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<?php |
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/** |
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* Party Cohort Class |
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* |
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* @package TheyWorkForYou |
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*/ |
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namespace MySociety\TheyWorkForYou; |
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/** |
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* Policy DistributionPair |
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* Brings together the member_distribution (their own policy score) |
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* And the comporable members total and score. |
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*/ |
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class PolicyDistributionPair { |
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public ?PolicyDistribution $member_distribution; |
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public ?PolicyDistribution $comparison_distribution; |
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public int $policy_id; |
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public string $policy_desc; |
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public bool $covid_affected; |
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public function __construct( |
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?PolicyDistribution $member_distribution, |
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?PolicyDistribution $comparison_distribution |
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) { |
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$this->member_distribution = $member_distribution; |
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$this->comparison_distribution = $comparison_distribution; |
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$this->policy_id = $this->getPolicyId(); |
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$policies_obj = new Policies(); |
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$policies_obj->getCovidAffected(); |
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$this->covid_affected = in_array($this->policy_id, $policies_obj->getCovidAffected()); |
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$this->policy_desc = $policies_obj->getPolicies()[$this->policy_id]; |
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} |
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public function getMoreDetailsLink(): string { |
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$person_id = $this->getPersonId(); |
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; |
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$policy_id = $this->getPolicyId(); |
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$period = strtolower($this->getVotingPeriod()); |
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$party_slug = $this->member_distribution->party_slug; |
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return TWFY_VOTES_URL . "/person/$person_id/policies/commons/$party_slug/$period/$policy_id"; |
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} |
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public function getPersonId(): int { |
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return $this->member_distribution->person_id; |
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} |
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public function getPartySlug(): string { |
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return $this->member_distribution->party_slug; |
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} |
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public function getVotingPeriod(): string { |
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return $this->member_distribution->period_slug; |
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} |
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public function getPolicyId(): int { |
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if ($this->member_distribution) { |
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return $this->member_distribution->policy_id; |
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} |
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if ($this->comparison_distribution) { |
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return $this->comparison_distribution->policy_id; |
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} |
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throw new \Exception('No policy ID found for this pair'); |
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} |
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public function scoreDifference(): float { |
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if (!$this->comparison_distribution) { |
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return 0; |
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} |
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return $this->member_distribution->distance_score - $this->comparison_distribution->distance_score; |
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} |
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public function sigScoreDifference(): bool { |
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if (!$this->comparison_distribution) { |
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return false; |
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} |
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$member_score = $this->member_distribution->distance_score; |
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$comparison_score = $this->comparison_distribution->distance_score; |
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if ($this->member_distribution->noDataAvailable()) { |
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return false; |
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} |
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if ($member_score < 0.4 && $comparison_score > 0.6) { |
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return true; |
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} |
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if ($member_score > 0.6 && $comparison_score < 0.4) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Retrieves the policy distribution pairs for a specific person, party, period, and chamber. |
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* |
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* @param int $person_id The ID of the person. |
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* @param string $party_slug The slug of the party. |
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* @param string $period_slug The slug of the period. |
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* @param int $house The ID of the house (default is HOUSE_TYPE_COMMONS). |
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* @return PolicyDistributionPair[] An array of PolicyDistributionPair objects. |
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*/ |
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public static function getPersonDistributions(int $person_id, string $party_slug, string $period_slug, int $house = HOUSE_TYPE_COMMONS): array { |
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$distributions = PolicyDistribution::getPersonDistributions($person_id, $party_slug, $period_slug, $house); |
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// group the distributions by policy_id |
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$grouped_distributions = []; |
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foreach ($distributions as $distribution) { |
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$grouped_distributions[$distribution->policy_id][] = $distribution; |
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} |
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$pairs = []; |
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foreach ($grouped_distributions as $policy_id => $policy |
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) { |
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$member_distribution = null; |
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$comparison_distribution = null; |
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foreach ($policy as $distribution) { |
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if ($distribution->is_target) { |
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$member_distribution = $distribution; |
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} else { |
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$comparison_distribution = $distribution; |
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} |
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} |
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$pairs[] = new PolicyDistributionPair($member_distribution, $comparison_distribution); |
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} |
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return $pairs; |
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} |
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} |
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mysociety /
theyworkforyou
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