Merge branch 'feature/27-implement-allergies-vegaterian-choice' into 'main'

Feature/27 implement allergies vegaterian choice

See merge request idatt2106-v23-03/backend!15

src/main/java/ntnu/idatt2016/v233/SmartMat/model/Allergy.java

+package ntnu.idatt2016.v233.SmartMat.model;
+
+/**
+ * This is a record class representing an allergy
+ * 
+ * @author Stian Lyng
+ * @version 1.0
+ *
+ * @param name The name of the allergy
+ * @param description The description of the allergy
+ */
+public record Allergy(String name, String description) {
+}
\ No newline at end of file

src/main/java/ntnu/idatt2016/v233/SmartMat/repository/AllergyRepository.java

+package ntnu.idatt2016.v233.SmartMat.repository;
+
+import ntnu.idatt2016.v233.SmartMat.model.Allergy;
+
+import java.util.List;
+import java.util.Optional;
+
+/**
+ * Repository for allergies
+ * 
+ * @author Stian Lyng
+ * @version 1.0
+ * @since 04.04.2023
+ */
+public interface AllergyRepository {
+    /**
+     * Saves a allergy to the database
+     *
+     * @param allergy Allergy to save
+     */
+    Allergy save (Allergy allergy);
+
+    /**
+     * Gets an allergy by name
+     *
+     * @param name the name of the allergy
+     * @return an optional containing the Allergy if it exists
+     */
+    Optional<Allergy> getByName(String name);
+
+    /**
+     * Gets all allergies
+     *
+     * @return an optional containing a list of all allergies
+     */
+    Optional<List<Allergy>> getAll();
+
+
+    /**
+     * Deletes an allergy by its name
+     *
+     * @param name the name of the allergy
+     */
+    void deleteById(String name);
+
+}