Class: StoreTasks

Inherits:
Object show all
Defined in:
app/volt/tasks/store_tasks.rb

Instance Method Summary collapse

Constructor Details

#initialize(channel = nil, dispatcher = nil) ⇒ StoreTasks

Returns a new instance of StoreTasks.



5
6
7
8
9
10
11
 
# File 'app/volt/tasks/store_tasks.rb', line 5

def initialize(channel=nil, dispatcher=nil)
  @@mongo_db ||= Mongo::MongoClient.new("localhost", 27017)
  @@db ||= @@mongo_db.db("development")

  @channel = channel
  @dispatcher = dispatcher
end

Instance Method Details

#db ⇒ Object 



13
14
15
 
# File 'app/volt/tasks/store_tasks.rb', line 13

def db
  @@db
end

#delete(collection, id) ⇒ Object 



65
66
67
68
69
 
# File 'app/volt/tasks/store_tasks.rb', line 65

def delete(collection, id)
  @@db[collection].remove('_id' => id)

  QueryTasks.live_query_pool.updated_collection(collection, @channel)
end

#model_errors(collection, data) ⇒ Object 



17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
# File 'app/volt/tasks/store_tasks.rb', line 17

def model_errors(collection, data)
  model_name = collection[1..-1].singularize.camelize

  # TODO: Security check to make sure we have a valid model
  begin
    model_class = Object.send(:const_get, model_name)
  rescue NameError => e
    model_class = nil
  end

  if model_class
    return model_class.new(data).errors
  end

  return {}
end

#save(collection, data) ⇒ Object 



34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
 
# File 'app/volt/tasks/store_tasks.rb', line 34

def save(collection, data)
  data = data.symbolize_keys

  errors = model_errors(collection, data)

  if errors.size == 0
    id = data[:_id]

    # Try to create
    # TODO: Seems mongo is dumb and doesn't let you upsert with custom id's
    begin
      @@db[collection].insert(data)
    rescue Mongo::OperationFailure => error
      # Really mongo client?
      if error.message[/^11000[:]/]
        # Update because the id already exists
        update_data = data.dup
        update_data.delete(:_id)
        @@db[collection].update({:_id => id}, update_data)
      else
        return {:error => error.message}
      end
    end

    QueryTasks.live_query_pool.updated_collection(collection, @channel)
    return {}
  else
    return errors
  end
end