Class: Dorsale::SmallData::Filter

Inherits:
Object
  • Object
show all
Defined in:
app/models/dorsale/small_data/filter.rb

Instance Method Summary collapse

Constructor Details

#initialize(jar) ⇒ Filter

Returns a new instance of Filter.



4
5
6
 
# File 'app/models/dorsale/small_data/filter.rb', line 4

def initialize(jar)
  @jar = jar
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args) ⇒ Object 



44
45
46
47
48
49
50
51
52
 
# File 'app/models/dorsale/small_data/filter.rb', line 44

def method_missing(method, *args)
  key = method.to_s

  if strategies.key?(key)
    get(key)
  else
    super
  end
end

Instance Method Details

#apply(query) ⇒ Object 



32
33
34
35
36
37
38
39
40
41
42
 
# File 'app/models/dorsale/small_data/filter.rb', line 32

def apply(query)
  strategies.each do |key, strategy|
    value = get(key)

    next if value.blank?

    query = strategy.apply(query, value)
  end

  return query
end

#get(key) ⇒ Object 



18
19
20
 
# File 'app/models/dorsale/small_data/filter.rb', line 18

def get(key)
  read[key.to_s]
end

#read ⇒ Object 



12
13
14
15
16
 
# File 'app/models/dorsale/small_data/filter.rb', line 12

def read
  JSON.parse @jar["filters"].to_s
rescue JSON::ParserError
  {}
end

#set(key, value) ⇒ Object 



22
23
24
25
26
 
# File 'app/models/dorsale/small_data/filter.rb', line 22

def set(key, value)
  array           = read
  array[key.to_s] = value
  store(array)
end

#store(filters) ⇒ Object 



8
9
10
 
# File 'app/models/dorsale/small_data/filter.rb', line 8

def store(filters)
  @jar["filters"] = filters.to_json
end

#strategies ⇒ Object 



28
29
30
 
# File 'app/models/dorsale/small_data/filter.rb', line 28

def strategies
  self.class::STRATEGIES
end