1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272
<?php
namespace Alpha\Model\Type;
use Alpha\Util\Helper\Validator;
use Alpha\Exception\IllegalArguementException;
use Alpha\Exception\RecordNotFoundException;
use Alpha\Model\ActiveRecord;
/**
* A custom sequence datatype, which is stored as a string and is made up of a string prefix
* and an integer sequence, which is stored in a database.
*
* @since 1.0
*
* @author John Collins <dev@alphaframework.org>
* @license http://www.opensource.org/licenses/bsd-license.php The BSD License
* @copyright Copyright (c) 2018, John Collins (founder of Alpha Framework).
* All rights reserved.
*
* <pre>
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the
* following conditions are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
* * Neither the name of the Alpha Framework nor the names
* of its contributors may be used to endorse or promote
* products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* </pre>
*/
class Sequence extends ActiveRecord implements TypeInterface
{
/**
* The string prefix (must be capital alphabet characters only).
*
* @var \Alpha\Model\String
*
* @since 1.0
*/
protected $prefix;
/**
* The integer sequence number incremented for each Sequence value with this prefix.
*
* @var \Alpha\Model\Integer
*
* @since 1.0
*/
protected $sequence;
/**
* The name of the database table for the class.
*
* @var string
*
* @since 1.0
*/
const TABLE_NAME = 'Sequence';
/**
* An array of data display labels for the class properties.
*
* @var array
*
* @since 1.0
*/
protected $dataLabels = array('ID' => 'Sequence ID#', 'prefix' => 'Sequence prefix', 'sequence' => 'Sequence number');
/**
* The message to display to the user when validation fails.
*
* @var string
*
* @since 1.0
*/
protected $helper = 'Not a valid sequence value!';
/**
* The size of the value for the this Sequence.
*
* @var int
*
* @since 1.0
*/
protected $size = 255;
/**
* The validation rule for the Sequence type.
*
* @var string
*
* @since 1.0
*/
protected $validationRule;
/**
* The absolute maximum size of the value for the this Sequence.
*
* @var int
*
* @since 1.0
*/
const MAX_SIZE = 255;
/**
* The constructor.
*
* @since 1.0
*/
public function __construct()
{
// ensure to call the parent constructor
parent::__construct();
$this->validationRule = Validator::ALLOW_ALL;
$this->sequence = new Integer();
$this->prefix = new SmallText();
$this->prefix->setRule(Validator::REQUIRED_ALPHA_UPPER);
$this->prefix->setHelper('Sequence prefix must be uppercase string!');
$this->markUnique('prefix');
$this->markTransient('helper');
$this->markTransient('validationRule');
$this->markTransient('size');
}
/**
* Get the validation rule.
*
* @return string
*
* @since 1.0
*/
public function getRule()
{
return $this->validationRule;
}
/**
* Sets the sequence number to be the maximum value matching the prefix in the database
* plus one. Note that calling this method increments the maximum value in the database.
*
* @since 1.0
*/
public function setSequenceToNext()
{
try {
$this->loadByAttribute('prefix', $this->prefix->getValue());
} catch (RecordNotFoundException $e) {
$this->set('sequence', 0);
}
$this->set('sequence', $this->get('sequence')+1);
$this->save();
}
/**
* Getter for the validation helper string.
*
* @return string
*
* @since 1.0
*/
public function getHelper()
{
return $this->helper;
}
/**
* Set the validation helper text.
*
* @param string $helper
*
* @since 1.0
*/
public function setHelper($helper)
{
$this->helper = $helper;
}
/**
* Used to get the Sequence value as a string.
*
* @return string
*
* @since 1.0
*/
public function getValue()
{
if ($this->prefix->getValue() != '' && $this->sequence->getValue() != 0) {
return $this->prefix->getValue().'-'.$this->sequence->getValue();
} else {
return '';
}
}
/**
* Accepts a string to set the Sequence prefix/sequence values to, in the
* format PREFIX-00000000000.
*
* @param string $val
*
* @since 1.0
*
* @throws \Alpha\Exception\IllegalArguementException
*/
public function setValue($val)
{
if (mb_strlen($val) <= $this->size) {
if (!empty($val)) {
if (!Validator::isSequence($val)) {
throw new IllegalArguementException($this->helper);
}
$parts = explode('-', $val);
$this->prefix->setValue($parts[0]);
$this->sequence->setValue($parts[1]);
}
} else {
throw new IllegalArguementException($this->helper);
}
}
/**
* Get the allowable size of the Sequence in the database field.
*
* @return int
*
* @since 1.0
*/
public function getSize()
{
return $this->size;
}
/**
* Used to convert the object to a printable string.
*
* @return string
*
* @since 1.0
*/
public function __toString()
{
return $this->prefix->getValue().'-'.$this->sequence->getValue();
}
}