Class: Super::Schema::Guesser
- Inherits:
-
Object
- Object
- Super::Schema::Guesser
- Defined in:
- lib/super/schema/guesser.rb
Instance Method Summary collapse
- #assign_type(&block) ⇒ Object
- #call ⇒ Object
- #ignore_foreign_keys ⇒ Object
-
#initialize(model:, fields:, type:) ⇒ Guesser
constructor
A new instance of Guesser.
- #limit ⇒ Object
- #reject(&block) ⇒ Object
Constructor Details
#initialize(model:, fields:, type:) ⇒ Guesser
Returns a new instance of Guesser.
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# File 'lib/super/schema/guesser.rb', line 6 def initialize(model:, fields:, type:) @model = model @fields = fields @type = type @rejects = [] end |
Instance Method Details
#assign_type(&block) ⇒ Object
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# File 'lib/super/schema/guesser.rb', line 28 def assign_type(&block) @assign_type = block self end |
#call ⇒ Object
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# File 'lib/super/schema/guesser.rb', line 33 def call result = sorted_attribute_names result = @rejects.reduce(result) do |intermediary_result, rejection_proc| intermediary_result.reject(&rejection_proc) end result = result.first(@limit) if @limit && @limit != Float::INFINITY result.each do |name| @fields[name] = @assign_type.call(name) end end |
#ignore_foreign_keys ⇒ Object
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# File 'lib/super/schema/guesser.rb', line 23 def ignore_foreign_keys @rejects.push(-> (attribute_name) { is_foreign_key[attribute_name] }) self end |
#limit ⇒ Object
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# File 'lib/super/schema/guesser.rb', line 13 def limit @limit = yield self end |
#reject(&block) ⇒ Object
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# File 'lib/super/schema/guesser.rb', line 18 def reject(&block) @rejects.push(block) self end |