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src/main/java/com/pmu/betengine/model/Course.java

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+package com.pmu.betengine.model;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.pmu.betengine.model.statut.StatutCourse;
+import jakarta.persistence.*;
+import jakarta.validation.constraints.Pattern;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Entity
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+@Table(name = "course")
+public class Course {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    private String numero;
+    @OneToOne
+    private Reunion reunion;
+    @Pattern(regexp = "^\\d{2}/\\d{2}/\\d{4}$", message = "La date  doit être au format dd/MM/yyyy HH:mm:ss")
+    @JsonFormat(pattern = "dd/MM/yyyy HH:mm:ss", shape = JsonFormat.Shape.STRING)
+    @Column(name = "heure_course")
+    private LocalDateTime heureCourse;
+    private String lieu;
+    private int nombreChevauxInscrits;
+    private boolean estTerminee;
+    private boolean estAnnulee;
+    private boolean aDeadHeat;
+
+    @Enumerated(EnumType.STRING)
+    private StatutCourse statut;
+
+    @OneToOne(mappedBy = "course")
+    private Resultat resultat;
+
+    @OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL)
+    @JoinTable(name = "course_chevaux",
+            joinColumns = @JoinColumn(name = "course_id"),
+            inverseJoinColumns = @JoinColumn(name = "cheval_id"))
+    private List<Cheval> chevaux;
+
+    @OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL,mappedBy = "course")
+    private List<Pari> paris;
+    public boolean estEligiblePourTrioOrdre() {
+        return chevaux != null && chevaux.size() >= 3 && chevaux.size() <= 7;
+    }
+}