Cakefest 2020 Workshop 1 and 4

Cakefest 2020 Workshops 1 & 4 slides

Transcript

1. CakeFest 2020 Virtual Event Workshop 1
2. Workshop 1 • 4x2h sessions (this is the first one) • Starting from scratch • Slides and code • Code - https:/ /github.com/cakephp/cakefest2020/ (check branches) • Database - https:/ /bit.ly/3jB8qeU • Slides - TBD
3. About Jorge González @steinkelz • CakePHP Developer at CakeDC jorge.gonzalez@cakedc.com https:/ /www.cakedc.com • Trainer at Cake Software Foundation https:/ /training.cakephp.org
4. CakePHP Introduction • Setting up a development environment • Configuration • Example application • Baking our application CRUD
5. Setup dev environment I • Requirements $ sudo apt install -y php-cli php-intl php-mbstring php-mysql php-sqlite3 mysql-server zip php-imap php-curl php-zip // setup composer $ composer create-project cakephp/app • Or use any bundle package 5
6. Setup dev environment II • vagrant box https:/ /www.cakedc.com/jorge_gonzalez/2018/01/17/using-a-vagrant-box-as-quick-environment-for-the-getti ng-started-with-cakephp-training-session (old but working, then you'll need to install postgresql) 6
7. Setup dev environment III • docker / docker-compose • PostgreSQL 13 as a dependency • PHP stack as a dependency 7
8. Composer • Create a CakePHP 4 project • https:/ /github.com/cakephp/app • composer install • run App\Console\Installer::postInstall $ composer create-project cakephp/app cakefest Installing... … Do you want to remove the existing VCS (.git, .svn..) history? [Y,n]? ←Y $ cd cakefest && cat composer.json {skeleton} 8
9. Start dev environment • Add configuration for docker-compose.yaml • https:/ /bit.ly/2SINQ0t • Dependencies defined in code, inside your project and shared with your team $ docker-compose up # list containers running $ docker-compose ps • Navigate to http:/ /localhost:8099/ 9
10. Configuration • Application class • CakePHP Bootstrap • config/bootstrap.php • config/app.php • The environment • We configured our default datasource via environment already! 10
11. Media server • Bake an admin CRUD • Explore CakePHP MVC • Model: Tables & Entities • Controllers • Views
12. $ curl -L https://bit.ly/3jB8qeU | docker exec -i postgres psql -Umy_app • Schema download URL: https:/ /bit.ly/3jB8qeU • Import schema Database schema 12
13. 13 Database conventions • Plurals • Underscores • _id
14. $ docker exec -i cakephp /application/bin/cake bake all --everything Bake Shell • Build a CRUD for our tables 14
15. Generated Admin CRUD • Tables and Entities for each database table under src/model/{Table | Entity} • Controllers for each CRUD action under src/Controller • Templates for each action under templates/{Controller}/{action} • Note the .php extension for templates 15
16. • DebugKit • dd() • Debugger • Logger • The query log Debug & Log 16
17. • Table • Associations • Validation • Callbacks • Entity • Accessing fields CakePHP model layer 17
18. • Validation when an Entity is created/modified: “validationDefault()” • Validation when an Entity is saved: “buildRules()” • newEntity() vs newEmptyEntity() CakePHP validation 18
19. • Password length > 8 characters Entity validation 19
20. • Hash password on user creation Password hashing 20
21. Authentication • New Plugins • Login • Ajax Login 21
22. • cakephp/authentication https:/ /github.com/cakephp/authentication • Identification and authentication: Who are you? • cakephp/authorization https:/ /github.com/cakephp/authorization • Authorization: Are you allowed? New plugins 22
23. • New classes and interfaces • Separation of concerns • PSR-15 Middleware, it happens before your Controller logic • Store identity in the Request • AuthenticationService cakephp/authentication 23
24. • Password • Others • Ldap • Token • JwtSubject • Callback Identifiers 24
25. • Session (P) • Form • Others • Cookie (P) • HttpBasic (S) • HttpDigest (S) • Token (S) • Jwt (S) Authenticators 25
26. • AuthenticationMiddleware::process() • AuthenticationService::authenticate() • First valid result wins • Persist the identity if not stateless • Redirect based on unauthenticated or login redirect The authentication process 26
27. • Password based identifiers • Session and Form authenticators Auth Configuration 27
28. • Configure application to use Authentication • Access authentication results • Check identity • Fix authentication to use email instead of username • Finish the login action • Bring the user groups via auth finder • Add logout Log the user in 28
29. • Add login form • Configure ajax request (javascript) • Prepare login action to handle application/json Ajax Login 29
30. Uploading files • New action and form • Simple upload using a Behavior 30
31. • Update the Files/add.php template File upload form 31
32. • Move the file to a local folder • Configure Upload Behavior 32
33. Questions ?
34. Thank You ありがとうございました。 Gracias
35. • Refactor metadata field to use Json type • Using db migrations • Working with cells Extra ball 35
36. Using Migrations Handling your schema changes • Initial migration • Baking migrations • Working with migrations
37. Working with cells Totals • Create stats cell per user • Render the cell in the layout • Cache the cell 37
38. • What’s a cell • When are cells useful Cells Intro All-in-one for lightweight processing 38
39. • Bake a new cell for stats • Implement stats logic • Render the cell in the layout • OR use CounterCache StatsCell Total files per user {cell}
40. • Cache drivers • Groups • Invalidation CakePHP Cache Intro & config 40
41. Working with queues Using a Queue for background processing 41
42. About Mark Scherer @dereuromark • CakePHP Core Developer • Software Architect @ Spryker Systems GmbH
43. • Response time when triggering unrelated or long running jobs • Re-Run for error prone jobs (emails, API) • Scaling and parallelization Queue ‘ Why use deferred execution? 43
44. • We use https:/ /github.com/dereuromark/cakephp-queue here • For some basic demos see https:/ /sandbox.dereuromark.de • More queue plugins see awesome list ( github.com/FriendsOfCake/awesome-cakephp ) Queue Asynchronous background processing 44
45. Install the plugin (composer) Install the schema/tables $ bin/cake migrations migrate -p Queue Queue Setup 45
46. Check the dashboard: /admin/queue Let’s prepare IDE autocomplete $ bin/cake phpstorm generate $ bin/cake code_completion generate Queue Usage 46
47. Send emails - Contact Form - Register - New message Main requirements: - removed from main execution - rerun on errors Queue Basic Usage 47
48. Upload media - Process the video/image/PDF, create thumbnails - Workflow for auto-publish and admin-confirmed one - Notifications to involved parties Main requirements: - Allow workflow to be extended easily - Automate as much as possible Queue Advanced usage 48
49. Let’s add migrations $ bin/cake bake migration MigrationMedia id title type processed published created modified Queue Usage 49
50. Workshop end Thank you all! 50