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/**
* Copyright (c) 2012, FinancialForce.com, inc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the FinancialForce.com, inc nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**/
/**
* This controller contains for reference different versions of the controller methods for illustration
* the current controller method used by the page represents the pattern based implementaiton approach
**/
public with sharing class OpportunityApplyDiscountController
{
public Decimal DiscountPercentage { get; set; }
private ApexPages.StandardController standardController = null;
private ApexPages.StandardSetController standardSetController = null;
public OpportunityApplyDiscountController(ApexPages.StandardController controller)
{
standardController = controller;
}
public PageReference applyDiscount()
{
try
{
// Apply discount entered to the current Opportunity
OpportunitiesService.applyDiscounts(
new Set<ID> { standardController.getId() }, DiscountPercentage);
}
catch (Exception e)
{
ApexPages.addMessages(e);
}
return ApexPages.hasMessages() ? null : standardController.view();
}
public PageReference applyDiscounts()
{
try
{
// Apply discount entered to the selected Opportunities
OpportunitiesService.applyDiscounts(
new Map<Id, SObject>(standardSetController.getSelected()).keySet(), DiscountPercentage);
}
catch (Exception e)
{
ApexPages.addMessages(e);
}
return ApexPages.hasMessages() ? null : standardController.view();
}
public PageReference applyDiscountV1()
{
try
{
// Query Opportunity and line items to apply discount to
Opportunity opportunity =
[select Id, Name, (select UnitPrice from OpportunityLineItems)
from Opportunity o
where Id = :standardController.getId()];
// Apply discount to line items
Util.applyDiscount(opportunity, DiscountPercentage);
}
catch (Exception e)
{
ApexPages.addMessages(e);
}
return ApexPages.hasMessages() ? null : standardController.view();
}
public PageReference applyDiscountV2()
{
try
{
// Query Opportunity and line items to apply discount to
Opportunity opportunity =
[select Id, Name, DiscountType__c,
(select UnitPrice, PricebookEntry.Product2.DiscountingApproved__c from OpportunityLineItems)
from Opportunity o
where Id = :standardController.getId()];
// Apply discount to line items
Util.applyDiscount(opportunity, DiscountPercentage);
}
catch (Exception e)
{
ApexPages.addMessages(e);
}
return ApexPages.hasMessages() ? null : standardController.view();
}
}