Module: MongoMapper::Document::ClassMethods

Defined in:
lib/mongomapper/document.rb

Instance Method Summary collapse

Instance Method Details

#all(options = {}) ⇒ Object 



60
61
62
 
# File 'lib/mongomapper/document.rb', line 60

def all(options={})
  find_every(options)
end

#collection(name = nil) ⇒ Object 



136
137
138
139
140
141
142
143
 
# File 'lib/mongomapper/document.rb', line 136

def collection(name=nil)
  if name.nil?
    @collection ||= database.collection(self.to_s.demodulize.tableize)
  else
    @collection = database.collection(name)
  end
  @collection
end

#connection(mongo_connection = nil) ⇒ Object 



118
119
120
121
122
123
124
125
 
# File 'lib/mongomapper/document.rb', line 118

def connection(mongo_connection=nil)
  if mongo_connection.nil?
    @connection ||= MongoMapper.connection
  else
    @connection = mongo_connection
  end
  @connection
end

#count(conditions = {}) ⇒ Object 



71
72
73
 
# File 'lib/mongomapper/document.rb', line 71

def count(conditions={})
  collection.count(FinderOptions.to_mongo_criteria(conditions))
end

#create(*docs) ⇒ Object 



75
76
77
78
79
80
81
82
83
 
# File 'lib/mongomapper/document.rb', line 75

def create(*docs)
  instances = []
  docs = [{}] if docs.blank?
  docs.flatten.each do |attrs|
    doc = new(attrs); doc.save
    instances << doc
  end
  instances.size == 1 ? instances[0] : instances
end

#database(name = nil) ⇒ Object 



127
128
129
130
131
132
133
134
 
# File 'lib/mongomapper/document.rb', line 127

def database(name=nil)
  if name.nil?
    @database ||= MongoMapper.database
  else
    @database = connection.db(name)
  end
  @database
end

#delete(*ids) ⇒ Object 



100
101
102
103
 
# File 'lib/mongomapper/document.rb', line 100

def delete(*ids)
  criteria = FinderOptions.to_mongo_criteria(:_id => ids.flatten)
  collection.remove(criteria)
end

#delete_all(conditions = {}) ⇒ Object 



105
106
107
108
 
# File 'lib/mongomapper/document.rb', line 105

def delete_all(conditions={})
  criteria = FinderOptions.to_mongo_criteria(conditions)
  collection.remove(criteria)
end

#destroy(*ids) ⇒ Object 



110
111
112
 
# File 'lib/mongomapper/document.rb', line 110

def destroy(*ids)
  find_some(ids.flatten).each(&:destroy)
end

#destroy_all(conditions = {}) ⇒ Object 



114
115
116
 
# File 'lib/mongomapper/document.rb', line 114

def destroy_all(conditions={})
  find(:all, :conditions => conditions).each(&:destroy)
end

#find(*args) ⇒ Object 



27
28
29
30
31
32
33
34
35
36
 
# File 'lib/mongomapper/document.rb', line 27

def find(*args)
  options = args.extract_options!

  case args.first
    when :first then find_first(options)
    when :last  then find_last(options)
    when :all   then find_every(options)
    else             find_from_ids(args, options)
  end
end

#find_by_id(id) ⇒ Object 



64
65
66
67
68
69
 
# File 'lib/mongomapper/document.rb', line 64

def find_by_id(id)
  criteria = FinderOptions.to_mongo_criteria(:_id => id)
  if doc = collection.find_first(criteria)
    new(doc)
  end
end

#first(options = {}) ⇒ Object 



52
53
54
 
# File 'lib/mongomapper/document.rb', line 52

def first(options={})
  find_first(options)
end

#last(options = {}) ⇒ Object 



56
57
58
 
# File 'lib/mongomapper/document.rb', line 56

def last(options={})
  find_last(options)
end

#paginate(options) ⇒ Object 



38
39
40
41
42
43
44
45
46
47
48
49
50
 
# File 'lib/mongomapper/document.rb', line 38

def paginate(options)        
  per_page      = options.delete(:per_page)
  page          = options.delete(:page)
  total_entries = count(options[:conditions] || {})
  
  collection = Pagination::PaginationProxy.new(total_entries, page, per_page)
  
  options[:limit] = collection.limit
  options[:offset]  = collection.offset
  
  collection.subject = find_every(options)
  collection
end

#update(*args) ⇒ Object

For updating single document Person.update(1, => 'bar')

For updating multiple documents at once: Person.update(=> {:foo => 'bar', '2' => => 'wick'})



90
91
92
93
94
95
96
97
98
 
# File 'lib/mongomapper/document.rb', line 90

def update(*args)
  updating_multiple = args.length == 1
  if updating_multiple
    update_multiple(args[0])
  else
    id, attributes = args
    update_single(id, attributes)
  end
end

#validates_exclusion_of(*args) ⇒ Object 



149
150
151
 
# File 'lib/mongomapper/document.rb', line 149

def validates_exclusion_of(*args)
  add_validations(args, MongoMapper::Validations::ValidatesExclusionOf)
end

#validates_inclusion_of(*args) ⇒ Object 



153
154
155
 
# File 'lib/mongomapper/document.rb', line 153

def validates_inclusion_of(*args)
  add_validations(args, MongoMapper::Validations::ValidatesInclusionOf)
end

#validates_uniqueness_of(*args) ⇒ Object 



145
146
147
 
# File 'lib/mongomapper/document.rb', line 145

def validates_uniqueness_of(*args)
  add_validations(args, MongoMapper::Validations::ValidatesUniquenessOf)
end