feat: add Firearm and Modification entities with database schema

src/main/java/com/onixbyte/deltaforceguide/domain/entity/Firearm.java

@@ -0,0 +1,96 @@
+package com.onixbyte.deltaforceguide.domain.entity;
+
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Table(name = "firearm")
+public class Firearm {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(name = "name", nullable = false, length = 64)
+    private String name;
+
+    @Column(name = "type", nullable = false)
+    private Integer type;
+
+    @Column(name = "level", nullable = false)
+    private Integer level;
+
+    @Column(name = "review", columnDefinition = "TEXT")
+    private String review;
+
+    @OneToMany(mappedBy = "firearm", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<Modification> modifications = new ArrayList<>();
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Integer getType() {
+        return type;
+    }
+
+    public void setType(Integer type) {
+        this.type = type;
+    }
+
+    public Integer getLevel() {
+        return level;
+    }
+
+    public void setLevel(Integer level) {
+        this.level = level;
+    }
+
+    public String getReview() {
+        return review;
+    }
+
+    public void setReview(String review) {
+        this.review = review;
+    }
+
+    public List<Modification> getModifications() {
+        return modifications;
+    }
+
+    public void setModifications(List<Modification> modifications) {
+        this.modifications = modifications;
+    }
+
+    public void addModification(Modification modification) {
+        this.modifications.add(modification);
+        modification.setFirearm(this);
+    }
+
+    public void removeModification(Modification modification) {
+        this.modifications.remove(modification);
+        modification.setFirearm(null);
+    }
+}
+

src/main/java/com/onixbyte/deltaforceguide/domain/entity/Modification.java

@@ -0,0 +1,120 @@
+package com.onixbyte.deltaforceguide.domain.entity;
+
+import io.hypersistence.utils.hibernate.type.json.JsonType;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.ForeignKey;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Index;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+import org.hibernate.annotations.Type;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Table(
+    name = "modification",
+    indexes = {
+        @Index(name = "idx_modification_firearm_id", columnList = "firearm_id")
+    }
+)
+public class Modification {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY, optional = false)
+    @JoinColumn(name = "firearm_id", nullable = false, foreignKey = @ForeignKey(name = "fk_modification_firearm"))
+    private Firearm firearm;
+
+    @Column(name = "name", nullable = false, length = 64)
+    private String name;
+
+    @Column(name = "code", nullable = false, length = 64)
+    private String code;
+
+    @Type(JsonType.class)
+    @Column(name = "tags", columnDefinition = "json")
+    private List<String> tags = new ArrayList<>();
+
+    @Column(name = "note", columnDefinition = "TEXT")
+    private String note;
+
+    @Column(name = "author", length = 64)
+    private String author;
+
+    @Column(name = "video_url", length = 512)
+    private String videoUrl;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public Firearm getFirearm() {
+        return firearm;
+    }
+
+    public void setFirearm(Firearm firearm) {
+        this.firearm = firearm;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getCode() {
+        return code;
+    }
+
+    public void setCode(String code) {
+        this.code = code;
+    }
+
+    public List<String> getTags() {
+        return tags;
+    }
+
+    public void setTags(List<String> tags) {
+        this.tags = tags;
+    }
+
+    public String getNote() {
+        return note;
+    }
+
+    public void setNote(String note) {
+        this.note = note;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public void setAuthor(String author) {
+        this.author = author;
+    }
+
+    public String getVideoUrl() {
+        return videoUrl;
+    }
+
+    public void setVideoUrl(String videoUrl) {
+        this.videoUrl = videoUrl;
+    }
+}
+