feat(sql): add function to list models based on a box

PostgreSQL/src/functions.sql

@@ -14,6 +14,17 @@ $$
 LANGUAGE SQL;
 ;
 
+
+CREATE OR REPLACE FUNCTION pieces_boite(int) RETURNS TABLE(id_piece int, quantite_piece int)
+AS 
+$$ 
+(SELECT id_piece, quantite_contenir
+  FROM contenir WHERE id_boite=$1);
+$$
+LANGUAGE SQL;
+;
+
+
 -- Liste des modèles faisables à partir d'un membre
 CREATE OR REPLACE FUNCTION modeles_faisables_membre(int) RETURNS TABLE(
  id_modele int
@@ -31,3 +42,22 @@ WHERE id_modele not IN
 )
 $$
 LANGUAGE SQL;
+
+
+-- Liste des modèles faisables à partir d'une boite
+CREATE OR REPLACE FUNCTION modeles_faisables_boite(int) RETURNS TABLE(
+ id_modele int
+) AS 
+$$
+SELECT id_modele
+FROM modeles
+WHERE id_modele not IN
+(
+  SELECT id_modele FROM  (SELECT * FROM pieces_boite($1)) as pieces_possedees
+  RIGHT OUTER JOIN (SELECT id_piece as id_necessaire, quantite_necessiter, id_modele
+                    FROM necessiter) as pieces_modeles
+  ON pieces_possedees.id_piece = id_necessaire
+  WHERE quantite_necessiter > quantite_piece OR quantite_piece IS NULL
+)
+$$
+LANGUAGE SQL;