Err Plugins

Comments and changes to this ticket

• 

  Chris Wanstrath September 16th, 2007 @ 12:36 PM

  • State changed from “new” to “invalid”

  The plan is for Ambition to only support the Ruby Enumerable API. You're welcome to write an add-on which supports this, though.

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  Grant Rodgers September 20th, 2007 @ 06:40 PM

  went ahead and wrote this. Rather small amount of code.

  • scoped_context.rb 409 Bytes
• 

  Grant Rodgers September 20th, 2007 @ 06:40 PM

  • no changes were found...

  • metaid.rb 398 Bytes
• 

  Grant Rodgers September 20th, 2007 @ 06:41 PM

  • no changes were found...

  • scoped_context_test.rb 2.8 KB
• 

  Grant Rodgers September 20th, 2007 @ 06:41 PM

  • no changes were found...

  • scoped_context.diff 949 Bytes

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  Grant Rodgers September 20th, 2007 @ 06:46 PM

  works like this:

  class User < ActiveRecord::Base
    scoped_context :admins do |context|
      context.select { |u| u.type == 'Admin' }
    end
  end
  
  User.admins.to_sql
  #=> "SELECT * FROM users WHERE users.type = 'Admin'"
  
  

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  Grant Rodgers September 20th, 2007 @ 06:47 PM

  Not sure how add-ons are packaged, unfortunately - let me know if there's something else to be done.

• 

  Chris Wanstrath September 21st, 2007 @ 11:59 AM

  You can do this already, y'know:

  class Company
    def self.high_rated
      query_context.select { |c| c.rating > 3 }
    end
  end
  
  >> Company.high_rated.to_sql
  => "SELECT * FROM companies WHERE companies.`rating` > 3"
  >> Company.high_rated.first
  => #<Company:0x26eb1ec ...>
  

• 

  Chris Wanstrath September 21st, 2007 @ 12:00 PM

  Maybe this is worth posting about.

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  Grant Rodgers September 21st, 2007 @ 12:06 PM

  Yep, that occurred to me. Certainly a matter of taste which you prefer.

  I think it might be a bit better encapsulated as a special method, and maybe faster since it doesn't go through the query processor for every call.