Model::getIdFromSlug() - Code Metrics - Inspection of "Merge pull request #65 from Starbugstone/Security_..." - Starbugstone/blogoc - Measure and Improve Code Quality continuously with Scrutinizer

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Push — Comments ( 8cdc7e...2d07a4 )

by Stone

created 2018-11-04 11:16 UTC

Model::getIdFromSlug() A

↳ Parent: Model

Complexity

Conditions	3
Paths	3

Size

Total Lines	16
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	3
eloc	10
nc	3
nop	4
dl	0
loc	16
rs	9.9332
c	0
b	0
f	0

<?php

namespace Core;

use Core\Traits\StringFunctions;
use Exception;
use PDO;

/**
 * Class Model here we have all the generic calls to be inherited by the App\Models
 * using PDO connections
 * @package Core
 *
 * PHP version 7
 */
abstract class Model
{
    use StringFunctions;
    /**
     * @var PDO the database handeler
     */
    protected $dbh;

    /**
     * @var \PDOStatement|boolean the prepared sql statement
     */
    protected $stmt;

    /**
     * @var Container the dependancy injector
     */
    private $container;

    /**
     * Model constructor. prepares the database connection
     * @param Container $container
     */
    public function __construct(Container $container)
    {
        $this->container = $container;
        $this->dbh = $this->container->setPdo();
    }

    /*
     * generic PDO query constructor
     * ---------------------------------------------
     */

    /**
     * creating and storing the query
     * @param $sql string creating the sql query
     */
    protected function query($sql): void
    {
        $this->stmt = $this->dbh->prepare($sql);
    }

    /**
     * binding the parameters to the query. Need the stmt to be declared before via query()
     * @param $param
     * @param $value
     * @param  $type
     * @throws Exception error if no sql query to bind to
     */
    protected function bind($param, $value, $type = null): void
    {
        if ($this->stmt == null) {
            throw new Exception("No query to bind to");
        }
        if (is_null($type)) { //need a bind value, so just check it in code. that way we can just call bind(param,value)
            switch (true) {
                case is_int($value):
                    $type = PDO::PARAM_INT;
                    break;
                case is_bool($value):
                    $type = PDO::PARAM_BOOL;
                    break;
                case is_null($value):
                    $type = PDO::PARAM_NULL;
                    break;
                default:
                    $type = PDO::PARAM_STR;
            }
        }
        $this->stmt->bindValue($param, $value, $type);
    }

    /**
     * Execute our constructed SQL statement
     * @return bool
     * @throws Exception if the statement is empty
     */
    protected function execute()
    {
        if ($this->stmt == null) {
            throw new Exception("No statement to execute");
        }
        return $this->stmt->execute();
    }

    /**
     * close the connection
     */
    protected function closeCursor()
    {
        $this->stmt->closeCursor();
    }

    /**
     * execute request then close
     * @return bool
     * @throws Exception
     */
    protected function finalExecute()
    {
        $result = $this->execute();
        $this->closeCursor();
        return $result;
    }

    /**
     * fetches the result from an executed query
     * @return array
     */
    protected function fetchAll()
    {
        return $this->stmt->fetchAll();
    }

    /**
     * returns a single line from the executed query
     * @return mixed
     */
    protected function fetch()
    {
        return $this->stmt->fetch();
    }

    /*
     * END generic PDO query constructor
     * ---------------------------------------------
     */

    /**
     * correlation between the model name and the table name
     * if we don't have a table name, get the table that has the same name as the model will be returned (else, we do nothing !!)
     * Also search if the table exists, if not do a check in the views (must be v_$table)
     * @param string|null $table the name of the table to get, if none the get the table of the models name
     * @return string the table name (with an s)
     * @throws \ReflectionException the model doesn't exist, should never happen
     * @throws Exception table or view doesn't exist
     * @return string table or view name
     */
    protected function getTable(String $table = null): String
    {
        //If no table is passed, get the calling model name
        if ($table === null) {
            $reflect = new \ReflectionClass(get_class($this));
            $table = $reflect->getShortName(); //this is to only get the model name, otherwise we get the full namespace
            //since our models all end with Model, we should remove it.
            $table = $this->removeFromEnd($table, 'Model');
            $table = $table . 's'; //adding the s since the table should be plural. Might be some special case where the plural isn't just with an s
            $table = strtolower($table); //the database names are in lowercase
        }

        //Check if we have already passed the prefix
        if (!$this->startsWith($table, Config::TABLE_PREFIX)) {
            $table = $this->getTablePrefix($table);
        }


        //see if table exists
        $sql = "SHOW TABLES LIKE :table";
        $stmt = $this->dbh->prepare($sql);
        $stmt->bindValue(':table', $table, PDO::PARAM_STR);
        $stmt->execute();
        $exists = $stmt->rowCount() > 0; //will return 1 if table exists or 0 if non existant

        if ($exists) {
            //the table exists
            return $table;
        }

        //if we are here, then table doesn't exist, check for view
        $view = 'v_' . $table;
        $stmt->bindValue(':table', $view, PDO::PARAM_STR);
        $stmt->execute();
        $exists = $stmt->rowCount() > 0; //will return 1 if table exists or 0 if non existant

        if ($exists) {
            //the view exists
            return $view;
        }

        //neither table or view exists
        //throw an error
        throw new Exception("Table or view $table doesn't exist");
    }

    /**
     * This function adds the table prefix if set and returns the name
     * Use this if we are sure of the table name. Avoids the DB calls
     * @param $table string the table name
     * @return string
     */
    protected function getTablePrefix($table)
    {
        if (Config::TABLE_PREFIX != '') {
            $table = Config::TABLE_PREFIX . '_' . $table;
        }
        return $table;
    }

    /**
     * checks if the result from a PDO query has any data.
     * If yes then we return the array
     * If debugging is enabled we throw an exception on no results
     * or we just return an empty array
     * @param mixed $result the PDO result of a query
     * @return array the result or empty
     * @throws Exception if debugging is on and no result
     */
    private function returnArray($result)
    {
        if ($result) {
            return $result;
        }
        if (Config::DEV_ENVIRONMENT) {
            throw new Exception("No results in database");
        }
        return [];
    }

    /**
     * gets the entire table or view and returns the array
     * @param string $table the table to search in, if empty then get the table based on model name
     * @return array the results from database
     * @throws \ReflectionException
     */
    protected function getResultSet($table = null): array
    {
        $tableName = $this->getTable($table);
        $sql = "SELECT * FROM $tableName"; //can not pass table name as :parameter. since we already have tested if the table exists, this var should be safe.
        $this->query($sql);
        $this->execute();
        $result = $this->stmt->fetchAll(); //returns an array or false if no results
        return $this->returnArray($result);
    }

    /**
     * gets the entire table or view and returns the array with a limit to the number of rows
     * @param string $table the table to search in, if empty then get the table based on model name
     * @param string $limit the limit of rows to return
     * @return array the results from database
     * @throws \ReflectionException
     */
    protected function getResultSetLimited($limit, $table = null): array
    {
        $tableName = $this->getTable($table);
        $sql = "SELECT * FROM $tableName LIMIT :limit";
        $this->query($sql);
        $this->bind(':limit', $limit);
        $this->execute();
        $result = $this->stmt->fetchAll(); //returns an array or false if no results
        return $this->returnArray($result);
    }

    /**
     * get's the result of SELECT * FROM table where idtable=$id
     * @param int $rowId searched id
     * @param string $table the table to search, if blank then we get the table or view based on the model name
     * @return array result or empty array
     * @throws \ReflectionException (probably not, but will throw an exception if debugging is on and no results)
     */
    protected function getRowById($rowId, $table = null)
    {
        $tableName = $this->getTable($table);
        $idName = 'id' . str_replace(Config::TABLE_PREFIX."_","",$tableName);
        $sql = "SELECT * FROM $tableName WHERE $idName = :rowId";
        $this->query($sql);
        $this->bind(':rowId', $rowId);
        $this->execute();
        $result = $this->stmt->fetch();
        return $this->returnArray($result);
    }

    /**
     * gets the row from the query SELECT * FROM table WHERE $columnName = $Value
     * @param string $columnName the column to search in. Does a regex check for security
     * @param string $value the value to search for
     * @param string $table the table to search, if blank then we get the table or view based on the model name
     * @return array the results or empty
     * @throws \ReflectionException (probably not, but will throw an exception if debugging is on and no results)
     * @throws Exception if the column name consists of other characters than lower case, numbers and underscore for security
     */
    protected function getRowByColumn(String $columnName, $value, $table = null): array
    {
        $tableName = $this->getTable($table);
        $columnNameOk = preg_match("/^[a-z0-9_]+$/i",
            $columnName); //testing if column name only has lower case, numbers and underscore
        if (!$columnNameOk) {
            throw new Exception("Syntax error : Column name \"$columnName\" is not legal");
        }
        $sql = "SELECT * FROM $tableName WHERE $columnName = :value";
        $this->query($sql);
        $this->bind(':value', $value);
        $this->execute();
        $result = $this->stmt->fetch();
        return $this->returnArray($result);
    }

    /**
     * count the number of rows in table
     * @param string $table
     * @return mixed
     * @throws Exception
     */
    protected function count(string $table = null)
    {
        $table = $this->getTable($table);
        $sql = "SELECT COUNT(*) FROM $table";
        $this->query($sql);
        $this->execute();
        return $this->stmt->fetchColumn();
    }

    /**
     * get list with offset and limit from table
     * @param int $offset
     * @param int $limit
     * @param string|null $table
     * @return array
     * @throws \ReflectionException
     */
    protected function list(int $offset = 0, int $limit = Constant::POSTS_PER_PAGE, string $table = null)
    {
        $table = $this->getTable($table);
        $sql = "
            SELECT * FROM $table
            LIMIT :limit OFFSET :offset
        ";
        $this->query($sql);
        $this->bind(":limit", $limit);
        $this->bind(":offset", $offset);
        $this->execute();
        return $this->fetchAll();
    }

    /**
     * is the slug unique, used when updating the slug
     * @param string $slug the slug to search for
     * @param string $table the table to search in
     * @param string $slugColumn the name of the slug column
     * @return bool
     * @throws Exception
     */
    protected function isSlugUnique(string $slug, string $slugColumn, string $table = null): bool
    {
        if (!$this->isAlphaNum($slugColumn)) {
            throw new Exception("Invalid Column name");
        }

        $table = $this->getTable($table);

        $sql = "SELECT * FROM $table WHERE $slugColumn = :slug";
        $this->query($sql);
        $this->bind(':slug', $slug);
        $this->execute();
        return !$this->stmt->rowCount() > 0;
    }

    /**
     * get the ID of the row from the slug
     * @param string $slug the slug to search
     * @param string $table the table to search in
     * @param string $slugColumn the slug column name
     * @param string $idColumn the id column name
     * @return int the id of the row
     * @throws Exception
     */
    protected function getIdFromSlug(string $slug, string $idColumn, string $slugColumn, string $table = null): int
    {
        if (!$this->isAllAlphaNum([$idColumn, $slugColumn])) {
            throw new Exception("Invalid Column name");
        }

        $table = $this->getTable($table);

        $sql = "SELECT $idColumn FROM $table WHERE $slugColumn = :slug";
        $this->query($sql);
        $this->bind(":slug", $slug);
        $this->execute();
        if (!$this->stmt->rowCount() > 0) {
            return 0;
        }
        return $this->stmt->fetchColumn();

    }

    /**
     * get the slug from an Id
     * @param int $searchId
     * @param string $idColumn
     * @param string $slugColumn
     * @param string $table
     * @return string
     * @throws \ReflectionException
     */
    protected function getSlugFromId(
        int $searchId,
        string $idColumn,
        string $slugColumn,
        string $table = null
    ): string {

        if (!$this->isAllAlphaNum([$idColumn, $slugColumn])) {
            throw new Exception("Invalid Column name");
        }
        $table = $this->getTable($table);

        $sql = "SELECT $slugColumn FROM $table WHERE $idColumn = :searchId";
        $this->query($sql);
        $this->bind(":searchId", $searchId);
        $this->execute();
        if (!$this->stmt->rowCount() > 0) {
            return 0;
        }
        return $this->stmt->fetchColumn();
    }

    /**
     * get's the result of SELECT * FROM table where table_slug=$slug
     * @param string $slug the slug to look up
     * @param string $slugColumn the name of the slug column
     * @param string $table the table to search, if blank then we get the table or view based on the model name
     * @return array result or empty array
     * @throws \ReflectionException (probably not, but will throw an exception if debugging is on and no results)
     */
    protected function getRowBySlug(String $slug, string $slugColumn, $table = null): array
    {
        if (!$this->isAlphaNum($slugColumn)) {
            throw new Exception("Invalid Column name");
        }

        $table = $this->getTable($table);

        $sql = "SELECT * FROM $table WHERE $slugColumn = :slug";
        $this->query($sql);
        $this->bind(':slug', $slug);
        $this->execute();
        $result = $this->stmt->fetch();
        return $this->returnArray($result);
    }

    /**
     * generates a token to use
     * @return string
     * @throws \Exception
     */
    protected function generateToken():string
    {
        return bin2hex(random_bytes(16));
    }

    /**
     * generate a hash from a token
     * @param string $token
     * @return string
     */
    protected function generateHash(string $token):string
    {
        return hash_hmac("sha256", $token, Constant::HASH_KEY);
    }
}

1			<?php
2
3			namespace Core;
4
5			use Core\Traits\StringFunctions;
6			use Exception;
7			use PDO;
8
9			/**
10			* Class Model here we have all the generic calls to be inherited by the App\Models
11			* using PDO connections
12			* @package Core
13			*
14			* PHP version 7
15			*/
16			abstract class Model
17			{
18			use StringFunctions;
19			/**
20			* @var PDO the database handeler
21			*/
22			protected $dbh;
23
24			/**
25			* @var \PDOStatement\|boolean the prepared sql statement
26			*/
27			protected $stmt;
28
29			/**
30			* @var Container the dependancy injector
31			*/
32			private $container;
33
34			/**
35			* Model constructor. prepares the database connection
36			* @param Container $container
37			*/
38			public function __construct(Container $container)
39			{
40			$this->container = $container;
41			$this->dbh = $this->container->setPdo();
42			}
43
44			/*
45			* generic PDO query constructor
46			* ---------------------------------------------
47			*/
48
49			/**
50			* creating and storing the query
51			* @param $sql string creating the sql query
52			*/
53			protected function query($sql): void
54			{
55			$this->stmt = $this->dbh->prepare($sql);
56			}
57
58			/**
59			* binding the parameters to the query. Need the stmt to be declared before via query()
60			* @param $param
61			* @param $value
62			* @param $type
63			* @throws Exception error if no sql query to bind to
64			*/
65			protected function bind($param, $value, $type = null): void
66			{
67			if ($this->stmt == null) {
68			throw new Exception("No query to bind to");
69			}
70			if (is_null($type)) { //need a bind value, so just check it in code. that way we can just call bind(param,value)
71			switch (true) {
72			case is_int($value):
73			$type = PDO::PARAM_INT;
74			break;
75			case is_bool($value):
76			$type = PDO::PARAM_BOOL;
77			break;
78			case is_null($value):
79			$type = PDO::PARAM_NULL;
80			break;
81			default:
82			$type = PDO::PARAM_STR;
83			}
84			}
85			$this->stmt->bindValue($param, $value, $type);
86			}
87
88			/**
89			* Execute our constructed SQL statement
90			* @return bool
91			* @throws Exception if the statement is empty
92			*/
93			protected function execute()
94			{
95			if ($this->stmt == null) {
96			throw new Exception("No statement to execute");
97			}
98			return $this->stmt->execute();
99			}
100
101			/**
102			* close the connection
103			*/
104			protected function closeCursor()
105			{
106			$this->stmt->closeCursor();
107			}
108
109			/**
110			* execute request then close
111			* @return bool
112			* @throws Exception
113			*/
114			protected function finalExecute()
115			{
116			$result = $this->execute();
117			$this->closeCursor();
118			return $result;
119			}
120
121			/**
122			* fetches the result from an executed query
123			* @return array
124			*/
125			protected function fetchAll()
126			{
127			return $this->stmt->fetchAll();
128			}
129
130			/**
131			* returns a single line from the executed query
132			* @return mixed
133			*/
134			protected function fetch()
135			{
136			return $this->stmt->fetch();
137			}
138
139			/*
140			* END generic PDO query constructor
141			* ---------------------------------------------
142			*/
143
144			/**
145			* correlation between the model name and the table name
146			* if we don't have a table name, get the table that has the same name as the model will be returned (else, we do nothing !!)
147			* Also search if the table exists, if not do a check in the views (must be v_$table)
148			* @param string\|null $table the name of the table to get, if none the get the table of the models name
149			* @return string the table name (with an s)
150			* @throws \ReflectionException the model doesn't exist, should never happen
151			* @throws Exception table or view doesn't exist
152			* @return string table or view name
153			*/
154			protected function getTable(String $table = null): String
155			{
156			//If no table is passed, get the calling model name
157			if ($table === null) {
158			$reflect = new \ReflectionClass(get_class($this));
159			$table = $reflect->getShortName(); //this is to only get the model name, otherwise we get the full namespace
160			//since our models all end with Model, we should remove it.
161			$table = $this->removeFromEnd($table, 'Model');
162			$table = $table . 's'; //adding the s since the table should be plural. Might be some special case where the plural isn't just with an s
163			$table = strtolower($table); //the database names are in lowercase
164			}
165
166			//Check if we have already passed the prefix
167			if (!$this->startsWith($table, Config::TABLE_PREFIX)) {
168			$table = $this->getTablePrefix($table);
169			}
170
171
172			//see if table exists
173			$sql = "SHOW TABLES LIKE :table";
174			$stmt = $this->dbh->prepare($sql);
175			$stmt->bindValue(':table', $table, PDO::PARAM_STR);
176			$stmt->execute();
177			$exists = $stmt->rowCount() > 0; //will return 1 if table exists or 0 if non existant
178
179			if ($exists) {
180			//the table exists
181			return $table;
182			}
183
184			//if we are here, then table doesn't exist, check for view
185			$view = 'v_' . $table;
186			$stmt->bindValue(':table', $view, PDO::PARAM_STR);
187			$stmt->execute();
188			$exists = $stmt->rowCount() > 0; //will return 1 if table exists or 0 if non existant
189
190			if ($exists) {
191			//the view exists
192			return $view;
193			}
194
195			//neither table or view exists
196			//throw an error
197			throw new Exception("Table or view $table doesn't exist");
198			}
199
200			/**
201			* This function adds the table prefix if set and returns the name
202			* Use this if we are sure of the table name. Avoids the DB calls
203			* @param $table string the table name
204			* @return string
205			*/
206			protected function getTablePrefix($table)
207			{
208			if (Config::TABLE_PREFIX != '') {
209			$table = Config::TABLE_PREFIX . '_' . $table;
210			}
211			return $table;
212			}
213
214			/**
215			* checks if the result from a PDO query has any data.
216			* If yes then we return the array
217			* If debugging is enabled we throw an exception on no results
218			* or we just return an empty array
219			* @param mixed $result the PDO result of a query
220			* @return array the result or empty
221			* @throws Exception if debugging is on and no result
222			*/
223			private function returnArray($result)
224			{
225			if ($result) {
226			return $result;
227			}
228			if (Config::DEV_ENVIRONMENT) {
229			throw new Exception("No results in database");
230			}
231			return [];
232			}
233
234			/**
235			* gets the entire table or view and returns the array
236			* @param string $table the table to search in, if empty then get the table based on model name
237			* @return array the results from database
238			* @throws \ReflectionException
239			*/
240			protected function getResultSet($table = null): array
241			{
242			$tableName = $this->getTable($table);
243			$sql = "SELECT * FROM $tableName"; //can not pass table name as :parameter. since we already have tested if the table exists, this var should be safe.
244			$this->query($sql);
245			$this->execute();
246			$result = $this->stmt->fetchAll(); //returns an array or false if no results
247			return $this->returnArray($result);
248			}
249
250			/**
251			* gets the entire table or view and returns the array with a limit to the number of rows
252			* @param string $table the table to search in, if empty then get the table based on model name
253			* @param string $limit the limit of rows to return
254			* @return array the results from database
255			* @throws \ReflectionException
256			*/
257			protected function getResultSetLimited($limit, $table = null): array
258			{
259			$tableName = $this->getTable($table);
260			$sql = "SELECT * FROM $tableName LIMIT :limit";
261			$this->query($sql);
262			$this->bind(':limit', $limit);
263			$this->execute();
264			$result = $this->stmt->fetchAll(); //returns an array or false if no results
265			return $this->returnArray($result);
266			}
267
268			/**
269			* get's the result of SELECT * FROM table where idtable=$id
270			* @param int $rowId searched id
271			* @param string $table the table to search, if blank then we get the table or view based on the model name
272			* @return array result or empty array
273			* @throws \ReflectionException (probably not, but will throw an exception if debugging is on and no results)
274			*/
275			protected function getRowById($rowId, $table = null)
276			{
277			$tableName = $this->getTable($table);
278			$idName = 'id' . str_replace(Config::TABLE_PREFIX."_","",$tableName);
279			$sql = "SELECT * FROM $tableName WHERE $idName = :rowId";
280			$this->query($sql);
281			$this->bind(':rowId', $rowId);
282			$this->execute();
283			$result = $this->stmt->fetch();
284			return $this->returnArray($result);
285			}
286
287			/**
288			* gets the row from the query SELECT * FROM table WHERE $columnName = $Value
289			* @param string $columnName the column to search in. Does a regex check for security
290			* @param string $value the value to search for
291			* @param string $table the table to search, if blank then we get the table or view based on the model name
292			* @return array the results or empty
293			* @throws \ReflectionException (probably not, but will throw an exception if debugging is on and no results)
294			* @throws Exception if the column name consists of other characters than lower case, numbers and underscore for security
295			*/
296			protected function getRowByColumn(String $columnName, $value, $table = null): array
297			{
298			$tableName = $this->getTable($table);
299			$columnNameOk = preg_match("/^[a-z0-9_]+$/i",
300			$columnName); //testing if column name only has lower case, numbers and underscore
301			if (!$columnNameOk) {
302			throw new Exception("Syntax error : Column name \"$columnName\" is not legal");
303			}
304			$sql = "SELECT * FROM $tableName WHERE $columnName = :value";
305			$this->query($sql);
306			$this->bind(':value', $value);
307			$this->execute();
308			$result = $this->stmt->fetch();
309			return $this->returnArray($result);
310			}
311
312			/**
313			* count the number of rows in table
314			* @param string $table
315			* @return mixed
316			* @throws Exception
317			*/
318			protected function count(string $table = null)
319			{
320			$table = $this->getTable($table);
321			$sql = "SELECT COUNT(*) FROM $table";
322			$this->query($sql);
323			$this->execute();
324			return $this->stmt->fetchColumn();
325			}
326
327			/**
328			* get list with offset and limit from table
329			* @param int $offset
330			* @param int $limit
331			* @param string\|null $table
332			* @return array
333			* @throws \ReflectionException
334			*/
335			protected function list(int $offset = 0, int $limit = Constant::POSTS_PER_PAGE, string $table = null)
336			{
337			$table = $this->getTable($table);
338			$sql = "
339			SELECT * FROM $table
340			LIMIT :limit OFFSET :offset
341			";
342			$this->query($sql);
343			$this->bind(":limit", $limit);
344			$this->bind(":offset", $offset);
345			$this->execute();
346			return $this->fetchAll();
347			}
348
349			/**
350			* is the slug unique, used when updating the slug
351			* @param string $slug the slug to search for
352			* @param string $table the table to search in
353			* @param string $slugColumn the name of the slug column
354			* @return bool
355			* @throws Exception
356			*/
357			protected function isSlugUnique(string $slug, string $slugColumn, string $table = null): bool
358			{
359			if (!$this->isAlphaNum($slugColumn)) {
360			throw new Exception("Invalid Column name");
361			}
362
363			$table = $this->getTable($table);
364
365			$sql = "SELECT * FROM $table WHERE $slugColumn = :slug";
366			$this->query($sql);
367			$this->bind(':slug', $slug);
368			$this->execute();
369			return !$this->stmt->rowCount() > 0;
370			}
371
372			/**
373			* get the ID of the row from the slug
374			* @param string $slug the slug to search
375			* @param string $table the table to search in
376			* @param string $slugColumn the slug column name
377			* @param string $idColumn the id column name
378			* @return int the id of the row
379			* @throws Exception
380			*/
381			protected function getIdFromSlug(string $slug, string $idColumn, string $slugColumn, string $table = null): int
382			{
383			if (!$this->isAllAlphaNum([$idColumn, $slugColumn])) {
384			throw new Exception("Invalid Column name");
385			}
386
387			$table = $this->getTable($table);
388
389			$sql = "SELECT $idColumn FROM $table WHERE $slugColumn = :slug";
390			$this->query($sql);
391			$this->bind(":slug", $slug);
392			$this->execute();
393			if (!$this->stmt->rowCount() > 0) {
394			return 0;
395			}
396			return $this->stmt->fetchColumn();
397
398			}
399
400			/**
401			* get the slug from an Id
402			* @param int $searchId
403			* @param string $idColumn
404			* @param string $slugColumn
405			* @param string $table
406			* @return string
407			* @throws \ReflectionException
408			*/
409			protected function getSlugFromId(
410			int $searchId,
411			string $idColumn,
412			string $slugColumn,
413			string $table = null
414			): string {
415
416			if (!$this->isAllAlphaNum([$idColumn, $slugColumn])) {
417			throw new Exception("Invalid Column name");
418			}
419			$table = $this->getTable($table);
420
421			$sql = "SELECT $slugColumn FROM $table WHERE $idColumn = :searchId";
422			$this->query($sql);
423			$this->bind(":searchId", $searchId);
424			$this->execute();
425			if (!$this->stmt->rowCount() > 0) {
426			return 0;
427			}
428			return $this->stmt->fetchColumn();
429			}
430
431			/**
432			* get's the result of SELECT * FROM table where table_slug=$slug
433			* @param string $slug the slug to look up
434			* @param string $slugColumn the name of the slug column
435			* @param string $table the table to search, if blank then we get the table or view based on the model name
436			* @return array result or empty array
437			* @throws \ReflectionException (probably not, but will throw an exception if debugging is on and no results)
438			*/
439			protected function getRowBySlug(String $slug, string $slugColumn, $table = null): array
440			{
441			if (!$this->isAlphaNum($slugColumn)) {
442			throw new Exception("Invalid Column name");
443			}
444
445			$table = $this->getTable($table);
446
447			$sql = "SELECT * FROM $table WHERE $slugColumn = :slug";
448			$this->query($sql);
449			$this->bind(':slug', $slug);
450			$this->execute();
451			$result = $this->stmt->fetch();
452			return $this->returnArray($result);
453			}
454
455			/**
456			* generates a token to use
457			* @return string
458			* @throws \Exception
459			*/
460			protected function generateToken():string
461			{
462			return bin2hex(random_bytes(16));
463			}
464
465			/**
466			* generate a hash from a token
467			* @param string $token
468			* @return string
469			*/
470			protected function generateHash(string $token):string
471			{
472			return hash_hmac("sha256", $token, Constant::HASH_KEY);
473			}
474			}

Starbugstone / blogoc

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