port GildedRose to Oracle PL/SQL table and stored procedure

plsql/create_user_if_needed.sql

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+PROMPT Creating User 'DOJO'
+DROP USER dojo;
+CREATE USER dojo IDENTIFIED BY pass 
+  DEFAULT TABLESPACE USERS TEMPORARY TABLESPACE temp;
+  GRANT RESOURCE TO dojo;
+  GRANT CONNECT TO dojo;
+/

plsql/item.sql

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+PROMPT Creating Table 'ITEM'
+DROP TABLE item;
+CREATE TABLE item
+  (
+    name    VARCHAR2(100) NOT NULL,
+    sell_in NUMBER(6) NOT NULL,
+    quality NUMBER(6) NOT NULL
+  );
+/

plsql/item_with_id.sql

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+PROMPT Creating Table 'ITEM' with auto-increment primary key 'ID'
+DROP TABLE item;
+CREATE TABLE item
+  (
+    id      NUMBER(6) NOT NULL,
+    name    VARCHAR2(100) NOT NULL,
+    sell_in NUMBER(6) NOT NULL,
+    quality NUMBER(6) NOT NULL
+  );
+/
+
+ALTER TABLE item ADD (
+  CONSTRAINT item_pk PRIMARY KEY (ID));
+/
+
+DROP SEQUENCE item_id_seq;
+CREATE SEQUENCE item_id_seq 
+  INCREMENT BY 1 
+  START WITH 1 
+  MAXVALUE 999999
+  MINVALUE 1 
+  NOCYCLE;
+/
+
+CREATE OR REPLACE TRIGGER item_bis_trg 
+  BEFORE INSERT ON item 
+  FOR EACH ROW 
+BEGIN
+    SELECT item_id_seq.NEXTVAL INTO :new.id FROM dual;
+END;
+/

plsql/texttest_fixture.sql

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+DELETE FROM item;
+
+INSERT INTO item (name, sell_in, quality) VALUES ('+5 Dexterity Vest', 10, 20);
+INSERT INTO item (name, sell_in, quality) VALUES ('Aged Brie', 2, 0);
+INSERT INTO item (name, sell_in, quality) VALUES ('Elixir of the Mongoose', 5, 7);
+INSERT INTO item (name, sell_in, quality) VALUES ('Sulfuras, Hand of Ragnaros', 0, 80);
+INSERT INTO item (name, sell_in, quality) VALUES ('Sulfuras, Hand of Ragnaros', -1, 80);
+INSERT INTO item (name, sell_in, quality) VALUES ('Backstage passes to a TAFKAL80ETC concert', 15, 20);
+INSERT INTO item (name, sell_in, quality) VALUES ('Backstage passes to a TAFKAL80ETC concert', 10, 49);
+INSERT INTO item (name, sell_in, quality) VALUES ('Backstage passes to a TAFKAL80ETC concert', 5, 49);
+-- this conjured item does not work properly yet ;
+INSERT INTO item (name, sell_in, quality) VALUES ('Conjured Mana Cake', 3, 6);
+COMMIT;
+
+DECLARE
+  l_days NUMBER(3);
+  CURSOR c_items IS 
+    SELECT name, sell_in, quality FROM item;
+  l_item c_items%ROWTYPE;
+BEGIN
+  DBMS_OUTPUT.PUT_LINE('OMGHAI!');
+  
+  l_days := 2;
+
+  FOR i IN 0 .. l_days - 1
+  LOOP
+    DBMS_OUTPUT.PUT_LINE('-------- day ' || TO_CHAR(i) || ' --------');
+    DBMS_OUTPUT.PUT_LINE('name, sellIn, quality');
+    FOR l_item IN c_items LOOP
+      DBMS_OUTPUT.PUT_LINE(l_item.name || ', ' || l_item.sell_in || ', ' || l_item.quality);
+    END LOOP;
+    DBMS_OUTPUT.PUT_LINE('');
+    update_quality();
+  END LOOP;
+END;

plsql/update_quality.sql

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+CREATE OR REPLACE PROCEDURE update_quality
+IS
+  CURSOR c_items IS
+    SELECT name, sell_in, quality FROM item FOR UPDATE;
+  l_item c_items%ROWTYPE;
+  l_name item.name%TYPE;
+  l_sell_in item.sell_in%TYPE;
+  l_quality item.quality%TYPE;
+BEGIN
+  FOR l_item IN c_items
+  LOOP
+    l_name    := l_item.name;
+    l_sell_in := l_item.sell_in;
+    l_quality := l_item.quality;
+    
+    IF l_name != 'Aged Brie' AND l_name != 'Backstage passes to a TAFKAL80ETC concert' THEN
+      IF l_quality > 0 THEN
+        IF l_name != 'Sulfuras, Hand of Ragnaros' THEN
+          l_quality := l_quality - 1;
+        END IF;
+      END IF;
+    ELSE
+      IF (l_quality < 50) THEN
+        l_quality := l_quality + 1;
+        IF l_name = 'Backstage passes to a TAFKAL80ETC concert' THEN
+          IF l_sell_in < 11 THEN
+            IF l_quality < 50 THEN
+              l_quality := l_quality + 1;
+            END IF;
+          END IF;
+          IF l_sell_in < 6 THEN
+            IF l_quality < 50 THEN
+              l_quality := l_quality + 1;
+            END IF;
+          END IF;
+        END IF;
+      END IF;
+    END IF;
+    
+    IF l_name != 'Sulfuras, Hand of Ragnaros' THEN
+      l_sell_in := l_sell_in - 1;
+    END IF;
+    
+    IF l_sell_in < 0 THEN
+      IF l_name != 'Aged Brie' THEN
+        IF l_name != 'Backstage passes to a TAFKAL80ETC concert' THEN
+          IF l_quality > 0 THEN
+            IF l_name != 'Sulfuras, Hand of Ragnaros' THEN
+              l_quality := l_quality - 1;
+            END IF;
+          END IF;
+        ELSE
+          l_quality := l_quality - l_quality;
+        END IF;
+      ELSE
+        IF l_quality < 50 THEN
+          l_quality := l_quality + 1;
+        END IF;
+      END IF;
+    END IF;
+    
+    UPDATE item
+      SET name = l_name, sell_in = l_sell_in, quality = l_quality WHERE CURRENT OF c_items;
+  END LOOP;
+END update_quality;
+/