[module.department.save] => [module.department.version] refactor + POST split into POST & PUT + used API 'error' return field BIGUPDATE

This commit is contained in:
xdrm-brackets 2018-03-17 14:34:16 +01:00
parent 466d197246
commit e221452295
3 changed files with 318 additions and 146 deletions

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@ -1,140 +0,0 @@
<?php
/**
* Created by PhpStorm.
* User: lucas
* Date: 15/03/18
* Time: 15:50
*/
namespace api\module\department;
use database\core\Repo;
use database\repo\department;
use Ifsnop\Mysqldump\Mysqldump;
class saveController
{
private $backupPath = "";
private $originDBName = "";
private function initDir(string $dbName){
//match preview_DATABASENAME_sha1 in order to determine if we init the directory or not
$matches = [];
$reg = preg_match("/preview_(\w*)_\w*/",$dbName,$matches);
//if the dbname match we store the original database name
if($reg == 1){
$dbName = $matches[1];
}
$this->originDBName = $dbName;
if(!is_dir(__BACKUP__."/$dbName/")){
mkdir(__BACKUP__."/$dbName/");
}
$this->backupPath =__BACKUP__."/$dbName/";
}
private function scandir(string $path) : array {
//scan the directory
$arr = scandir($path);
//strip the useless "." and ".."
unset($arr[0],$arr[1]);
//make the arry start at 0 again
$arr = array_values($arr);
return $arr;
}
public function get($args){
$this->initDir($_SESSION["CurrentDatabase"]);
//strip extensions
$backupNames = array_map(function($e){
return pathinfo($e, PATHINFO_FILENAME);
}, $this->scandir($this->backupPath));
return ["data" => $backupNames];
}
public function delete($args){
$this->initDir($_SESSION["CurrentDatabase"]);
$backupName = "";
extract($args);
return ["success" => unlink($this->backupPath.$backupName.".sql")];
}
public function post($args){
$this->initDir($_SESSION["CurrentDatabase"]);
$backupName = "";
$apply = false;
extract($args);
//if the backup name is empty we create it
if($backupName == ""){
try {
$conf = Repo::getDBConfig();
$dump = new Mysqldump("mysql:host={$conf["host"]};dbname={$conf["dbname"]}", $conf["username"], $conf["password"],
[
"compress" => Mysqldump::GZIP
]);
$date = date("Y-W-d");
$dump->start($this->backupPath.$date.".sql");
return ["success" => true,"backupName" => $date];
} catch (\Exception $e) {
return ["success" => false];
}
}else{
//read the backup
ob_start();
readgzfile($this->backupPath.$backupName.".sql");
$sql = ob_get_clean();
/** @var department $depRepo */
$depRepo = Repo::getRepo("department");
if($sql == "") return ["success" => false];
if($apply){
$depRepo->restore($this->originDBName,$sql);
return ["success" => true];
}else{
if($backupName == "origin"){
$_SESSION['CurrentDatabase'] = $this->originDBName;
return ["success" => true];
}
$previewDBName = $depRepo->previewExists($this->originDBName,$backupName);
if($previewDBName == null){
$previewDBName = $depRepo->createPreview($this->originDBName,$backupName);
$depRepo->restore($previewDBName,$sql);
}
$_SESSION['CurrentDatabase'] = $previewDBName;
}
return ["success" => true, "currentDatabase" => $_SESSION['CurrentDatabase']];
}
}
}

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@ -0,0 +1,296 @@
<?php
/**
* Created by PhpStorm.
* User: lucas
* Date: 15/03/18
* Time: 15:50
*/
namespace api\module\department;
use database\core\Repo;
use error\core\Error;
use error\core\Err;
use database\repo\department;
use Ifsnop\Mysqldump\Mysqldump;
class versionController{
/* Attributes
---------------------------------------------------------*/
private $backup_path;
private $origin_dbname;
/* (1) Initialize object
*
---------------------------------------------------------*/
public function __construct(){
$this->backup_path = null;
$this->origin_dbname = null;
}
/* (2) Initializes a directory
*
* @db_name<String> The database name
*
* @return outName<outType> outDesc
*
--------------------------------------------------------*/
private function initDir(string $db_name){
/* (1) Manage 'BACKUP' root directory
---------------------------------------------------------*/
/* (1) If not exists -> try to create it */
if( !is_dir(__BACKUP__) )
mkdir(__BACKUP__);
/* (2) Try to override permissions */
chmod(__BACKUP__, 0775);
/* (2) Manage sub-directory
---------------------------------------------------------*/
/* (1) If @db_name is 'preview_@database_hash' -> extract @database */
if( preg_match('/^preview_(\w+)_[a-f0-9]+$/', $db_name, $m) )
$db_name = $m[1];
/* (2) Store @db_name as origin */
$this->origin_dbname = $db_name;
/* (3) Store backup path */
$this->backup_path =__BACKUP__."/$db_name";
/* (4) If dir. already exists -> do nothing more */
if( is_dir($this->backup_path) )
return;
/* (4) Else -> try to create + set permissions */
mkdir($this->backup_path);
chmod($this->backup_path, 0775);
}
/* (3) Scan directory files
*
* @path<String> Directory path
*
* @return files<array> Array containing file names
*
---------------------------------------------------------*/
private function scandir(string $path) : array {
/* (1) Return [] if not a directory */
if( !is_dir($path) )
return [];
/* (2) Scan the directory */
$files = scandir($path);
/* (3) Remove '.' and '..' (2 first elements) */
$files = array_slice($files, 2);
/* (4) Return file list */
return $files;
}
/* (4) List available versions for this department
*
* @return versions<array> Version list
*
---------------------------------------------------------*/
public function get($args){
/* (1) Initialize directory for current database (department) */
$this->initDir( $_SESSION['CurrentDatabase'] );
/* (2) Strip extensions */
$versions = array_map(
function($e){ return pathinfo($e, PATHINFO_FILENAME); },
$this->scandir($this->backup_path)
);
/* (3) Return versions */
return ['versions' => $versions];
}
/* (5) Remove an existing version for this department
*
* @version<String> Version name (typically snapshot date)
*
* @return deleted<bool> Whether the version has been deleted
*
---------------------------------------------------------*/
public function delete($args){
$version = null;
extract($args);
/* (1) Initialize directory for current database (department) */
$this->initDir( $_SESSION['CurrentDatabase'] );
/* (2) Dispatch 'unlink' result */
return [ 'deleted' => unlink($this->backup_path."/$version.sql") ];
}
/* (6) Creates a new version (snapshot of database) from now
*
* @return created_id<String> The created version id (date)
*
---------------------------------------------------------*/
public function post($args){
/* (1) Initialize directory for current database (department) */
$this->initDir( $_SESSION['CurrentDatabase'] );
/* (2) Try to create the snapshot */
try{
/* (2.1) Get database configuration */
$conf = Repo::getDBConfig();
/* (2.2) Try to dump the database */
$dump = new Mysqldump(
'mysql:host='.$conf['host'].';dbname='.$conf['dbname'],
$conf['username'],
$conf['password'],
[ "compress" => Mysqldump::GZIP ]
);
/* (2.3) Get current date (for naming the version) */
$current_date = date('d-m-Y');
/* (2.4) Store the version */
$dump->start($this->backup_path."/$current_date.sql");
/* (2.5) Return status */
return ['created_id' => $current_date ];
/* (3) On error -> dispatch error */
}catch(\Exception $e){
return ['error' => new Error(Err::RepoError)];
}
}
/* (6) ( Switches to preview || Applies on prod ) for a version
*
* @apply<int> If 0 -> preview version
* If 1 -> apply version into prod database
* @version<String> [OPT] Version name to use (if ommited, switch back to prod database)
*
* @return created_id<String> The created version id (date)
*
---------------------------------------------------------*/
public function put($args){
$apply = null;
$version = null;
extract($args);
/* (1) Initialisation
---------------------------------------------------------*/
/* (1) Initialize directory for current database (department) */
$this->initDir( $_SESSION['CurrentDatabase'] );
/* (2) Get department repository */
/** @var department $dept_repo */
$dept_repo = Repo::getRepo('department');
/* (2) Check whether we have to [apply OR preview] */
$apply = ( $apply === '1' );
/* (2) If back to 'prod' database
---------------------------------------------------------*/
if( is_null($version) ){
/* (1) Reset database to 'prod' */
$_SESSION['CurrentDatabase'] = $this->origin_dbname;
/* (2) Return success */
return [ 'updated' => true ];
}
/* (3) Read the backup version
---------------------------------------------------------*/
/* (1) Start buffer */
ob_start();
/* (2) Read backup file */
readgzfile($this->backup_path."/$version.sql");
/* (3) Store & Flush buffer into variable */
$snapshot = ob_get_clean();
/* (4) Manage error */
if( strlen($snapshot) === 0 )
return ['error' => new Error(Err::RepoError)];
/* (4) APPLY into 'prod' database
---------------------------------------------------------*/
if( $apply ){
/* (1) Restore from this version */
$restored = $dept_repo->restore($this->origin_dbname, $snapshot);
/* (2) Dispatch repo execution status */
return [ 'updated' => $restored ];
}
/* (5) PREVIEW version database
---------------------------------------------------------*/
/* (1) Try to get 'preview' database name */
$preview_dbname = $dept_repo->previewExists($this->origin_dbname, $version);
/* (2) If does not exist -> create it */
if( is_null($preview_dbname) ){
/* 1. Try to create preview */
$preview_dbname = $dept_repo->createPreview($this->origin_dbname, $version);
/* 2. Switch to preview */
$dept_repo->restore($preview_dbname, $snapshot);
}
/* (3) Store 'preview' database in session */
$_SESSION['CurrentDatabase'] = $preview_dbname;
/* (4) Return status */
return [ 'updated' => true ];
}
}

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@ -98,26 +98,42 @@
}
}
},
"save":{
"version":{
"GET": {
"des": "Get the list of the saves of the department database",
"des": "Get the list of the versions of the department",
"per": [],
"par": {
"par": {},
"output": {
"versions": { "des": "List of available versions", "typ": "array" }
}
},
"POST": {
"des": "Create a backup if the name is empty, execute the backup if the name is set",
"per": [],
"par": {},
"output": {
"created_id": { "des": "The id of the created version", "typ": "varchar(10,10,alphanumeric)" }
}
},
"PUT": {
"des": "Switches to a older version or to current state",
"per": [],
"par": {
"backupName" : {"des": "Backup name", "typ": "varchar(1,10,alphanumeric)", "opt" : true},
"apply" : {"des": "Should we apply the backup on production or just preview it (true : apply, false : preview)", "typ": "boolean", "opt" : true}
"URL0": { "des": "0 to preview, 1 to apply", "typ": "id", "ren": "apply" },
"URL1": { "des": "The version name, current state if ommited", "typ": "varchar(10,10,alphanumeric)", "ren": "version", "opt": true }
},
"output": {
"updated": { "des": "Whether the version has been switched|applied", "typ": "bool" }
}
},
"DELETE": {
"des": "Delete a backup",
"per": [],
"par": {
"backupName": {"des": "Backup name", "typ": "varchar(1,10,alphanumeric)"}
"URL0": { "des": "The version name", "typ": "varchar(10,10,alphanumeric)", "ren": "version" }
},
"output": {
"deleted": { "des": "Whether the version has been deleted", "typ": "bool" }
}
}
}