diff --git a/back-skeleton/initdb/1_TABLES.sql b/back-skeleton/initdb/1_TABLES.sql
new file mode 100644
index 0000000000000000000000000000000000000000..41a112f00f367c34f469e63b2c04f61036405f9d
--- /dev/null
+++ b/back-skeleton/initdb/1_TABLES.sql
@@ -0,0 +1,29 @@
+create table students
+(
+ id SERIAL PRIMARY KEY,
+ first_name TEXT not null,
+ last_name TEXT not null,
+ birthdate date null,
+ major_id int null
+);
+
+create table majors
+(
+ id SERIAL PRIMARY KEY,
+ name TEXT not null,
+ description TEXT not null
+);
+
+create table courses
+(
+ id SERIAL PRIMARY KEY,
+ name TEXT not null,
+ hours int not null
+);
+
+create table student_course
+(
+ id SERIAL PRIMARY KEY,
+ student_id int not null,
+ course_id int not null
+);
diff --git a/back-skeleton/initdb/2_DEFAULT_ENTRIES.sql b/back-skeleton/initdb/2_DEFAULT_ENTRIES.sql
new file mode 100644
index 0000000000000000000000000000000000000000..8cc78f609f6c7767f00c7b8015519ea10cb3eae5
--- /dev/null
+++ b/back-skeleton/initdb/2_DEFAULT_ENTRIES.sql
@@ -0,0 +1,8 @@
+INSERT INTO majors (id, name, description) VALUES (1, 'MIN', 'Ouaiiis du code partout');
+
+INSERT INTO students (id, first_name, last_name, birthdate, major_id) VALUES (1, 'Paul', 'Harrohide', '2002-06-15', 1);
+
+INSERT INTO courses (id, name, hours) VALUES (1, 'Java', 30);
+INSERT INTO student_course (id, student_id, course_id) VALUES (1, 1, 1);
+
+
diff --git a/back-skeleton/pom.xml b/back-skeleton/pom.xml
index 9c08aa8f2eb5604c9ee19a31340788fd4e4d7fe2..6621302882fbfa0a590f8822b56e2806c602417a 100644
--- a/back-skeleton/pom.xml
+++ b/back-skeleton/pom.xml
@@ -15,6 +15,7 @@
<description>Skeleton of an API project</description>
<properties>
<java.version>17</java.version>
+ <lombok.version>1.18.20</lombok.version>
</properties>
<dependencies>
<dependency>
@@ -36,6 +37,12 @@
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
+ <dependency>
+ <groupId>org.projectlombok</groupId>
+ <artifactId>lombok</artifactId>
+ <version>${lombok.version}</version>
+ <scope>provided</scope>
+ </dependency>
</dependencies>
<build>
diff --git a/back-skeleton/src/main/java/com/takima/backskeleton/models/Course.java b/back-skeleton/src/main/java/com/takima/backskeleton/models/Course.java
new file mode 100644
index 0000000000000000000000000000000000000000..a420a6951fd0eed71c043f84ec0732a0746f95fc
--- /dev/null
+++ b/back-skeleton/src/main/java/com/takima/backskeleton/models/Course.java
@@ -0,0 +1,19 @@
+package com.takima.backskeleton.models;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import lombok.Builder;
+import lombok.NoArgsConstructor;
+
+@Entity(name = "courses")
+@NoArgsConstructor
+public class Course {
+ @Id
+ @GeneratedValue(strategy = GenerationType.IDENTITY)
+ private Long id;
+ private String name;
+ private Integer hours;
+
+}
diff --git a/back-skeleton/src/main/java/com/takima/backskeleton/models/Major.java b/back-skeleton/src/main/java/com/takima/backskeleton/models/Major.java
new file mode 100644
index 0000000000000000000000000000000000000000..6224e27fd4a751d23a6bb84fd9471d3c132ed616
--- /dev/null
+++ b/back-skeleton/src/main/java/com/takima/backskeleton/models/Major.java
@@ -0,0 +1,21 @@
+package com.takima.backskeleton.models;
+
+import jakarta.persistence.*;
+import lombok.Builder;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+@Entity(name = "majors")
+@NoArgsConstructor
+public class Major {
+ @Id
+ @GeneratedValue(strategy = GenerationType.IDENTITY)
+ private Long id;
+ private String name;
+ private String description;
+ @OneToMany(mappedBy = "major")
+ private List<Student> students;
+
+}
+
diff --git a/back-skeleton/src/main/java/com/takima/backskeleton/models/Student.java b/back-skeleton/src/main/java/com/takima/backskeleton/models/Student.java
new file mode 100644
index 0000000000000000000000000000000000000000..af85a479e153a086545282eb9a47ea6f388bce4e
--- /dev/null
+++ b/back-skeleton/src/main/java/com/takima/backskeleton/models/Student.java
@@ -0,0 +1,80 @@
+package com.takima.backskeleton.models;
+
+import jakarta.persistence.*;
+
+import java.time.Instant;
+import java.util.List;
+
+@Entity
+@Table(name= "students")
+public class Student {
+ @Id
+ @GeneratedValue(strategy = GenerationType.IDENTITY)
+ private Long id;
+ @Column(name = "first_name")
+ private String firstName;
+ @Column(name = "last_name")
+ private String lastName;
+ private Instant birthdate;
+ @ManyToMany(mappedBy="student")
+ @JoinTable(
+ name = "student_course",
+ joinColumns = @JoinColumn(name = "student_id"),
+ inverseJoinColumns = @JoinColumn(name = "course_id"))
+ private List<Course> courses;
+ @ManyToOne()
+ @JoinColumn(name = "major_id")
+ private Major major;
+
+ private Student(Builder builder) {
+ this.id = builder.id;
+ this.firstName = builder.firstName;
+ this.lastName = builder.lastName;
+ this.birthdate = builder.birthdate;
+ this.courses = builder.courses;
+ this.major = builder.major;
+ }
+ public Student(){
+ }
+
+ public static class Builder {
+ private final Long id;
+ private String firstName;
+ private String lastName;
+ private Instant birthdate;
+ private List<Course> courses;
+ private Major major;
+
+ public Builder(Long id) {
+ this.id = id;
+ }
+
+ public Builder firstName(String firstName) {
+ this.firstName = firstName;
+ return this;
+ }
+ public Builder lastName(String lastName) {
+ this.lastName = lastName;
+ return this;
+ }
+ public Builder courses(List<Course> courses) {
+ this.courses = courses;
+ return this;
+ }
+ public Builder major(Major major) {
+ this.major = major;
+ return this;
+ }
+ public Builder birthdate(Instant birthdate) {
+ this.birthdate = birthdate;
+ return this;
+ }
+
+ public Student build() {
+ return new Student(this);
+ }
+ }
+
+
+
+}