1 | <?php |
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2 | |||||
3 | namespace DNADesign\Elemental\Models; |
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4 | |||||
5 | use DNADesign\Elemental\Extensions\ElementalAreasExtension; |
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6 | use SilverStripe\Core\ClassInfo; |
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7 | use SilverStripe\Core\Injector\Injector; |
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8 | use SilverStripe\Dev\TestOnly; |
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9 | use SilverStripe\ORM\ArrayList; |
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10 | use SilverStripe\ORM\DataObject; |
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11 | use SilverStripe\ORM\FieldType\DBField; |
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12 | use SilverStripe\ORM\FieldType\DBHTMLText; |
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13 | use SilverStripe\ORM\HasManyList; |
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14 | use SilverStripe\ORM\UnsavedRelationList; |
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15 | use SilverStripe\Versioned\Versioned; |
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16 | use SilverStripe\View\ViewableData; |
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17 | |||||
18 | /** |
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19 | * Class ElementalArea |
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20 | * @package DNADesign\Elemental\Models |
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21 | * |
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22 | * @property string $OwnerClassName |
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23 | * |
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24 | * @mixin Versioned |
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25 | */ |
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26 | class ElementalArea extends DataObject |
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27 | { |
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28 | private static $db = [ |
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29 | 'OwnerClassName' => 'Varchar(255)', |
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30 | ]; |
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31 | |||||
32 | private static $has_many = [ |
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33 | 'Elements' => BaseElement::class, |
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34 | ]; |
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35 | |||||
36 | private static $extensions = [ |
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37 | Versioned::class, |
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38 | ]; |
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39 | |||||
40 | private static $owns = [ |
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41 | 'Elements', |
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42 | ]; |
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43 | |||||
44 | private static $cascade_deletes = [ |
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45 | 'Elements', |
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46 | ]; |
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47 | |||||
48 | private static $cascade_duplicates = [ |
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49 | 'Elements', |
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50 | ]; |
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51 | |||||
52 | private static $summary_fields = [ |
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53 | 'Title' => 'Title', |
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54 | ]; |
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55 | |||||
56 | private static $table_name = 'ElementalArea'; |
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57 | |||||
58 | /** |
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59 | * Don't show this model in campaign admin as part of implicit change sets |
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60 | * |
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61 | * @config |
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62 | * @var bool |
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63 | */ |
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64 | private static $hide_in_campaigns = true; |
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65 | |||||
66 | /** |
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67 | * Cache various data to improve CMS load time |
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68 | * |
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69 | * @internal |
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70 | * @var array |
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71 | */ |
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72 | protected $cacheData = []; |
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73 | |||||
74 | /** |
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75 | * @return array |
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76 | */ |
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77 | public function supportedPageTypes() |
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78 | { |
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79 | $elementalClasses = []; |
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80 | |||||
81 | foreach (ClassInfo::getValidSubClasses(DataObject::class) as $class) { |
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82 | if (ViewableData::has_extension($class, ElementalAreasExtension::class)) { |
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83 | $elementalClasses[] = $class; |
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84 | } |
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85 | } |
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86 | |||||
87 | return $elementalClasses; |
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88 | } |
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89 | |||||
90 | /** |
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91 | * @return DBHTMLText |
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92 | */ |
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93 | public function forTemplate() |
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94 | { |
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95 | return $this->renderWith(static::class); |
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96 | } |
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97 | |||||
98 | /** |
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99 | * @param ArrayList $elements |
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100 | * @return $this |
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101 | */ |
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102 | public function setElementsCached(ArrayList $elements) |
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103 | { |
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104 | $this->cacheData['elements'] = $elements; |
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105 | |||||
106 | return $this; |
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107 | } |
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108 | |||||
109 | /** |
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110 | * @param DataObject $page |
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111 | * @return $this |
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112 | */ |
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113 | public function setOwnerPageCached(DataObject $page) |
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114 | { |
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115 | $cacheKey = 'owner_page_'. Versioned::get_reading_mode(); |
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116 | |||||
117 | $this->cacheData[$cacheKey] = $page; |
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118 | |||||
119 | return $this; |
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120 | } |
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121 | |||||
122 | /** |
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123 | * A cache-aware accessor for the elements |
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124 | * @return ArrayList|HasManyList|BaseElement[] |
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125 | */ |
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126 | public function Elements() |
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127 | { |
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128 | if (isset($this->cacheData['elements'])) { |
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129 | return $this->cacheData['elements']; |
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130 | } |
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131 | |||||
132 | return parent::Elements(); |
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The method
Elements() does not exist on SilverStripe\ORM\DataObject . Are you sure you never get this type here, but always one of the subclasses?
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
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133 | } |
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134 | |||||
135 | /** |
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136 | * Necessary to display results in CMS site search. |
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137 | * |
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138 | * @return DBField |
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139 | */ |
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140 | public function Breadcrumbs() |
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141 | { |
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142 | $ownerClassName = $this->OwnerClassName; |
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143 | |||||
144 | if ($owner = $ownerClassName::get()->filter('ElementalAreaID', $this->ID)->first()) { |
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145 | return DBField::create_field('HTMLText', sprintf( |
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146 | '<a href="%s">%s</a>', |
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147 | $owner->CMSEditLink(), |
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148 | $owner->Title |
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149 | )); |
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150 | } |
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151 | |||||
152 | return null; |
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153 | } |
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154 | |||||
155 | /** |
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156 | * Used in template instead of {@link Elements()} to wrap each element in |
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157 | * its' controller, making it easier to access and process form logic and |
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158 | * actions stored in {@link ElementController}. |
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159 | * |
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160 | * @return ArrayList |
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161 | * @throws \Exception |
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162 | */ |
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163 | public function ElementControllers() |
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164 | { |
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165 | // Don't try and process unsaved lists |
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166 | if ($this->Elements() instanceof UnsavedRelationList) { |
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167 | return ArrayList::create(); |
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168 | } |
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169 | |||||
170 | $controllers = ArrayList::create(); |
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171 | $items = $this->Elements()->filterByCallback(function (BaseElement $item) { |
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172 | return $item->canView(); |
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173 | }); |
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174 | |||||
175 | if (!is_null($items)) { |
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176 | foreach ($items as $element) { |
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177 | $controller = $element->getController(); |
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178 | $controllers->push($controller); |
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179 | } |
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180 | } |
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181 | |||||
182 | return $controllers; |
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183 | } |
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184 | |||||
185 | /** |
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186 | * @return null|DataObject |
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187 | * @throws \Psr\Container\NotFoundExceptionInterface |
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188 | * @throws \SilverStripe\ORM\ValidationException |
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189 | */ |
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190 | public function getOwnerPage() |
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191 | { |
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192 | // You can't find the owner page of a area that hasn't been save yet |
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193 | if (!$this->isInDB()) { |
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194 | return null; |
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195 | } |
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196 | |||||
197 | // Allow for repeated calls to read from cache |
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198 | $cacheKey = 'owner_page_'. Versioned::get_reading_mode(); |
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199 | |||||
200 | if (isset($this->cacheData[$cacheKey])) { |
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201 | return $this->cacheData[$cacheKey]; |
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202 | } |
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203 | |||||
204 | if ($this->OwnerClassName && ClassInfo::exists($this->OwnerClassName)) { |
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205 | $class = $this->OwnerClassName; |
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206 | $instance = Injector::inst()->get($class); |
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207 | if (!ClassInfo::hasMethod($instance, 'getElementalRelations')) { |
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208 | return null; |
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209 | } |
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210 | $elementalAreaRelations = $instance->getElementalRelations(); |
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211 | |||||
212 | foreach ($elementalAreaRelations as $eaRelationship) { |
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213 | $areaID = $eaRelationship . 'ID'; |
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214 | |||||
215 | $table = DataObject::getSchema()->tableForField($class, $areaID); |
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216 | $baseTable = DataObject::getSchema()->baseDataTable($class); |
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217 | $page = DataObject::get_one($class, [ |
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218 | "\"{$table}\".\"{$areaID}\" = ?" => $this->ID, |
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219 | "\"{$baseTable}\".\"ClassName\" = ?" => $class |
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220 | ]); |
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221 | |||||
222 | if ($page) { |
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223 | $this->setOwnerPageCached($page); |
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224 | |||||
225 | return $page; |
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226 | } |
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227 | } |
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228 | } |
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229 | |||||
230 | foreach ($this->supportedPageTypes() as $class) { |
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231 | $instance = Injector::inst()->get($class); |
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232 | if (!ClassInfo::hasMethod($instance, 'getElementalRelations')) { |
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233 | return null; |
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234 | } |
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235 | |||||
236 | $areaIDFilters = []; |
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237 | foreach ($instance->getElementalRelations() as $eaRelationship) { |
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238 | $areaIDFilters[$eaRelationship . 'ID'] = $this->ID; |
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239 | } |
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240 | |||||
241 | try { |
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242 | $page = DataObject::get($class)->filterAny($areaIDFilters)->first(); |
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243 | } catch (\Exception $ex) { |
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244 | // Usually this is catching cases where test stubs from other modules are trying to be loaded |
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245 | // and failing in unit tests. |
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246 | if (in_array(TestOnly::class, class_implements($class))) { |
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247 | continue; |
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248 | } |
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249 | // Continue as normal... |
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250 | throw $ex; |
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251 | } |
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252 | |||||
253 | if ($page) { |
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254 | if ($this->OwnerClassName !== $class) { |
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255 | $this->OwnerClassName = $class; |
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256 | |||||
257 | // Avoid recursion: only write if it's already in the database |
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258 | if ($this->isInDB()) { |
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259 | $this->write(); |
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260 | } |
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261 | } |
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262 | |||||
263 | $this->setOwnerPageCached($page); |
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264 | |||||
265 | return $page; |
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266 | } |
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267 | } |
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268 | |||||
269 | return null; |
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270 | } |
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271 | |||||
272 | /** |
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273 | * @param null $member |
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274 | * @return bool |
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275 | * @throws \Psr\Container\NotFoundExceptionInterface |
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276 | * @throws \SilverStripe\ORM\ValidationException |
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277 | */ |
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278 | public function canEdit($member = null) |
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279 | { |
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280 | if (parent::canEdit($member)) { |
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281 | return true; |
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282 | } |
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283 | |||||
284 | $ownerPage = $this->getOwnerPage(); |
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285 | if ($ownerPage !== null) { |
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286 | return $this->getOwnerPage()->canEdit($member); |
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287 | } |
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288 | |||||
289 | return false; |
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290 | } |
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291 | |||||
292 | /** |
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293 | * @param null $member |
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294 | * @return bool |
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295 | * @throws \Psr\Container\NotFoundExceptionInterface |
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296 | * @throws \SilverStripe\ORM\ValidationException |
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297 | */ |
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298 | public function canView($member = null) |
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299 | { |
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300 | if (parent::canEdit($member)) { |
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301 | return true; |
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302 | } |
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303 | |||||
304 | $ownerPage = $this->getOwnerPage(); |
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305 | if ($ownerPage !== null) { |
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306 | return $this->getOwnerPage()->canView($member); |
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307 | } |
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308 | |||||
309 | return false; |
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310 | } |
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311 | } |
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312 |