Module: Fclay::Attachment

Extended by:
ActiveSupport::Concern
Defined in:
lib/fclay/attachment.rb

Constant Summary collapse

CALLBACKS = 
[:process,:upload,:delete]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#file ⇒ Object

Returns the value of attribute file.



28
29
30
 
# File 'lib/fclay/attachment.rb', line 28

def file
  @file
end

Class Method Details

.resolve_file_url(navigation_complex_id, type, file_name, style = nil) ⇒ Object 



242
243
244
245
246
247
248
249
250
251
252
 
# File 'lib/fclay/attachment.rb', line 242

def self.resolve_file_url(navigation_complex_id, type, file_name, style = nil)

  return "" if file_name.nil? || type.nil?

  path = "http://s3.amazonaws.com/#{Fclay.remote_storage.bucket_name}"
  path += "/navigation_complex/#{navigation_complex_id}" if navigation_complex_id
  path += "/#{type}"
  path += "/#{style.to_s}" if style
  path += "/#{file_name}"
  path
end

.upload(type, id) ⇒ Object 



74
75
76
77
78
79
80
81
82
83
 
# File 'lib/fclay/attachment.rb', line 74

def self.upload(type, id)
  type = type.safe_constantize
  return unless type
  uploading_object = type.find_by_id(id)
  uploading_object.try(:log,"Fclay::upload() called, uploading_object: #{uploading_object}, uploading_object.need_upload: #{uploading_object.try(:need_upload)}")
  return if !uploading_object || !uploading_object.need_upload

  Fclay::RemoteStorage::Provider.upload(uploading_object)

end

Instance Method Details

#create_dirs ⇒ Object 



161
162
163
164
165
166
167
 
# File 'lib/fclay/attachment.rb', line 161

def create_dirs

 (self.class.fclay_options[:styles].try(:keys) || [nil]).each do |style|
   FileUtils.mkdir_p(local_file_dir(style))
 end

end

#delete_files ⇒ Object 



30
31
32
33
 
# File 'lib/fclay/attachment.rb', line 30

def delete_files
  return unless self.file_location
  self.file_location == 'local' ? delete_local_files : delete_remote_files
end

#delete_local_files ⇒ Object 



221
222
223
224
225
226
227
228
229
230
231
232
 
# File 'lib/fclay/attachment.rb', line 221

def delete_local_files

   begin
      (self.class.fclay_options[:styles].try(:keys) || [nil]).each do |style|
        FileUtils.rm(local_file_path(style),{:force => true})
      end
   rescue
      Rails.logger.info "Deleting Media #{id} sync file not found"
   end
   true

end

#delete_remote_files ⇒ Object 



234
235
236
 
# File 'lib/fclay/attachment.rb', line 234

def delete_remote_files
  Fclay::RemoteStorage::Provider.delete_files(self)
end

#delete_tmp_file ⇒ Object 



156
157
158
159
 
# File 'lib/fclay/attachment.rb', line 156

def delete_tmp_file
   FileUtils.rm(@file.try(:path) || @file[:path],{:force => true}) if @file
   @file = nil
end

#fclay_attachment_presence ⇒ Object 



85
86
87
 
# File 'lib/fclay/attachment.rb', line 85

def fclay_attachment_presence
 errors.add(:file, 'must be present') if id.blank? && !@file
end

#fetch_extension ⇒ Object 



214
215
216
217
218
219
 
# File 'lib/fclay/attachment.rb', line 214

def fetch_extension
  ext = self.class.fclay_options[:extension]
  return nil if ext == false
  return ext.to_s if ext
  @file.original_filename.split(".").try(:last) if @file.try(:original_filename)
end

#fetch_file_name ⇒ Object 



203
204
205
206
207
208
209
210
211
212
 
# File 'lib/fclay/attachment.rb', line 203

def fetch_file_name

  return if self.file_name.present?
  ext = fetch_extension

  self.file_name = try(:fclay_attachment_filename)
  self.file_name = SecureRandom.hex unless self.file_name
  self.file_name += ".#{ext}" if ext

end

#file_size_mb ⇒ Object 



89
90
91
92
93
 
# File 'lib/fclay/attachment.rb', line 89

def file_size_mb

  "#{((self.file_size >> 10).to_f / 1024).round(2)} Mb" if self.file_size

end

#file_url(style = nil) ⇒ Object 



95
96
97
98
99
100
101
102
103
104
105
106
107
 
# File 'lib/fclay/attachment.rb', line 95

def file_url(style=nil)
  return '' unless self.file_location

  case self.file_location
  when "external_link"
    self.file_name
  when "local"
    local_file_url(style)
  else
    remote_file_url(style)
  end

end

#final_file_url(style = nil) ⇒ Object 



109
110
111
112
113
114
115
116
 
# File 'lib/fclay/attachment.rb', line 109

def final_file_url(style=nil)
  return self.file_name if self.file_location == "external_link"
  if Fclay.configuration.storage_policy != :local
    remote_file_url(style)
  else
    local_file_url(style)
  end
end

#local_file_dir(style = nil) ⇒ Object 



142
143
144
145
146
 
# File 'lib/fclay/attachment.rb', line 142

def local_file_dir(style=nil)
 dir = "#{Rails.root.to_s + Fclay.configuration.local_folder}/#{self.class.name.tableize}"
 dir += "/#{style.to_s}" if style
 dir
end

#local_file_path(style = nil) ⇒ Object 



124
125
126
127
128
 
# File 'lib/fclay/attachment.rb', line 124

def local_file_path(style=nil)

   local_file_dir(style) + "/" + file_name

end

#local_file_url(style = nil) ⇒ Object 



130
131
132
133
134
135
136
 
# File 'lib/fclay/attachment.rb', line 130

def local_file_url(style=nil)
  url = Fclay.configuration.local_storage_host
  url += "#{Fclay.configuration.local_url}/#{self.class.name.tableize}"
  url += "/#{style.to_s}" if style
  url += "/#{file_name}"
  url
end

#need_upload ⇒ Object 



56
57
58
 
# File 'lib/fclay/attachment.rb', line 56

def need_upload
  Fclay.configuration.storage_policy != :local && self.file_location == "local"
end

#process_file ⇒ Object 



169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
 
# File 'lib/fclay/attachment.rb', line 169

def process_file
  self.try(:log,"process_file called")
  self.try(:log,"@file: #{@file.try(:to_s)}")
  return unless @file

  delete_files
  path = @file.try(:path) || @file.try(:[],:path)

  self.try(:log,"fetched path: #{path.try(:to_s)}")
  return unless path

  self.content_type = @file.try(:content_type) || @file.try(:[],:content_type) if self.respond_to?(:'content_type=')

  if path[0..3] == "http"
    self.file_status = 'idle'
    self.file_location = 'external_link'
    self.file_name = path
  else
    create_dirs
    fetch_file_name

    (self.class.fclay_options[:styles].try(:keys) || [nil]).each do |style|
      FileUtils.cp(path,local_file_path(style))
      `chmod 777 #{local_file_path(style)}`
    end
    self.original_file_name = @file.try(:original_filename) || @file.try(:[],:content_type)
    delete_tmp_file
    set_file_size self.class.fclay_options[:styles].try(:keys).try(:first)
    self.file_location = 'local'
    self.file_status = need_upload ? "processing" : "idle"
    self.try(:log,"file_processed,  file_status: #{self.file_status}")
  end
end

#process_upload ⇒ Object 



47
48
49
50
51
52
53
54
 
# File 'lib/fclay/attachment.rb', line 47

def process_upload
  return unless need_upload
  if self.class.fclay_options[:processing] == :foreground
    upload
  else
    upload_later
  end
end

#remote_file_path(style = nil) ⇒ Object 



148
149
150
151
152
153
154
 
# File 'lib/fclay/attachment.rb', line 148

def remote_file_path(style = nil)
  path = ""
  path += "#{self.class.name.tableize}"
  path += "/#{style.to_s}" if style
  path += "/#{file_name}"
  path
end

#remote_file_url(style = nil) ⇒ Object 



118
119
120
121
122
 
# File 'lib/fclay/attachment.rb', line 118

def remote_file_url(style=nil)
  # host = Fclay.remote_storage.host || "https://#{Fclay.remote_storage.bucket_name}.s3.amazonaws.com"
  # "#{host}/#{remote_file_path(style)}"
  Fclay::RemoteStorage::Provider.remote_file_url(self, style)
end

#safe_delete_files ⇒ Object 



35
36
37
38
39
40
41
42
43
44
45
 
# File 'lib/fclay/attachment.rb', line 35

def safe_delete_files
  delete_files

  self.file_status = nil
  self.file_location = nil
  self.file_name = nil
  self.original_file_name = nil
  self.file_size = nil
  self.content_type = nil
  save
end

#set_file_size(style = nil) ⇒ Object 



238
239
240
 
# File 'lib/fclay/attachment.rb', line 238

def set_file_size style=nil
  self.file_size = File.size local_file_path(style)
end

#short_local_file_url(style = nil) ⇒ Object 



138
139
140
 
# File 'lib/fclay/attachment.rb', line 138

def short_local_file_url(style=nil)

end

#upload ⇒ Object 



70
71
72
 
# File 'lib/fclay/attachment.rb', line 70

def upload
  Fclay::Attachment.upload self.class.name,self.id
end

#upload_later ⇒ Object 



60
61
62
63
64
65
66
67
68
 
# File 'lib/fclay/attachment.rb', line 60

def upload_later

  self.try(:log,"upload_later() called, need_upload: #{need_upload}")
  if need_upload
    job = Fclay::UploadJob.perform_later(self.class.name,self.id)
    self.try(:log,"sheduled! job id: #{job.provider_job_id}")
  end

end