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feature: add replaceDoc and replaceMany methods #16

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Merged
merged 1 commit into from
Sep 30, 2020
Merged

feature: add replaceDoc and replaceMany methods #16

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75 changes: 75 additions & 0 deletions src/PostgresDocumentStore.php
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
use EventEngine\DocumentStore\Postgres\Exception\InvalidArgumentException;
use EventEngine\DocumentStore\Postgres\Exception\RuntimeException;
use EventEngine\Util\VariableType;

use function implode;
use function is_string;
use function json_decode;
Expand Down Expand Up @@ -433,6 +434,80 @@ public function upsertDoc(string $collectionName, string $docId, array $docOrSub
}
}

/**
* @param string $collectionName
* @param string $docId
* @param array $doc
* @throws \Throwable if updating did not succeed
*/
public function replaceDoc(string $collectionName, string $docId, array $doc): void
{
$metadataStr = '';
$metadata = [];

if($this->useMetadataColumns && array_key_exists('metadata', $doc)) {
$metadata = $doc['metadata'];
unset($doc['metadata']);


foreach ($metadata as $k => $v) {
$metadataStr .= ', '.$k.' = :'.$k;
}
}

$cmd = <<<EOT
UPDATE {$this->schemaName($collectionName)}.{$this->tableName($collectionName)}
SET doc = :doc{$metadataStr}
WHERE id = :id
;
EOT;
$this->transactional(function () use ($cmd, $docId, $doc, $metadata) {
$this->connection->prepare($cmd)->execute(array_merge([
'id' => $docId,
'doc' => json_encode($doc)
], $metadata));
});
}

/**
* @param string $collectionName
* @param Filter $filter
* @param array $set
* @throws \Throwable in case of connection error or other issues
*/
public function replaceMany(string $collectionName, Filter $filter, array $set): void
{
[$filterStr, $args] = $this->filterToWhereClause($filter);

$where = $filterStr? "WHERE $filterStr" : '';

$metadataStr = '';
$metadata = [];

if($this->useMetadataColumns && array_key_exists('metadata', $set)) {
$metadata = $set['metadata'];
unset($set['metadata']);


foreach ($metadata as $k => $v) {
$metadataStr .= ', '.$k.' = :'.$k;
}
}

$cmd = <<<EOT
UPDATE {$this->schemaName($collectionName)}.{$this->tableName($collectionName)}
SET doc = :doc{$metadataStr}
$where;
EOT;

$args['doc'] = json_encode($set);
$args = array_merge($args, $metadata);

$this->transactional(function () use ($cmd, $args) {
$this->connection->prepare($cmd)->execute($args);
});
}

/**
* @param string $collectionName
* @param string $docId
Expand Down
58 changes: 58 additions & 0 deletions tests/PostgresDocumentStoreTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,64 @@ public function it_adds_collection_with_multi_field_index_unique(): void
$this->assertStringStartsWith('CREATE UNIQUE INDEX', $indexes[1]['indexdef']);
}

/**
* @test
*/
public function it_replaces_a_doc()
{
$collectionName = 'test_replaces_a_doc';
$this->documentStore->addCollection($collectionName);

$doc = [
'some' => [
'prop' => 'foo',
'other' => [
'nested' => 42
]
],
'baz' => 'bat',
];

$docId = Uuid::uuid4()->toString();
$this->documentStore->addDoc($collectionName, $docId, $doc);

$doc = ['baz' => 'changed val'];

$this->documentStore->replaceDoc($collectionName, $docId, $doc);

$filter = new EqFilter('baz', 'changed val');

$filteredDocs = $this->documentStore->findDocs($collectionName, $filter);

$this->assertCount(1, $filteredDocs);
}

/**
* @test
*/
public function it_replaces_many()
{
$collectionName = 'test_replaces_many';
$this->documentStore->addCollection($collectionName);

$this->documentStore->addDoc($collectionName, Uuid::uuid4()->toString(), ['some' => ['prop' => 'foo', 'other' => ['prop' => 'bat']]]);
$this->documentStore->addDoc($collectionName, Uuid::uuid4()->toString(), ['some' => ['prop' => 'bar', 'other' => ['prop' => 'bat']]]);
$this->documentStore->addDoc($collectionName, Uuid::uuid4()->toString(), ['some' => ['prop' => 'bar']]);

$doc = ['some' => ['prop' => 'fuzz']];
$this->documentStore->replaceMany(
$collectionName,
new EqFilter('some.other.prop', 'bat'),
$doc
);

$filteredDocs = array_values(iterator_to_array($this->documentStore->findDocs($collectionName, new EqFilter('some.prop', 'fuzz'))));

$this->assertCount(2, $filteredDocs);
$this->assertEquals($doc, $filteredDocs[0]);
$this->assertEquals($doc, $filteredDocs[1]);
}

/**
* @test
*/
Expand Down