Class: Plumber

Inherits:
Object
  • Object
show all
Defined in:
lib/plumber.rb,
lib/plumber/context.rb,
lib/plumber/version.rb

Overview

Provides functionality for creating and updating ActiveRecord model objects. Requires Rails 3+.

Defined Under Namespace

Classes: Context

Constant Summary collapse

VERSION = 
"0.0.1"

Instance Method Summary collapse

Constructor Details

#initialize(model, logger) ⇒ Plumber

Create a new instance which will act on the given model and log to the given logger.



9
10
11
12
 
# File 'lib/plumber.rb', line 9

def initialize(model, logger)
  @model = model
  @logger = logger
end

Instance Method Details

#import {|context| ... } ⇒ Object

Yields:

  • (context) 


14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
 
# File 'lib/plumber.rb', line 14

def import
  context = Plumber::Context.new(@model.scoped)

  yield context

  operation = if context.record.new_record?
                "Create"
              else
                "Update"
              end

  changed = context.record.changed

  begin
    ActiveRecord::Base.transaction do
      if context.record.save!
        if changed
          @logger.info("#{operation} #{context.record.class} #{context.record.id}.")
        else
          @logger.debug("#{context.record.class} #{context.record.id} not changed.")
        end
      end
    end
  rescue ActiveRecord::RecordInvalid => e
    prefix = "#{e.record.class} #{e.record.id}".strip

    @logger.warn("#{prefix}: #{operation} failed - #{e.record.errors.size} validation errors.")

    context.record.errors.full_messages.each do |message|
      @logger.warn("#{prefix}: #{message}")
    end
  end

  context.record
end