Class: Rivendell::Import::Task

Inherits:
ActiveRecord::Base
  • Object
show all
Includes:
Rivendell::Import::Tasking::Cart, Rivendell::Import::Tasking::Destination, Rivendell::Import::Tasking::File, Rivendell::Import::Tasking::Status, Rivendell::Import::Tasking::Tags
Defined in:
lib/rivendell/import/task.rb

Constant Summary collapse

RAN_STATUSES = 
%w{completed failed canceled}.freeze
@@default_xport_options = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Rivendell::Import::Tasking::Destination

#calculate_destination, #destination, included, #reset_destination!

Methods included from Rivendell::Import::Tasking::Status

#change_status!, #define_default_status, included, #invoke_status_changed_callbacks, #raw_status, #status

Methods included from Rivendell::Import::Tasking::Cart

#cart, included, #raw_cart, #write_cart

Methods included from Rivendell::Import::Tasking::Tags

included, #raw_tags, #tag, #tags, #write_tags

Methods included from Rivendell::Import::Tasking::File

#close_file, #delete_file!, #file, #file=

Class Method Details

.by_priority ⇒ Object 



23
24
25
 
# File 'lib/rivendell/import/task.rb', line 23

def self.by_priority
  order(["priority desc", "created_at"])
end

.pending ⇒ Object 



15
16
17
 
# File 'lib/rivendell/import/task.rb', line 15

def self.pending
  where :status => "pending"
end

.purge! ⇒ Object 



149
150
151
 
# File 'lib/rivendell/import/task.rb', line 149

def self.purge!
  where("created_at < ?", 24.hours.ago).destroy_all
end

.ran ⇒ Object 



29
30
31
 
# File 'lib/rivendell/import/task.rb', line 29

def self.ran
  where :status => RAN_STATUSES
end

.ready ⇒ Object 



19
20
21
 
# File 'lib/rivendell/import/task.rb', line 19

def self.ready
  pending.by_priority.select(&:ready?)
end

.search(text) ⇒ Object 



33
34
35
 
# File 'lib/rivendell/import/task.rb', line 33

def self.search(text)
  where [ "lower(file_name) like ?", "%#{text.downcase}%" ]
end

Instance Method Details

#cancel! ⇒ Object 



108
109
110
 
# File 'lib/rivendell/import/task.rb', line 108

def cancel!
  self.status = "canceled"
end

#destroy_file! ⇒ Object 



104
105
106
 
# File 'lib/rivendell/import/task.rb', line 104

def destroy_file!
  file.destroy! if delete_file?
end

#detailed_status ⇒ Object 



92
93
94
95
96
97
98
 
# File 'lib/rivendell/import/task.rb', line 92

def detailed_status
  if status.pending? and not ready?
    "waiting"
  else
    status
  end
end

#file_ready? ⇒ Boolean

Returns:

  • (Boolean) 


100
101
102
 
# File 'lib/rivendell/import/task.rb', line 100

def file_ready?
  file.ready?
end

#logger ⇒ Object 



70
71
72
 
# File 'lib/rivendell/import/task.rb', line 70

def logger
  Rivendell::Import.logger
end

#notify! ⇒ Object 



81
82
83
84
85
 
# File 'lib/rivendell/import/task.rb', line 81

def notify!
  notifiers.each do |notifier|
    notifier.notify
  end
end

#prepare(&block) ⇒ Object 



61
62
63
64
65
66
67
68
 
# File 'lib/rivendell/import/task.rb', line 61

def prepare(&block)
  begin
    Context.new(self).run(&block)
  rescue => e
    logger.error "Task preparation failed : #{e}"
  end
  self
end

#purge! ⇒ Object 



145
146
147
 
# File 'lib/rivendell/import/task.rb', line 145

def purge!
  self.class.purge!
end

#ran? ⇒ Boolean

Returns:

  • (Boolean) 


37
38
39
 
# File 'lib/rivendell/import/task.rb', line 37

def ran?
  status.in? RAN_STATUSES
end

#raw_xport_options ⇒ Object 



44
45
46
 
# File 'lib/rivendell/import/task.rb', line 44

def raw_xport_options
  read_attribute :xport_options
end

#ready? ⇒ Boolean

Returns:

  • (Boolean) 


88
89
90
 
# File 'lib/rivendell/import/task.rb', line 88

def ready?
  status.pending? and file_ready?
end

#run ⇒ Object 



112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
 
# File 'lib/rivendell/import/task.rb', line 112

def run
  if status.canceled?
    logger.debug "Don't run canceled task : #{self.inspect}"
    return
  end

  logger.debug "Run #{self.inspect}"
  change_status! :running

  reset_destination!

  cart.create
  cart.import file
  cart.update

  destroy_file!
  change_status! :completed

  logger.info "Imported Cart #{cart.number}"
rescue Exception => e
  logger.error "Task failed : #{e}"
  logger.debug e.backtrace.join("\n")
ensure
  close_file
  
  unless ran?
    change_status! :failed
  end
  save!
end

#to_s ⇒ Object 



74
75
76
 
# File 'lib/rivendell/import/task.rb', line 74

def to_s
  "Import '#{file}' in #{destination}"
end

#write_xport_options ⇒ Object 



52
53
54
 
# File 'lib/rivendell/import/task.rb', line 52

def write_xport_options
  write_attribute :xport_options, (xport_options.present? ? xport_options.to_json : nil)
end

#xport ⇒ Object 



57
58
59
 
# File 'lib/rivendell/import/task.rb', line 57

def xport
  @xport ||= Rivendell::API::Xport.new(xport_options)
end

#xport_options ⇒ Object 



48
49
50
 
# File 'lib/rivendell/import/task.rb', line 48

def xport_options
  @xport_options ||= (raw_xport_options ? JSON.parse(raw_xport_options).with_indifferent_access : default_xport_options.dup)
end