Class: Inventory::InvCheckerHungryHubService::DataStore

Inherits:
Object
  • Object
show all
Includes:
Helper
Defined in:
app/services/inventory/inv_checker_hungry_hub_service/data_store.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helper

#cache_key_hash_by_restaurant, #cache_key_hash_by_restaurant_package, #clear_restaurant_cache_by_dates, #clear_restaurant_package_cache, #fetch, #fetch_from_local_cache, #inv_redis_pool, #inv_redis_pool_replica, #inventories_start_times, #invert_slugs_by_start_times, #namespace_default, #namespace_raw

Constructor Details

#initialize(restaurant_id, time_zone) ⇒ DataStore

Returns a new instance of DataStore.



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# File 'app/services/inventory/inv_checker_hungry_hub_service/data_store.rb', line 6

def initialize(restaurant_id, time_zone)
  @restaurant_id = restaurant_id
  @time_zone = time_zone
end

Instance Attribute Details

#restaurant_id ⇒ Object (readonly)

Returns the value of attribute restaurant_id.



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# File 'app/services/inventory/inv_checker_hungry_hub_service/data_store.rb', line 4

def restaurant_id
  @restaurant_id
end

#time_zone ⇒ Object (readonly)

Returns the value of attribute time_zone.



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# File 'app/services/inventory/inv_checker_hungry_hub_service/data_store.rb', line 4

def time_zone
  @time_zone
end

Instance Method Details

#fetch_mapped_hmget(namespace, hash_keys, default_value: []) { ... } ⇒ Object

Returns hash.

Parameters:

  • namespace —

    String

  • hash_keys —

    Array

Yields:

  • Hash

Returns:

  • hash



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# File 'app/services/inventory/inv_checker_hungry_hub_service/data_store.rb', line 15

def fetch_mapped_hmget(namespace, hash_keys, default_value: [])
  return {} if hash_keys.blank?

  namespace = "#{namespace}:by_hmset"

  data = inv_redis_pool_replica.with { |conn| conn.mapped_hmget(namespace, *hash_keys) }

  existing_data = {}
  missing_data = {}
  data.each do |key, value|
    if value.nil?
      missing_data[key] = default_value.dup
    else
      existing_data[key] = if value.is_a?(String)
                             parse_data(value)
                           else
                             value
                           end
    end
  end

  return existing_data if existing_data.keys.count == hash_keys.count

  if existing_data.present?
    missing_data.each do |k, _v|
      missing_data.delete(k) if existing_data.key?(k)
    end
  end

  # it means all expected keys already exist
  return existing_data if missing_data.blank?

  yield missing_data if block_given?

  result = missing_data.merge(existing_data)
  missing_data.each do |key, value|
    missing_data[key] = dump_data(value)
  end
  if missing_data.present?
    inv_redis_pool.with do |redis|
      redis.mapped_hmset(namespace, missing_data)
    end
  end
  result
end

#mapped_hmset(namespace, _hash_keys, date = nil) {|data| ... } ⇒ Object

Yields:

  • (data) 


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# File 'app/services/inventory/inv_checker_hungry_hub_service/data_store.rb', line 61

def mapped_hmset(namespace, _hash_keys, date = nil)
  namespace = "#{namespace}:by_hmset"

  data = {}

  yield(data) if block_given?

  if data.present?
    data.each do |key, value|
      data[key] = dump_data(value)
    end

    inv_redis_pool.with do |redis|
      redis.mapped_hmset(namespace, data)

      # OPTIMIZATION: Set TTL for dated keys to prevent accumulation
      # Keys expire at midnight after the specified date
      if date.present?
        expire_at = (date.to_date + 1.day).end_of_day
        ttl_seconds = (expire_at - Time.current).to_i
        redis.expire(namespace, ttl_seconds) if ttl_seconds > 0
      end
    end
  end
  data
end