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87 lines
3 KiB
Ruby
87 lines
3 KiB
Ruby
class MatchProposal < ActiveRecord::Base
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STATUS_PENDING = 0
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STATUS_REVOKED = 1
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STATUS_REJECTED = 2
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STATUS_CONFIRMED = 3
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STATUS_DELAYED = 4
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# latest time before a match to be confirmed/rejected (in minutes)
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CONFIRMATION_LIMIT = 30
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belongs_to :match
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belongs_to :team
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#has_many :confirmed_by, class_name: 'Team', uniq: true
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attr_accessible :proposed_time, :status
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validates_presence_of :match, :team, :proposed_time
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scope :of_match, ->(match) { where('match_id = ?', match.id) }
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scope :confirmed_for_match, ->(match) { where('match_id = ? AND status = ?', match.id, STATUS_CONFIRMED) }
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scope :confirmed_upcoming, ->{ where('status = ? AND proposed_time > UTC_TIMESTAMP()', STATUS_CONFIRMED) }
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scope :confirmed_for_contest,
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->(contest){ includes(:match).where(matches:{contest_id: contest.id}, status: STATUS_CONFIRMED).all}
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def self.status_strings
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{STATUS_PENDING => 'Pending',
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STATUS_REVOKED => 'Revoked',
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STATUS_REJECTED => 'Rejected',
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STATUS_CONFIRMED => 'Confirmed',
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STATUS_DELAYED => 'Delayed'}
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end
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def can_create? cuser
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return false unless cuser && match
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return true if cuser.admin?
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match.can_make_proposal?(cuser)
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end
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def can_update? cuser, params = {}
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return false unless cuser && match && (cuser.admin? || match.can_make_proposal?(cuser))
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if params.key?(:status) && (self.status !=(new_status = params[:status].to_i))
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return status_change_allowed?(cuser,new_status)
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end
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true
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end
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def can_destroy?
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cuser && cuser.admin?
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end
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def state_immutable?
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status == STATUS_REJECTED ||
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status == STATUS_DELAYED ||
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status == STATUS_REVOKED
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end
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def status_change_allowed?(cuser, new_status)
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case new_status
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when STATUS_PENDING
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# never go back to pending
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return false
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when STATUS_DELAYED
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# only confirmed matches can be set to delayed
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# only admins can set matches to delayed and only if they are not playing in that match
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# matches can only be delayed if they are not to far in the future
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return self.status == STATUS_CONFIRMED && cuser.admin? &&
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!self.match.user_in_match?(cuser) && self.proposed_time <= CONFIRMATION_LIMIT.minutes.from_now
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when STATUS_REVOKED
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# unconfirmed can only be revoked by team making the proposal
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# confirmed can only be revoked if soon enough before match time
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return self.status == STATUS_PENDING && self.team == cuser.team ||
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self.status == STATUS_CONFIRMED && self.proposed_time > CONFIRMATION_LIMIT.minutes.from_now
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when STATUS_CONFIRMED, STATUS_REJECTED
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# only team proposed to can reject or confirm and only if soon enough before match time
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status_ok = self.status == STATUS_PENDING
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team_ok = self.team != cuser.team
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time_ok = CONFIRMATION_LIMIT.minutes.from_now < self.proposed_time
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return status_ok && team_ok && time_ok
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else
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# invalid status
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return false
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end
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end
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end
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