Class: TableSync::Model::Sequel

Inherits:
Object
  • Object
show all
Defined in:
lib/table_sync/model/sequel.rb

Instance Method Summary collapse

Constructor Details

#initialize(table_name) ⇒ Sequel

Returns a new instance of Sequel.



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# File 'lib/table_sync/model/sequel.rb', line 5

def initialize(table_name)
  @raw_model = Class.new(::Sequel::Model(table_name)).tap(&:unrestrict_primary_key)
end

Instance Method Details

#after_commit(&block) ⇒ Object 



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# File 'lib/table_sync/model/sequel.rb', line 48

def after_commit(&block)
  db.after_commit(&block)
end

#columns ⇒ Object 



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# File 'lib/table_sync/model/sequel.rb', line 9

def columns
  dataset.columns
end

#destroy(data) ⇒ Object 



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# File 'lib/table_sync/model/sequel.rb', line 40

def destroy(data)
  dataset.returning.where(data).delete
end

#primary_keys ⇒ Object 



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# File 'lib/table_sync/model/sequel.rb', line 13

def primary_keys
  [raw_model.primary_key].flatten
end

#transaction(&block) ⇒ Object 



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# File 'lib/table_sync/model/sequel.rb', line 44

def transaction(&block)
  db.transaction(&block)
end

#upsert(data:, target_keys:, version_key:, first_sync_time_key:, default_values:) ⇒ Object 



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# File 'lib/table_sync/model/sequel.rb', line 17

def upsert(data:, target_keys:, version_key:, first_sync_time_key:, default_values:)
  data = Array.wrap(data)
  qualified_version = ::Sequel.qualify(table_name, version_key)
  version_condition = ::Sequel.function(:coalesce, qualified_version, 0) <
                      ::Sequel.qualify(:excluded, version_key)

  upd_spec = update_spec(data.first.keys - target_keys)
  data.map! { |d| d.merge(default_values) }

  insert_data = type_cast(data)
  if first_sync_time_key
    insert_data.each { |datum| datum[first_sync_time_key] = Time.current }
  end

  dataset.returning
         .insert_conflict(
           target: target_keys,
           update: upd_spec,
           update_where: version_condition,
         )
         .multi_insert(insert_data)
end