These are asking fundamentally different questions; Abilities are asking the application if the user has a role that allows the user to take a certain action Capabilities are asking if the user has granted the application to perform a certain type of action CanCanCan makes no distinction, however, so the `granted_capabilities` method is provided as a point that can be checked in rescue methods, so that one can _attempt_ to continue to provide the more informative error messages around permission refusals
51 lines
1.7 KiB
Ruby
51 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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class Ability
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include CanCan::Ability
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def initialize(user)
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can :index, :site
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can [:permalink, :edit, :help, :fixthemap, :offline, :export, :about, :preview, :copyright, :key, :id, :welcome], :site
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can [:list, :rss, :view, :comments], DiaryEntry
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can [:search, :search_latlon, :search_ca_postcode, :search_osm_nominatim,
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:search_geonames, :search_osm_nominatim_reverse, :search_geonames_reverse], :geocoder
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if user
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can :weclome, :site
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can [:create, :edit, :comment, :subscribe, :unsubscribe], DiaryEntry
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if user.administrator?
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can [:hide, :hidecomment], [DiaryEntry, DiaryComment]
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end
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end
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# Define abilities for the passed in user here. For example:
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#
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# user ||= User.new # guest user (not logged in)
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# if user.admin?
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# can :manage, :all
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# else
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# can :read, :all
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# end
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#
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# The first argument to `can` is the action you are giving the user
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# permission to do.
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# If you pass :manage it will apply to every action. Other common actions
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# here are :read, :create, :update and :destroy.
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#
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# The second argument is the resource the user can perform the action on.
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# If you pass :all it will apply to every resource. Otherwise pass a Ruby
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# class of the resource.
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#
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# The third argument is an optional hash of conditions to further filter the
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# objects.
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# For example, here the user can only update published articles.
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#
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# can :update, Article, :published => true
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#
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# See the wiki for details:
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# https://github.com/CanCanCommunity/cancancan/wiki/Defining-Abilities
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end
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end
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