Class: SportDb::CreateDb

Inherits:
ActiveRecord::Migration
  • Object
show all
Defined in:
lib/sportdb/schema.rb

Instance Method Summary collapse

Instance Method Details

#down ⇒ Object

method up

Raises:

  • (ActiveRecord::IrreversibleMigration) 


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# File 'lib/sportdb/schema.rb', line 263

def down
  raise ActiveRecord::IrreversibleMigration
end

#up ⇒ Object 



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# File 'lib/sportdb/schema.rb', line 6

def up

create_table :teams do |t|
  t.string  :key,   :null => false   # import/export key
  t.string  :title, :null => false
  t.string  :title2
  t.string  :code     # make it not null?  - three letter code (short title)
  t.string  :synonyms  # comma separated list of synonyms
  t.references :country,   :null => false
  t.references :city     # NB: city is optional (should be required for clubs e.g. non-national teams)
  t.boolean  :club,     :null => false, :default => false  # is it a club (not a national team)?
  
  ### fix: remove and add virtual attribute in model instead
  t.boolean  :national, :null => false, :default => false  # is it a national selection team (not a club)?
  t.timestamps
end

add_index :teams, :key, :unique => true


create_table :persons do |t|    # use people ? instead of persons (person/persons makes it easier?)
  t.string      :key,      :null => false   # import/export key
  t.string      :name,     :null => false
  t.string      :synonyms  # comma separated list of synonyms
  t.string      :code       # three letter code (short title)

  ## todo: add gender flag (male/female -man/lady  how?)
  t.date        :born_at     # optional date of birth (birthday)
  ## todo: add country of birth  might not be the same as nationality

  t.references  :city
  t.references  :region
  t.references  :country,   :null => false

  t.references  :nationality, :null => false  # by default assume same as country of birth (see above)

  t.timestamps
end

# join table: person+game(team1+team2+event(season+league))
create_table :goals do |t|
  t.references  :person,   :null => false
  t.references  :game,     :null => false
  t.integer   :minute
  t.integer   :offset    # e.g. 45' +3 or 90' +2
  t.integer   :score1
  t.integer   :score2
  
  ## type of goal (penalty, owngoal)
  t.boolean   :penalty,   :null => false, :default => false
  t.boolean   :owngoal,   :null => false, :default => false  # de: Eigentor -> # todo: find better name?

  t.timestamps
end


create_table :tracks do |t|    # e.g. Formula 1 circuits or Apline Ski resorts/slops/pistes
  t.string      :key,      :null => false   # import/export key
  t.string      :title,     :null => false
  t.string      :synonyms   # comma separated list of synonyms
  t.string      :code       # three letter code (short title)

  t.references  :city
  t.references  :region
  t.references  :country,   :null => false
  t.timestamps
end


# join table -> event(season+league)+track
create_table :races do |t|     # e.g. Formula 1 race (Grand Prix Monaco) or Alpine Ski race (Downhill Lake Louise)
  t.references :track,    :null => false
  t.references :event,    :null => false
  t.integer    :pos,      :null => false   # Race #1,#2,#3,#4 etc.

  ## todo: add auto-created key (for import/export) e.g.

  t.datetime   :start_at
  t.timestamps
end

create_table :runs do |t|
  t.references :race,     :null => false
  t.integer    :pos,      :null => false

  t.datetime   :start_at
  t.timestamps
end

# join table -> race+person or run+person
create_table :records do |t|   # use TimeRecord? instead of simple record
 t.references :race  # optional either race or run references
 t.references :run
 t.references :person,  :null => false
 t.integer    :pos      # 1,2,3, etc or 0
 t.boolean    :completed,  :null => false, :default => true    # completed race - find better name?
 t.string     :state   # find a better name? e.g. retired, e.g.
 t.string     :comment  #   find a better name ?  e.g.  collision damage (if ret) for formula 1
 t.time       :time
 t.string     :timeline   # e.g. + 0:45.343   or +1 lap
 t.integer    :laps      # laps counter for formula1

 t.timestamps
end


# join table -> person+team+event(season+league)
create_table :rosters do |t|   # use squads as an alternative name? why? why not??
  t.references :person,  :null => false
  t.references :team,    :null => false
  t.references :event      # make required?
  t.integer    :pos,      :null => false

  t.timestamps
end


create_table :events do |t|
  t.string      :key,      :null => false   # import/export key
  t.references  :league,   :null => false
  t.references  :season,   :null => false
  t.date        :start_at, :null => false    # NB: only use date (w/o time)
  t.date        :end_at   # make it required???  # NB: only use date (w/o time)
  t.boolean     :team3,    :null => false, :default => true   ## e.g. Champions League has no 3rd place (only 1st and 2nd/final)

  t.timestamps
end

add_index :events, :key, :unique => true 


create_table :rounds do |t|
  t.references :event,    :null => false
  t.string     :title,    :null => false
  t.string     :title2
  t.integer    :pos,      :null => false
  ## add new table stage/stages for grouping rounds in group rounds and playoff rounds, for example???
  ## # "regular" season (group) games or post-season (playoff) knockouts (k.o's)
  t.boolean    :knockout, :null => false, :default => false
  t.date   :start_at, :null => false     # NB: only use date (w/o time)
  t.date   :end_at    # todo: make it required e.g. :null => false    # NB: only use date (w/o time)

  t.timestamps
end

add_index :rounds, :event_id  # fk event_id index


create_table :groups do |t|     # Teamgruppe (zB Gruppe A, Gruppe B, etc.)
  t.references :event,    :null => false
  t.string     :title,    :null => false
  t.integer    :pos,      :null => false
  t.timestamps
end

add_index :groups, :event_id  # fk event_id index


create_table :games do |t|
  t.string     :key          # import/export key
  t.references :round,    :null => false
  t.integer    :pos,      :null => false
  t.references :group      # note: group is optional
  t.references :team1,    :null => false
  t.references :team2,    :null => false

  t.datetime   :play_at,   :null => false
  t.boolean    :postponed, :null => false, :default => false
  t.datetime   :play_at_v2   # optional old date (when postponed)
  t.datetime   :play_at_v3   # optional odl date (when postponed twice)

  t.boolean    :knockout, :null => false, :default => false
  t.boolean    :home,     :null => false, :default => true    # is team1 play at home (that is, at its home stadium)
  t.integer    :score1
  t.integer    :score2
  t.integer    :score1ot  # overtime - team 1 (opt)
  t.integer    :score2ot  # overtime - team 2 (opt)
  t.integer    :score1p   # penalty  - team 1 (opt)
  t.integer    :score2p   # penalty  - team 2 (opt) elfmeter (opt)
  t.integer    :score1i   # half time / first third (opt)
  t.integer    :score2i   # half time - team 2
  t.integer    :score1ii  # second third (opt)
  t.integer    :score2ii  # second third - team2 (opt)
  t.references :next_game  # for hinspiel bei rueckspiel in knockout game
  t.references :prev_game
  
  
  
  ### todo> find a better name (toto is not international/english?)
  ## rename to score12x or pt12x or result12x
  t.string     :toto12x      # 1,2,X,nil  calculate on save

  t.timestamps
end

add_index :games, :key, :unique => true 
add_index :games, :round_id      # fk round_id index
add_index :games, :group_id      # fk group_id index
add_index :games, :next_game_id  # fk next_game_id index
add_index :games, :prev_game_id  # fk next_game_id index



# todo: remove id from join table (without extra fields)? why?? why not??
create_table :events_teams do |t|
  t.references :event, :null => false
  t.references :team,  :null => false
  t.timestamps
end

add_index :events_teams, [:event_id,:team_id], :unique => true 
add_index :events_teams, :event_id


create_table :groups_teams do |t|
  t.references :group, :null => false
  t.references :team,  :null => false
  t.timestamps
end

add_index :groups_teams, [:group_id,:team_id], :unique => true 
add_index :groups_teams, :group_id
    
    
### todo: add models and some seed data

create_table :seasons do |t|  ## also used for years
  t.string :key,   :null => false
  t.string :title, :null => false   # e.g. 2011/12, 2012/13 ### what to do w/ 2012? for world cup etc?
  t.timestamps
end

create_table :leagues do |t|  ## also for cups/conferences/tournaments/world series/etc.
  t.string     :key,   :null => false
  t.string     :title, :null => false     # e.g. Premier League, Deutsche Bundesliga, World Cup, Champions League, etc.
  t.references :country   ##  optional for now ,   :null => false   ### todo: create "virtual" country for international leagues e.g. use int? or world (ww?)/europe (eu)/etc. similar? already taken??
 
  ## fix: rename to :clubs from :club
  t.boolean    :club,          :null => false, :default => false  # club teams or national teams?
  ## todo: add t.boolean  :national flag? for national teams?
  ## t.boolean  :international, :null => false, :default => false  # national league or international?
  ## t.boolean  :cup     ## or regular season league??
  t.timestamps
end

create_table :badges do |t|
  t.references  :team,  :null => false
  ## todo/fix: use event insead of league+season ??
  ## t.references  :event, :null => false   # event => league+season
  t.references  :league, :null => false
  t.references  :season, :null => false
  t.string      :title, :null => false   # Meister, Weltmeister, Europameister, Cupsieger, Vize-Meister, Aufsteiger, Absteiger, etc.
  t.timestamps
end

end