Module::readJsonFile()

Passed

Branch — 3.0 (213cde)

by Vermeulen

created 2018-08-12 17:10 UTC

↳ Parent: Module

Size

Total Lines	18
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	10
nc	3
nop	1
dl	0
loc	18
c	0
b	0
f	0

<?php

namespace BFW;

use \Exception;

/**
 * Class to manage a module
 */
class Module
{
    /**
     * @const ERR_FILE_NOT_FOUND Exception code if the file is not found.
     */
    const ERR_FILE_NOT_FOUND = 1106001;
    
    /**
     * @const ERR_JSON_PARSE Exception code if the parse of a json file fail.
     */
    const ERR_JSON_PARSE = 1106002;
    
    /**
     * @const ERR_RUNNER_FILE_NOT_FOUND Exception code if the runner file to
     * execute is not found.
     */
    const ERR_RUNNER_FILE_NOT_FOUND = 1106003;

    /**
     * @var string $pathName Module's name
     */
    protected $pathName = '';

    /**
     * @var \BFW\Config|null $config Config object for this module
     */
    protected $config;

    /**
     * @var \stdClass|null $loadInfos All informations about how to run the module
     */
    protected $loadInfos;

    /**
     * @var object $status Load and run status
     */
    protected $status;

    /**
     * Constructor
     * 
     * @param string $pathName Module name
     */
    public function __construct(string $pathName)
    {
        \BFW\Application::getInstance()
            ->getMonolog()
            ->getLogger()
            ->debug('New module declared', ['name' => $pathName])
        ;
        
        $this->pathName = $pathName;
        $this->status   = new class {
            public $load = false;
            public $run  = false;
        };
    }
    
    /**
     * Load informations about the module
     * 
     * @return void
     */
    public function loadModule()
    {
        \BFW\Application::getInstance()
            ->getMonolog()
            ->getLogger()
            ->debug('Load module', ['name' => $this->pathName])
        ;
        
        $this->loadConfig();
        $this->obtainLoadInfos();

        $this->status->load = true;
    }

    /**
     * Get installation informations
     * 
     * @param string $sourceFiles Path to module source (in vendor)
     * 
     * @return \stdClass
     */
    public static function installInfos(string $sourceFiles): \stdClass
    {
        $currentClass = get_called_class(); //Allow extends
        return $currentClass::readJsonFile(
            $sourceFiles.'/bfwModulesInfos.json'
        );
    }

    /**
     * Get the module's name
     * 
     * @return string
     */
    public function getPathName(): string
    {
        return $this->pathName;
    }

    /**
     * Get the Config object which have config for this module
     * 
     * @return \BFW\Config|null
     */
    public function getConfig()
    {
        return $this->config;
    }

    /**
     * Get the load informations
     * 
     * @return \stdClass|null
     */
    public function getLoadInfos()
    {
        return $this->loadInfos;
    }

    /**
     * Get the status object for this module
     * 
     * @return object
     */
    public function getStatus()
    {
        return $this->status;
    }

    /**
     * Return the load status
     * 
     * @return boolean
     */
    public function isLoaded(): bool
    {
        return $this->status->load;
    }

    /**
     * Return the run status
     * 
     * @return boolean
     */
    public function isRun(): bool
    {
        return $this->status->run;
    }

    /**
     * Instantiate the Config object to obtains module's configuration
     * 
     * @return void
     */
    protected function loadConfig()
    {
        if (!file_exists(CONFIG_DIR.$this->pathName)) {

            return;
        }

        $this->config = new \BFW\Config($this->pathName);
        $this->config->loadFiles();
    }

    /**
     * Save loaded informations from json file into the loadInfos property
     * 
     * @return void
     */
    protected function obtainLoadInfos()
    {
        $currentClass = get_called_class(); //Allow extends
        
        $this->loadInfos = $currentClass::readJsonFile(
            MODULES_DIR.$this->pathName

            .'/module.json'
        );
    }

    /**
     * Read and parse a json file
     * 
     * @param string $jsonFilePath : The path to the file to read
     * 
     * @return mixed Json parsed datas
     * 
     * @throws \Exception If the file is not found or for a json parser error
     */
    protected static function readJsonFile(string $jsonFilePath)
    {
        if (!file_exists($jsonFilePath)) {
            throw new Exception(
                'File '.$jsonFilePath.' not found.',
                self::ERR_FILE_NOT_FOUND
            );
        }

        $infos = json_decode(file_get_contents($jsonFilePath));
        if ($infos === null) {
            throw new Exception(
                json_last_error_msg(),
                self::ERR_JSON_PARSE
            );
        }

        return $infos;
    }
    
    /**
     * Add a dependency to the module
     * Used for needMe property in module infos
     * 
     * @param string $dependencyName The dependency name to add
     * 
     * @return $this

     */
    public function addDependency(string $dependencyName): self
    {
        if (!property_exists($this->loadInfos, 'require')) {
            $this->loadInfos->require = [];
        }
        
        if (!is_array($this->loadInfos->require)) {
            $this->loadInfos->require = [$this->loadInfos->require];
        }
        
        $this->loadInfos->require[] = $dependencyName;
        
        return $this;
    }

    /**
     * Get path to the runner file
     * 
     * @return string
     * 
     * @throws \Exception If the file not exists
     */
    protected function obtainRunnerFile(): string
    {
        $moduleInfos = $this->loadInfos;
        $runnerFile  = '';

        if (property_exists($moduleInfos, 'runner')) {
            $runnerFile = (string) $moduleInfos->runner;
        }

        if (empty($runnerFile)) {
            return '';
        }

        $runnerFile = MODULES_DIR.$this->pathName.'/'.$runnerFile;

        if (!file_exists($runnerFile)) {
            throw new Exception(
                'Runner file for module '.$this->pathName.' not found.',
                $this::ERR_RUNNER_FILE_NOT_FOUND
            );
        }

        return $runnerFile;
    }

    /**
     * Run the module in a closure
     * 
     * @return void
     */
    public function runModule()
    {
        if ($this->status->run === true) {
            return;
        }
        
        $runnerFile   = $this->obtainRunnerFile();
        $initFunction = function() use ($runnerFile) {
            if (empty($runnerFile)) {
                return;
            }
            
            require(realpath($runnerFile));
        };

        $this->status->run = true;
        $initFunction();
    }
}


1			<?php
2
3			namespace BFW;
4
5			use \Exception;
6
7			/**
8			* Class to manage a module
9			*/
10			class Module
11			{
12			/**
13			* @const ERR_FILE_NOT_FOUND Exception code if the file is not found.
14			*/
15			const ERR_FILE_NOT_FOUND = 1106001;
16
17			/**
18			* @const ERR_JSON_PARSE Exception code if the parse of a json file fail.
19			*/
20			const ERR_JSON_PARSE = 1106002;
21
22			/**
23			* @const ERR_RUNNER_FILE_NOT_FOUND Exception code if the runner file to
24			* execute is not found.
25			*/
26			const ERR_RUNNER_FILE_NOT_FOUND = 1106003;
27
28			/**
29			* @var string $pathName Module's name
30			*/
31			protected $pathName = '';
32
33			/**
34			* @var \BFW\Config\|null $config Config object for this module
35			*/
36			protected $config;
37
38			/**
39			* @var \stdClass\|null $loadInfos All informations about how to run the module
40			*/
41			protected $loadInfos;
42
43			/**
44			* @var object $status Load and run status
45			*/
46			protected $status;
47
48			/**
49			* Constructor
50			*
51			* @param string $pathName Module name
52			*/
53			public function __construct(string $pathName)
54			{
55			\BFW\Application::getInstance()
56			->getMonolog()
57			->getLogger()
58			->debug('New module declared', ['name' => $pathName])
59			;
60
61			$this->pathName = $pathName;
62			$this->status = new class {
63			public $load = false;
64			public $run = false;
65			};
66			}
67
68			/**
69			* Load informations about the module
70			*
71			* @return void
72			*/
73			public function loadModule()
74			{
75			\BFW\Application::getInstance()
76			->getMonolog()
77			->getLogger()
78			->debug('Load module', ['name' => $this->pathName])
79			;
80
81			$this->loadConfig();
82			$this->obtainLoadInfos();
83
84			$this->status->load = true;
85			}
86
87			/**
88			* Get installation informations
89			*
90			* @param string $sourceFiles Path to module source (in vendor)
91			*
92			* @return \stdClass
93			*/
94			public static function installInfos(string $sourceFiles): \stdClass
95			{
96			$currentClass = get_called_class(); //Allow extends
97			return $currentClass::readJsonFile(
98			$sourceFiles.'/bfwModulesInfos.json'
99			);
100			}
101
102			/**
103			* Get the module's name
104			*
105			* @return string
106			*/
107			public function getPathName(): string
108			{
109			return $this->pathName;
110			}
111
112			/**
113			* Get the Config object which have config for this module
114			*
115			* @return \BFW\Config\|null
116			*/
117			public function getConfig()
118			{
119			return $this->config;
120			}
121
122			/**
123			* Get the load informations
124			*
125			* @return \stdClass\|null
126			*/
127			public function getLoadInfos()
128			{
129			return $this->loadInfos;
130			}
131
132			/**
133			* Get the status object for this module
134			*
135			* @return object
136			*/
137			public function getStatus()
138			{
139			return $this->status;
140			}
141
142			/**
143			* Return the load status
144			*
145			* @return boolean
146			*/
147			public function isLoaded(): bool
148			{
149			return $this->status->load;
150			}
151
152			/**
153			* Return the run status
154			*
155			* @return boolean
156			*/
157			public function isRun(): bool
158			{
159			return $this->status->run;
160			}
161
162			/**
163			* Instantiate the Config object to obtains module's configuration
164			*
165			* @return void
166			*/
167			protected function loadConfig()
168			{
169			if (!file_exists(CONFIG_DIR.$this->pathName)) {
			1 ignored issue – show Bug introduced 2018-08-12 17:02 UTC by Report Bug Copy Issue Report The constant `BFW\CONFIG_DIR` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
170			return;
171			}
172
173			$this->config = new \BFW\Config($this->pathName);
174			$this->config->loadFiles();
175			}
176
177			/**
178			* Save loaded informations from json file into the loadInfos property
179			*
180			* @return void
181			*/
182			protected function obtainLoadInfos()
183			{
184			$currentClass = get_called_class(); //Allow extends
185
186			$this->loadInfos = $currentClass::readJsonFile(
187			MODULES_DIR.$this->pathName
			1 ignored issue – show Bug introduced 2018-08-12 17:02 UTC by Report Bug Copy Issue Report The constant `BFW\MODULES_DIR` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
188			.'/module.json'
189			);
190			}
191
192			/**
193			* Read and parse a json file
194			*
195			* @param string $jsonFilePath : The path to the file to read
196			*
197			* @return mixed Json parsed datas
198			*
199			* @throws \Exception If the file is not found or for a json parser error
200			*/
201			protected static function readJsonFile(string $jsonFilePath)
202			{
203			if (!file_exists($jsonFilePath)) {
204			throw new Exception(
205			'File '.$jsonFilePath.' not found.',
206			self::ERR_FILE_NOT_FOUND
207			);
208			}
209
210			$infos = json_decode(file_get_contents($jsonFilePath));
211			if ($infos === null) {
212			throw new Exception(
213			json_last_error_msg(),
214			self::ERR_JSON_PARSE
215			);
216			}
217
218			return $infos;
219			}
220
221			/**
222			* Add a dependency to the module
223			* Used for needMe property in module infos
224			*
225			* @param string $dependencyName The dependency name to add
226			*
227			* @return $this
			0 ignored issues – show Documentation Bug introduced 2018-08-12 17:02 UTC by Report Bug Copy Issue Report The doc comment `$this` at position `0` could not be parsed: '$this' is only available from within classes. Loading history...
228			*/
229			public function addDependency(string $dependencyName): self
230			{
231			if (!property_exists($this->loadInfos, 'require')) {
232			$this->loadInfos->require = [];
233			}
234
235			if (!is_array($this->loadInfos->require)) {
236			$this->loadInfos->require = [$this->loadInfos->require];
237			}
238
239			$this->loadInfos->require[] = $dependencyName;
240
241			return $this;
242			}
243
244			/**
245			* Get path to the runner file
246			*
247			* @return string
248			*
249			* @throws \Exception If the file not exists
250			*/
251			protected function obtainRunnerFile(): string
252			{
253			$moduleInfos = $this->loadInfos;
254			$runnerFile = '';
255
256			if (property_exists($moduleInfos, 'runner')) {
257			$runnerFile = (string) $moduleInfos->runner;
258			}
259
260			if (empty($runnerFile)) {
261			return '';
262			}
263
264			$runnerFile = MODULES_DIR.$this->pathName.'/'.$runnerFile;
			1 ignored issue – show Bug introduced 2018-08-12 17:02 UTC by Report Bug Copy Issue Report The constant `BFW\MODULES_DIR` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
265			if (!file_exists($runnerFile)) {
266			throw new Exception(
267			'Runner file for module '.$this->pathName.' not found.',
268			$this::ERR_RUNNER_FILE_NOT_FOUND
269			);
270			}
271
272			return $runnerFile;
273			}
274
275			/**
276			* Run the module in a closure
277			*
278			* @return void
279			*/
280			public function runModule()
281			{
282			if ($this->status->run === true) {
283			return;
284			}
285
286			$runnerFile = $this->obtainRunnerFile();
287			$initFunction = function() use ($runnerFile) {
288			if (empty($runnerFile)) {
289			return;
290			}
291
292			require(realpath($runnerFile));
293			};
294
295			$this->status->run = true;
296			$initFunction();
297			}
298			}
299

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Branch — 3.0 (213cde)

Module::readJsonFile()

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