216 lines
4.2 KiB
Markdown
216 lines
4.2 KiB
Markdown
# Item Metadata
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## Item Metadata Repository
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<!-- BEGIN DOC-COMMENT H3 src/classes/repositories/class-tainacan-item-metadata.php -->
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### `if ( $item_metadata->get_field()->get_parent() > 0 && is_null($item_metadata->get_meta_id()) )`
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When we are adding a field that is child of another, this means it is inside a compound field
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In that case, if the Item_Metadata object is not set with a meta_id, it means we want to create a new one and not update an existing. This is the case of a multiple compound field.
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### `public function delete($item_metadata)`
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**Returns:** mixed|void
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### `public function add_compound_value(Entities\Item_Metadata_Entity $item_metadata, $meta_id)`
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**Returns:** `null|ind` — the meta id of the created compound metadata
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### `public function fetch($object, $output = null )`
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Fetch Item Field objects related to an Item
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**Parameters:**
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* `$object` — Entities\Item
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**Returns:** array
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### `public function get_value(Entities\Item_Metadata_Entity $item_metadata)`
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Get the value for a Item field.
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**Parameters:**
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* `$item_metadata` — Entities\Item_Metadata_Entity
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**Returns:** mixed
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### `private function extract_compound_value(array $ids, Entities\Item $item, $compund_meta_id)`
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Transforms the array saved as meta_value with the IDs of post_meta saved as a value for compound fields and converts it into an array of Item Metadatada Entitites
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**Parameters:**
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* `$ids` — array — The array of post_meta ids
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* `$item` — Entities\Item — The item this post_meta is related to
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* `$compund_meta_id` — int — the meta_id of the parent compound metadata
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**Returns:** `array` — An array of Item_Metadata_Entity objects
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### `public function update( $object, $new_values = null )`
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**Returns:** mixed
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### `public function suggest($item_metadata)`
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Suggest a value to be inserted as a item Field value, return a pending log
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**Parameters:**
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* `$item_metadata` — Entities\Item_Metadata_Entity
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**Returns:** Entities\Log
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<!-- END DOC-COMMENT -->
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## Item Metadata Entity
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<!-- BEGIN DOC-COMMENT H3 src/classes/entities/class-tainacan-item-metadata-entity.php -->
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### `class Item_Metadata_Entity extends Entity`
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Represents the Item Field Entity
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### `protected $repository = 'Item_Metadata'`
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{@inheritDoc}
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### `function __construct(Item $item, Field $field, $meta_id = null, $parent_meta_id = null)`
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**Parameters:**
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* `$item` — Item — Item Entity
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* `$field` — Field — Field Entity
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* `$meta_id` — int — ID for a specific meta row
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### `function set_item(Item $item)`
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Define the item
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**Parameters:**
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* `$item` — Item
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**Returns:** void
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### `function set_value($value)`
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Define the field value
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**Parameters:**
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* `|` — [integer — string] $value
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**Returns:** void
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### `function set_field(Field $field)`
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Define the field
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**Parameters:**
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* `$field` — Field
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**Returns:** void
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### `function set_meta_id($meta_id)`
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Set the specific meta ID for this metadata.
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When this value is set, get_value() will use it to fetch the value from the post_meta table, instead of considering the item and field IDs
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**Parameters:**
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* `$meta_id` — int — the ID of a specifica post_meta row
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### `function set_parent_meta_id($parent_meta_id)`
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Set parent_meta_id. Used when a item_metadata is inside a compound Field
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When you have a multiple compound field, this indicates of which instace of the value this item_metadata is attached to
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**Parameters:**
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* `$parent_meta_id` — [type] — [description]
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### `function get_item()`
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Return the item
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**Returns:** Item
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### `function get_field()`
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Return the field
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**Returns:** Field
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### `function get_meta_id()`
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Return the meta_id
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**Returns:** Field
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### `function get_parent_meta_id()`
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Return the meta_id
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**Returns:** Field
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### `function get_value()`
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Return the field value
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**Returns:** `string` — | integer
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### `function is_multiple()`
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Return true if field is multiple, else return false
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**Returns:** boolean
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### `function is_collection_key()`
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Return true if field is key
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**Returns:** boolean
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### `function is_required()`
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Return true if field is required
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**Returns:** boolean
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### `function validate()`
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Validate attributes
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**Returns:** boolean
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<!-- END DOC-COMMENT --> |