>
Order status mappingEvery color has a simple meaning!
Not paidItem returned
Paidetc.
<perspective name="Sales">
<status-group name="Not paid" description="The items are not yet paid" color="#557799"> <status ref="shipped"/> <status ref="waiting for payment"/> <status ref="capture"/> </status-group>
<status-group name="Paid" description="The items are paid" color="#559955"> <status ref="paid in money collect"/> <status ref="clarify refund overpayment"/> <status ref="closed"/> </status-group> </perspective> </status-mapping>
Entity–relationship model
DWH architecture
ETL DWH Cubes Reports
Thank you!