Module: PostJson::FinderMethods

Extended by:
ActiveSupport::Concern
Includes:
ArgumentMethods, QueryMethods
Included in:
QueryTranslator
Defined in:
lib/post_json/concerns/finder_methods.rb

Instance Method Summary collapse

Methods included from ArgumentMethods

#assert_valid_indifferent_keys, #flatten_arguments, #join_arguments

Methods included from QueryMethods

#add_query, #except, #except!, #limit, #limit!, #offset, #offset!, #only, #only!, #order, #order!, #page, #page!, #query_clone, #query_tree, #query_tree_renew!, #reorder, #reorder!, #reverse_order, #reverse_order!, #where, #where!

Instance Method Details

#any? ⇒ Boolean

Returns:

  • (Boolean) 


14
15
16
 
# File 'lib/post_json/concerns/finder_methods.rb', line 14

def any?
  execute { |documents| documents.any? }
end

#blank? ⇒ Boolean

Returns:

  • (Boolean) 


18
19
20
 
# File 'lib/post_json/concerns/finder_methods.rb', line 18

def blank?
  execute { |documents| documents.blank? }
end

#count(column_name = nil, options = {}) ⇒ Object 



22
23
24
25
26
27
28
29
 
# File 'lib/post_json/concerns/finder_methods.rb', line 22

def count(column_name = nil, options = {})
  selector =  if column_name.present?
                define_selector(column_name)
              else
                column_name
              end
  execute { |documents| documents.count(selector, options) }
end

#delete(id_or_array) ⇒ Object 



31
32
33
 
# File 'lib/post_json/concerns/finder_methods.rb', line 31

def delete(id_or_array)
  where(id: id_or_array).delete_all
end

#delete_all(conditions = nil) ⇒ Object 



35
36
37
 
# File 'lib/post_json/concerns/finder_methods.rb', line 35

def delete_all(conditions = nil)
  where(conditions).execute { |documents| documents.delete_all }
end

#destroy(id) ⇒ Object 



39
40
41
 
# File 'lib/post_json/concerns/finder_methods.rb', line 39

def destroy(id)
  execute { |documents| documents.destroy(id) }
end

#destroy_all(conditions = nil) ⇒ Object 



43
44
45
 
# File 'lib/post_json/concerns/finder_methods.rb', line 43

def destroy_all(conditions = nil)
  where(conditions).execute { |documents| documents.destroy_all }
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


47
48
49
 
# File 'lib/post_json/concerns/finder_methods.rb', line 47

def empty?
  execute { |documents| documents.empty? }
end

#exists?(conditions = nil) ⇒ Boolean

Returns:

  • (Boolean) 


51
52
53
54
55
56
57
58
59
60
61
62
 
# File 'lib/post_json/concerns/finder_methods.rb', line 51

def exists?(conditions = nil)
  query = case conditions
          when nil
            self
          when Numeric, String
            where({id: conditions})
          else
            where(conditions)
          end

  query.execute { |documents| documents.exists? }
end

#find(*args) ⇒ Object 



64
65
66
 
# File 'lib/post_json/concerns/finder_methods.rb', line 64

def find(*args)
  execute { |documents| documents.find(*args) }
end

#find_by(*args) ⇒ Object 



68
69
70
 
# File 'lib/post_json/concerns/finder_methods.rb', line 68

def find_by(*args)
  where(*args).first
end

#find_by!(*args) ⇒ Object 



72
73
74
 
# File 'lib/post_json/concerns/finder_methods.rb', line 72

def find_by!(*args)
  find_by(*args) or raise ActiveRecord::RecordNotFound
end

#find_each(options = {}) ⇒ Object 



76
77
78
 
# File 'lib/post_json/concerns/finder_methods.rb', line 76

def find_each(options = {})
  execute { |documents| documents.find_each(options) }
end

#find_in_batches(options = {}) ⇒ Object 



80
81
82
 
# File 'lib/post_json/concerns/finder_methods.rb', line 80

def find_in_batches(options = {})
  execute { |documents| documents.find_in_batches(options) }
end

#first(limit = nil) ⇒ Object 



84
85
86
87
88
89
90
 
# File 'lib/post_json/concerns/finder_methods.rb', line 84

def first(limit = nil)
  if limit
    limit(limit).execute { |documents| documents.first }
  else
    execute { |documents| documents.first }
  end
end

#first! ⇒ Object 



92
93
94
 
# File 'lib/post_json/concerns/finder_methods.rb', line 92

def first!
  execute { |documents| documents.first! }
end

#first_or_create(attributes = {}) ⇒ Object 



96
97
98
99
 
# File 'lib/post_json/concerns/finder_methods.rb', line 96

def first_or_create(attributes = {})
  attributes = where_values_hash.with_indifferent_access.deep_merge(attributes)
  first or create(attributes)
end

#first_or_initialize(attributes = {}) ⇒ Object 



101
102
103
104
 
# File 'lib/post_json/concerns/finder_methods.rb', line 101

def first_or_initialize(attributes = {})
  attributes = where_values_hash.with_indifferent_access.deep_merge(attributes)
  first or model_class.new(attributes)
end

#ids ⇒ Object 



106
107
108
 
# File 'lib/post_json/concerns/finder_methods.rb', line 106

def ids
  pluck('id')
end

#last(limit = nil) ⇒ Object 



110
111
112
 
# File 'lib/post_json/concerns/finder_methods.rb', line 110

def last(limit = nil)
  reverse_order.first(limit)
end

#last! ⇒ Object 



114
115
116
 
# File 'lib/post_json/concerns/finder_methods.rb', line 114

def last!
  reverse_order.first!
end

#load ⇒ Object 



118
119
120
 
# File 'lib/post_json/concerns/finder_methods.rb', line 118

def load
  execute { |documents| documents.load }
end

#many? ⇒ Boolean

Returns:

  • (Boolean) 


122
123
124
 
# File 'lib/post_json/concerns/finder_methods.rb', line 122

def many?
  execute { |documents| documents.many? }
end

#pluck(*selectors) ⇒ Object 



126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
 
# File 'lib/post_json/concerns/finder_methods.rb', line 126

def pluck(*selectors)
  selectors = join_arguments(*selectors)
  if selectors == ""
    []
  elsif selectors == "*"
    execute { |documents| documents.pluck("\"#{table_name}\".__doc__body") }
  elsif selectors == "id"
    execute { |documents| documents.pluck("\"#{table_name}\".id") }
  else
    result = nil
    execute { |documents| result = documents.pluck("json_selectors('#{selectors}', \"#{table_name}\".__doc__body)") }
    if selectors.include?(",")
      result
    else
      result.flatten(1)
    end
  end
end

#select(*selectors) ⇒ Object 



145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
 
# File 'lib/post_json/concerns/finder_methods.rb', line 145

def select(*selectors)
  selectors = selectors.flatten(1)
  if selectors.length == 0
    []
  elsif selectors.length == 1
    selector = selectors[0]
    case selector
    when String, Symbol
      selector = selector.to_s.gsub(/\s+/, '')
      if selector == "*"
        pluck("*").map { |body| body ? Hashie::Mash.new(body) : body }
      else
        selectors = selector.split(",")
        if selectors.length == 1
          select({selector => selector})
        else
          select(selectors)
        end
      end
    when Hash
      flat_hash = selector.flatten_hash
      pluck(flat_hash.values).map do |row|
        flat_body = if flat_hash.keys.length == 1
                      {flat_hash.keys[0] => row}
                    else
                      Hash[flat_hash.keys.zip(row)]
                    end
        deep_hash = flat_body.deepen_hash
        Hashie::Mash.new(deep_hash) if deep_hash
      end
    else
      raise ArgumentError, "Invalid argument(s): #{selectors.inspect}"
    end
  else
    select(Hash[selectors.zip(selectors)])
  end
end

#size ⇒ Object 



183
184
185
 
# File 'lib/post_json/concerns/finder_methods.rb', line 183

def size
  execute { |documents| documents.size }
end

#take(limit = nil) ⇒ Object 



187
188
189
 
# File 'lib/post_json/concerns/finder_methods.rb', line 187

def take(limit = nil)
  execute { |documents| documents.take(limit) }
end

#take! ⇒ Object 



191
192
193
 
# File 'lib/post_json/concerns/finder_methods.rb', line 191

def take!
  execute { |documents| documents.take! }
end

#to_a ⇒ Object 



195
196
197
 
# File 'lib/post_json/concerns/finder_methods.rb', line 195

def to_a
  execute { |documents| documents.to_a }
end

#to_sql ⇒ Object 



199
200
201
 
# File 'lib/post_json/concerns/finder_methods.rb', line 199

def to_sql
  execute { |documents| documents.to_sql }
end

#where_values_hash ⇒ Object 



203
204
205
206
207
208
209
210
211
 
# File 'lib/post_json/concerns/finder_methods.rb', line 203

def where_values_hash
  where_equals = query_tree[:where_equal] || []
  values_hash = where_equals.inject({}) do |result, where_equal|
    key = where_equal[:attribute]
    result[key] = where_equal[:argument]
    result
  end
  values_hash.deepen_hash
end