Add delete procedures (#9)

* Update foreign key constraints in database schema and add delete_person procedure

* Add delete_comment procedure to remove comments by ID

* Add delete_comment_like procedure to remove likes from comments by ID

* Add delete procedures for ingredient and ingredient_translation

* Add delete procedures for language and language_icon

* Add delete procedures for person_avatar, person_responsibility, and person_setting

* Add delete procedure for picture to remove pictures by ID

* Add delete procedures for recipe, recipe engagement, recipe ingredient, recipe rating, recipe tag, and recipe translation

* Add delete procedures for responsibility and tag

Author: Vianpyro

database.sql

@@ -20,7 +20,7 @@ CREATE OR REPLACE TABLE person (
     registration_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
     last_login TIMESTAMP NULL,
     language_id INT NULL,
-    FOREIGN KEY (language_id) REFERENCES lang (language_id) ON DELETE SET NULL
+    FOREIGN KEY (language_id) REFERENCES lang (language_id) ON DELETE RESTRICT
 ) ENGINE = InnoDB;
 
 CREATE OR REPLACE TABLE picture (
@@ -88,7 +88,7 @@ CREATE OR REPLACE TABLE ingredient_translation (
 
 CREATE OR REPLACE TABLE recipe (
     recipe_id INT AUTO_INCREMENT PRIMARY KEY,
-    author_id INT,
+    author_id INT NULL,
     publication_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
     modification_date TIMESTAMP NULL,
     picture_id INT NULL,
@@ -97,8 +97,8 @@ CREATE OR REPLACE TABLE recipe (
     number_of_reviews INT NULL,
     source VARCHAR(255) NULL,
     recipe_status ENUM('draft', 'published', 'hidden', 'archived', 'pending review', 'rejected', 'scheduled', 'needs update', 'unlisted', 'deleted') NOT NULL DEFAULT 'draft',
-    FOREIGN KEY (author_id) REFERENCES person (person_id) ON DELETE CASCADE,
-    FOREIGN KEY (picture_id) REFERENCES picture (picture_id) ON DELETE SET NULL
+    FOREIGN KEY (author_id) REFERENCES person (person_id) ON DELETE SET NULL,
+    FOREIGN KEY (picture_id) REFERENCES picture (picture_id) ON DELETE CASCADE
 ) ENGINE = InnoDB;
 
 CREATE OR REPLACE TABLE recipe_ingredient (
@@ -121,7 +121,7 @@ CREATE OR REPLACE TABLE recipe_translation (
     video_url VARCHAR(255) NULL,
     PRIMARY KEY (recipe_id, language_id),
     FOREIGN KEY (recipe_id) REFERENCES recipe (recipe_id) ON DELETE CASCADE,
-    FOREIGN KEY (language_id) REFERENCES lang (language_id) ON DELETE CASCADE
+    FOREIGN KEY (language_id) REFERENCES lang (language_id) ON DELETE RESTRICT
 ) ENGINE = InnoDB;
 
 CREATE OR REPLACE TABLE recipe_engagement (

procedures/delete/comment.sql

@@ -0,0 +1,14 @@
+-- Use the database
+USE smartcooking;
+
+DELIMITER //
+
+CREATE OR REPLACE PROCEDURE delete_comment(
+    IN p_comment_id INT
+)
+BEGIN
+    DELETE FROM comment
+    WHERE comment_id = p_comment_id;
+END //
+
+DELIMITER ;

procedures/delete/comment_like.sql

@@ -0,0 +1,15 @@
+-- Use the database
+USE smartcooking;
+
+DELIMITER //
+
+CREATE OR REPLACE PROCEDURE delete_comment_like(
+    IN p_comment_id INT,
+    IN p_person_id INT
+)
+BEGIN
+    DELETE FROM comment_like
+    WHERE comment_id = p_comment_id AND person_id = p_person_id;
+END //
+
+DELIMITER ;

procedures/delete/ingredient.sql

@@ -0,0 +1,14 @@
+-- Use the database
+USE smartcooking;
+
+DELIMITER //
+
+CREATE OR REPLACE PROCEDURE delete_ingredient(
+    IN p_ingredient_id INT
+)
+BEGIN
+    DELETE FROM ingredient
+    WHERE id = p_ingredient_id;
+END //
+
+DELIMITER ;

procedures/delete/ingredient_translation.sql

@@ -0,0 +1,15 @@
+-- Use the database
+USE smartcooking;
+
+DELIMITER //
+
+CREATE OR REPLACE PROCEDURE delete_ingredient_translation(
+    IN p_ingredient_id INT,
+    IN p_language_id INT
+)
+BEGIN
+    DELETE FROM ingredient_translation
+    WHERE ingredient_id = p_ingredient_id AND language_id = p_language_id;
+END //
+
+DELIMITER ;

procedures/delete/language.sql

@@ -0,0 +1,22 @@
+-- Use the database
+USE smartcooking;
+
+DELIMITER //
+
+CREATE OR REPLACE PROCEDURE delete_language(
+    IN p_language_id INT
+)
+BEGIN
+    DELETE FROM lang
+    WHERE id = p_language_id;
+END //
+
+CREATE OR REPLACE PROCEDURE delete_language_by_iso_code(
+    IN p_iso_code VARCHAR(2)
+)
+BEGIN
+    DELETE FROM lang
+    WHERE iso_code = p_iso_code;
+END //
+
+DELIMITER ;

procedures/delete/language_icon.sql

@@ -0,0 +1,14 @@
+-- Use the database
+USE smartcooking;
+
+DELIMITER //
+
+CREATE OR REPLACE PROCEDURE delete_language_icon(
+    IN p_language_id INT
+)
+BEGIN
+    DELETE FROM language_icon
+    WHERE language_id = p_language_id;
+END //
+
+DELIMITER ;

procedures/delete/person.sql

@@ -0,0 +1,15 @@
+-- Use the database
+USE smartcooking;
+
+DELIMITER //
+
+CREATE OR REPLACE PROCEDURE delete_person(
+    IN p_person_id INT
+)
+BEGIN
+    DELETE FROM person
+    WHERE person_id = p_person_id;
+END //
+
+
+DELIMITER ;

procedures/delete/person_avatar.sql

@@ -0,0 +1,14 @@
+-- Use the database
+USE smartcooking;
+
+DELIMITER //
+
+CREATE OR REPLACE PROCEDURE delete_person_avatar(
+    IN p_person_id INT
+)
+BEGIN
+    DELETE FROM person_avatar
+    WHERE person_id = p_person_id;
+END //
+
+DELIMITER ;

procedures/delete/person_responsibility.sql

@@ -0,0 +1,15 @@
+-- Use the database
+USE smartcooking;
+
+DELIMITER //
+
+CREATE OR REPLACE PROCEDURE delete_person_responsibility(
+    IN p_person_id INT,
+    IN p_responsibility_id INT
+)
+BEGIN
+    DELETE FROM person_responsibility
+    WHERE person_id = p_person_id AND responsibility_id = p_responsibility_id;
+END //
+
+DELIMITER ;