RuleParser::parseRule() - Code Metrics - Inspection of "Merge pull request #24 from mtolhuys/develop" - mtolhuys/laravel-schematics - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 5247f7...5089a0 )

by Maarten

created 2020-03-09 17:48 UTC

RuleParser::parseRule() A

↳ Parent: RuleParser

Complexity

Conditions	3
Paths	3

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	27
rs	9.488
c	0
b	0
f	0
cc	3
nc	3
nop	1

<?php

namespace Mtolhuys\LaravelSchematics\Services;

use Mtolhuys\LaravelSchematics\Models\Migration;

class RuleParser
{
    /**
     * @param $rule
     * @return string|null
     */
    public static function parseRule($rule = null)
    {
        if (! $rule) {
            return 'string|max:255';
        }

        $valid = array_diff(explode('|', $rule), [
            'mediumIncrements',
            'smallIncrements',
            'tinyIncrements',
            'rememberToken',
            'softDeletesTz',
            'bigIncrements',
            'renameColumn',
            'softDeletes',
            'dropColumn',
            'increments',
            'macAddress',
            'unsigned',
        ]);

        if (empty($valid)) {
            return null;
        }

        return self::toRule(implode('|', $valid));
    }

    /**
     * @param string $rawRules
     * @return string
     */
    public static function toRule(string $rawRules): string
    {
        $translations = [
            'unsignedInteger' => 'numeric',
            'mediumInteger' => 'numeric',
            'smallInteger' => 'numeric',
            'tinyInteger' => 'numeric',
            'bigInteger' => 'numeric',
            'macAddress'  => 'string',
            'integer' => 'numeric',
            'decimal' => 'numeric',
            'dateTimeTz' => 'date',
            'dateTime' => 'date',
            'timestampTz' => 'date',
            'timestamp' => 'date',
            'string' => 'string',
            'ipAddress' => 'ip',
            'enum' => 'numeric',
            'point' => 'numeric',
            'polygon' => 'numeric',
            'longText' => 'string',
            'text' => 'string',
            'json' => 'json',
            'jsonb' => 'json',
            'time' => 'date_format:H:i',
        ];

        return str_replace(
            array_keys($translations),
            array_values($translations),
            $rawRules
        );
    }
    /**
     * Parse the rules to column creation methods
     *
     * @param $fields
     * @return string
     */
    public static function fieldsToMigrationMethods(array $fields): string
    {
        $columns = '';

        foreach ($fields as $field) {
            $column = key($field);
            $rule = $field[$column];
            $break = PHP_EOL . str_repeat(' ', 12);

            if (self::isMethodOnly($rule)) {
                $columns .= "\$table->{$rule}();{$break}";

                continue;
            }

            $max = self::getMax($rule);
            $method = self::getMethod($rule);
            $oldName = self::getRenameFrom($rule);
            $additional = self::getAdditionalUpMethods($rule);

            $columns .= "\$table->{$method}({$oldName}'$column'{$max}){$additional}{$break}";
        }

        return $columns;
    }

    /**
     * @param $rule
     * @return string
     */
    public static function getAdditionalUpMethods($rule): string
    {
        $methods = '';
        $methods .= self::isUnsigned($rule) ? '->unsigned()' : '';
        $methods .= !self::isRequired($rule) ? '->nullable()' : '';
        $methods .= self::isUnique($rule) ? '->unique()' : '';
        $methods .= self::hasChanged($rule) ? '->change()' : '';

        return "$methods;";
    }

    /**
     * Check if $rule should be handled as single method
     *
     * @param $rule
     * @return mixed|string
     */
    public static function isMethodOnly($rule)
    {

        return self::ruleContains($rule, [
            'softDeletes',
            'rememberToken',
            'softDeletesTz',
        ]);
    }

    /**
     * Check if $rule contains any of the possible methods
     *
     * @param $rule
     * @return mixed|string
     */
    public static function getMethod($rule)
    {
        foreach (Migration::$methods as $method) {
            if (stripos($rule, strtolower($method)) !== false) {
                return $method;
            }
        }

        return 'string';
    }

    /**
     * Parses the max:* rule
     *
     * @param $rule
     * @return string
     */
    public static function getMax($rule): string
    {
        $max = (int)substr($rule, strpos($rule, 'max:') + 4);

        if ($max > 0) {
            return ", $max";
        }

        return '';
    }

    /**
     * Gets old name for renaming column
     *
     * @param $rule
     * @return string
     */
    public static function getRenameFrom($rule): string
    {
        foreach (explode('|', $rule) as $token) {
            $hasRenameRule = stripos($token, 'from:') !== false;

            if ($hasRenameRule) {
                $from = substr($token, strpos($token, 'from:') + 5);

                return "'$from', ";
            }
        }

        return '';
    }

    /**
     * Checks if column can be set to nullable
     *
     * @param $rule
     * @return boolean
     */
    public static function isRequired($rule): bool
    {
        return self::ruleContains($rule, ['required'])
            || self::isIncrements($rule)
            || self::isUnique($rule);
    }

    /**
     * Checks if columns needs to be set to unique
     *
     * @param $rule
     * @return boolean
     */
    public static function isIncrements($rule): bool
    {
        return self::ruleContains($rule, [
            'increments',
            'bigIncrements',
            'mediumIncrements',
            'smallIncrements',
            'tinyIncrements',
        ]);
    }

    /**
     * Checks if columns needs to be set to unique
     *
     * @param $rule
     * @return boolean
     */
    public static function isUnique($rule): bool
    {
        return self::ruleContains($rule, ['unique']);
    }

    /**
     * Checks if columns is unsigned
     *
     * @param $rule
     * @return boolean
     */
    public static function isUnsigned($rule): bool
    {
        return self::ruleContains($rule, ['unsigned'])
            && ! self::ruleContains($rule, ['unsignedInteger']);
    }


    /**
     * Checks if columns has changed
     *
     * @param $rule
     * @return boolean
     */
    public static function hasChanged($rule): bool
    {
        return self::ruleContains($rule, ['change']);
    }

    /**
     * Checks if columns needs to be constructed as a foreign key
     *
     * @param $rule
     * @return boolean
     */
    public static function isForeign($rule): bool
    {
        return self::ruleContains($rule, ['foreign']);
    }

    /**
     * For aesthetic reasons
     *
     * @param $rule
     * @param $needles
     * @return bool
     */
    private static function ruleContains($rule, array $needles): bool
    {
        return !empty(array_filter(
            array_map(static function ($rule) use ($needles) {
                return in_array($rule, $needles, true);
            }, explode('|', $rule))
        ));
    }
}



1			<?php
2
3			namespace Mtolhuys\LaravelSchematics\Services;
4
5			use Mtolhuys\LaravelSchematics\Models\Migration;
6
7			class RuleParser
8			{
9			/**
10			* @param $rule
11			* @return string\|null
12			*/
13			public static function parseRule($rule = null)
14			{
15			if (! $rule) {
16			return 'string\|max:255';
17			}
18
19			$valid = array_diff(explode('\|', $rule), [
20			'mediumIncrements',
21			'smallIncrements',
22			'tinyIncrements',
23			'rememberToken',
24			'softDeletesTz',
25			'bigIncrements',
26			'renameColumn',
27			'softDeletes',
28			'dropColumn',
29			'increments',
30			'macAddress',
31			'unsigned',
32			]);
33
34			if (empty($valid)) {
35			return null;
36			}
37
38			return self::toRule(implode('\|', $valid));
39			}
40
41			/**
42			* @param string $rawRules
43			* @return string
44			*/
45			public static function toRule(string $rawRules): string
46			{
47			$translations = [
48			'unsignedInteger' => 'numeric',
49			'mediumInteger' => 'numeric',
50			'smallInteger' => 'numeric',
51			'tinyInteger' => 'numeric',
52			'bigInteger' => 'numeric',
53			'macAddress' => 'string',
54			'integer' => 'numeric',
55			'decimal' => 'numeric',
56			'dateTimeTz' => 'date',
57			'dateTime' => 'date',
58			'timestampTz' => 'date',
59			'timestamp' => 'date',
60			'string' => 'string',
61			'ipAddress' => 'ip',
62			'enum' => 'numeric',
63			'point' => 'numeric',
64			'polygon' => 'numeric',
65			'longText' => 'string',
66			'text' => 'string',
67			'json' => 'json',
68			'jsonb' => 'json',
69			'time' => 'date_format:H:i',
70			];
71
72			return str_replace(
73			array_keys($translations),
74			array_values($translations),
75			$rawRules
76			);
77			}
78			/**
79			* Parse the rules to column creation methods
80			*
81			* @param $fields
82			* @return string
83			*/
84			public static function fieldsToMigrationMethods(array $fields): string
85			{
86			$columns = '';
87
88			foreach ($fields as $field) {
89			$column = key($field);
90			$rule = $field[$column];
91			$break = PHP_EOL . str_repeat(' ', 12);
92
93			if (self::isMethodOnly($rule)) {
94			$columns .= "\$table->{$rule}();{$break}";
95
96			continue;
97			}
98
99			$max = self::getMax($rule);
100			$method = self::getMethod($rule);
101			$oldName = self::getRenameFrom($rule);
102			$additional = self::getAdditionalUpMethods($rule);
103
104			$columns .= "\$table->{$method}({$oldName}'$column'{$max}){$additional}{$break}";
105			}
106
107			return $columns;
108			}
109
110			/**
111			* @param $rule
112			* @return string
113			*/
114			public static function getAdditionalUpMethods($rule): string
115			{
116			$methods = '';
117			$methods .= self::isUnsigned($rule) ? '->unsigned()' : '';
118			$methods .= !self::isRequired($rule) ? '->nullable()' : '';
119			$methods .= self::isUnique($rule) ? '->unique()' : '';
120			$methods .= self::hasChanged($rule) ? '->change()' : '';
121
122			return "$methods;";
123			}
124
125			/**
126			* Check if $rule should be handled as single method
127			*
128			* @param $rule
129			* @return mixed\|string
130			*/
131			public static function isMethodOnly($rule)
132			{
133
134			return self::ruleContains($rule, [
135			'softDeletes',
136			'rememberToken',
137			'softDeletesTz',
138			]);
139			}
140
141			/**
142			* Check if $rule contains any of the possible methods
143			*
144			* @param $rule
145			* @return mixed\|string
146			*/
147			public static function getMethod($rule)
148			{
149			foreach (Migration::$methods as $method) {
150			if (stripos($rule, strtolower($method)) !== false) {
151			return $method;
152			}
153			}
154
155			return 'string';
156			}
157
158			/**
159			* Parses the max:* rule
160			*
161			* @param $rule
162			* @return string
163			*/
164			public static function getMax($rule): string
165			{
166			$max = (int)substr($rule, strpos($rule, 'max:') + 4);
167
168			if ($max > 0) {
169			return ", $max";
170			}
171
172			return '';
173			}
174
175			/**
176			* Gets old name for renaming column
177			*
178			* @param $rule
179			* @return string
180			*/
181			public static function getRenameFrom($rule): string
182			{
183			foreach (explode('\|', $rule) as $token) {
184			$hasRenameRule = stripos($token, 'from:') !== false;
185
186			if ($hasRenameRule) {
187			$from = substr($token, strpos($token, 'from:') + 5);
188
189			return "'$from', ";
190			}
191			}
192
193			return '';
194			}
195
196			/**
197			* Checks if column can be set to nullable
198			*
199			* @param $rule
200			* @return boolean
201			*/
202			public static function isRequired($rule): bool
203			{
204			return self::ruleContains($rule, ['required'])
205			\|\| self::isIncrements($rule)
206			\|\| self::isUnique($rule);
207			}
208
209			/**
210			* Checks if columns needs to be set to unique
211			*
212			* @param $rule
213			* @return boolean
214			*/
215			public static function isIncrements($rule): bool
216			{
217			return self::ruleContains($rule, [
218			'increments',
219			'bigIncrements',
220			'mediumIncrements',
221			'smallIncrements',
222			'tinyIncrements',
223			]);
224			}
225
226			/**
227			* Checks if columns needs to be set to unique
228			*
229			* @param $rule
230			* @return boolean
231			*/
232			public static function isUnique($rule): bool
233			{
234			return self::ruleContains($rule, ['unique']);
235			}
236
237			/**
238			* Checks if columns is unsigned
239			*
240			* @param $rule
241			* @return boolean
242			*/
243			public static function isUnsigned($rule): bool
244			{
245			return self::ruleContains($rule, ['unsigned'])
246			&& ! self::ruleContains($rule, ['unsignedInteger']);
247			}
248
249
250			/**
251			* Checks if columns has changed
252			*
253			* @param $rule
254			* @return boolean
255			*/
256			public static function hasChanged($rule): bool
257			{
258			return self::ruleContains($rule, ['change']);
259			}
260
261			/**
262			* Checks if columns needs to be constructed as a foreign key
263			*
264			* @param $rule
265			* @return boolean
266			*/
267			public static function isForeign($rule): bool
268			{
269			return self::ruleContains($rule, ['foreign']);
270			}
271
272			/**
273			* For aesthetic reasons
274			*
275			* @param $rule
276			* @param $needles
277			* @return bool
278			*/
279			private static function ruleContains($rule, array $needles): bool
280			{
281			return !empty(array_filter(
282			array_map(static function ($rule) use ($needles) {
283			return in_array($rule, $needles, true);
284			}, explode('\|', $rule))
285			));
286			}
287			}
288
289

mtolhuys / laravel-schematics

Push — master ( 5247f7...5089a0 )

RuleParser::parseRule() A

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