Merge pull request #16 from UdL-EPS-SoftArch/feat/proposal

Implemented Proposal class

src/main/java/cat/udl/eps/softarch/tfgfinder/domain/Proposal.java

@@ -0,0 +1,49 @@
+package cat.udl.eps.softarch.tfgfinder.domain;
+
+import java.util.Collection;
+import jakarta.persistence.*;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+
+
+@Entity
+@EqualsAndHashCode(callSuper=true)
+@Data
+
+public class Proposal extends UriEntity<Long> {
+
+    @Id
+    @GeneratedValue()
+    private Long id;
+
+
+    @NotBlank
+    @Size(min = 12, max = 120)
+    private String title;
+
+    @NotBlank
+    @Size(min = 50, max = 500)
+    private String description;
+
+    @NotBlank
+    @Size(min = 5, max = 50)
+    private String timing;
+
+    @NotBlank
+    @Size(min = 5, max = 50)
+    private String speciality;
+
+    @NotBlank
+    @Size(min = 5, max = 50)
+    private String kind;
+
+    @ElementCollection
+    private Collection<String> keywords;
+
+    @ManyToOne
+    private User user; // Reference to the User entity
+
+}