35 lines
1.1 KiB
Ruby
35 lines
1.1 KiB
Ruby
# frozen_string_literal: true
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class ProxyExercisePolicy < AdminOrAuthorPolicy
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def batch_update?
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admin?
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end
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def show?
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admin? || teacher_in_study_group? || (teacher? && @record.public?) || author?
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end
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%i[clone? destroy? edit? update?].each do |action|
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define_method(action) { admin? || author? }
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end
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class Scope < Scope
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def resolve
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if @user.admin?
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@scope.all
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elsif @user.teacher?
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@scope.distinct
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.joins('LEFT OUTER JOIN study_group_memberships ON proxy_exercises.user_type = study_group_memberships.user_type AND proxy_exercises.user_id = study_group_memberships.user_id')
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# The proxy_exercise's author is a teacher in the study group
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.where(study_group_memberships: {role: StudyGroupMembership.roles[:teacher]})
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# The current user is a teacher in the *same* study group
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.where(study_group_memberships: {study_group_id: @user.study_group_memberships.where(role: :teacher).select(:study_group_id)})
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.or(@scope.distinct.where(user: @user))
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.or(@scope.distinct.where(public: true))
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else
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@scope.none
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end
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end
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end
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end
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