Module: ConvenientScopes
Defined Under Namespace
Modules: ScopeDefinitions
Classes: InvalidScopes
Constant Summary
ScopeDefinitions::ORDERING_SCOPE_DEFINITIONS, ScopeDefinitions::SCOPE_DEFINITIONS, ScopeDefinitions::SCOPE_WITHOUT_VALUE_DEFINITIONS
Instance Method Summary
collapse
#boolean_column_scopes, #equals_scope, #ordering_scopes, #scopes_with_value, #scopes_without_value
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(name, *args, &block) ⇒ Object
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# File 'lib/convenient_scopes.rb', line 3
def method_missing(name, *args, &block)
if scope_data = (define_scope name)
scope name, convert_to_scope_arg(scope_data)
send name, *args, &block
else
super
end
end
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Instance Method Details
#ar_relation_methods?(name) ⇒ Boolean
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# File 'lib/convenient_scopes.rb', line 30
def ar_relation_methods? name
(ActiveRecord::Relation::MULTI_VALUE_METHODS + ActiveRecord::Relation::SINGLE_VALUE_METHODS +
ActiveRecord::Relation::ASSOCIATION_METHODS).include? name
end
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#define_scope(name) ⇒ Object
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# File 'lib/convenient_scopes.rb', line 12
def define_scope name
(ScopeDefinitions.instance_methods.inject nil do |memo, scope_type|
memo ||= send scope_type.to_sym, name
end) || (association_scope name)
end
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#determine_order_scope_data(name, direction) ⇒ Object
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# File 'lib/convenient_scopes.rb', line 35
def determine_order_scope_data name, direction
if column_names.include? name.to_s
unscoped.order("#{quoted_table_name}.#{name} #{direction}")
elsif assoc = (possible_association_for_scope name)
next_scope = name, assoc
scope_arg = assoc.klass.determine_order_scope_data next_scope, direction
scope_arg.is_a?(Array) ? [assoc.name] + scope_arg : [assoc.name, scope_arg] if scope_arg
end
end
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#search(search_scopes) ⇒ Object
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# File 'lib/convenient_scopes.rb', line 18
def search search_scopes
res = scoped
search_scopes.each do |name, args|
if scopes.keys.include?(name.to_sym) || ar_relation_methods?(name) || !respond_to?(name)
res = res.send name, args unless args == false
else
raise InvalidScopes
end
end
res
end
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