HtmlForm::getFirstError() - Code Metrics - Inspection of "Implement `FormErrors` attributes." - yiisoft/form - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#147)

by Wilmer

created 2021-11-05 14:17 UTC

HtmlForm::getFirstError() A

↳ Parent: HtmlForm

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	1
c	0
b	0
f	0
nc	1
nop	2
dl	0
loc	3
ccs	2
cts	2
cp	1
crap	1
rs	10

<?php

declare(strict_types=1);

namespace Yiisoft\Form\Helper;

use InvalidArgumentException;
use Stringable;
use UnexpectedValueException;
use Yiisoft\Form\FormModelInterface;

/**
 * Form-related HTML tag generation
 */
final class HtmlForm
{
    /**
     * Return the attribute hint for the model.
     *
     * @param FormModelInterface $formModel the form object.
     * @param string $attribute the attribute name or expression.
     *
     * @return string
     */
    public static function getAttributeHint(FormModelInterface $formModel, string $attribute): string
    {
        return $formModel->getAttributeHint(self::getAttributeName($formModel, $attribute));
    }

    /**
     * Returns the label of the specified attribute name.
     *
     * @param FormModelInterface $formModel the form object.
     * @param string $attribute the attribute name or expression.
     *
     * @throws InvalidArgumentException if the attribute name contains non-word characters.
     *
     * @return string
     */
    public static function getAttributeLabel(FormModelInterface $formModel, string $attribute): string
    {
        return $formModel->getAttributeLabel(self::getAttributeName($formModel, $attribute));
    }

    /**
     * Returns the real attribute name from the given attribute expression.
     * If `$attribute` has neither prefix nor suffix, it will be returned without change.
     *
     * @param FormModelInterface $formModel the form object.
     * @param string $attribute the attribute name or expression
     *
     * @throws InvalidArgumentException if the attribute name contains non-word characters.
     *
     * @return string the attribute name without prefix and suffix.
     *
     * @see static::parseAttribute()
     */
    public static function getAttributeName(FormModelInterface $formModel, string $attribute): string
    {
        $attribute = self::parseAttribute($attribute)['name'];

        if (!$formModel->hasAttribute($attribute)) {
            throw new invalidArgumentException("Attribute '$attribute' does not exist.");
        }

        return $attribute;
    }

    /**
     * Returns the value of the specified attribute name or expression.
     *
     * For an attribute expression like `[0]dates[0]`, this method will return the value of `$form->dates[0]`.
     * See {@see getAttributeName()} for more details about attribute expression.
     *
     * If an attribute value an array of such instances, the primary value(s) of the AR instance(s) will be returned
     * instead.
     *
     * @param FormModelInterface $formModel the form object.
     * @param string $attribute the attribute name or expression.
     *
     * @throws InvalidArgumentException if the attribute name contains non-word characters.
     *
     * @return iterable|object|scalar|Stringable|null the corresponding attribute value.
     */
    public static function getAttributeValue(FormModelInterface $formModel, string $attribute)
    {
        return $formModel->getAttributeValue(self::getAttributeName($formModel, $attribute));
    }

    /**
     * Generates an appropriate input ID for the specified attribute name or expression.
     *
     * This method converts the result {@see getInputName()} into a valid input ID.
     *
     * For example, if {@see getInputName()} returns `Post[content]`, this method will return `post-content`.
     *
     * @param FormModelInterface $formModel the form object
     * @param string $attribute the attribute name or expression. See {@see getAttributeName()} for explanation of
     * attribute expression.
     * @param string $charset default `UTF-8`.
     *
     * @throws InvalidArgumentException if the attribute name contains non-word characters.
     * @throws UnexpectedValueException if charset is unknown
     *
     * @return string the generated input ID.
     */
    public static function getInputId(
        FormModelInterface $formModel,
        string $attribute,
        string $charset = 'UTF-8'
    ): string {
        $name = mb_strtolower(self::getInputName($formModel, $attribute), $charset);
        return str_replace(['[]', '][', '[', ']', ' ', '.'], ['', '-', '-', '', '-', '-'], $name);
    }

    /**
     * Generates an appropriate input name for the specified attribute name or expression.
     *
     * This method generates a name that can be used as the input name to collect user input for the specified
     * attribute. The name is generated according to the of the form and the given attribute name. For example, if the
     * form name of the `Post` form is `Post`, then the input name generated for the `content` attribute would be
     * `Post[content]`.
     *
     * See {@see getAttributeName()} for explanation of attribute expression.
     *
     * @param FormModelInterface $formModel the form object.
     * @param string $attribute the attribute name or expression.
     *
     * @throws InvalidArgumentException if the attribute name contains non-word characters
     * or empty form name for tabular inputs
     *
     * @return string the generated input name.
     */
    public static function getInputName(FormModelInterface $formModel, string $attribute): string
    {
        $data = self::parseAttribute($attribute);
        $formName = $formModel->getFormName();

        if ($formName === '' && $data['prefix'] === '') {
            return $attribute;
        }

        if ($formName !== '') {
            return "{$formName}{$data['prefix']}[{$data['name']}]{$data['suffix']}";
        }

        throw new InvalidArgumentException('formName() cannot be empty for tabular inputs.');
    }

    /**
     * This method parses an attribute expression and returns an associative array containing
     * real attribute name, prefix and suffix.
     * For example: `['name' => 'content', 'prefix' => '', 'suffix' => '[0]']`
     *
     * An attribute expression is an attribute name prefixed and/or suffixed with array indexes. It is mainly used in
     * tabular data input and/or input of array type. Below are some examples:
     *
     * - `[0]content` is used in tabular data input to represent the "content" attribute for the first model in tabular
     *    input;
     * - `dates[0]` represents the first array element of the "dates" attribute;
     * - `[0]dates[0]` represents the first array element of the "dates" attribute for the first model in tabular
     *    input.
     *
     * @param string $attribute the attribute name or expression
     *
     * @throws InvalidArgumentException if the attribute name contains non-word characters.
     *
     * @return string[] the attribute name, prefix and suffix.
     */
    private static function parseAttribute(string $attribute): array
    {
        if (!preg_match('/(^|.*\])([\w\.\+]+)(\[.*|$)/u', $attribute, $matches)) {
            throw new InvalidArgumentException('Attribute name must contain word characters only.');
        }
        return [
            'name' => $matches[2],
            'prefix' => $matches[1],
            'suffix' => $matches[3],
        ];
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Form\Helper;
6
7		use InvalidArgumentException;
8		use Stringable;
9		use UnexpectedValueException;
10		use Yiisoft\Form\FormModelInterface;
11
12		/**
13		* Form-related HTML tag generation
14		*/
15		final class HtmlForm
16		{
17		/**
18		* Return the attribute hint for the model.
19		*
20		* @param FormModelInterface $formModel the form object.
21		* @param string $attribute the attribute name or expression.
22		*
23		* @return string
24		*/
25	147	public static function getAttributeHint(FormModelInterface $formModel, string $attribute): string
26		{
27	147	return $formModel->getAttributeHint(self::getAttributeName($formModel, $attribute));
28		}
29
30		/**
31		* Returns the label of the specified attribute name.
32		*
33		* @param FormModelInterface $formModel the form object.
34		* @param string $attribute the attribute name or expression.
35		*
36		* @throws InvalidArgumentException if the attribute name contains non-word characters.
37		*
38		* @return string
39		*/
40	154	public static function getAttributeLabel(FormModelInterface $formModel, string $attribute): string
41		{
42	154	return $formModel->getAttributeLabel(self::getAttributeName($formModel, $attribute));
43		}
44
45		/**
46		* Returns the real attribute name from the given attribute expression.
47		* If `$attribute` has neither prefix nor suffix, it will be returned without change.
48		*
49		* @param FormModelInterface $formModel the form object.
50		* @param string $attribute the attribute name or expression
51		*
52		* @throws InvalidArgumentException if the attribute name contains non-word characters.
53		*
54		* @return string the attribute name without prefix and suffix.
55		*
56		* @see static::parseAttribute()
57		*/
58	311	public static function getAttributeName(FormModelInterface $formModel, string $attribute): string
59		{
60	311	$attribute = self::parseAttribute($attribute)['name'];
61
62	310	if (!$formModel->hasAttribute($attribute)) {
63	1	throw new invalidArgumentException("Attribute '$attribute' does not exist.");
64		}
65
66	309	return $attribute;
67		}
68
69		/**
70		* Returns the value of the specified attribute name or expression.
71		*
72		* For an attribute expression like `[0]dates[0]`, this method will return the value of `$form->dates[0]`.
73		* See {@see getAttributeName()} for more details about attribute expression.
74		*
75		* If an attribute value an array of such instances, the primary value(s) of the AR instance(s) will be returned
76		* instead.
77		*
78		* @param FormModelInterface $formModel the form object.
79		* @param string $attribute the attribute name or expression.
80		*
81		* @throws InvalidArgumentException if the attribute name contains non-word characters.
82		*
83		* @return iterable\|object\|scalar\|Stringable\|null the corresponding attribute value.
84		*/
85	285	public static function getAttributeValue(FormModelInterface $formModel, string $attribute)
86		{
87	285	return $formModel->getAttributeValue(self::getAttributeName($formModel, $attribute));
88		}
89
90		/**
91		* Generates an appropriate input ID for the specified attribute name or expression.
92		*
93		* This method converts the result {@see getInputName()} into a valid input ID.
94		*
95		* For example, if {@see getInputName()} returns `Post[content]`, this method will return `post-content`.
96		*
97		* @param FormModelInterface $formModel the form object
98		* @param string $attribute the attribute name or expression. See {@see getAttributeName()} for explanation of
99		* attribute expression.
100		* @param string $charset default `UTF-8`.
101		*
102		* @throws InvalidArgumentException if the attribute name contains non-word characters.
103		* @throws UnexpectedValueException if charset is unknown
104		*
105		* @return string the generated input ID.
106		*/
107	266	public static function getInputId(
108		FormModelInterface $formModel,
109		string $attribute,
110		string $charset = 'UTF-8'
111		): string {
112	266	$name = mb_strtolower(self::getInputName($formModel, $attribute), $charset);
113	266	return str_replace(['[]', '][', '[', ']', ' ', '.'], ['', '-', '-', '', '-', '-'], $name);
114		}
115
116		/**
117		* Generates an appropriate input name for the specified attribute name or expression.
118		*
119		* This method generates a name that can be used as the input name to collect user input for the specified
120		* attribute. The name is generated according to the of the form and the given attribute name. For example, if the
121		* form name of the `Post` form is `Post`, then the input name generated for the `content` attribute would be
122		* `Post[content]`.
123		*
124		* See {@see getAttributeName()} for explanation of attribute expression.
125		*
126		* @param FormModelInterface $formModel the form object.
127		* @param string $attribute the attribute name or expression.
128		*
129		* @throws InvalidArgumentException if the attribute name contains non-word characters
130		* or empty form name for tabular inputs
131		*
132		* @return string the generated input name.
133		*/
134	281	public static function getInputName(FormModelInterface $formModel, string $attribute): string
135		{
136	281	$data = self::parseAttribute($attribute);
137	281	$formName = $formModel->getFormName();
138
139	281	if ($formName === '' && $data['prefix'] === '') {
140	2	return $attribute;
141		}
142
143	279	if ($formName !== '') {
144	278	return "{$formName}{$data['prefix']}[{$data['name']}]{$data['suffix']}";
145		}
146
147	1	throw new InvalidArgumentException('formName() cannot be empty for tabular inputs.');
148		}
149
150		/**
151		* This method parses an attribute expression and returns an associative array containing
152		* real attribute name, prefix and suffix.
153		* For example: `['name' => 'content', 'prefix' => '', 'suffix' => '[0]']`
154		*
155		* An attribute expression is an attribute name prefixed and/or suffixed with array indexes. It is mainly used in
156		* tabular data input and/or input of array type. Below are some examples:
157		*
158		* - `[0]content` is used in tabular data input to represent the "content" attribute for the first model in tabular
159		* input;
160		* - `dates[0]` represents the first array element of the "dates" attribute;
161		* - `[0]dates[0]` represents the first array element of the "dates" attribute for the first model in tabular
162		* input.
163		*
164		* @param string $attribute the attribute name or expression
165		*
166		* @throws InvalidArgumentException if the attribute name contains non-word characters.
167		*
168		* @return string[] the attribute name, prefix and suffix.
169		*/
170	326	private static function parseAttribute(string $attribute): array
171		{
172	326	if (!preg_match('/(^\|.\])([\w\.\+]+)(\[.\|$)/u', $attribute, $matches)) {
173	1	throw new InvalidArgumentException('Attribute name must contain word characters only.');
174		}
175		return [
176	325	'name' => $matches[2],
177	325	'prefix' => $matches[1],
178	325	'suffix' => $matches[3],
179		];
180		}
181		}
182

yiisoft / form

Pull Request — master (#147)

HtmlForm::getFirstError() A

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