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emyllerclaude
emyller
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claude
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feat(Engine)!: Use context-based evaluation engine (#126)
Co-authored-by: Claude <noreply@anthropic.com>
1 parent eab5568 commit 91b0a3b

19 files changed

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‎src/Engine/Engine.php‎

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Original file line numberDiff line numberDiff line change
@@ -2,11 +2,6 @@
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namespace Flagsmith\Engine;
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use Flagsmith\Engine\Environments\EnvironmentModel;
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use Flagsmith\Engine\Features\FeatureStateModel;
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use Flagsmith\Engine\Identities\IdentityModel;
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use Flagsmith\Engine\Segments\SegmentEvaluator;
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use Flagsmith\Engine\Utils\Exceptions\FeatureStateNotFound;
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use Flagsmith\Engine\Utils\Hashing;
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use Flagsmith\Engine\Utils\Semver;
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use Flagsmith\Engine\Utils\Types\Context\EvaluationContext;
@@ -424,152 +419,4 @@ private static function _getCaster($contextValue): ?callable
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'double' => fn ($v) => is_numeric($v) ? (float) $v : $v,
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};
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}
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/**
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* Get the environment feature states.
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* @param EnvironmentModel $environment
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* @return array
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*/
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public static function getEnvironmentFeatureStates(EnvironmentModel $environment): array
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{
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if ($environment->getProject()->getHideDisabledFlags()) {
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return array_filter(
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$environment->getFeatureStates()->getArrayCopy(),
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fn (FeatureStateModel $fs) => $fs->getEnabled()
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);
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}
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return $environment->getFeatureStates()->getArrayCopy();
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}
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/**
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* get the environment feature state.
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* @param EnvironmentModel $environment
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* @param string $featureName
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* @return FeatureStateModel
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*/
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public static function getEnvironmentFeatureState(
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EnvironmentModel $environment,
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string $featureName
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): FeatureStateModel {
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$featureStates = $environment
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->getFeatureStates()
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->getArrayCopy();
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$filteredFeatureStates = array_filter(
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$featureStates,
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fn (FeatureStateModel $fs)
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=> $fs->getFeature()->getName() === $featureName
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);
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if (count($filteredFeatureStates) === 0) {
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throw new FeatureStateNotFound();
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}
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return array_shift($filteredFeatureStates);
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}
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/**
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* get the identity feature states.
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* @param EnvironmentModel $environment
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* @param IdentityModel $identity
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* @param array|null $overrideTraits
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* @return array
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*/
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public static function getIdentityFeatureStates(
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EnvironmentModel $environment,
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IdentityModel $identity,
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?array $overrideTraits = null
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): array {
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$featureStates = self::_getIdentityFeatureStatesDict(
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$environment,
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$identity,
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$overrideTraits
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);
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if ($environment->getProject()->getHideDisabledFlags()) {
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$filteredFeatureStates = [];
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foreach ($featureStates as $featureState) {
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if ($featureState->getEnabled()) {
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$filteredFeatureStates[] = $featureState;
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}
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}
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return $filteredFeatureStates;
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}
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return array_values($featureStates);
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}
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/**
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* get the identity feature state.
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* @param EnvironmentModel $environment
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* @param IdentityModel $identity
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* @param string $featureName
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* @param array|null $overrideTraits
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* @return FeatureStateModel
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*/
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public static function getIdentityFeatureState(
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EnvironmentModel $environment,
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IdentityModel $identity,
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string $featureName,
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?array $overrideTraits = null
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): FeatureStateModel {
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$featureStates = self::_getIdentityFeatureStatesDict(
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$environment,
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$identity,
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$overrideTraits
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);
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$matchingFeatureState = null;
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foreach ($featureStates as $name => $featureState) {
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if ($name === $featureName) {
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$matchingFeatureState = $featureState;
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}
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}
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if (empty($matchingFeatureState)) {
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throw new FeatureStateNotFound();
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}
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return $matchingFeatureState;
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}
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/**
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* get feature states list.
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* @param EnvironmentModel $environment
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* @param IdentityModel $identity
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* @param array|null $overrideTraits
541-
* @return array
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*/
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private static function _getIdentityFeatureStatesDict(
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EnvironmentModel $environment,
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IdentityModel $identity,
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?array $overrideTraits = null
547-
): array {
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$featureStates = [];
549-
foreach ($environment->getFeatureStates() as $fs) {
550-
$featureStates[$fs->getFeature()->getName()] = $fs;
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}
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$identitySegments = SegmentEvaluator::getIdentitySegments($environment, $identity, $overrideTraits);
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foreach ($identitySegments as $is) {
556-
foreach ($is->getFeatureStates() as $fs) {
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$feature = $fs->getFeature();
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$existing = $featureStates[$feature->getName()];
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if ($existing != null && $existing->isHigherPriority($fs)) {
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continue;
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}
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563-
$featureStates[$fs->getFeature()->getName()] = $fs;
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}
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}
566-
567-
foreach ($identity->getIdentityFeatures() as $if) {
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if (isset($featureStates[$if->getFeature()->getName()])) {
569-
$featureStates[$if->getFeature()->getName()] = $if;
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}
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}
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return $featureStates;
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}
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}

‎src/Engine/Segments/SegmentConditionModel.php‎

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Original file line numberDiff line numberDiff line change
@@ -4,8 +4,6 @@
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use Flagsmith\Concerns\HasWith;
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use Flagsmith\Concerns\JsonSerializer;
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use Flagsmith\Engine\Segments\SegmentConditions;
8-
use Flagsmith\Engine\Utils\Semver;
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108
#[\AllowDynamicProperties]
119
class SegmentConditionModel
@@ -74,111 +72,4 @@ public function withOperator(string $operator): self
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{
7573
return $this->with('operator', $operator);
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}
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78-
public const EQUALS = 'EQUALS';
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public function matchesTraitValue($traitValue): bool
81-
{
82-
$condition = false;
83-
$castedValue = $this->value;
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$traitValueType = gettype($traitValue);
85-
86-
if ($traitValueType === 'boolean') {
87-
$castedValue = filter_var($castedValue, FILTER_VALIDATE_BOOLEAN);
88-
} elseif ($this->operator === SegmentConditions::MODULO) {
89-
return $this->matchesModuloTraitValue($traitValue);
90-
} else {
91-
settype($castedValue, $traitValueType);
92-
}
93-
94-
if (is_string($castedValue) && Semver::isSemver($castedValue)) {
95-
return $this->matchesSemverTraitValue(
96-
Semver::isSemver($traitValue) ? Semver::removeSemverSuffix($traitValue) : $traitValue,
97-
Semver::removeSemverSuffix($castedValue),
98-
$this->operator
99-
);
100-
}
101-
102-
switch ($this->operator) {
103-
case (SegmentConditions::EQUAL):
104-
$condition = $traitValue === $castedValue;
105-
break;
106-
case (SegmentConditions::GREATER_THAN):
107-
$condition = $traitValue > $castedValue;
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break;
109-
case (SegmentConditions::GREATER_THAN_INCLUSIVE):
110-
$condition = $traitValue >= $castedValue;
111-
break;
112-
case (SegmentConditions::LESS_THAN):
113-
$condition = $traitValue < $castedValue;
114-
break;
115-
case (SegmentConditions::LESS_THAN_INCLUSIVE):
116-
$condition = $traitValue <= $castedValue;
117-
break;
118-
case (SegmentConditions::NOT_EQUAL):
119-
$condition = $traitValue !== $castedValue;
120-
break;
121-
case (SegmentConditions::CONTAINS):
122-
$condition = strpos($traitValue, (string) $this->value) !== false;
123-
break;
124-
case (SegmentConditions::NOT_CONTAINS):
125-
$condition = strpos($traitValue, (string) $this->value) === false;
126-
break;
127-
case (SegmentConditions::REGEX):
128-
$matchesCount = preg_match_all("/{$this->value}/", (string) $traitValue);
129-
$condition = $matchesCount && $matchesCount > 0;
130-
break;
131-
case (SegmentConditions::IN):
132-
if (in_array($traitValueType, ['string', 'integer'])) {
133-
$condition = in_array((string) $traitValue, explode(',', (string) $this->value), true);
134-
}
135-
break;
136-
}
137-
138-
return $condition;
139-
}
140-
141-
private function matchesSemverTraitValue($trait, $value, $condition)
142-
{
143-
switch ($this->operator) {
144-
case (SegmentConditions::EQUAL):
145-
$condition = version_compare($trait, $value, '==');
146-
break;
147-
case (SegmentConditions::GREATER_THAN):
148-
$condition = version_compare($trait, $value, '>');
149-
break;
150-
case (SegmentConditions::GREATER_THAN_INCLUSIVE):
151-
$condition = version_compare($trait, $value, '>=');
152-
break;
153-
case (SegmentConditions::LESS_THAN):
154-
$condition = version_compare($trait, $value, '<');
155-
break;
156-
case (SegmentConditions::LESS_THAN_INCLUSIVE):
157-
$condition = version_compare($trait, $value, '<=');
158-
break;
159-
case (SegmentConditions::NOT_EQUAL):
160-
$condition = version_compare($trait, $value, '!=');
161-
break;
162-
}
163-
164-
return $condition;
165-
}
166-
167-
private function matchesModuloTraitValue($traitValue)
168-
{
169-
$valueParts = explode('|', $this->value);
170-
171-
if (!is_numeric($valueParts[0]) || !is_numeric($valueParts[1]) || !is_numeric($traitValue)) {
172-
return false;
173-
}
174-
175-
$divisor = floatval($valueParts[0]);
176-
$remainder = floatval($valueParts[1]);
177-
178-
if ($divisor == 0) {
179-
return false;
180-
}
181-
182-
return floatval($traitValue) % $divisor == $remainder;
183-
}
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}

‎src/Engine/Segments/SegmentConditions.php‎

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This file was deleted.

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