1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/demo-app/model/medium.lua	Sun Oct 25 12:00:00 2009 +0100
     1.3 @@ -0,0 +1,45 @@
     1.4 +Medium = mondelefant.new_class()
     1.5 +Medium.table = 'medium'
     1.6 +
     1.7 +Medium:add_reference{
     1.8 +  mode          = 'm1',             -- many (m) Medium entries can refer to one (1) MediaType
     1.9 +  to            = "MediaType",      -- name of referenced model (quoting avoids auto-loading here)
    1.10 +  this_key      = 'media_type_id',  -- own key in medium table
    1.11 +  that_key      =  'id',            -- other key in media_type table
    1.12 +  ref           = 'media_type',     -- name of reference
    1.13 +  back_ref      = nil,              -- not used for m1 relation!
    1.14 +  default_order = nil               -- not used for m1 relation!
    1.15 +}
    1.16 +
    1.17 +Medium:add_reference{
    1.18 +  mode          = '1m',               -- one (1) Medium has many (m) Classifications
    1.19 +  to            = "Classification",   -- name of referenced model (quoting avoids auto-loading here)
    1.20 +  this_key      = 'id',               -- own key in medium table
    1.21 +  that_key      = 'medium_id',        -- other key in classification table
    1.22 +  ref           = 'classifications',  -- name of reference
    1.23 +  back_ref      = 'medium',           -- each autoloaded classification automatically refers back to the Medium
    1.24 +  default_order = '"genre_id"'        -- order classifications by SQL expression "genre_id"
    1.25 +}
    1.26 +
    1.27 +Medium:add_reference{
    1.28 +  mode                  = 'mm',              -- many (m) Media belong to many (m) Genres
    1.29 +  to                    = "Genre",           -- name of referenced model (quoting avoids auto-loading here)
    1.30 +  this_key              = 'id',              -- (primary) key of medium table
    1.31 +  that_key              = 'id',              -- (primary) key of genre talbe
    1.32 +  connected_by_table    = 'classification',  -- table connecting media with genres
    1.33 +  connected_by_this_key = 'medium_id',       -- key in classification table referencing media
    1.34 +  connected_by_that_key = 'genre_id',        -- key in classification table referencing genres
    1.35 +  ref                   = 'genres',          -- name of reference
    1.36 +  back_ref              = nil,               -- not used for mm relation!
    1.37 +  default_order         = '"genre"."name", "genre"."id"'  -- mm references need qualified names in SQL order expression!
    1.38 +}
    1.39 +
    1.40 +Medium:add_reference{
    1.41 +  mode          = '1m',         -- one (1) Medium has many (m) Tracks
    1.42 +  to            = "Track",      -- name of referenced model (quoting avoids auto-loading here)
    1.43 +  this_key      = 'id',         -- own key in medium table
    1.44 +  that_key      = 'medium_id',  -- other key in track table
    1.45 +  ref           = 'tracks',     -- name of reference
    1.46 +  back_ref      = 'medium',     -- each autoloaded classification automatically refers back to the Medium
    1.47 +  default_order = '"position"'  -- order tracks by SQL expression "position"
    1.48 +}