some tweaks

code/models/airtimes.lua

@@ -6,7 +6,7 @@ local Airtimes = Model:extend("airtimes", {
 
     timestamp = true,
     relations = {
-        {"tracks", belongs_to = "Tracks"},
+        {"track", belongs_to = "Tracks"},
         {"stations", has_one = "Stations"}
     }
 })

code/models/artists.lua

@@ -6,7 +6,10 @@ local Artists = Model:extend("artists", {
     -- "date", types.date
     -- "bio", types.text
     -- "urls", types.text
-    timestamp = true
+    timestamp = true,
+    relations = {
+        {"trackartists", has_many = "TrackArtists"}
+    }
 })
 
 return Artists

code/models/releases.lua

@@ -0,0 +1,16 @@
+local Model = require("lapis.db.model").Model
+
+-- releases
+local Releases = Model:extend("releases", {
+    -- "name", types.varchar
+    -- "label", types.varchar
+    -- "year", types.integer
+    -- "country", types.varchar
+    
+    timestamp = true,
+    relations = {
+        {"trackreleases", has_many = "TrackReleases"}
+    }
+})
+
+return Releases

code/models/trackreleases.lua

@@ -0,0 +1,12 @@
+local Model = require("lapis.db.model").Model
+
+-- track_releases
+local TrackReleases = Model:extend("track_releases", {
+    timestamp = true,
+    relations = {
+        {"track", belongs_to = "Tracks"},
+        {"release", belongs_to = "Releases"}
+    }
+})
+
+return TrackReleases

code/models/tracks.lua

@@ -9,7 +9,9 @@ local Tracks = Model:extend("tracks", {
 
     timestamp = true,
     relations = {
-        {"airtimes", has_many = "Airtimes"}
+        {"airtimes", has_many = "Airtimes"},
+        {"trackreleases", has_many = "TrackReleases"},
+        {"trackartists", has_many = "TrackArtists"}
     }
 })