class ActiveGraph::Node::Query::QueryProxy::Link

Attributes

clause[R]

Public Class Methods

converted_key(model, key) click to toggle source
    # File lib/active_graph/node/query/query_proxy_link.rb
122 def converted_key(model, key)
123   if key.to_sym == :id
124     model ? model.id_property_name : :uuid
125   else
126     key
127   end
128 end
converted_keys(model, arg) click to toggle source
    # File lib/active_graph/node/query/query_proxy_link.rb
118 def converted_keys(model, arg)
119   arg.is_a?(Hash) ? Hash[arg.map { |key, value| [converted_key(model, key), value] }] : arg
120 end
converted_value(model, key, value) click to toggle source
    # File lib/active_graph/node/query/query_proxy_link.rb
130 def converted_value(model, key, value)
131   model.declared_properties.value_for_where(key, value)
132 end
for_arg(model, clause, arg, *args) click to toggle source
    # File lib/active_graph/node/query/query_proxy_link.rb
112 def for_arg(model, clause, arg, *args)
113   default = [Link.new(clause, arg, *args)]
114 
115   Link.for_clause(clause, arg, model, *args) || default
116 end
for_args(model, clause, args, association = nil) click to toggle source
    # File lib/active_graph/node/query/query_proxy_link.rb
102 def for_args(model, clause, args, association = nil)
103   if [:where, :where_not].include?(clause) && args[0].is_a?(String) # Better way?
104     [for_arg(model, clause, args[0], *args[1..-1])]
105   elsif [:rel_where, :rel_where_not].include?(clause)
106     args.map { |arg| for_arg(model, clause, arg, association) }
107   else
108     args.map { |arg| for_arg(model, clause, arg) }
109   end
110 end
for_association(name, value, n_string, model) click to toggle source
   # File lib/active_graph/node/query/query_proxy_link.rb
69 def for_association(name, value, n_string, model)
70   neo_id = value.try(:neo_id) || value
71   fail ArgumentError, "Invalid value for '#{name}' condition" if not neo_id.is_a?(Integer)
72 
73   [
74     new(:match, ->(v, _) { "(#{v})#{model.associations[name].arrow_cypher}(#{n_string})" }),
75     new(:where, ->(_, _) { {"ID(#{n_string})" => neo_id.to_i} })
76   ]
77 end
for_clause(clause, arg, model, *args) click to toggle source
   # File lib/active_graph/node/query/query_proxy_link.rb
23 def for_clause(clause, arg, model, *args)
24   method_to_call = "for_#{clause}_clause"
25   return unless respond_to?(method_to_call)
26 
27   send(method_to_call, arg, model, *args)
28 end
for_node_where_clause(arg, model, *args)
Alias for: for_where_clause
for_order_clause(arg, model) click to toggle source
    # File lib/active_graph/node/query/query_proxy_link.rb
 98 def for_order_clause(arg, model)
 99   [new(:order, ->(v, _) { arg.is_a?(String) ? arg : {v => converted_keys(model, arg)} })]
100 end
for_rel_order_clause(arg, _) click to toggle source
   # File lib/active_graph/node/query/query_proxy_link.rb
94 def for_rel_order_clause(arg, _)
95   [new(:order, ->(_, v) { arg.is_a?(String) ? arg : {v => arg} })]
96 end
for_rel_where_clause(arg, _, association) click to toggle source

We don't accept strings here. If you want to use a string, just use where.

   # File lib/active_graph/node/query/query_proxy_link.rb
80 def for_rel_where_clause(arg, _, association)
81   arg.each_with_object([]) do |(key, value), result|
82     rel_class = association.relationship_class if association.relationship_class
83     val =  rel_class ? converted_value(rel_class, key, value) : value
84     result << new(:where, ->(_, rel_var) { {rel_var => {key => val}} })
85   end
86 end
for_rel_where_not_clause(*args) click to toggle source
   # File lib/active_graph/node/query/query_proxy_link.rb
88 def for_rel_where_not_clause(*args)
89   for_rel_where_clause(*args).each do |link|
90     link.instance_variable_set('@clause', :where_not)
91   end
92 end
for_where_clause(arg, model, *args) click to toggle source
   # File lib/active_graph/node/query/query_proxy_link.rb
30 def for_where_clause(arg, model, *args)
31   node_num = 1
32   result = []
33   if arg.is_a?(Hash)
34     arg.each do |key, value|
35       if model && model.association?(key)
36         result += for_association(key, value, "n#{node_num}", model)
37         node_num += 1
38       else
39         result << new_for_key_and_value(model, key, value)
40       end
41     end
42   elsif arg.is_a?(String)
43     result << new(:where, arg, args)
44   end
45   result
46 end
Also aliased as: for_node_where_clause
for_where_not_clause(*args) click to toggle source
   # File lib/active_graph/node/query/query_proxy_link.rb
49 def for_where_not_clause(*args)
50   for_where_clause(*args).each do |link|
51     link.instance_variable_set('@clause', :where_not)
52   end
53 end
new(clause, arg, args = []) click to toggle source
   # File lib/active_graph/node/query/query_proxy_link.rb
 8 def initialize(clause, arg, args = [])
 9   @clause = clause
10   @arg = arg
11   @args = args
12 end
new_for_key_and_value(model, key, value) click to toggle source
   # File lib/active_graph/node/query/query_proxy_link.rb
55 def new_for_key_and_value(model, key, value)
56   key = converted_key(model, key)
57 
58   val = if !model
59           value
60         elsif key == model.id_property_name && value.is_a?(ActiveGraph::Node)
61           value.id
62         else
63           converted_value(model, key, value)
64         end
65 
66   new(:where, ->(v, _) { {v => {key => val}} })
67 end

Public Instance Methods

args(var, rel_var) click to toggle source
   # File lib/active_graph/node/query/query_proxy_link.rb
14 def args(var, rel_var)
15   if @arg.respond_to?(:call)
16     @arg.call(var, rel_var)
17   else
18     [@arg] + @args
19   end
20 end