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  1. public class LoyaltyProgramHandler {
  2.     public void processTransaction(Id loyaltyProgramId, Decimal transactionAmount, String transactionType) {
  3.         // Retrieve the loyalty program record
  4.         Loyalty_Program__c loyaltyProgram = [SELECT Id, Promotion_Type__c, Is_Active__c 
  5.                                              FROM Loyalty_Program__c 
  6.                                              WHERE Id = :loyaltyProgramId 
  7.                                              LIMIT 1];
  8.  
  9.         if (!loyaltyProgram.Is_Active__c) {
  10.             throw new CustomException('Loyalty program is not active.');
  11.         }
  12.  
  13.         if (loyaltyProgram.Promotion_Type__c == 'Cumulative') {
  14.             if (transactionType == 'Accrual') {
  15.                 creditPoints(loyaltyProgramId, transactionAmount);
  16.             } else if (transactionType == 'Redemption') {
  17.                 redeemPoints(loyaltyProgramId, transactionAmount);
  18.             } else {
  19.                 throw new CustomException('Invalid transaction type.');
  20.             }
  21.         }
  22.     }
  23.  
  24.     private void creditPoints(Id loyaltyProgramId, Decimal transactionAmount) {
  25.         // Assuming 1 point for every 2 dollars spent
  26.         Integer pointsEarned = (Integer)(transactionAmount / 2);
  27.  
  28.         // Create a transaction journal record for accrual
  29.         Transaction_Journal__c journal = new Transaction_Journal__c(
  30.             Loyalty_Program__c = loyaltyProgramId,
  31.             Points_Earned__c = pointsEarned,
  32.             Transaction_Type__c = 'Accrual',
  33.             Transaction_Date__c = System.now()
  34.         );
  35.  
  36.         insert journal;
  37.  
  38.         // Update loyalty program points (pseudo-code)
  39.         Loyalty_Program__c loyaltyProgram = [SELECT Id, Points__c FROM Loyalty_Program__c WHERE Id = :loyaltyProgramId];
  40.         loyaltyProgram.Points__c += pointsEarned;
  41.         update loyaltyProgram;
  42.     }
  43.  
  44.     private void redeemPoints(Id loyaltyProgramId, Decimal pointsToRedeem) {
  45.         // Retrieve current points
  46.         Loyalty_Program__c loyaltyProgram = [SELECT Id, Points__c FROM Loyalty_Program__c WHERE Id = :loyaltyProgramId];
  47.  
  48.         if (pointsToRedeem > loyaltyProgram.Points__c) {
  49.             throw new CustomException('Insufficient points for redemption.');
  50.         }
  51.  
  52.         // Create a transaction journal record for redemption
  53.         Transaction_Journal__c journal = new Transaction_Journal__c(
  54.             Loyalty_Program__c = loyaltyProgramId,
  55.             Points_Redeemed__c = pointsToRedeem,
  56.             Transaction_Type__c = 'Redemption',
  57.             Transaction_Date__c = System.now()
  58.         );
  59.  
  60.         insert journal;
  61.  
  62.         // Update loyalty program points
  63.         loyaltyProgram.Points__c -= pointsToRedeem;
  64.         update loyaltyProgram;
  65.     }
  66.  
  67.     // Custom exception class
  68.     public class CustomException extends Exception {}
  69. }
  70.  
Success #stdin #stdout #stderr 0.02s 10532KB
comments (?)
stdin
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Standard input is empty
stdout
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Object: UndefinedObject error: did not understand #LoyaltyProgramHandler
MessageNotUnderstood(Exception)>>signal (ExcHandling.st:254)
UndefinedObject class(Object)>>doesNotUnderstand: #LoyaltyProgramHandler (SysExcept.st:1448)
UndefinedObject>>executeStatements (prog:1)
Object: nil error: did not understand #associationAt:ifAbsent:
MessageNotUnderstood(Exception)>>signal (ExcHandling.st:254)
UndefinedObject(Object)>>doesNotUnderstand: #associationAt:ifAbsent: (SysExcept.st:1448)
DeferredVariableBinding>>resolvePathFrom: (DeferBinding.st:115)
DeferredVariableBinding>>value (DeferBinding.st:69)
UndefinedObject>>executeStatements (prog:9)
stderr
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./prog:2: parse error, expected '}'
./prog:9: expected expression
https://ideone.com/nJ2IaP
language:
Smalltalk (gst 3.2.5)
created:
81 days ago
visibility:
public

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