993 lines
38 KiB
Ruby
993 lines
38 KiB
Ruby
require 'iso-639'
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module JamRuby
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class MusicSession < ActiveRecord::Base
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include HtmlSanitize
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html_sanitize strict: [:name, :description]
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@@log = Logging.logger[MusicSession]
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NO_RECURRING = 'once'
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RECURRING_WEEKLY = 'weekly'
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RECURRING_MODES = [NO_RECURRING, RECURRING_WEEKLY]
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UNSTARTED_INTERVAL_DAYS_SKIP = '14' # days past scheduled start to skip in query
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UNSTARTED_INTERVAL_DAYS_PURGE = '28' # days past scheduled start to purge session
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UNSTARTED_INTERVAL_DAYS_PURGE_RECUR = '28' # days past scheduled start to purge recurddingsession
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CREATE_TYPE_START_SCHEDULED = 'start-scheduled'
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CREATE_TYPE_SCHEDULE_FUTURE = 'schedule-future'
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CREATE_TYPE_RSVP = 'rsvp'
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CREATE_TYPE_IMMEDIATE = 'immediately'
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CREATE_TYPE_QUICK_START = 'quick-start'
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attr_accessor :legal_terms, :language_description, :access_description, :scheduling_info_changed
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attr_accessor :approved_rsvps, :open_slots, :pending_invitations
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self.table_name = "music_sessions"
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self.primary_key = 'id'
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belongs_to :creator,:class_name => 'JamRuby::User', :foreign_key => :user_id, :inverse_of => :music_session_histories
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belongs_to :band, :class_name => 'JamRuby::Band', :foreign_key => :band_id, :inverse_of => :music_sessions
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belongs_to :active_music_session, :class_name => 'JamRuby::ActiveMusicSession', foreign_key: :music_session_id
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has_many :music_session_user_histories, :class_name => "JamRuby::MusicSessionUserHistory", :foreign_key => "music_session_id", :dependent => :delete_all
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has_many :comments, :class_name => "JamRuby::MusicSessionComment", :foreign_key => "music_session_id"
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has_many :session_info_comments, :class_name => "JamRuby::SessionInfoComment", :foreign_key => "music_session_id"
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has_many :likes, :class_name => "JamRuby::MusicSessionLiker", :foreign_key => "session_id"
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has_many :plays, :class_name => "JamRuby::PlayablePlay", :as => :playable, :dependent => :destroy
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has_one :share_token, :class_name => "JamRuby::ShareToken", :inverse_of => :shareable, :foreign_key => 'shareable_id'
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has_one :feed, :class_name => "JamRuby::Feed", :inverse_of => :music_session, :foreign_key => 'music_session_id', :dependent => :destroy
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belongs_to :genre, :class_name => "JamRuby::Genre", :inverse_of => :music_sessions, :foreign_key => 'genre_id'
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has_many :join_requests, :foreign_key => "music_session_id", :inverse_of => :music_session, :class_name => "JamRuby::JoinRequest", :foreign_key => "music_session_id"
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has_many :invitations, :foreign_key => "music_session_id", :inverse_of => :music_session, :class_name => "JamRuby::Invitation", :foreign_key => "music_session_id"
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has_many :invited_musicians, :through => :invitations, :class_name => "JamRuby::User", :foreign_key => "receiver_id", :source => :receiver
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has_many :fan_invitations, :foreign_key => "music_session_id", :inverse_of => :music_session, :class_name => "JamRuby::FanInvitation", :foreign_key => "music_session_id"
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has_many :invited_fans, :through => :fan_invitations, :class_name => "JamRuby::User", :foreign_key => "receiver_id", :source => :receiver
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has_many :rsvp_slots, :class_name => "JamRuby::RsvpSlot", :foreign_key => "music_session_id", :dependent => :destroy
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has_many :music_notations, :class_name => "JamRuby::MusicNotation", :foreign_key => "music_session_id"
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validates :genre, :presence => true
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validates :description, :presence => true, :no_profanity => true
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validates :fan_chat, :inclusion => {:in => [true, false]}
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validates :fan_access, :inclusion => {:in => [true, false]}
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validates :approval_required, :inclusion => {:in => [true, false]}
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validates :musician_access, :inclusion => {:in => [true, false]}
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validates :is_unstructured_rsvp, :inclusion => {:in => [true, false]}
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validates :legal_terms, :inclusion => {:in => [true]}, :on => :create
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validates :creator, :presence => true
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validates :timezone, presence: true, if: Proc.new { |session| session.scheduled_start }
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validates :scheduled_duration, presence: true, if: Proc.new { |session| session.scheduled_start }
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validate :creator_is_musician
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validate :validate_timezone
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before_create :generate_share_token
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#before_save :update_scheduled_start
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before_save :check_scheduling_info_changed
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SHARE_TOKEN_LENGTH = 8
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SEPARATOR = '|'
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def check_scheduling_info_changed
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@scheduling_info_changed = scheduled_start_changed?
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true
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end
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def update_scheduled_start
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# it's very important that this only run if timezone changes, or scheduled_start changes
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if self.scheduled_start && (self.scheduled_start_changed? || self.timezone_changed?)
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self.scheduled_start = MusicSession.parse_scheduled_start(self.scheduled_start, self.timezone)
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end
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end
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def comment_count
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self.comments.size
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end
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# copies all relevant info for the recurring session
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def copy
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MusicSession.transaction do
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# copy base music_session data
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new_session = MusicSession.new
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new_session.description = self.description
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new_session.user_id = self.user_id
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new_session.band_id = self.band_id
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new_session.fan_access = self.fan_access
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new_session.scheduled_start = self.scheduled_start + 1.week
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new_session.scheduled_duration = self.scheduled_duration
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new_session.musician_access = self.musician_access
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new_session.approval_required = self.approval_required
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new_session.fan_chat = self.fan_chat
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new_session.genre_id = self.genre_id
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new_session.legal_policy = self.legal_policy
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new_session.language = self.language
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new_session.name = self.name
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new_session.recurring_mode = self.recurring_mode
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new_session.timezone = self.timezone
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new_session.open_rsvps = self.open_rsvps
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new_session.is_unstructured_rsvp = self.is_unstructured_rsvp
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new_session.legal_terms = true
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# copy rsvp_slots, rsvp_requests, and rsvp_requests_rsvp_slots
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RsvpSlot.find_each(:conditions => "music_session_id = '#{self.id}'") do |slot|
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new_slot = RsvpSlot.new
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new_slot.instrument_id = slot.instrument_id
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new_slot.proficiency_level = slot.proficiency_level
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new_slot.is_unstructured_rsvp = slot.is_unstructured_rsvp
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new_session.rsvp_slots << new_slot
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# get the request for this slot that was approved (should only be ONE)
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rsvp_request_slot = RsvpRequestRsvpSlot.where("chosen = true AND rsvp_slot_id = ?", slot.id).first
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unless rsvp_request_slot.nil?
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rsvp = RsvpRequest.find_by_id(rsvp_request_slot.rsvp_request_id)
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new_rsvp = RsvpRequest.new
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new_rsvp.user_id = rsvp.user_id
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new_rsvp_req_slot = RsvpRequestRsvpSlot.new
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new_rsvp_req_slot.rsvp_request = new_rsvp
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new_rsvp_req_slot.rsvp_slot = new_slot
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new_rsvp_req_slot.chosen = true
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# .last => new_slot above
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new_session.rsvp_slots.last.rsvp_requests_rsvp_slots << new_rsvp_req_slot
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# if this slot was not chosen, try to get any RSVPs that were 1-time cancellations and copy those
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else
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rejected_req_slots = RsvpRequestRsvpSlot.where("(chosen is null OR chosen = FALSE) AND rsvp_slot_id = ?", slot.id).order("created_at ASC")
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rejected_req_slots.each do |req_slot|
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# get RsvpRequest corresponding to this RsvpRequestRsvpSlot
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rsvp = RsvpRequest.find_by_id(req_slot.rsvp_request_id)
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# if the RSVP was canceled (but all future sessions were NOT canceled), then copy this one and break
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if rsvp.canceled && !rsvp.cancel_all
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new_rsvp = RsvpRequest.new
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new_rsvp.user_id = rsvp.user_id
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new_rsvp_req_slot = RsvpRequestRsvpSlot.new
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new_rsvp_req_slot.rsvp_request = new_rsvp
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new_rsvp_req_slot.rsvp_slot = new_slot
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new_rsvp_req_slot.chosen = nil
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# .last => new_slot above
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new_session.rsvp_slots.last.rsvp_requests_rsvp_slots << new_rsvp_req_slot
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end
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end
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end
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end
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# copy music_notations
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MusicNotation.find_each(:conditions => "music_session_id = '#{self.id}'") do |notation|
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new_notation = MusicNotation.new
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new_notation.user_id = notation.user_id
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new_notation.music_session = new_session
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new_notation.file_url = notation.file_url
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new_notation.file_name = notation.file_name
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new_notation.size = notation.size
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new_session.music_notations << new_notation
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end
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new_session.save!
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# mark the next session as scheduled
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self.next_session_scheduled = true
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self.save
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return new_session
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end
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end
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def grouped_tracks
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tracks = []
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self.music_session_user_histories.each do |msuh|
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user = User.find(msuh.user_id)
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# see if user already exists in array
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t = tracks.select { |track| track.musician.id == user.id }.first
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if t.blank?
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t = Track.new
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t.musician = user
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t.instrument_ids = []
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# this treats each track as a "user", which has 1 or more instruments in the session
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unless msuh.instruments.blank?
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instruments = msuh.instruments.split(SEPARATOR)
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instruments.each do |instrument|
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if !t.instrument_ids.include? instrument
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t.instrument_ids << instrument
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end
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end
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end
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tracks << t
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# this handles case where user is duplicated in MSUH for the same session
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else
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unless msuh.instruments.blank?
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instruments = msuh.instruments.split(SEPARATOR)
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instruments.each do |instrument|
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if !t.instrument_ids.include? instrument
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t.instrument_ids << instrument
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end
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end
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end
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end
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end
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tracks
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end
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def can_join? user, as_musician
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if as_musician
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unless user.musician
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return false # "a fan can not join a music session as a musician"
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end
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if self.musician_access
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if self.approval_required
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return self.invited_musicians.exists?(user) || self.approved_rsvps.include?(user)
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else
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return true
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end
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else
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# the creator can always join, and the invited users can join
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return self.creator == user || self.invited_musicians.exists?(user) || self.approved_rsvps.include?(user)
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end
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else
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# it's a fan, and the only way a fan can join is if fan_access is true
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self.fan_access
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end
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end
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def can_see? user
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if self.musician_access || self.fan_access
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true
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else
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self.creator == user || self.invited_musicians.exists?(user)
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end
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end
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def self.index(current_user, user_id, band_id = nil, genre = nil)
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hide_private = false
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if current_user.id != user_id
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hide_private = false # TODO: change to true once public flag exists
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end
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query = MusicSession
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.joins(
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%Q{
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LEFT OUTER JOIN
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music_sessions_user_history
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ON
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music_sessions.id = music_sessions_user_history.music_session_id
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}
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)
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.where(
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%Q{
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music_sessions.user_id = '#{user_id}'
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}
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)
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#query = query.where("public = false") unless !hide_private
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query = query.where("music_sessions.band_id = '#{band_id}") unless band_id.nil?
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query = query.where("music_sessions.genres like '%#{genre}%'") unless genre.nil?
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return query
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end
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def self.scheduled user, only_public = false
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# keep unstarted sessions around for 12 hours after scheduled_start
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session_not_started = "(music_sessions.scheduled_start > NOW() - '12 hour'::INTERVAL AND music_sessions.started_at IS NULL)"
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# keep started sessions that are not finished yet
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session_started_not_finished = "(music_sessions.started_at IS NOT NULL AND music_sessions.session_removed_at IS NULL)"
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# let session be restarted for up to 2 hours after finishing
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session_finished = "(music_sessions.session_removed_at > NOW() - '2 hour'::INTERVAL)"
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query = MusicSession.where("music_sessions.canceled = FALSE")
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query = query.where('music_sessions.fan_access = TRUE or music_sessions.musician_access = TRUE') if only_public
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query = query.where("music_sessions.user_id = '#{user.id}'")
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query = query.where("music_sessions.scheduled_start IS NULL OR #{session_not_started} OR #{session_finished} OR #{session_started_not_finished}")
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query = query.where("music_sessions.create_type IS NULL OR music_sessions.create_type != '#{CREATE_TYPE_QUICK_START}'")
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query = query.order("music_sessions.scheduled_start ASC")
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query
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end
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# if only_approved is set, then only return sessions where the current user has been chosen
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def self.scheduled_rsvp(user, only_approved = false)
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filter_approved = only_approved ? 'AND rrrs.chosen = true' : ''
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MusicSession.where(%Q{music_sessions.canceled = FALSE AND
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(music_sessions.create_type is NULL OR music_sessions.create_type != '#{CREATE_TYPE_QUICK_START}') AND
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(music_sessions.scheduled_start is NULL OR music_sessions.scheduled_start > NOW() - '4 hour'::INTERVAL) AND
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music_sessions.id in (
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select distinct(rs.music_session_id)
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from rsvp_slots rs
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where rs.id in (
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select rrrs.rsvp_slot_id
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from rsvp_requests rr
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inner join rsvp_requests_rsvp_slots rrrs on rr.id = rrrs.rsvp_request_id
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where rr.user_id = '#{user.id}' #{filter_approved}
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)
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)}
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).order(:scheduled_start)
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end
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def self.create user, options
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band = Band.where(id: options[:band]).first if options[:band].present?
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ms = MusicSession.new
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ms.name = options[:name]
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ms.description = options[:description]
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ms.genre_id = (options[:genres].length > 0 ? options[:genres][0] : nil) if options[:genres]
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ms.musician_access = options[:musician_access]
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ms.approval_required = options[:approval_required]
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ms.fan_access = options[:fan_access]
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ms.fan_chat = options[:fan_chat]
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ms.band = band
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ms.legal_policy = options[:legal_policy]
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ms.language = options[:language]
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ms.scheduled_duration = options[:duration].to_i * 1.minutes if options[:duration]
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ms.recurring_mode = options[:recurring_mode] if options[:recurring_mode]
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ms.timezone = options[:timezone] if options[:timezone]
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ms.legal_terms = true
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ms.open_rsvps = options[:open_rsvps] if options[:open_rsvps]
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ms.creator = user
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ms.create_type = options[:create_type]
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ms.is_unstructured_rsvp = options[:isUnstructuredRsvp] if options[:isUnstructuredRsvp]
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ms.scheduled_start = parse_scheduled_start(options[:start], options[:timezone]) if options[:start] && options[:timezone]
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ms.save
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unless ms.errors.any?
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ms.reload
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rsvp_slot_ids = []
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self_rsvp_slot_ids = []
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options[:rsvp_slots].each do |rs|
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rsvp = RsvpSlot.new
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rsvp.instrument = Instrument.find(rs[:instrument_id])
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rsvp.proficiency_level = rs[:proficiency_level]
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rsvp.music_session = ms
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rsvp.save
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ms.rsvp_slots << rsvp
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if rs[:approve] == true
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self_rsvp_slot_ids.push rsvp.id
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else
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rsvp_slot_ids.push rsvp.id
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end
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end if options[:rsvp_slots]
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RsvpRequest.create({session_id: ms.id, rsvp_slots: self_rsvp_slot_ids, :autoapprove => true}, user)
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options[:invitations].each do |invite_id|
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invitation = Invitation.new
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receiver = User.find(invite_id)
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invitation.sender = user
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invitation.receiver = receiver
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invitation.music_session = ms
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invitation.save
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ms.invitations << invitation
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# send scheduled session notification or join session notification
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case ms.create_type
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when CREATE_TYPE_RSVP, CREATE_TYPE_SCHEDULE_FUTURE
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Notification.send_scheduled_session_invitation(ms, receiver)
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else
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Notification.send_session_invitation(receiver, user, ms.id)
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end
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end if options[:invitations]
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options[:music_notations].each do |notation|
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notation = MusicNotation.find(notation[:id])
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notation.music_session = ms
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notation.save
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ms.music_notations << notation
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end if options[:music_notations]
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ms.save
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end
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ms
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end
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def self.update user, options
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music_session = MusicSession.find(options[:id])
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if music_session.creator == current_user
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Notification.send_scheduled_session_cancelled music_session
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music_session.destroy
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respond_with responder: ApiResponder, :status => 204
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else
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render :json => { :message => ValidationMessages::PERMISSION_VALIDATION_ERROR }, :status => 404
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end
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end
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def unique_users
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User
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.joins(:music_session_user_histories)
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.group("users.id")
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.order("users.id")
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.where(%Q{ music_sessions_user_history.music_session_id = '#{id}'})
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end
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# returns one user history per user, with instruments all crammed together, and with total duration
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def unique_user_histories
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# only get the active users if the session is in progress
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user_filter = "music_sessions_user_history.session_removed_at is null" if self.session_removed_at.nil?
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MusicSessionUserHistory
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.joins(:user)
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.select("STRING_AGG(instruments, '|') AS total_instruments,
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SUM(date_part('epoch', COALESCE(music_sessions_user_history.session_removed_at, music_sessions_user_history.created_at) - music_sessions_user_history.created_at)) AS total_duration,
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music_sessions_user_history.user_id, music_sessions_user_history.music_session_id, users.first_name, users.last_name, users.photo_url")
|
|
.group("music_sessions_user_history.user_id, music_sessions_user_history.music_session_id, users.first_name, users.last_name, users.photo_url")
|
|
.order("music_sessions_user_history.user_id")
|
|
.where(%Q{ music_sessions_user_history.music_session_id = '#{id}'})
|
|
.where(user_filter)
|
|
end
|
|
|
|
def duration_minutes
|
|
end_time = self.session_removed_at || Time.now.utc
|
|
(end_time - self.created_at) / 60.0
|
|
end
|
|
|
|
def music_session_user_histories
|
|
@msuh ||= JamRuby::MusicSessionUserHistory
|
|
.where(:music_session_id => self.id)
|
|
.order('created_at DESC')
|
|
end
|
|
|
|
def comments
|
|
@comments ||= JamRuby::MusicSessionComment
|
|
.where(:music_session_id => self.id)
|
|
.order('created_at DESC')
|
|
end
|
|
|
|
def likes
|
|
@likes ||= JamRuby::MusicSessionLiker
|
|
.where(:music_session_id => self.music_session_id)
|
|
end
|
|
|
|
# these are 'users that are a part of this session'
|
|
# which means are currently in the music_session, or, rsvp'ed, or creator
|
|
def part_of_session? user
|
|
# XXX check RSVP'ed
|
|
user == self.creator || (active_music_session ? active_music_session.users.exists?(user) : false)
|
|
end
|
|
|
|
def is_over?
|
|
active_music_session.nil?
|
|
end
|
|
|
|
def has_mount?
|
|
!active_music_session.nil? && !active_music_session.mount.nil?
|
|
end
|
|
|
|
def can_cancel? user
|
|
self.creator == user
|
|
end
|
|
|
|
def legal_policy_url
|
|
# TODO: move to DB or config file or helper
|
|
case legal_policy.downcase
|
|
when "standard"
|
|
return "session-legal-policies/standard"
|
|
when "creative"
|
|
return "session-legal-policies/creativecommons"
|
|
when "offline"
|
|
return "session-legal-policies/offline"
|
|
when "jamtracks"
|
|
return "session-legal-policies/jamtracks"
|
|
else
|
|
return ""
|
|
end
|
|
end
|
|
|
|
def language_description
|
|
if self.language.blank?
|
|
self.language = "en"
|
|
end
|
|
|
|
iso639Details = ISO_639.find_by_code(self.language)
|
|
|
|
unless iso639Details.blank?
|
|
return iso639Details.english_name
|
|
else
|
|
return "English"
|
|
end
|
|
end
|
|
|
|
def scheduled_end_time
|
|
|
|
end
|
|
|
|
def timezone_id
|
|
MusicSession.split_timezone(timezone)[0]
|
|
end
|
|
|
|
def timezone_description
|
|
MusicSession.split_timezone(timezone)[1]
|
|
end
|
|
|
|
def musician_access_description
|
|
if self.musician_access && self.approval_required
|
|
"Musicians may join by approval"
|
|
elsif self.musician_access && !self.approval_required
|
|
"Musicians may join at will"
|
|
elsif !self.musician_access && !self.approval_required
|
|
"Only RSVP musicians may join"
|
|
end
|
|
end
|
|
|
|
def fan_access_description
|
|
if self.fan_access && self.fan_chat
|
|
"Fans may listen, chat with the band"
|
|
elsif self.fan_access && !self.fan_chat
|
|
"Fans may listen, chat with each other"
|
|
elsif !self.fan_access && !self.fan_chat
|
|
"Fans may not listen to session"
|
|
end
|
|
end
|
|
|
|
def access_description
|
|
"#{musician_access_description}. #{fan_access_description}."
|
|
end
|
|
|
|
# retrieve users that have approved RSVPs
|
|
def approved_rsvps
|
|
User.find_by_sql(%Q{select distinct ON(u.id) u.id, u.photo_url, u.first_name, u.last_name, u.last_jam_audio_latency, json_agg(ii.id) as instrument_ids, json_agg(ii.description) as instrument_descriptions, json_agg(rs.proficiency_level) as instrument_proficiencies, json_agg(rr.id) as rsvp_request_ids
|
|
from rsvp_slots rs
|
|
inner join rsvp_requests_rsvp_slots rrrs on rrrs.rsvp_slot_id = rs.id
|
|
inner join rsvp_requests rr on rrrs.rsvp_request_id = rr.id
|
|
left join instruments ii on ii.id = rs.instrument_id
|
|
inner join users u on u.id = rr.user_id
|
|
where rrrs.chosen = true AND rs.music_session_id = '#{self.id}' AND rr.canceled != TRUE
|
|
group by u.id order by u.id}
|
|
)
|
|
end
|
|
|
|
# get all slots for this session and perform a set difference with all chosen slots;
|
|
# this will return those that are not filled yet
|
|
# this method excludes rsvp_slots marked as 'is_unstructured_rsvp = true'
|
|
def open_slots
|
|
RsvpSlot.find_by_sql(%Q{select rs.*, ii.description
|
|
from rsvp_slots rs
|
|
inner join instruments ii on ii.id = rs.instrument_id
|
|
where rs.music_session_id = '#{self.id}'
|
|
and rs.is_unstructured_rsvp = false
|
|
except
|
|
select distinct rs.*, iii.description
|
|
from rsvp_slots rs
|
|
inner join instruments iii on iii.id = rs.instrument_id
|
|
inner join rsvp_requests_rsvp_slots rrrs on rrrs.rsvp_slot_id = rs.id
|
|
where rs.music_session_id = '#{self.id}'
|
|
and rrrs.chosen = true
|
|
}
|
|
)
|
|
end
|
|
|
|
# retrieve users that have invitations but have not submitted an RSVP request for this session
|
|
def pending_invitations
|
|
User.find_by_sql(%Q{select distinct u.id, u.email, u.photo_url, u.first_name, u.last_name
|
|
from users u
|
|
inner join invitations i on u.id = i.receiver_id
|
|
left join rsvp_requests rr on rr.user_id = i.receiver_id
|
|
where i.music_session_id = '#{self.id}'
|
|
and rr.user_id is null}
|
|
)
|
|
end
|
|
|
|
# retrieve pending RsvpRequests
|
|
def pending_rsvp_requests
|
|
RsvpRequest.index(self, nil, {status: 'pending'})
|
|
end
|
|
|
|
def recordings
|
|
Recording.where(music_session_id: self.id)
|
|
end
|
|
|
|
def end_history
|
|
self.update_attribute(:session_removed_at, Time.now)
|
|
|
|
|
|
# ensure all user histories are closed
|
|
music_session_user_histories.each do |music_session_user_history|
|
|
music_session_user_history.end_history
|
|
|
|
# then update any users that need their user progress updated
|
|
if music_session_user_history.duration_minutes > 15 && music_session_user_history.max_concurrent_connections >= 3
|
|
music_session_user_history.user.update_progression_field(:first_real_music_session_at)
|
|
end
|
|
end
|
|
|
|
end
|
|
|
|
def self.removed_music_session(session_id)
|
|
hist = self
|
|
.where(:id => session_id)
|
|
.limit(1)
|
|
.first
|
|
|
|
hist.end_history if hist
|
|
|
|
Notification.send_session_ended(session_id)
|
|
end
|
|
|
|
def remove_non_alpha_num(token)
|
|
token.gsub(/[^0-9A-Za-z]/, '')
|
|
end
|
|
|
|
def tag
|
|
nil unless has_attribute?(:tag)
|
|
a = read_attribute(:tag)
|
|
a.nil? ? nil : a.to_i
|
|
end
|
|
|
|
def latency
|
|
nil unless has_attribute?(:latency)
|
|
a = read_attribute(:latency)
|
|
a.nil? ? nil : a.to_i
|
|
end
|
|
|
|
|
|
# initialize the two temporary tables we use to drive sms_index and sms_users
|
|
def self.sms_init(current_user, options = {}, include_pending=false)
|
|
session_id = options[:session_id] || 'any'
|
|
|
|
my_locidispid = current_user.last_jam_locidispid
|
|
# 13 is an average audio gear value we use if they have not qualified any gear
|
|
my_audio_latency = current_user.last_jam_audio_latency || 13
|
|
locidispid_expr = my_locidispid ? "#{my_locidispid}::bigint" : '0::bigint' # Have to pass in zero; NULL fails silently in the stored proc
|
|
|
|
self.connection.execute("SELECT sms_index('#{current_user.id}'::varchar, #{locidispid_expr}, #{my_audio_latency}::integer, #{ActiveRecord::Base.connection.quote(session_id)}::varchar, #{include_pending}::boolean)").check
|
|
end
|
|
|
|
# Generate a list of music sessions (that are active) filtered by genre, language, keyword, and sorted
|
|
# (and tagged) by rsvp'd (1st), invited (2nd), and musician can join (3rd). within a group tagged the
|
|
# same, sorted by score. date seems irrelevant as these are active sessions. sms_init must be called
|
|
# first.
|
|
def self.sms_query(current_user, options = {})
|
|
client_id = options[:client_id]
|
|
genre = options[:genre]
|
|
lang = options[:lang]
|
|
keyword = options[:keyword]
|
|
offset = options[:offset]
|
|
limit = options[:limit]
|
|
day = options[:day]
|
|
timezone_offset = options[:timezone_offset]
|
|
|
|
query = MusicSession
|
|
.select('music_sessions.*')
|
|
|
|
# this is not really needed when sms_music_session_tmp is joined
|
|
# unless there is something specific we need out of active_music_sessions
|
|
# query = query.joins(
|
|
# %Q{
|
|
# INNER JOIN
|
|
# active_music_sessions
|
|
# ON
|
|
# active_music_sessions.id = music_sessions.id
|
|
# }
|
|
# )
|
|
# .select('1::integer as tag, 15::integer as latency')
|
|
|
|
# integrate sms_music_session_tmp into the processing
|
|
# then we can join sms_music_session_tmp and not join active_music_sessions
|
|
query = query.joins(
|
|
%Q{
|
|
INNER JOIN
|
|
sms_music_session_tmp
|
|
ON
|
|
sms_music_session_tmp.music_session_id = music_sessions.id
|
|
}
|
|
)
|
|
.select('sms_music_session_tmp.tag, sms_music_session_tmp.latency')
|
|
|
|
query = query.order(
|
|
%Q{
|
|
tag, latency, music_sessions.id
|
|
}
|
|
)
|
|
.group(
|
|
%Q{
|
|
tag, latency, music_sessions.id
|
|
}
|
|
)
|
|
|
|
# if not specified, default offset to 0
|
|
offset ||= 0
|
|
offset = offset.to_i
|
|
# if not specified, default limit to 20
|
|
limit ||= 20
|
|
limit = limit.to_i
|
|
|
|
query = query.offset(offset)
|
|
query = query.limit(limit)
|
|
query = query.where("music_sessions.create_type IS NULL OR (music_sessions.create_type != ? AND music_sessions.create_type != ?)", MusicSession::CREATE_TYPE_QUICK_START, MusicSession::CREATE_TYPE_IMMEDIATE)
|
|
query = query.where("music_sessions.genre_id = ?", genre) unless genre.blank?
|
|
query = query.where('music_sessions.language = ?', lang) unless lang.blank?
|
|
query = query.where("(description_tsv @@ to_tsquery('jamenglish', ?))", ActiveRecord::Base.connection.quote(keyword) + ':*') unless keyword.blank?
|
|
|
|
if !day.blank? && !timezone_offset.blank?
|
|
begin
|
|
day = Date.parse(day)
|
|
next_day = day + 1
|
|
timezone_offset = timezone_offset.to_i
|
|
if timezone_offset == 0
|
|
timezone_offset = '' # no offset to specify in this case
|
|
elsif timezone_offset > 0
|
|
timezone_offset = "+#{timezone_offset}"
|
|
end
|
|
query = query.where("scheduled_start BETWEEN TIMESTAMP WITH TIME ZONE '#{day} 00:00:00#{timezone_offset}'
|
|
AND TIMESTAMP WITH TIME ZONE '#{next_day} 00:00:00#{timezone_offset}'")
|
|
rescue Exception => e
|
|
# do nothing. bad date probably
|
|
@@log.warn("unable to parse day=#{day}, timezone_offset=#{timezone_offset}, e=#{e}")
|
|
end
|
|
else
|
|
sql =<<SQL
|
|
music_sessions.started_at IS NULL AND
|
|
(music_sessions.created_at > NOW() - interval '#{UNSTARTED_INTERVAL_DAYS_SKIP} days' OR
|
|
music_sessions.scheduled_start > NOW() - interval '#{UNSTARTED_INTERVAL_DAYS_SKIP} days')
|
|
SQL
|
|
query = query.where(sql)
|
|
end
|
|
return query
|
|
end
|
|
|
|
# returns the set of users in a music_sessions and the music_session they are in and their latency.
|
|
# sms_init must be called first.
|
|
# user.audio_latency / 2 , + other_user.audio_latency of them / 2, + network latency /2
|
|
def self.sms_users
|
|
return User.select('users.*, sms_users_tmp.music_session_id, sms_users_tmp.full_score, sms_users_tmp.audio_latency, sms_users_tmp.internet_score')
|
|
.joins(
|
|
%Q{
|
|
INNER JOIN
|
|
sms_users_tmp
|
|
ON
|
|
sms_users_tmp.user_id = users.id
|
|
}
|
|
)
|
|
.order('sms_users_tmp.music_session_id, sms_users_tmp.user_id')
|
|
end
|
|
|
|
# wrap me in a transaction!
|
|
# note that these queries must be actualized before the end of the transaction
|
|
# else the temporary tables created by sms_init will be gone.
|
|
def self.sms_index(current_user, params)
|
|
MusicSession.sms_init(current_user, params)
|
|
|
|
music_sessions = MusicSession.sms_query(current_user, params).all
|
|
|
|
music_session_users = MusicSession.sms_users.all
|
|
|
|
user_scores = {}
|
|
music_session_users.each do |user|
|
|
user_scores[user.id] = {full_score: user.full_score, audio_latency: user.audio_latency, internet_score: user.internet_score}
|
|
end
|
|
|
|
|
|
[music_sessions, user_scores]
|
|
end
|
|
|
|
# returns a single session, but populates any other user info with latency scores, so that show_history.rabl can do it's business
|
|
def self.session_with_scores(current_user, music_session_id, include_pending=false)
|
|
MusicSession.sms_init(current_user, {session_id: music_session_id}, include_pending)
|
|
|
|
music_session = MusicSession.find(music_session_id)
|
|
|
|
music_session_users = MusicSession.sms_users.all
|
|
|
|
user_scores = {}
|
|
music_session_users.each do |user|
|
|
user_scores[user.id] = {full_score: user.full_score, audio_latency: user.audio_latency, internet_score: user.internet_score}
|
|
end
|
|
|
|
[music_session, user_scores]
|
|
end
|
|
|
|
def self.upcoming_sessions
|
|
|
|
end
|
|
# converts the passed scheduled_start into the database timezone using the specified timezone offset.
|
|
# timezone comes in as TIMEZONE DISPLAY, TIMEZONE ID
|
|
def self.parse_scheduled_start(scheduled_start, timezone_param)
|
|
|
|
result = scheduled_start
|
|
|
|
tz_identifier = split_timezone(timezone_param)[0]
|
|
begin
|
|
timezone = ActiveSupport::TimeZone.new(tz_identifier)
|
|
rescue Exception => e
|
|
@@log.error("unable to find timezone=#{tz_identifier}, e=#{e}")
|
|
end
|
|
|
|
if timezone
|
|
begin
|
|
# first convert the time provided, and convert to the specified timezone (local_to_utc)
|
|
# then, convert that to the system timezone, under the ASSUMPTION that the database is configured to use the system timezone
|
|
# you can get into trouble if your dev database is not using the system timezone of the web machine
|
|
|
|
result = timezone.parse(scheduled_start)
|
|
rescue Exception => e
|
|
@@log.error("unable to convert #{scheduled_start} to #{timezone}, e=#{e}")
|
|
puts "unable to convert #{scheduled_start} to #{timezone}, e=#{e}"
|
|
end
|
|
end
|
|
|
|
result
|
|
end
|
|
|
|
def scheduled_start_date
|
|
if self.scheduled_start_time.blank?
|
|
""
|
|
else
|
|
self.scheduled_start.strftime "%a %e %B %Y"
|
|
end
|
|
end
|
|
|
|
def scheduled_start_time
|
|
if scheduled_start && scheduled_duration
|
|
start_time = scheduled_start
|
|
tz_identifier, tz_display = MusicSession.split_timezone(timezone)
|
|
begin
|
|
tz = TZInfo::Timezone.get(tz_identifier)
|
|
rescue Exception => e
|
|
@@log.error("unable to find timezone=#{tz_identifier}, e=#{e}")
|
|
end
|
|
|
|
if tz
|
|
begin
|
|
start_time = tz.utc_to_local(scheduled_start.utc)
|
|
rescue Exception => e
|
|
@@log.error("unable to convert #{scheduled_start} to #{tz}, e=#{e}")
|
|
puts "unable to convert #{e}"
|
|
end
|
|
end
|
|
|
|
start_time
|
|
else
|
|
""
|
|
end
|
|
end
|
|
|
|
# takes our stored timezone which is DISPLAY,ID and returns an array of the two values (id first, then description)
|
|
def self.split_timezone(tz)
|
|
result = [nil, nil]
|
|
if tz
|
|
index = tz.rindex(',')
|
|
if index
|
|
tz_display = tz[0, index]
|
|
tz_identifier = tz[(index + 1)..-1]
|
|
result = [tz_identifier, tz_display]
|
|
end
|
|
end
|
|
result
|
|
end
|
|
# should create a timestamp like:
|
|
#
|
|
# with_timezone = TRUE
|
|
# Tuesday, April 29, 8:00-9:00 PM TIMEZONE (where TIMEZONE is the TIMEZONE defined in the MusicSession when it was created)
|
|
#
|
|
# with_timezone = FALSE
|
|
# Thursday, July 10 - 10:00pm
|
|
# this should be in a helper
|
|
def pretty_scheduled_start(with_timezone)
|
|
|
|
if scheduled_start && scheduled_duration
|
|
start_time = scheduled_start
|
|
timezone_display = 'UTC'
|
|
tz_identifier, tz_display = MusicSession.split_timezone(timezone)
|
|
begin
|
|
tz = TZInfo::Timezone.get(tz_identifier)
|
|
rescue Exception => e
|
|
@@log.error("unable to find timezone=#{tz_identifier}, e=#{e}")
|
|
end
|
|
|
|
if tz
|
|
begin
|
|
start_time = tz.utc_to_local(scheduled_start.utc)
|
|
timezone_display = tz_display
|
|
rescue Exception => e
|
|
@@log.error("unable to convert #{scheduled_start} to #{tz}, e=#{e}")
|
|
puts "unable to convert #{e}"
|
|
end
|
|
end
|
|
|
|
duration = scheduled_duration
|
|
# you can put seconds into the scheduled_duration field, but once stored, it comes back out as a string
|
|
if scheduled_duration.class == String
|
|
begin
|
|
bits = scheduled_duration.split(':')
|
|
duration = bits[0].to_i.hours + bits[1].to_i.minutes + bits[2].to_i.seconds
|
|
rescue Exception => e
|
|
duration = 1.hours
|
|
@@log.error("unable to parse duration #{scheduled_duration}")
|
|
end
|
|
end
|
|
end_time = start_time + duration
|
|
if with_timezone
|
|
"#{start_time.strftime("%A, %B %e")}, #{start_time.strftime("%l:%M").strip}-#{end_time.strftime("%l:%M %p").strip} #{timezone_display}"
|
|
else
|
|
"#{start_time.strftime("%A, %B %e")} - #{start_time.strftime("%l:%M%P").strip}"
|
|
end
|
|
|
|
else
|
|
"Date and time TBD"
|
|
end
|
|
|
|
end
|
|
|
|
def self.purgeable_sessions
|
|
sessions = []
|
|
sql =<<SQL
|
|
(started_at IS NULL AND
|
|
(created_at <= NOW() - interval '#{UNSTARTED_INTERVAL_DAYS_PURGE} days' OR
|
|
scheduled_start <= NOW() - interval '#{UNSTARTED_INTERVAL_DAYS_PURGE} days'))
|
|
OR
|
|
(recurring_mode = '#{NO_RECURRING}' AND
|
|
scheduled_start <= NOW() - interval '#{UNSTARTED_INTERVAL_DAYS_PURGE} days')
|
|
OR
|
|
(recurring_mode = '#{RECURRING_WEEKLY}' AND
|
|
scheduled_start <= NOW() - interval '#{UNSTARTED_INTERVAL_DAYS_PURGE_RECUR} days')
|
|
SQL
|
|
self.where("started_at IS NULL").where(sql).find_each do |ms|
|
|
block_given? ? yield(ms) : sessions << ms
|
|
end
|
|
sessions
|
|
end
|
|
|
|
private
|
|
def generate_share_token
|
|
|
|
token = loop do
|
|
token = SecureRandom.urlsafe_base64(SHARE_TOKEN_LENGTH, false)
|
|
token = remove_non_alpha_num(token)
|
|
token.upcase!
|
|
break token unless ShareToken.exists?(token: token)
|
|
end
|
|
|
|
self.share_token = ShareToken.new
|
|
self.share_token.token = token
|
|
self.share_token.shareable_type = "session"
|
|
end
|
|
|
|
def creator_is_musician
|
|
unless creator && creator.musician?
|
|
errors.add(:creator, ValidationMessages::MUST_BE_A_MUSICIAN)
|
|
end
|
|
end
|
|
|
|
def validate_timezone
|
|
if timezone
|
|
index = timezone.rindex(',')
|
|
if index
|
|
tz_identifier = timezone[(index + 1)..-1]
|
|
begin
|
|
TZInfo::Timezone.get(tz_identifier)
|
|
rescue Exception => e
|
|
@@log.error("unable to find timezone=#{tz_identifier}, e=#{e}")
|
|
errors.add(:timezone, ValidationMessages::MUST_BE_KNOWN_TIMEZONE)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|