Code duplication

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Refactoring.

Extract method

On ruby

Generals

Definition

Code duplication

Metaprogramming

Write a plug in

create a gem

Fogbugz/Jira Gem by:

create a plugin

Extract into Modules

Messaging.SingleEmailMessage message = new Messaging.SingleEmailMessage();

message.setSaveAsActivity(true);

message.setWhatId(allCases[i].Id);

message.setTargetObjectId(us[i].Id);

Set<String> toAddresses = new Set<String>();

// Specify the address used when the recipients reply to the email.

message.setReplyTo('caseshandler@1dqi3r2prtrq7i4heo08xqgw1.tkvxcmao.t.apex.sandbox.salesforce.com');//sandbox

//message.setReplyTo('caseshandler@3-358xqu71xlffxddajvgx5vz6d.3mvapeaa.3.apex.salesforce.com');

// Specify the name used as the display name.

message.setSenderDisplayName('NationwideBandwidth.com Sales');

message.setSubject(us[i].Name+': '+ ((clientAccount.Name=='none'||clientAccount.Name=='NONE')?clientContact.Name:clientAccount.Name)+' Case::'+allCases[i].Id);

message.setPlainTextBody(

'Type of Connection: '+(singleOpportunity.Type_of_Connection__c==null?'':singleOpportunity.Type_of_Connection__c)+'\n\n'+

'Name: '+(clientContact.Name==null?'':clientContact.Name)+'\n'+

//'Last Name: '+clientContact.LastNAme+'\n'+

'Company Name: '+((clientAccount.Name=='none'||clientAccount.Name=='NONE')?clientContact.Name:clientAccount.Name)+'\n'+

*

*

*

Try{

if(clientContact.Email!=null){

toAddresses.add(clientContact.Email);

}

if(us[i].Email!=NULL){

toAddresses.add(us[i].Email);

}

} catch (Exception e){

System.debug('error: '+e);

}

//Changin Set for a List

List<String> aux=new List<String>();

for(String element : toAddresses){

aux.add(element);

}

//adding the partners email addresses

message.setToAddresses(aux);

Use Templates!

#lib/drivable.rb

Module Drivable

extend ActiveSupport::Concern

def turn (new_direction)

self.direction=new direction

end

def brake

self.speed=o

end

def accelerate

self.speed=[speed + acceleration,top_speed]

end

end

class Car<<ActiveRecord::Base

include Drivable

def top_speed

100

end

end

class Bus<<ActiveRecord::Base

include Drivable

def top_speed

80

end

end

useful advise

#lib/drivable.rb

Module Drivable

extend ActiveSupport::Concern

def turn (new_direction)

self.direction=new direction

end

def brake

self.speed=o

end

def accelerate

self.speed=[speed + acceleration,top_speed]

end

def top_speed

raise TemplateError, "The Drivable module"+

"requires the including class to define a"+

"top_speed method"

end

def top_speed

raise TemplateError, "The Drivable module"+

"requires the including class to define a"+

"acceleration method"

end

end

Let it ride!

class Car<<ActiveRecord::Base

def turn (new_direction)

self.direction=new direction

end

def brake

self.speed=o

end

def accelerate

self.speed=speed + 10

end

end

class Bus<<ActiveRecord::Base

def turn (new_direction)

self.direction=new direction

end

def brake

self.speed=o

end

def accelerate

self.speed=speed + 10

end

end

----------------------------------------------------

#lib/drivable.rb

module Drivable

extend ActiveSupport::Concern

def turn (new_direction)

self.direction=new direction

end

def brake

self.speed=o

end

def accelerate

self.speed=speed + 10

end

end