53 lines
1.1 KiB
Ruby
53 lines
1.1 KiB
Ruby
class UserPromotion
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attr_reader :user, :promoter, :new_level
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def initialize(user, promoter, new_level)
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@user = user
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@promoter = promoter
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@new_level = new_level
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end
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def promote!
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user.level = new_level
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user.inviter_id = promoter.id
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validate
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create_transaction_log_item
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create_user_feedback
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user.save
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end
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private
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def validate
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# admins can do anything
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return if promoter.is_admin?
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# can't promote/demote moderators
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raise User::PrivilegeError if user.is_moderator?
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# can't promote to admin
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raise User::PrivilegeError if new_level.to_i >= User::Levels::ADMIN
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end
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def create_transaction_log_item
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TransactionLogItem.record_account_upgrade(user)
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end
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def create_user_feedback
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if user.level > user.level_was
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body_prefix = "Promoted"
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elsif user.level < user.level_was
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body_prefix = "Demoted"
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else
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body_prefix = "Updated"
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end
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user.feedback.create(
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:category => "neutral",
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:body => "#{body_prefix} by #{promoter.name} from #{user.level_string_was} to #{user.level_string}"
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)
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end
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end
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