From 845b9e0d4cd2c2e7081ce6602f3bb048976665dc Mon Sep 17 00:00:00 2001
From: Jon Goldberg <jon@megaphonetech.com>
Date: Mon, 18 Nov 2019 13:50:39 -0500
Subject: [PATCH] Add Number of Members Offset and discrete Biannual Fee Amount

---
 CRM/Tbusainvoicegen/Timebank.php | 40 ++++++++++++++++++--------------
 1 file changed, 23 insertions(+), 17 deletions(-)

diff --git a/CRM/Tbusainvoicegen/Timebank.php b/CRM/Tbusainvoicegen/Timebank.php
index e6fc716..92132cb 100644
--- a/CRM/Tbusainvoicegen/Timebank.php
+++ b/CRM/Tbusainvoicegen/Timebank.php
@@ -2,7 +2,6 @@
 
 class CRM_Tbusainvoicegen_Timebank {
 
-  // Live settings
   const TBBILLABLEFIELD = 'custom_233';
   const BILLABLEMEMBERFIELD = 'custom_236';
   const BILLINGPERIODFIELD = 'custom_228';
@@ -12,17 +11,8 @@ class CRM_Tbusainvoicegen_Timebank {
   const PERIODBEGIN = 'custom_246';
   const PERIODEND = 'custom_247';
   const BILLABLEMEMBERSCONTRIB = 'custom_249';
-
-  // Local dev settings.
-//  const TBBILLABLEFIELD = 'custom_14';
-//  const BILLABLEMEMBERFIELD = 'custom_15';
-//  const BILLINGPERIODFIELD = 'custom_7';
-//  const TBCREATED = 'custom_16';
-//  const INVOICEDATE = 'custom_9';
-//  const DUEDATE = 'custom_11';
-//  const PERIODBEGIN = 'custom_12';
-//  const PERIODEND = 'custom_13';
-//  const BILLABLEMEMBERSCONTRIB = 'custom_8';
+  const BIANNUALFEERATE = 'custom_250';
+  const NUMBEROFMEMBERSOFFSET = 'custom_253';
 
   /**
    * Set the pricing here.
@@ -99,6 +89,12 @@ class CRM_Tbusainvoicegen_Timebank {
    */
   private $periodEnd;
 
+  /**
+   * The biannual fee rate - same as the cost, but not pro-rated for new timebanks.
+   * @var int
+   */
+  private $biannualFeeRate;
+
   /**
    * An array of all the contact IDs for whom a contribution already exists in this billing period.
    * @var array
@@ -118,10 +114,6 @@ class CRM_Tbusainvoicegen_Timebank {
   public function __construct($cid, $memberCount) {
     $this->cid = $cid;
     $this->memberCount = $memberCount;
-    $this->memberCountBillable = $memberCount - 2;
-    if ($this->memberCountBillable < 0) {
-      $this->memberCountBillable = 0;
-    }
   }
 
   /**
@@ -140,7 +132,7 @@ class CRM_Tbusainvoicegen_Timebank {
     self::setBillingPeriod($billingPeriod);
     // Get a list of contact IDs for everyone to generate an invoice for.
     $contacts = civicrm_api3('Contact', 'get', [
-      'return' => ["id", self::BILLABLEMEMBERFIELD, self::TBCREATED],
+      'return' => ["id", self::BILLABLEMEMBERFIELD, self::TBCREATED, self::NUMBEROFMEMBERSOFFSET],
       'contact_id' => $cid,
       'contact_type' => 'Organization',
       self::TBBILLABLEFIELD => 1,
@@ -154,6 +146,7 @@ class CRM_Tbusainvoicegen_Timebank {
         if (!$contact[self::TBCREATED]) {
           continue;
         }
+        $tb->setMemberCountBillable($contact[self::NUMBEROFMEMBERSOFFSET]);
         $tb->creationDate = new DateTime($contact[self::TBCREATED]);
         $tb->setInvoiceDate($params);
         $tb->setDueDate($params);
@@ -164,6 +157,15 @@ class CRM_Tbusainvoicegen_Timebank {
     }
   }
 
+  private function setMemberCountBillable($numberOfMembersOffset) {
+    // Default offset is 2.
+    $numberOfMembersOffset = $numberOfMembersOffset ?: 2;
+    $this->memberCountBillable = $this->memberCount - $numberOfMembersOffset;
+    if ($this->memberCountBillable < 0) {
+      $this->memberCountBillable = 0;
+    }
+  }
+
   public static function setBillingPeriod($billingPeriod) {
     if ($billingPeriod) {
       self::$billingPeriod = $billingPeriod;
@@ -180,6 +182,7 @@ class CRM_Tbusainvoicegen_Timebank {
     $existing = [];
     $result = civicrm_api3('Contribution', 'get', [
       self::BILLINGPERIODFIELD => self::$billingPeriod,
+      'options' => ['limit' => 0],
     ]);
     if ($result['count']) {
       foreach ($result['values'] as $contrib) {
@@ -200,6 +203,7 @@ class CRM_Tbusainvoicegen_Timebank {
         // After this "break", $cost will be accurate.
       }
     }
+    $this->biannualFeeRate = $cost;
     // Pro-rate the payment if the timebank is new enough.
     $this->price = round($cost * $this->monthsProRated() / 6, 2);
     return $this->price;
@@ -254,6 +258,7 @@ class CRM_Tbusainvoicegen_Timebank {
       self::PERIODBEGIN => $this->periodBegin->format('Y-m-d'),
       self::PERIODEND => $this->periodEnd->format('Y-m-d'),
       self::BILLABLEMEMBERSCONTRIB => $this->memberCountBillable,
+      self::BIANNUALFEERATE => $this->biannualFeeRate,
       'total_amount' => $this->price,
       'contact_id' => $this->cid,
       'contribution_status_id' => 'Pending',
@@ -316,6 +321,7 @@ class CRM_Tbusainvoicegen_Timebank {
    * $invoiceData[0] is the due date (e.g. "9/30/2019)
    * $invoiceData[1] is the billing period (e.g. "7/1/2019-12/31/2019").
    * $invoiceData[2] is the total amount this contact owes.
+   * @param int $contactId the contact ID of the timebank.
    * @param str $billingPeriod
    */
   public static function invoiceData($contactId, $billingPeriod) {