today_ai_weather/app/models/city.rb
songtianlun 3203face6b feat: add country filter in city admin
- Introduce a new filter for selecting cities by country in the
  ActiveAdmin interface.
- Update the ransackable attributes to include country_id for
  searchable functionality.

This change enhances the Admin UI by allowing easier access to
city data based on country, improving the user experience for
administrators.
2025-01-25 00:54:23 +08:00

69 lines
1.7 KiB
Ruby

class City < ApplicationRecord
extend FriendlyId
friendly_id :slug_candidates, use: :slugged
belongs_to :country
has_many :weather_arts, dependent: :destroy
delegate :region, to: :country
validates :name, presence: true
validates :latitude, presence: true
validates :longitude, presence: true
delegate :region, to: :country
scope :by_region, ->(region_id) { joins(:country).where(countries: { region_id: region_id }) }
scope :by_country, ->(country_id) { where(country_id: country_id) }
scope :active, -> { where(active: true) }
def to_s
name
end
def slug_candidates
[
:name,
[ :country, :name ]
]
end
def localized_name
I18n.t("cities.#{name.parameterize.underscore}")
end
def full_name
"#{name}, #{country}"
end
def should_generate_new_friendly_id?
name_changed? || super
end
def self.ransackable_associations(auth_object = nil)
[ "weather_arts" ]
end
def self.ransackable_attributes(auth_object = nil)
[ "active", "country_id", "created_at", "id", "id_value", "last_image_generation", "last_weather_fetch", "latitude", "longitude", "name", "priority", "region", "slug", "timezone", "updated_at" ]
end
def last_weather_fetch
# latest_weather_art&.created_at
Rails.cache.fetch("city/#{id}/last_weather_fetch", expires_in: 1.hour) do
latest_weather_art&.created_at
end
end
def last_image_generation
# latest_weather_art&.image&.created_at
Rails.cache.fetch("city/#{id}/last_image_generation", expires_in: 1.hour) do
latest_weather_art&.image&.created_at
end
end
def latest_weather_art
weather_arts.order(weather_date: :desc).first
end
end