Class: Crowdfunder::Project

Inherits:
Object
  • Object
show all
Includes:
Fundable
Defined in:
lib/crowdfunder/project.rb

Direct Known Subclasses

GrantProject, MatchingFundProject

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Fundable

#<=>, #add_funds, #fully_funded?, #remove_funds, #total_funding_outstanding, #total_required_funds

Constructor Details

#initialize(name, initial_fund = 0, target_fund) ⇒ Project

Returns a new instance of Project.



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# File 'lib/crowdfunder/project.rb', line 12

def initialize(name, initial_fund=0, target_fund)
  @name = name.upcase
  @target_fund = target_fund
  @initial_fund = initial_fund
  @received_pledges = Hash.new(0)
end

Instance Attribute Details

#fully_funded ⇒ Object

Returns the value of attribute fully_funded.



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# File 'lib/crowdfunder/project.rb', line 10

def fully_funded
  @fully_funded
end

#initial_fund ⇒ Object

Returns the value of attribute initial_fund.



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# File 'lib/crowdfunder/project.rb', line 10

def initial_fund
  @initial_fund
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/crowdfunder/project.rb', line 9

def name
  @name
end

#target_fund ⇒ Object

Returns the value of attribute target_fund.



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# File 'lib/crowdfunder/project.rb', line 10

def target_fund
  @target_fund
end

Instance Method Details

#each_pledge_received ⇒ Object 



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# File 'lib/crowdfunder/project.rb', line 42

def each_pledge_received
  @received_pledges.each do |name, amount|
    pledge = Pledge.new(name, amount)
    yield pledge
  end
end

#found_pledge(pledge) ⇒ Object 



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# File 'lib/crowdfunder/project.rb', line 29

def found_pledge(pledge)
  @received_pledges[pledge.name] += pledge.amount
  puts "#{@name} received a #{pledge.name} worth $#{pledge.amount}."
  puts "#{@name}'s pledges: #{@received_pledges}"
end

#pledged_funds ⇒ Object 



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# File 'lib/crowdfunder/project.rb', line 23

def pledged_funds
  # pledge funds is a virtual accessor. in this case it returns the a value
  # derived from an instance variable (@received_pledges)
  @received_pledges.values.reduce(0, :+)
end

#to_s ⇒ Object 



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# File 'lib/crowdfunder/project.rb', line 19

def to_s
  "#{@name} has a goal of #{@target_fund} but has raised a total of $#{total_funds} in funding."
end

#total_funds ⇒ Object 



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# File 'lib/crowdfunder/project.rb', line 35

def total_funds
  # total_funds is a virtual accessor, in that the total_funds method doesn't return
  # the value of a @total_funds instances variable. Instead, the total funds are
  # computed when the method is called.
  @initial_fund + pledged_funds
end