diff --git a/.idea/misc.xml b/.idea/misc.xml
index 14613fe5e03b18ddd991ae2d6469785815981a8c..ba18a6c33941ef11eae66cf92f7dc410afae5c27 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -8,5 +8,5 @@
       </list>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_19" project-jdk-name="openjdk-20" project-jdk-type="JavaSDK" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_X" default="true" project-jdk-name="openjdk-20" project-jdk-type="JavaSDK" />
 </project>
\ No newline at end of file
diff --git a/src/main/resources/db/sql/dbschema.sql b/src/main/resources/db/sql/dbschema.sql
index 58c7fdea1b06a24a5dfd4dc789c4b5914e789646..2fc5b4a19bba7333a400ed762ebab3db3fac081d 100644
--- a/src/main/resources/db/sql/dbschema.sql
+++ b/src/main/resources/db/sql/dbschema.sql
@@ -66,7 +66,7 @@ CREATE TABLE items_allergies (
 );
 
 CREATE TABLE users_allergies (
-    username BIGINT NOT NULL,
+    username VARCHAR(50) NOT NULL,
     allergy_name VARCHAR(50) NOT NULL,
     CONSTRAINT PK_user_category PRIMARY KEY (username, allergy_name),
     FOREIGN KEY (username) REFERENCES users (username),
diff --git a/src/main/resources/db/sql/testdata.sql b/src/main/resources/db/sql/testdata.sql
index fecf04bcb3b946c33c5b4b2bfae8715d56d932c8..21ef30e3a2f0846c306674e665dd0233a3fccd8b 100644
--- a/src/main/resources/db/sql/testdata.sql
+++ b/src/main/resources/db/sql/testdata.sql
@@ -24,15 +24,256 @@ VALUES
     ('mike', 'USER'),
     ('olivia', 'ADMIN');
 
-INSERT INTO profiles (username, first_name, last_name,email, birthdate)
-VALUES
-    ('john','John','Smith','johnSmith@gmail.com','1998-05-07'),
-    ('jane','jane','Lee','HappyJane@gmail.com','1973-02-14'),
-    ('bob','Bob','Garcia','BigGarcia@gmail.com','1958-12-23'),
-    ('alice','Alice','Lee','johnSmit2h@gmail.com','2002-01-04'),
-    ('tom','Tom','Johnson','johnSmith3@gmail.com','1993-11-21'),
-    ('sarah', 'Sarah', 'Taylor', 'sarahTaylor@gmail.com', '1987-09-18'),
-    ('david', 'David', 'Miller', 'davidMiller@gmail.com', '1979-07-25'),
-    ('emily', 'Emily', 'Chen', 'emilyChen@gmail.com', '1990-03-12'),
-    ('mike', 'Mike', 'Johnson', 'mikeJohnson@gmail.com', '1985-06-30'),
-    ('olivia', 'Olivia', 'Davis', 'oliviaDavis@gmail.com', '2000-10-15');
+INSERT INTO groups (group_name, level, points)
+VALUES
+    ('Group A', 1, 100),
+    ('Group B', 2, 250),
+    ('Group C', 3, 500),
+    ('Group D', 4, 750),
+    ('Group E', 1, 200);
+
+INSERT INTO profiles (username, first_name, last_name,email, birthdate, group_id)
+VALUES
+    ('john','John','Smith','johnSmith@gmail.com','1998-05-07',1),
+    ('jane','jane','Lee','HappyJane@gmail.com','1973-02-14',1),
+    ('bob','Bob','Garcia','BigGarcia@gmail.com','1958-12-23',2),
+    ('alice','Alice','Lee','johnSmit2h@gmail.com','2002-01-04',2),
+    ('tom','Tom','Johnson','johnSmith3@gmail.com','1993-11-21',3),
+    ('sarah', 'Sarah', 'Taylor', 'sarahTaylor@gmail.com', '1987-09-18',3),
+    ('david', 'David', 'Miller', 'davidMiller@gmail.com', '1979-07-25',4),
+    ('emily', 'Emily', 'Chen', 'emilyChen@gmail.com', '1990-03-12',4),
+    ('mike', 'Mike', 'Johnson', 'mikeJohnson@gmail.com', '1985-06-30',5),
+    ('olivia', 'Olivia', 'Davis', 'oliviaDavis@gmail.com', '2000-10-15',5);
+
+INSERT INTO messages (senderName, group_id, message, is_deleted)
+VALUES
+    ('john', 1, 'Hello everyone!', false),
+    ('jane', 2, 'Welcome to our group.', false),
+    ('bob', 3, 'Lets discuss the upcoming event.', false),
+	('alice', 4, 'Hi there!', false),
+	('tom', 5, 'Has anyone seen my keys?', false),
+	('sarah', 6, 'Good morning!', false),
+	('david', 7, 'How is everyone doing?', false),
+	('emily', 8, 'Just checking in.', false),
+	('mike', 9, 'Whats the plan for today?', false),
+    ('olivia', 10, 'I have an announcement to make.', false),
+    ('john', 11, 'Great job, team!', false),
+    ('jane', 12, 'Im excited about the upcoming project.', false),
+	('bob', 13, 'Any updates on the deadline?', false),
+	('alice', 14, 'Looking forward to the weekend.', false),
+	('tom', 15, 'Im feeling under the weather today.', false),
+    ('sarah', 16, 'Happy birthday!', false),
+    ('david', 17, 'Congratulations on the promotion.', false),
+    ('emily', 18, 'Can someone help me with this task?', false),
+    ('mike', 19, 'Dont forget about the meeting tomorrow.', false),
+	('olivia', 20, 'Thanks for your support.', false);
+
+INSERT INTO allergy (allergy_name, allergy_description)
+VALUES
+    ('Peanut', 'Allergic reaction to peanuts.'),
+    ('Lactose', 'Allergic reaction to lactose in dairy products.'),
+    ('Shellfish', 'Allergic reaction to shellfish like shrimp, crab, or lobster.'),
+    ('Gluten', 'Allergic reaction to gluten found in wheat, barley, and rye.'),
+    ('Soy', 'Allergic reaction to soybeans and soy-based products.'),
+    ('Tree nuts', 'Allergic reaction to tree nuts like almonds, walnuts, or cashews.'),
+    ('Eggs', 'Allergic reaction to eggs.'),
+    ('Fish', 'Allergic reaction to fish like salmon, tuna, or cod.'),
+    ('Wheat', 'Allergic reaction to wheat.'),
+    ('Sesame', 'Allergic reaction to sesame seeds or sesame-based products.'),
+    ('Mustard', 'Allergic reaction to mustard.'),
+    ('Sulfites', 'Allergic reaction to sulfites used as preservatives in certain foods and drinks.'),
+    ('Celery', 'Allergic reaction to celery.'),
+    ('Mollusks', 'Allergic reaction to mollusks like clams, mussels, or oysters.'),
+    ('Cottonseed', 'Allergic reaction to cottonseed oil or cottonseed-based products.'),
+    ('Sunflower', 'Allergic reaction to sunflower seeds or sunflower-based products.'),
+    ('Meat', 'Allergic reaction to meat products.'),
+    ('Corn', 'Allergic reaction to corn or corn-based products.'),
+    ('Nightshades', 'Allergic reaction to nightshade vegetables like tomatoes, potatoes, or eggplants.');
+
+INSERT INTO product (ean, item_name, description)
+VALUES
+    (100000000001, 'Apple', 'Fresh and juicy apple.'),
+    (100000000002, 'Banana', 'Ripe and yellow banana.'),
+    (100000000003, 'Orange', 'Sweet and tangy orange.'),
+    (100000000004, 'Strawberry', 'Plump and red strawberry.'),
+    (100000000005, 'Grapes', 'Juicy and sweet grapes.'),
+    (100000000006, 'Watermelon', 'Refreshing and juicy watermelon.'),
+    (100000000007, 'Carrot', 'Crunchy and nutritious carrot.'),
+    (100000000008, 'Broccoli', 'Healthy and nutritious broccoli.'),
+    (100000000009, 'Spinach', 'Fresh and leafy spinach.'),
+    (100000000010, 'Tomato', 'Plump and red tomato.'),
+    (100000000011, 'Cucumber', 'Crisp and refreshing cucumber.'),
+    (100000000012, 'Lettuce', 'Fresh and crispy lettuce.'),
+    (100000000013, 'Potato', 'Versatile and starchy potato.'),
+    (100000000014, 'Onion', 'Flavorful and aromatic onion.'),
+    (100000000015, 'Garlic', 'Pungent and aromatic garlic.'),
+    (100000000016, 'Avocado', 'Creamy and healthy avocado.'),
+    (100000000017, 'Cheese', 'Rich and flavorful cheese.'),
+    (100000000018, 'Yogurt', 'Creamy and probiotic-rich yogurt.'),
+    (100000000019, 'Milk', 'Fresh and nutritious milk.'),
+    (100000000020, 'Butter', 'Smooth and creamy butter.'),
+    (100000000021, 'Bread', 'Fresh and fluffy bread.'),
+    (100000000022, 'Rice', 'Versatile and staple rice.'),
+    (100000000023, 'Pasta', 'Al dente and flavorful pasta.'),
+    (100000000024, 'Chicken', 'Lean and protein-rich chicken.'),
+    (100000000025, 'Beef', 'Tender and juicy beef.'),
+    (100000000026, 'Pork', 'Savory and succulent pork.'),
+    (100000000027, 'Fish', 'Fresh and flavorful fish.'),
+    (100000000028, 'Shrimp', 'Sweet and succulent shrimp.'),
+    (100000000029, 'Salmon', 'Rich and omega-3 packed salmon.'),
+    (100000000030, 'Tuna', 'Flaky and delicious tuna.'),
+    (100000000031, 'Crab', 'Sweet and delicate crab meat.'),
+    (100000000032, 'Lobster', 'Indulgent and flavorful lobster meat.'),
+    (100000000033, 'Eggs', 'Fresh and protein-rich eggs.'),
+    (100000000034, 'Bacon', 'Savory and crispy bacon.'),
+    (100000000035, 'Sausages', 'Juicy and flavorful sausages.'),
+    (100000000036, 'Ham', 'Smoky and delicious ham.'),
+    (100000000037, 'Soup', 'Comforting and flavorful soup.'),
+    (100000000038, 'Chips', 'Crunchy and addictive chips.'),
+    (100000000039, 'Cookies', 'Sweet and delicious cookies.'),
+    (100000000040, 'Chocolate', 'Rich and indulgent chocolate.');
+
+INSERT INTO items_allergies (ean, allergy_name)
+VALUES
+    (100000000001, 'Peanuts'),
+    (100000000001, 'Tree Nuts'),
+    (100000000001, 'Soy'),
+    (100000000002, 'Milk'),
+    (100000000002, 'Soy'),
+    (100000000002, 'Wheat'),
+    (100000000002, 'Eggs'),
+    (100000000003, 'Milk'),
+    (100000000003, 'Soy'),
+    (100000000004, 'Strawberries'),
+    (100000000004, 'Citrus Fruits'),
+    (100000000004, 'Berries'),
+    (100000000004, 'Soy'),
+    (100000000005, 'Grapes'),
+    (100000000005, 'Sulfites'),
+    (100000000006, 'Watermelon'),
+    (100000000007, 'Carrots'),
+    (100000000008, 'Broccoli'),
+    (100000000008, 'Mustard'),
+    (100000000009, 'Spinach'),
+    (100000000009, 'Eggs'),
+    (100000000009, 'Milk'),
+    (100000000010, 'Tomatoes');
+
+INSERT INTO users_allergies (username, allergy_name)
+VALUES
+    ('john', 'Peanuts'),
+    ('jane', 'Eggs'),
+    ('bob', 'Shellfish'),
+    ('alice', 'Milk'),
+    ('tom', 'Wheat'),
+    ('sarah', 'Soy'),
+    ('david', 'Tree Nuts'),
+    ('jane', 'Fish'),
+    ('mike', 'Soy'),
+    ('david', 'Peanuts'),
+    ('sarah', 'Eggs'),
+    ('john', 'Milk'),
+    ('bob', 'Soy'),
+    ('tom', 'Eggs');
+
+INSERT INTO FRIDGE (group_id)
+VALUES
+    (1),
+    (2),
+    (3),
+    (4),
+    (5);
+
+INSERT INTO FRIDGE_PRODUCT (fridge_id, ean)
+VALUES
+    (1, 1000000000001),
+    (1, 1000000000002),
+    (1, 1000000000003),
+    (1, 1000000000004),
+    (1, 1000000000005),
+    (2, 1000000000002),
+    (2, 1000000000003),
+    (2, 1000000000006),
+    (2, 1000000000007),
+    (2, 1000000000008),
+    (3, 1000000000001),
+    (3, 1000000000003),
+    (3, 1000000000004),
+    (3, 1000000000006),
+    (3, 1000000000009),
+    (4, 1000000000002),
+    (4, 1000000000004),
+    (4, 1000000000007),
+    (4, 1000000000008),
+    (4, 1000000000010),
+    (5, 1000000000003),
+    (5, 1000000000005),
+    (5, 1000000000006),
+    (5, 1000000000007),
+    (5, 1000000000010);
+
+INSERT INTO shopping_list (group_id)
+VALUES
+    (1),
+    (2),
+    (3),
+    (4),
+    (5);
+
+INSERT INTO shopping_list_product (shopping_list_id, ean)
+VALUES
+    (1, 100000000001),
+    (1, 100000000002),
+    (1, 100000000003),
+    (1, 100000000004),
+    (1, 100000000005),
+    (2, 100000000006),
+    (2, 100000000007),
+    (2, 100000000008),
+    (2, 100000000009),
+    (2, 100000000010),
+    (3, 100000000011),
+    (3, 100000000012),
+    (3, 100000000013),
+    (3, 100000000014),
+    (3, 100000000015),
+    (4, 100000000016),
+    (4, 100000000017),
+    (4, 100000000018),
+    (4, 100000000019),
+    (4, 100000000020),
+    (5, 100000000021),
+    (5, 100000000022),
+    (5, 100000000023),
+    (5, 100000000024),
+    (5, 100000000025),
+    (1, 100000000026),
+    (1, 100000000027),
+    (1, 100000000028),
+    (1, 100000000029),
+    (1, 100000000030),
+    (2, 100000000031),
+    (2, 100000000032),
+    (2, 100000000033),
+    (2, 100000000034),
+    (2, 100000000035),
+    (3, 100000000036),
+    (3, 100000000037),
+    (3, 100000000038),
+    (3, 100000000039),
+    (3, 100000000040);
+
+INSERT INTO recipe (recipe_name, description)
+VALUES
+    ('Spaghetti Bolognese', 'Classic Italian pasta dish with meat sauce.'),
+    ('Chicken Alfredo', 'Creamy and rich pasta dish with chicken.'),
+    ('Beef Stroganoff', 'Russian dish with tender beef and mushroom sauce.'),
+    ('Baked Ziti', 'Baked pasta dish with meat, cheese, and tomato sauce.'),
+    ('Lemon Garlic Shrimp', 'Shrimp cooked in a tangy lemon garlic sauce.'),
+    ('Vegetable Stir-Fry', 'Stir-fried vegetables with a savory sauce.'),
+    ('Chicken Fajitas', 'Mexican dish with marinated chicken and peppers.'),
+    ('Beef and Broccoli', 'Chinese dish with tender beef and broccoli.'),
+    ('Spinach and Ricotta Stuffed Shells', 'Pasta shells filled with spinach and ricotta cheese.'),
+    ('Baked Chicken Parmesan', 'Breaded and baked chicken with marinara sauce and cheese.');
+
+