Module: ReeDao::DatasetExtensions::InstanceMethods

Defined in:
lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb

Constant Summary collapse

PERSISTENCE_STATE_VARIABLE = 
:@persistence_state
IMPORT_BATCH_SIZE = 
1000

Instance Method Summary collapse

Instance Method Details

#all(mapper: nil) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 38

def all(mapper: nil)
  with_mapper(mapper).__original_all
end

#delete(hash_or_entity = nil) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 173

def delete(hash_or_entity = nil)
  return __original_delete if hash_or_entity.nil?
  return where(hash_or_entity).__original_delete if hash_or_entity.is_a?(Hash)

  key_condition = prepare_key_condition_from_entity(hash_or_entity)
  where(key_condition).__original_delete
end

#delete_all ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 42

def delete_all
  where({}).__original_delete
end

#find(id, mapper: nil) ⇒ Object

override methods



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 26

def find(id, mapper: nil)
  where(primary_key => id).first(mapper: mapper)
end

#first(mapper: nil) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 30

def first(mapper: nil)
  with_mapper(mapper).__original_first
end

#ids(ids_list) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 139

def ids(ids_list)
  where(id: ids_list)
end

#import_all(entities, batch_size: IMPORT_BATCH_SIZE) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 108

def import_all(entities, batch_size: IMPORT_BATCH_SIZE)
  return if entities.empty?

  columns = self.columns
  raw = {}

  columns.delete(:id)
  columns.delete(:row)

  data = entities.map do |entity|
    hash = dump_entity(entity)
    raw[entity] = hash

    columns.map { hash[_1] }
  end

  ids = import(
    columns, data, slice: batch_size, return: :primary_key
  )

  ids.each_with_index do |id, index|
    entity = entities[index]
    raw_data = raw[entity]

    set_entity_primary_key(entity, raw_data, id)
    set_persistence_state(entity, raw_data)
  end

  nil
end

#last(mapper: nil) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 34

def last(mapper: nil)
  with_mapper(mapper).reverse_order(:id).first
end

#naked_first ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 165

def naked_first
  __original_first
end

#naked_last ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 169

def naked_last
  __original_last
end

#persist(*args, set: nil) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 47

def persist(*args, set: nil)
  args.each do |arg|
    if arg.is_a?(ReeDto::DSL)
      put_or_update(arg, set: set)
    elsif arg.is_a?(ReeDto::DtoCollection) || arg.is_a?(Array) || arg.is_a?(Enumerable)
      arg.each { put_or_update(_1, set: set) }
    end
  end
end

#put(entity) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 71

def put(entity)
  raw = dump_entity(entity)

  remove_null_primary_key(raw)
  key = insert(raw)

  set_entity_primary_key(entity, raw, key)
  set_persistence_state(entity, raw)

  entity
end

#put_or_update(entity, set: nil) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 57

def put_or_update(entity, set: nil)
  if set
    set.each do |key, val|
      entity.send("#{key}=", val)
    end
  end

  if entity.id
    update(entity)
  else
    put(entity)
  end
end

#put_with_conflict(entity, conflict_opts = {}) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 83

def put_with_conflict(entity, conflict_opts = {})
  raw = opts[:schema_mapper].db_dump(entity)
  remove_null_primary_key(raw)

  if conflict_opts.key?(:update) && conflict_opts[:update].empty?
    conflict_opts.delete(:update)
  elsif conflict_opts[:update].is_a?(Array)
    update = {}

    conflict_opts[:update].each do |column|
      update[column] = raw[column]
    end

    conflict_opts[:update] = update
  end

  key = insert_conflict(conflict_opts).insert(raw)
  return if key.nil?

  set_entity_primary_key(entity, raw, key)
  set_persistence_state(entity, raw)

  where(primary_key => key).first
end

#update(hash_or_entity) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 143

def update(hash_or_entity)
  if !opts[:schema_mapper] || hash_or_entity.is_a?(Hash)
    return __original_update(hash_or_entity)
  end

  dump = dump_entity(hash_or_entity)
  raw = extract_changes(hash_or_entity, dump)

  if !raw.empty?
    key_condition = prepare_key_condition_from_entity(hash_or_entity)
    where(key_condition).__original_update(raw)

    if is_ree_dto?(hash_or_entity)
      hash_or_entity.reset_changes
    else
      update_persistence_state(hash_or_entity, raw)
    end
  end

  hash_or_entity
end

#with_lock ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 181

def with_lock
  for_update
end

#with_mapper(mapper) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_dao/package/ree_dao/dataset_extensions.rb', line 185

def with_mapper(mapper)
  clone(
    schema_mapper: mapper || opts[:schema_mapper],
  ).with_row_proc(
    Proc.new { |hash|
      m = mapper || opts[:schema_mapper]

      if m
        entity = m.db_load(hash)
        self.set_persistence_state(entity, hash)
        entity
      else
        hash
      end
    }
  )
end