359 lines
10 KiB
PHP
359 lines
10 KiB
PHP
<?php
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class CRM_Tbusainvoicegen_Timebank {
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// Live settings
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const TBBILLABLEFIELD = 'custom_233';
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const BILLABLEMEMBERFIELD = 'custom_236';
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const BILLINGPERIODFIELD = 'custom_228';
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const TBCREATED = 'custom_114';
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const INVOICEDATE = 'custom_244';
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const DUEDATE = 'custom_245';
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const PERIODBEGIN = 'custom_246';
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const PERIODEND = 'custom_247';
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const BILLABLEMEMBERSCONTRIB = 'custom_249';
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// Local dev settings.
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// const TBBILLABLEFIELD = 'custom_14';
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// const BILLABLEMEMBERFIELD = 'custom_15';
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// const BILLINGPERIODFIELD = 'custom_7';
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// const TBCREATED = 'custom_16';
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// const INVOICEDATE = 'custom_9';
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// const DUEDATE = 'custom_11';
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// const PERIODBEGIN = 'custom_12';
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// const PERIODEND = 'custom_13';
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// const BILLABLEMEMBERSCONTRIB = 'custom_8';
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/**
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* Set the pricing here.
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* Up to the number of members in single quotes means you pay the second number every 6 months.
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* @var array
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*/
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private $priceArray = [
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'34' => 30,
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'49' => 60,
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'79' => 90,
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'99' => 120,
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'119' => 160,
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'149' => 200,
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'199' => 240,
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'249' => 340,
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'349' => 440,
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'499' => 590,
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'749' => 880,
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'1000' => 1200,
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'9999999' => 9999,
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];
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/**
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* The contact ID of this timebank.
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* @var int
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*/
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private $contactId;
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/**
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* The number of members.
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* @var int
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*/
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private $memberCount;
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/**
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* The number of billable members. It's $memberCount -2 with a minimum of zero.
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* @var int
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*/
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private $memberCountiBillable;
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/**
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* The price for one period of this timebank.
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* @var float
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*/
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private $price;
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/**
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* The creation date of the timebank.
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* @var DateTime
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*/
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private $creationDate;
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/**
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* The date the invoice is generated.
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* @var DateTime
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*/
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private $invoiceDate;
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/**
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* The date the invoice is due.
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* @var DateTime
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*/
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private $invoiceDueDate;
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/**
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* The date the invoice period begins.
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* @var DateTime
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*/
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private $periodBegin;
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/**
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* The date the invoice period begins.
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* @var DateTime
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*/
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private $periodEnd;
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/**
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* An array of all the contact IDs for whom a contribution already exists in this billing period.
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* @var array
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*/
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public static $contributionExists = [];
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/**
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* A string that represents the current billing period - e.g. "2019-2".
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* First number is the year; second is 1 for Jan-Jun, 2 for Jul-Dec.
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* @var string
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*/
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public static $billingPeriod = NULL;
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/**
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* Class constructor.
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*/
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public function __construct($cid, $memberCount) {
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$this->cid = $cid;
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$this->memberCount = $memberCount;
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$this->memberCountBillable = $memberCount - 2;
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if ($this->memberCountBillable < 0) {
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$this->memberCountBillable = 0;
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}
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}
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/**
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* Generate invoices (called from API).
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* @param array $params An array containing all the values passed into the Invoicegen.generate API.
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* @return array APIv3 standard response.
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*/
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public static function generate($params) {
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$cid = $billingPeriod = NULL;
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if (isset($params['contact_id'])) {
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$cid = $params['contact_id'];
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}
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if (isset($params['billing_period'])) {
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$billingPeriod = $params['billing_period'];
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}
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self::setBillingPeriod($billingPeriod);
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// Get a list of contact IDs for everyone to generate an invoice for.
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$contacts = civicrm_api3('Contact', 'get', [
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'return' => ["id", self::BILLABLEMEMBERFIELD, self::TBCREATED],
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'contact_id' => $cid,
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'contact_type' => 'Organization',
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self::TBBILLABLEFIELD => 1,
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'options' => ['limit' => 0],
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])['values'];
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self::setContributionExists();
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foreach ($contacts as $k => $contact) {
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if (!in_array($k, self::$contributionExists)) {
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$tb = new CRM_Tbusainvoicegen_Timebank($k, $contact[self::BILLABLEMEMBERFIELD]);
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// Don't generate an invoice if there's no "TB Created" date.
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if (!$contact[self::TBCREATED]) {
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continue;
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}
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$tb->creationDate = new DateTime($contact[self::TBCREATED]);
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$tb->setInvoiceDate($params);
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$tb->setDueDate($params);
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$tb->setPeriodBeginEndDate($params);
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$tb->setPrice();
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$tb->createContribution();
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}
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}
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}
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public static function setBillingPeriod($billingPeriod) {
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if ($billingPeriod) {
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self::$billingPeriod = $billingPeriod;
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}
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else {
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// Should we try to auto-calculate it here? Or nah?
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}
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}
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/**
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* Generate an array of contacts who already have a contribution created in this billing period.
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*/
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public static function setContributionExists() {
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$existing = [];
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$result = civicrm_api3('Contribution', 'get', [
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self::BILLINGPERIODFIELD => self::$billingPeriod,
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]);
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if ($result['count']) {
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foreach ($result['values'] as $contrib) {
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$existing[$contrib['contact_id']] = $contrib['contact_id'];
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}
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}
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self::$contributionExists = $existing;
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}
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private function setPrice() {
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if ($this->price) {
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return $this->price;
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}
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$adjustedMemberCount = $this->memberCountBillable;
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foreach ($this->priceArray as $members => $cost) {
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if ($adjustedMemberCount <= $members) {
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break;
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// After this "break", $cost will be accurate.
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}
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}
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// Pro-rate the payment if the timebank is new enough.
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$this->price = round($cost * $this->monthsProRated() / 6, 2);
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return $this->price;
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}
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/**
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* Sets the due date
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*/
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private function setInvoiceDate($params = []) {
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if (isset($params['invoice_date'])) {
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$this->invoiceDate = new DateTime($params['invoice_date']);
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}
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else {
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$this->invoiceDate = new DateTime();
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}
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}
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/**
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* If the first annual anniversary of the TB is before the billing period, then the TB pays for the full billing period (6 months).
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* If the first annual anniversary of the TB is during any of the first 5 months of the billing period, then the TB pays a pro-rated fee for the number of full billing period months after the first annual anniversary of the TB (1 to 5 months).
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* If the first annual anniversary of the TB is during the 6th month of the current billing OR after the billing period ends, then the TB pays $0 for the billing period.
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*/
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private function monthsProRated() {
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// By default, we bill all 6 months in a billing period.
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$monthsProRated = 6;
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$beginDate = $this->periodBegin;
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$firstAnniversary = $this->creationDate->modify("+1 year");
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$interval = $beginDate->diff($firstAnniversary);
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// First anniversary is before the billing period.
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if ($interval->invert == 1) {
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$monthsProRated = 6;
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}
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// Starts past the end of the billing period.
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elseif ($interval->y >= 1 || $interval->m >= 6) {
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$monthsProRated = 0;
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}
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// Falls within the billing period.
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else {
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$monthsProRated = 5 - $interval->m;
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}
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return $monthsProRated;
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}
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private function createContribution() {
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if (!$this->price) {
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return;
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}
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civicrm_api3('Contribution', 'create', [
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'financial_type_id' => 'CW License Fee',
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self::DUEDATE => $this->invoiceDueDate->format('Y-m-d'),
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self::INVOICEDATE => $this->invoiceDate->format('Y-m-d'),
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self::PERIODBEGIN => $this->periodBegin->format('Y-m-d'),
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self::PERIODEND => $this->periodEnd->format('Y-m-d'),
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self::BILLABLEMEMBERSCONTRIB => $this->memberCountBillable,
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'total_amount' => $this->price,
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'contact_id' => $this->cid,
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'contribution_status_id' => 'Pending',
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'is_pay_later' => 1,
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self::BILLINGPERIODFIELD => self::$billingPeriod,
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]);
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}
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/**
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* Sets the due date
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*/
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private function setDueDate($params = []) {
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if (isset($params['due_date'])) {
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$this->invoiceDueDate = new DateTime($params['due_date']);
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}
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else {
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list($year, $number) = explode('-', self::$billingPeriod);
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if ($number == 1) {
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$this->invoiceDueDate = new DateTime($year . '-03-31');
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}
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else {
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$this->invoiceDueDate = new DateTime($year . '-09-30');
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}
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}
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}
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/**
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* Sets the period begin/end date.
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*/
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private function setPeriodBeginEndDate($params) {
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if (isset($params['period_begin_date'])) {
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$this->periodBegin = new DateTime($params['period_begin_date']);
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}
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else {
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list($year, $number) = explode('-', self::$billingPeriod);
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if ($number == 1) {
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$this->periodBegin = new DateTime($year . '-01-01');
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}
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else {
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$this->periodBegin = new DateTime($year . '-07-01');
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}
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}
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if (isset($params['period_end_date'])) {
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$this->periodEnd = new DateTime($params['period_end_date']);
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}
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else {
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list($year, $number) = explode('-', self::$billingPeriod);
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if ($number == 1) {
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$this->periodEnd = new DateTime($year . '-06-30');
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}
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else {
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$this->periodEnd = new DateTime($year . '-12-31');
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}
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}
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}
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/**
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* This is a helper function to generate values for the custom invoice template.
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* It takes a billing period (e.g. "2019-2") and returns an array $invoiceData.
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* $invoiceData[0] is the due date (e.g. "9/30/2019)
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* $invoiceData[1] is the billing period (e.g. "7/1/2019-12/31/2019").
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* $invoiceData[2] is the total amount this contact owes.
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* @param str $billingPeriod
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*/
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public static function invoiceData($contactId, $billingPeriod) {
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self::setBillingPeriod($billingPeriod);
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$invoiceData[2] = self::calculateTotalDue($contactId);
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return $invoiceData;
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}
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public static function calculateTotalDue($contactId) {
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// Get all contributions that aren't paid, sum up their total amounts.
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// Then get all those contributions' payments, sum up THEIR total amounts.
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// Subtract the second number from the first.
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$totalDue = 0;
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$contributions = civicrm_api3('Contribution', 'get', [
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'sequential' => 1,
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'return' => ["total_amount"],
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'contact_id' => $contactId,
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'contribution_status_id' => ['!=' => "Completed"],
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'options' => ['limit' => 0],
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]);
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if ($contributions['count']) {
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foreach ($contributions['values'] as $contribution) {
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$totalDue += $contribution['total_amount'];
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$contributionIds[] = $contribution['id'];
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}
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}
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$payments = civicrm_api3('Payment', 'get', [
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'sequential' => 1,
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'contribution_id' => ['IN' => $contributionIds],
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'options' => ['limit' => 0],
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]);
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if ($payments['count']) {
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foreach ($payments['values'] as $payment) {
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$totalDue -= $payment['total_amount'];
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}
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}
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return round($totalDue, 2);
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}
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}
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