PHP Framework for Learning

Process flow (5/5 All 5 patterns) | FollowProcess flow Submenu

2017-11-25 release

2021-03-09 update

  • http://mini-blog.localhost/user/user3URL'Follow' button
  • SeeCheckpoint | Object-Orientation← point

  • Follow http://mini-blog.localhost/followFollow button
  • Seescreen  SeeTest Data
  • Login User ID: user1, Password: password
  • index.php1require'../bootstrap.php'set autoloadit is omitted belowSeeAccount registration screen (User registration screen)
  • index.php1require'../MiniBlogApplication.php'it is omitted below
  • index.php1newMiniBlogApplication$app = new MiniBlogApplication(false)it is omitted below
  • index.php1run(MiniBlogApplication.php)
  • Application (core)2run
  • $params = $this->router->resolve($this->request->getPathInfo())details↓
  • Request (core)3getPathInfo'/follow'SeeCheckpoint | Request
  • Request (core)4getBaseUrl
  • Request (core)5getRequestUri
  • Request (core)4getRequestUri
  • Router (core)3resolve'account', 'follow'$params['controller'], $params['action']SeeCheckpoint | Router← point
  • Application (core)3runAction'account', 'follow'
  • Application (core)4findController!class_exists'AccountController'
  • ClassLoader (core)5loadClass'AccountController'require'AccountController.php'/core  /models
  • Application (core)5getControllerDir
  • MiniBlogApplication6getRootDir
  • Application (core)5require_once'AccountController.php'/controllersSeeCheckpoint | Application
  • class AccountController extends Controller
  • ClassLoader (core)6loadClass'Controller'
  • ClassLoader (core)7require'Controller.php'
  • return new $controller_class($this)new use variabledetails↓
  • Application (core)5new$controller_class = 'AccountController'MiniBlogApplication
  • Controller (core)6__constructMiniBlogApplicationSeeCheckpoint | Controller
  • Application (core)7getRequest
  • Application (core)7getResponse
  • Application (core)7getSession
  • Application (core)7getDbManager
  • $content = $controller->run($action, $params)details↓
  • Controller (core)4run(AccountController)'account', 'follow''followAction'
  • needsAuthentication($action) && isAuthenticated()denyNot Logindetails↓
  • $auth_actions = array('index', 'signout', 'follow') (AccountController.php line 10)
  • Controller (core)5needsAuthentication'follow'trueLogin Necessary
  • Session (core)5isAuthenticated
  • Session (core)6gettrue'_authenticated'Login Deny false
  • Process start --- before Action start↘Process flow is almost the same except Controller and Actiononly Transition to Login, add Exception

  • $content = $this->$action_method($params)    variable functions$content = AccountController->followAction()
  • AccountController5followActionAction start
  • Request (core)6isPosttruePOSTfalse Not POST forward404()
  • Request (core)6getPost'following_name'$following_name 'user3'
  • if (!$following_name)No follow name forward404()
  • Request (core)6getPost'_token'Contribution list http://mini-blog.localhost/user/user3 generateCsrfTokenSeeCheckpoint | Request
  • Controller (core)6checkCsrfToken'account/follow'trueTokenfalse None Token redirect('/user/' . $following_name)SeeCheckpoint | Controller
  • Session (core)7get'csrf_tokens/account/follow'SeeCheckpoint | Session
  • Session (core)7set'csrf_tokens/account/follow'
  • $follow_user = $this->db_manager->get('User')->fetchByUserName($following_name)$following_name 'user3'$follow_user 'user3' 1 record details↓
  • DbManager (core)6get'User'get('User') 1stUserRepository
  • DbManager (core)7getConnectionForRepository'User'DbManager->repository_connection_map['User']
  • DbManager (core)8getConnection
  • DbManager (core)8getConnectionreturn current(DbManager->connections)DbManager->connections['master'] = $con↙
  • DbManager (core)7getConnectionForRepositoryreturn $con
  • $repository = new $repository_class($con)new use variabledetails↓
  • DbManager (core)7new$repository_class = 'UserRepository'$con
  • ClassLoader (core)8loadClass'UserRepository'
  • ClassLoader (core)9require'UserRepository.php'
  • class UserRepository extends DbRepository
  • ClassLoader (core)10loadClass'DbRepository'
  • ClassLoader (core)11require'DbRepository.php'
  • DbRepository (core)8__construct'$con'
  • DbRepository (core)9setConnectionUserRepository->con = $con↗
  • DbManager (core)6getDbManager->repositories['User']=>UserRepository
  • DbManager (core)6getreturn DbManager->repositories['User']
  • UserRepository6fetchByUserName$following_name 'user3'$follow_user 'user3' 1 recordSeeTest DataSeeSQL
  • DbRepository (core)7fetch'user3'SeeCheckpoint | DbRepository
  • DbRepository (core)8execute
  • UserRepository6fetchByUserName
  • if (!$follow_user)No follow forward404()
  • Session (core)6get'user1' 1 record (Login user)$user
  • $following_repository = $this->db_manager->get('Following')FollowingRepositorydetails↓
  • DbManager (core)6get'Following'get('Following') 1stFollowingRepository
  • DbManager (core)7getConnectionForRepository'Following'DbManager->repository_connection_map['Following']
  • DbManager (core)8getConnection
  • DbManager (core)8getConnectionreturn current(DbManager->connections)DbManager->connections['master'] = $con↙
  • DbManager (core)7getConnectionForRepositoryreturn $con
  • $repository = new $repository_class($con)new use variabledetails↓
  • DbManager (core)7new$repository_class = 'FollowingRepository'$con
  • ClassLoader (core)8loadClass'FollowingRepository'DbRepository loaded
  • ClassLoader (core)9require'FollowingRepository.php'
  • DbRepository (core)8__construct'$con'
  • DbRepository (core)9setConnectionFollowingRepository->con = $con↗
  • DbManager (core)6getDbManager->repositories['Following']=>FollowingRepository
  • DbManager (core)6getreturn DbManager->repositories['Following']
  • if ($user['id'] !== $follow_user['id'] && !$following_repository->isFollowing($user['id'], $follow_user['id'])details↓
  • $user['id']: 1, $follow_user['id']: 3SeeTest Data
  • FollowingRepository6isFollowingfalse denytrueSeeSQL
  • DbRepository (core)7fetchSeeCheckpoint | DbRepository
  • DbRepository (core)8execute
  • isFollowing (true: Follow, false: No Follow) denytrue: No Follow
  • FollowingRepository6isFollowing
  • $following_repository->insert($user['id'], $follow_user['id'])details↓
  • FollowingRepository6insert1, 3$user['id'], $follow_user['id']SeeTest DataSeeSQL
  • DbRepository (core)7executeSeeCheckpoint | DbRepository
  • FollowingRepository6insert
  • Controller (core)6redirect'/account'
  • Request (core)7isSslfalse
  • Request (core)7getHost
  • Request (core)7getBaseUrl
  • Request (core)8getRequestUri
  • $urlhttp://mini-blog.localhost/account
  • Response (core)7setStatusCode
  • Response (core)7setHttpHeader
  • Controller (core)6redirect
  • AccountController5followActionreturn AccountController->...Action end

  • Controller (core)4runreturn $content$content: null
  • Response (core)4setContentResponse->content = $content
  • Application (core)3runAction
  • Response (core)3sendecho Response->content
  • Application (core)2run
  • DbManager (core)2__destruct

note showing $this
e.g. $this->request  →  MiniBlogApplication->request



SQL

check SQL (phpMyAdmin, select SQL TAB)  http://localhost/phpmyadmin/db_sql.php?db=mini_blog

fetchByUserName

SELECT * FROM user WHERE user_name = 'user3'
id user_name password created_at
3 user3 ee5281d035bd1bd7786301be4274a68b006ae916 2017-11-01 00:00:00

isFollowing

SELECT COUNT(user_id) as count
    FROM following
    WHERE user_id = 1
        AND following_id = 3
count 0
(reference) following table
user_id following_id
1 2

insert

INSERT INTO following VALUES(1, 3)
user_id following_id
1 3

Mini Blog Application

Follow

http://mini-blog.localhost/follow
Creation
procedure		 class
Database UserRepository
FollowingRepository
FollowingRepository		 fetchByUserName
isFollowing
insert
Routing MiniBlogApplication '/follow' =>
  array('controller' => 'account', 'action' => 'follow')
Controller AccountController followAction
View file
AccountController   followAction
function class method
Check Request isPost POST check
- if (!$following_name) No follow name
Controller checkCsrfToken('account/follow', $token) Token check
- if (!$follow_user) No follow
- if ($user['id'] !== $follow_user['id'] 1, 3
FollowingRepository isFollowing($user['id'], $follow_user['id']) 1, 3
  (deny false) true
Data set
Data get Request Contribution list http://mini-blog.localhost/user/user3
getPost('following_name') 'user3'
  (Contribution list $user['user_name'])
getPost('_token') '4b710f10e11206dd0e5ba2b23fea9c993b20a6c3'
DbManager get('User') UserRepository
UserRepository fetchByUserName($following_name) 'user3' 1record
Session get('user') Login user ('user1' 1record)
DbManager get('Following') FollowingRepository
Data output FollowingRepository insert($user['id'], $follow_user['id']) 1, 3
Screen Controller forward404() 404 error screen
  (POST error, No follow name error, No follow error)
Controller redirect('/account') Account information (Logined error)
redirect('/user/user3') Contribution list (Token error)
redirect('/account') Account information

Login User ID: user1, Password: password.
You input http://mini-blog.localhost/user/user3 in URL, 'Follow' button screen is displayed.

Follow

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