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emil-palm/Join model assoc

Created April 15, 2012 12:58
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Join model assoc
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Join model assoc
Class match:
has_many :match_maps
has_many :maps, :through => :match_maps, :conditions => {'match_maps.veto' => false}, :source => :map, :class_name => "Map"
has_many :vetos, :through => :match_maps, :conditions => { 'match_maps.veto' => true}, :source => :map, :class_name => "Map"
m = Match.find(1)
m.vetos << Map.find(1)
m.map << Map.find(2)
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=> #<Map id: 2, name: "asdf", created_at: "2012-04-15 13:16:33", updated_at: "2012-04-15 13:16:33">
1.9.2-p290 :063 > m.vetos << map
(0.1ms) begin transaction
SQL (0.3ms) INSERT INTO "match_maps" ("map_id", "match_id", "veto") VALUES (?, ?, ?) ["map_id", 2], ["match_id", 1], ["veto", nil] commit transaction

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