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init.sql
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init.sql
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-- ----------------------------------------
-- Lookup Tables --------------------------
-- ----------------------------------------
-- "Profile Status" Lookup Table
CREATE TABLE profile_status (
id INT AUTO_INCREMENT PRIMARY KEY NOT NULL,
name VARCHAR(20) NOT NULL UNIQUE
);
INSERT INTO profile_status (name) VALUES
('deleted'),
('active'),
('offline'),
('busy');
-- "Profile Relation Status" Lookup Table
CREATE TABLE profile_relation_status (
id INT AUTO_INCREMENT PRIMARY KEY NOT NULL,
name VARCHAR(20) NOT NULL UNIQUE
);
INSERT INTO profile_relation_status (name) VALUES
('friend'),
('requested'),
('received'),
('blocked'),
('ignored');
-- "Profile Message Status" Lookup Table
CREATE TABLE profile_message_status (
id INT AUTO_INCREMENT PRIMARY KEY NOT NULL,
name VARCHAR(20) NOT NULL UNIQUE
);
INSERT INTO profile_message_status (name) VALUES
('read'),
('sent'),
('delivered'),
('deleted');
-- "Profile Room Status" Lookup Table
CREATE TABLE profile_room_status (
id INT AUTO_INCREMENT PRIMARY KEY NOT NULL,
name VARCHAR(20) NOT NULL UNIQUE
);
INSERT INTO profile_room_status (name) VALUES
('owner')
('admin'),
('member'),
('muted'),
('banned'),
('ignored');
-- ----------------------------------------
-- Primary Tables -------------------------
-- ----------------------------------------
-- "Profile" Table
CREATE TABLE profile (
id UUID PRIMARY KEY NOT NULL,
username VARCHAR(100) NOT NULL,
hashed_password VARCHAR(100) NOT NULL,
created_at DATETIME NOT NULL DEFAULT NOW(),
updated_at DATETIME NOT NULL DEFAULT NOW(),
profile_status_id INT NOT NULL,
FOREIGN KEY (profile_status_id) REFERENCES profile_status (id)
);
-- "Message" Table
CREATE TABLE message (
id UUID PRIMARY KEY NOT NULL,
profile_id UUID NOT NULL,
room_id UUID NOT NULL,
body VARCHAR(1000) NOT NULL,
created_at DATETIME NOT NULL DEFAULT NOW(),
updated_at DATETIME NOT NULL DEFAULT NOW(),
FOREIGN KEY (profile_id) REFERENCES profile (id),
FOREIGN KEY (room_id) REFERENCES room (id)
);
-- "Room" Table
CREATE TABLE room (
id UUID PRIMARY KEY NOT NULL,
name VARCHAR(100) NOT NULL,
created_at DATETIME NOT NULL DEFAULT NOW(),
updated_at DATETIME NOT NULL DEFAULT NOW()
);
-- ----------------------------------------
-- Junction Tables ------------------------
-- ----------------------------------------
-- "Profile Relation" Table
CREATE TABLE profile_relation (
requester_profile_id UUID NOT NULL,
receiver_profile_id UUID NOT NULL,
relation_status_id INT NOT NULL,
PRIMARY KEY (requester_profile_id, receiver_profile_id),
FOREIGN KEY (requester_profile_id) REFERENCES profile (id),
FOREIGN KEY (receiver_profile_id) REFERENCES profile (id),
FOREIGN KEY (relation_status_id) REFERENCES profile_relation_status (id)
);
-- "Profile Message Status" Junction Table
CREATE TABLE profile_message_status (
profile_id UUID NOT NULL,
message_id UUID NOT NULL,
message_status_id INT NOT NULL,
PRIMARY KEY (profile_id, message_id),
FOREIGN KEY (profile_id) REFERENCES profile (id),
FOREIGN KEY (message_id) REFERENCES message (id),
FOREIGN KEY (message_status_id) REFERENCES message_status (id)
);
-- "Profile Room" Table
CREATE TABLE profile_room (
profile_id UUID NOT NULL,
room_id UUID NOT NULL,
profile_room_status_id INT NOT NULL,
PRIMARY KEY (profile_id, room_id),
FOREIGN KEY (profile_id) REFERENCES profile (id),
FOREIGN KEY (room_id) REFERENCES room (id),
FOREIGN KEY (room_status_id) REFERENCES profile_room_status (id)
);
-- ----------------------------------------
-- Triggers -------------------------------
-- ----------------------------------------
DELIMITER //
--
CREATE PROCEDURE DeleteEmptyRooms(IN deleted_profile_id UUID)
BEGIN
DELETE r.* FROM room r
JOIN profile_room pr
ON pr.user_id = deleted_profile_id
LEFT JOIN profile p
ON p.id = pr.user_id
WHERE pr.profile_room_status_id != 3 -- muted
AND pr.profile_room_status_id != 4 -- banned
AND pr.profile_room_status_id != 5 -- ignored
AND p.profile_status_id != 1 -- deleted
END;
//
CREATE TRIGGER after_profile_status_update
AFTER UPDATE ON profile
FOR EACH ROW
BEGIN
IF NEW.profile_status_id = 4 THEN
-- 4 = deleted
CALL DeleteEmptyRooms(NEW.id);
END IF;
END;
//
CREATE TRIGGER after_profile_status_update
AFTER UPDATE ON profile
FOR EACH ROW
BEGIN
IF NEW.profile_status_id = 4 THEN
-- 4 = deleted
DeleteEmptyRooms(NEW.id);
END IF;
END;
//
-- "Updated At" Triggers
CREATE TRIGGER profile_updated_at
BEFORE UPDATE ON profile
FOR EACH ROW
BEGIN
SET NEW.updated_at = NOW();
END;
//
CREATE TRIGGER message_updated_at
BEFORE UPDATE ON message
FOR EACH ROW
BEGIN
SET NEW.updated_at = NOW();
END;
//
CREATE TRIGGER room_updated_at
BEFORE UPDATE ON room
FOR EACH ROW
BEGIN
SET NEW.updated_at = NOW();
END;
//
-- "UUID" Triggers
CREATE TRIGGER before_profile_insert
BEFORE INSERT ON profile
FOR EACH ROW
BEGIN
SET NEW.id = UUID();
END;
//
CREATE TRIGGER before_message_insert
BEFORE INSERT ON message
FOR EACH ROW
BEGIN
SET NEW.id = UUID();
END;
//
CREATE TRIGGER before_room_insert
BEFORE INSERT ON room
FOR EACH ROW
BEGIN
SET NEW.id = UUID();
END;
//
-- ----------------------------------------
-- Prepared Procedures --------------------
-- ----------------------------------------
-- "Create Profile" Procedure
CREATE PROCEDURE CreateProfile(
IN username VARCHAR(100),
IN hashed_password VARCHAR(1000),
IN profile_status_id INT
)
BEGIN
INSERT INTO profile (username, hashed_password, profile_status_id)
VALUES (username, hashed_password, profile_status_id);
END;
//
-- "Create Message" Procedure
CREATE PROCEDURE CreateMessage(
IN sender_id UUID,
IN room_id UUID,
IN body VARCHAR(1000)
)
BEGIN
DECLARE message_id UUID;
INSERT INTO message (profile_id, room_id, body)
VALUES (sender_id, room_id, body);
SET message_id = LAST_INSERT_ID();
INSERT INTO profile_message_status (profile_id, message_id, message_status_id)
-- 1 = sent
VALUES (profile_id, message_id, 1);
END;
//
-- "Create Room" Procedure
CREATE PROCEDURE CreateRoom(
IN name VARCHAR(100),
IN profile_id VARCHAR(100)
)
BEGIN
DECLARE room_id UUID;
INSERT INTO room (name) VALUES (name);
SET room_id = LAST_INSERT_ID();
INSERT INTO profile_room (profile_id, room_id, room_status_name)
VALUES (profile_id, room_id, 'admin');
END;
//
-- "Create Profile Relation" Procedure
CREATE PROCEDURE CreateProfileRelation(
IN requester_profile_id VARCHAR(100),
IN receiver_profile_id VARCHAR(100),
IN relation_status_id INT
)
BEGIN
INSERT INTO profile_relation (requester_profile_id, receiver_profile_id, relation_status_id)
VALUES (requester_profile_id, receiver_profile_id, relation_status_id);
END;
//
-- "Update Profile Relation" Procedure
CREATE PROCEDURE UpdateProfileRelation(
IN requester_profile_id VARCHAR(100),
IN receiver_profile_id VARCHAR(100),
IN relation_status_id INT
)
BEGIN
UPDATE profile_relation
SET relation_status_id = relation_status_id
WHERE requester_profile_id = requester_profile_id
AND receiver_profile_id = receiver_profile_id;
END;
//
-- "Send Friend Request" Procedure
CREATE PROCEDURE SendFriendRequest(
IN requester_profile_id VARCHAR(100),
IN receiver_profile_id VARCHAR(100)
)
BEGIN
CALL CreateProfileRelation(requester_profile_id, receiver_profile_id, 1);
CALL CreateProfileRelation(receiver_profile_id, requester_profile_id, 2);
-- 1 = requested
-- 2 = received
END;
//
-- "Accept Friend Request" Procedure
CREATE PROCEDURE AcceptFriendRequest(
IN requester_profile_id VARCHAR(100),
IN receiver_profile_id VARCHAR(100)
)
BEGIN
CALL UpdateProfileRelation(requester_profile_id, receiver_profile_id, 1);
CALL UpdateProfileRelation(receiver_profile_id, requester_profile_id, 1);
-- 1 = friend
END;
//
-- "Block Profile" Procedure
CREATE PROCEDURE BlockProfile(
IN requester_profile_id VARCHAR(100),
IN receiver_profile_id VARCHAR(100)
)
BEGIN
CALL UpdateProfileRelation(requester_profile_id, receiver_profile_id, 4);
-- 4 = blocked
END;
//
-- "Ignore Profile" Procedure
CREATE PROCEDURE IgnoreProfile(
IN requester_profile_id VARCHAR(100),
IN receiver_profile_id VARCHAR(100)
)
BEGIN
CALL UpdateProfileRelation(requester_profile_id, receiver_profile_id, 5);
-- 5 = ignored
END;
//
-- "Delete Profile" Procedure
CREATE PROCEDURE DeleteProfile(
IN profile_id VARCHAR(100)
)
BEGIN
UPDATE profile
SET profile_status_id = 1
WHERE id = profile_id;
-- 1 = deleted
END;
//
-- "Delete Message" Procedure
CREATE PROCEDURE DeleteMessage(
IN profile_id VARCHAR(100),
IN message_id UUID
)
BEGIN
UPDATE profile_message_status
SET message_status_id = 4
WHERE profile_id = profile_id
AND message_id = message_id;
-- 4 = deleted
END;
//
-- "Delete Room" Procedure
CREATE PROCEDURE DeleteRoom(
IN profile_id VARCHAR(100),
IN room_id UUID
)
BEGIN
UPDATE profile_room
SET room_status_id = 4
WHERE profile_id = profile_id
AND room_id = room_id;
-- 4 = ignored
END;
//
DELIMITER ;