Class: Traka::Change

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
lib/traka/change.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.changes(opts = {}) ⇒ Object 



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# File 'lib/traka/change.rb', line 33

def changes(opts={})
  opts = {:version => nil,
          :filter => true,
          :actions => [],
          :only => []}.merge(opts)

  # If version is specified, return only published changes from v onwards.
  # Otherwise, return only unstaged changes.
  unless opts[:version].is_a?(Range)
    opts[:version] = opts[:version]    ?
      (opts[:version]..latest_version) :
      latest_version + 1
  end

  c = where(["version #{opts[:version].is_a?(Range) ? "in" : ">="} (?)", opts[:version]])

  unless opts[:actions].empty?
    c = c.where(["action_type in (?)", opts[:actions]])
  end

  unless opts[:only].empty?
    c = c.where(["klass in (?)", opts[:only].map(&:to_s)])
  end

  if opts[:filter]
    filter_changes(c)
  else
    c.all
  end
end

.latest_version ⇒ Object 



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# File 'lib/traka/change.rb', line 10

def latest_version
  begin
    File.read(version_path).to_i
  rescue
    tc = self.last
    v  = tc ? tc.version : 1

    logger.warn "Latest Traka version not found. Defaulting to v#{v}"

    v
  end
end

.publish_new_version! ⇒ Object 



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# File 'lib/traka/change.rb', line 23

def publish_new_version!
  set_version!(latest_version + 1)
end

.set_version!(v) ⇒ Object 



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# File 'lib/traka/change.rb', line 27

def set_version!(v)
  File.open(version_path, "w") do |f|
    f.write(v.to_s)
  end
end

Instance Method Details

#get_record ⇒ Object 



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# File 'lib/traka/change.rb', line 94

def get_record
  ar = ActiveRecord::Base.const_get(self.klass)
  ar.where(ar.traka_uuid => self.uuid).first
end