76 lines
2.5 KiB
Ruby
76 lines
2.5 KiB
Ruby
require 'active_record'
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module Carto
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class Overlay < ActiveRecord::Base
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# INFO: disable ActiveRecord inheritance column
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self.inheritance_column = :_type
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belongs_to :visualization
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serialize :options, JSON
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validates :type, presence: true
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validate :unique_overlay_not_duplicated
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validate :validate_user_not_viewer
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before_destroy :validate_user_not_viewer
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after_save :invalidate_cache
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after_destroy :invalidate_cache
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# There can be at most one of this types per visualization
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UNIQUE_TYPES = [
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'header', 'search', 'layer_selector', 'share', 'zoom', 'logo', 'loader', 'fullscreen'
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].freeze
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BUILDER_COMPATIBLE_TYPES = ['search', 'layer_selector', 'share', 'fullscreen', 'loader', 'logo', 'zoom'].freeze
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scope :builder_incompatible, -> { where("type NOT IN ('#{BUILDER_COMPATIBLE_TYPES.join("','")}')") }
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def hide
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options['display'] = false
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self
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end
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def show
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options['display'] = true
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self
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end
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def hidden?
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!options['display']
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end
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private
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def unique_overlay_not_duplicated
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# This check probably belongs in visualization. See #6919
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if UNIQUE_TYPES.include?(type)
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other_overlay = Carto::Overlay.where(visualization_id: visualization_id, type: type)
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other_overlay = other_overlay.where('id != ?', id) unless new_record?
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unless other_overlay.first.nil?
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errors.add(:base, "Unique overlay of type #{type} already exists")
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end
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end
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end
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def validate_user_not_viewer
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# TODO: `visualization` check is needed because the creation of default overlays for visualization
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# is yet done from the old models (Member). Member assigns the id (because it can't assign itself, as
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# it's not a `Carto::Visualization`), but since that happens in a transaction managed by Sequel
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# we can't get the `Carto::Visualization` here. When `Member` is gone the `visualization` check can
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# be removed, as an `Overlay` must have a `Visualization`.
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if visualization && visualization.user.viewer
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errors.add(:visualization, "Viewer users can't edit overlays")
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return false
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end
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end
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def invalidate_cache
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# Using `send` to avoid making it public. A future refactor should make this call unnecessary
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# Visualization might not exist during creation, as the overlays are created before the visualization
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visualization.try(:invalidate_after_commit)
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end
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end
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end
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