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1<?php
2/**
3 * Mostly takes a WP_Post and returns a Bitcoin_Transaction
4 *
5 * @package    brianhenryie/bh-wp-bitcoin-gateway
6 */
7
8namespace BrianHenryIE\WP_Bitcoin_Gateway\API\Repositories\Factories;
9
10use BrianHenryIE\WP_Bitcoin_Gateway\API\Model\Payments\Bitcoin_Transaction;
11use BrianHenryIE\WP_Bitcoin_Gateway\API\Model\Payments\Bitcoin_Transaction_WP_Post_Interface;
12use BrianHenryIE\WP_Bitcoin_Gateway\API\Model\Payments\Transaction;
13use BrianHenryIE\WP_Bitcoin_Gateway\JsonMapper\Exception\BuilderException;
14use BrianHenryIE\WP_Bitcoin_Gateway\JsonMapper\Exception\ClassFactoryException;
15use BrianHenryIE\WP_Bitcoin_Gateway\JsonMapper\JsonMapperInterface;
16use InvalidArgumentException;
17use WP_Post;
18
19/**
20 * @phpstan-type MoneySerializedArray array{amount:string,currency:string}
21 */
22class Bitcoin_Transaction_Factory {
23
24    /**
25     * @param JsonMapperInterface $json_mapper To parse JSON to typed objects.
26     */
27    public function __construct(
28        protected JsonMapperInterface $json_mapper,
29    ) {
30    }
31
32    /**
33     * Get a Bitcoin transaction by WordPress post ID.
34     *
35     * @param int $post_id The WordPress post id this wallet is stored under.
36     *
37     * @throws InvalidArgumentException When the supplied post_id is not a post of this type.
38     * @throws BuilderException When the JSON mapper fails to build the transaction object from the post content.
39     * @throws ClassFactoryException When the JSON mapper cannot create required class instances during deserialization.
40     */
41    public function get_by_wp_post_id( int $post_id ): Bitcoin_Transaction {
42        $post = get_post( $post_id );
43        if ( ! ( $post instanceof WP_Post ) || Bitcoin_Transaction_WP_Post_Interface::POST_TYPE !== $post->post_type ) {
44            throw new InvalidArgumentException( 'post_id ' . $post_id . ' is not a ' . Bitcoin_Transaction_WP_Post_Interface::POST_TYPE . ' post object' );
45        }
46
47        return $this->get_by_wp_post( $post );
48    }
49
50    /**
51     * Takes a WP_Post and gets the values (primitives?) to create a Bitcoin_Transaction.
52     *
53     * TODO: inject JsonMapper.
54     *
55     * @param WP_Post $post The backing WP_Post for this Bitcoin_Transaction.
56     *
57     * @throws BuilderException When the JSON mapper fails to deserialize the transaction data from post_content.
58     * @throws ClassFactoryException When the JSON mapper cannot instantiate required classes like DateTimeInterface or Money during object creation.
59     */
60    public function get_by_wp_post( WP_Post $post ): Bitcoin_Transaction {
61
62        /** @var Transaction $transaction */
63        $transaction = $this->json_mapper->mapToClassFromString( $post->post_content, Transaction::class );
64
65        // If this is an empty array, something is up. We never save a transaction unless it is relevant to an address of ours.
66        /** @var array<int,string> $addresses post_id:bitcoin_address */
67        $addresses = array_filter(
68            (array) get_post_meta( $post->ID, Bitcoin_Transaction_WP_Post_Interface::BITCOIN_ADDRESSES_POST_IDS_META_KEY, true )
69        );
70
71        return new Bitcoin_Transaction(
72            post_id: $post->ID,
73            transaction: $transaction,
74            bitcoin_addresses: $addresses,
75        );
76    }
77}