Module: Hammock::ActiveRecordPatches::InstanceMethods

Defined in:
lib/hammock/monkey_patches/active_record.rb

Instance Method Summary collapse

Instance Method Details

#adjust(attrs) ⇒ Object 



178
179
180
181
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 178

def adjust attrs
  attrs.each {|k,v| send "#{k}=", v }
  save false
end

#base_model ⇒ Object 



144
145
146
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 144

def base_model
  self.class.base_model
end

#concise_inspect ⇒ Object 



113
114
115
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 113

def concise_inspect
  "#{self.class}<#{self.to_param || 'new'}>"
end

#description ⇒ Object 



140
141
142
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 140

def description
  new_record? ? "new_#{base_model}" : "#{base_model}_#{id}"
end

#id_str ⇒ Object 



132
133
134
135
136
137
138
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 132

def id_str
  if new_record?
    "new_#{base_model}"
  else
    "#{base_model}_#{id}"
  end
end

#new_or_deleted_before_save? ⇒ Boolean

Returns:

  • (Boolean) 


148
149
150
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 148

def new_or_deleted_before_save?
  @new_or_deleted_before_save
end

#offset!(attribute, offset) ⇒ Object

Offset attribute by offset atomically in SQL.



191
192
193
194
195
196
197
198
199
200
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 191

def offset! attribute, offset
  if new_record?
    log "Can't offset! a new record."
  else
    # Update the in-memory model
    send "#{attribute}=", send(attribute) + offset
    # Update the DB
    run_updater_sql 'Offset', "#{connection.quote_column_name(attribute)} = #{connection.quote_column_name(attribute)} + #{quote_value(offset)}"
  end
end

#record? ⇒ Boolean

Returns:

  • (Boolean) 


129
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 129

def record?; true end

#resource ⇒ Object 



117
118
119
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 117

def resource
  self.class.resource
end

#resource? ⇒ Boolean

Returns:

  • (Boolean) 


130
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 130

def resource?; false end

#resource_name ⇒ Object 



125
126
127
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 125

def resource_name
  self.class.resource_name
end

#resource_sym ⇒ Object 



121
122
123
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 121

def resource_sym
  self.class.resource_sym
end

#set_new_or_deleted_before_save ⇒ Object 



151
152
153
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 151

def set_new_or_deleted_before_save
  @new_or_deleted_before_save = new_record? || send_if_respond_to(:deleted?)
end

#touch(*attrs) ⇒ Object

Updates each given attribute to the current time.

Assumes that each column can accept a Time instance, i.e. that they’re all datetime columns or similar.

The updates are done with update_attribute, and as such they are done with callbacks but without validation.



161
162
163
164
165
166
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 161

def touch *attrs
  now = Time.now
  attrs.each {|attribute|
    update_attribute attribute, now
  }
end

#touch_once(*attrs) ⇒ Object

Updates each given attribute to the current time, skipping attributes that are already set.

Assumes that each column can accept a Time instance, i.e. that they’re all datetime columns or similar.

The updates are done with update_attribute, and as such they are done with callbacks but without validation.



174
175
176
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 174

def touch_once *attrs
  touch *attrs.select {|attribute| attributes[attribute.to_s].nil? }
end

#unsaved_attributes ⇒ Object 



183
184
185
186
187
188
 
# File 'lib/hammock/monkey_patches/active_record.rb', line 183

def unsaved_attributes
  self.changed.inject({}) {|hsh,k|
    hsh[k] = attributes[k]
    hsh
  }
end