63 lines
1.6 KiB
Ruby
63 lines
1.6 KiB
Ruby
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class AutoAssignment::InboxRoundRobinService
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pattr_initialize [:inbox!]
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# called on inbox delete
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def clear_queue
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::Redis::Alfred.delete(round_robin_key)
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end
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# called on inbox member create
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def add_agent_to_queue(user_id)
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::Redis::Alfred.lpush(round_robin_key, user_id)
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end
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# called on inbox member delete
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def remove_agent_from_queue(user_id)
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::Redis::Alfred.lrem(round_robin_key, user_id)
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end
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def reset_queue
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clear_queue
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add_agent_to_queue(inbox.inbox_members.map(&:user_id))
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end
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# end of queue management functions
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# allowed member ids = [assignable online agents supplied by the assignement service]
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# the values of allowed member ids should be in string format
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def available_agent(allowed_agent_ids: [])
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reset_queue unless validate_queue?
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user_id = get_member_from_allowed_agent_ids(allowed_agent_ids)
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inbox.inbox_members.find_by(user_id: user_id)&.user if user_id.present?
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end
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private
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def get_member_from_allowed_agent_ids(allowed_agent_ids)
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return nil if allowed_agent_ids.blank?
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user_id = queue.intersection(allowed_agent_ids).pop
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pop_push_to_queue(user_id)
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user_id
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end
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def pop_push_to_queue(user_id)
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return if user_id.blank?
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remove_agent_from_queue(user_id)
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add_agent_to_queue(user_id)
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end
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def validate_queue?
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return true if inbox.inbox_members.map(&:user_id).sort == queue.map(&:to_i).sort
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end
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def queue
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::Redis::Alfred.lrange(round_robin_key)
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end
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def round_robin_key
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format(::Redis::Alfred::ROUND_ROBIN_AGENTS, inbox_id: inbox.id)
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end
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end
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