Added Section Service

src/main/java/com/school/project/model/Course.java

@@ -41,5 +41,6 @@ public class Course {
     private Set<Teacher> teacherList;
 
     @OneToMany(mappedBy = "course",cascade = CascadeType.ALL,fetch = FetchType.LAZY)
+    @JsonIgnore
     private List<Assessment> assessment;
 }

src/main/java/com/school/project/model/marks/Assessment.java

@@ -36,10 +36,8 @@ public class Assessment {
     @JsonIgnore
     private Course course;
 
-    @OneToMany(cascade = CascadeType.MERGE, fetch = FetchType.LAZY,orphanRemoval = true)
-    @JoinTable(name = "assessment_sections",
-    joinColumns = {@JoinColumn(name = "assessment_id")},
-    inverseJoinColumns = {@JoinColumn(name = "section_id")})
+
+    @OneToMany(mappedBy = "assessment",fetch = FetchType.LAZY)
     @JsonIgnore
     private List<Section> section;
 }

src/main/java/com/school/project/model/marks/Section.java

@@ -6,6 +6,7 @@ import lombok.Getter;
 import lombok.Setter;
 
 import javax.persistence.*;
+import java.util.Set;
 
 @Getter
 @Setter
@@ -28,13 +29,14 @@ public class Section {
 
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinTable(name = "assessment_sections",
-            joinColumns = {@JoinColumn(name = "assessment_id",insertable = false,updatable = false)},
-            inverseJoinColumns = {@JoinColumn(name = "section_id",insertable = false,updatable = false)})
+    joinColumns = {@JoinColumn(name = "section_id")},
+    inverseJoinColumns = {@JoinColumn(name = "assessment_id")})
+    @JsonIgnore
     private Assessment assessment;
 
-    @OneToOne(mappedBy = "section",cascade = CascadeType.ALL,fetch = FetchType.LAZY)
+    @OneToMany(mappedBy = "section",cascade = CascadeType.ALL,fetch = FetchType.LAZY)
     @JsonIgnore
-    private StudentMarks studentMarks;
+    private Set<StudentMarks> studentMarks;
 }
 
 

src/main/java/com/school/project/model/marks/StudentMarks.java

@@ -26,7 +26,7 @@ public class StudentMarks {
     @NotNull
     private Student student;
 
-    @OneToOne(fetch = FetchType.LAZY,cascade = CascadeType.ALL)
+    @ManyToOne(fetch = FetchType.LAZY,cascade = CascadeType.ALL)
     @JoinColumn(name = "section_id")
     @NotNull
     private Section section;

src/main/resources/application.properties

@@ -2,7 +2,8 @@
 spring.jpa.hibernate.ddl-auto=update
 spring.datasource.url=jdbc:mysql://localhost:3306/school-portal
 spring.datasource.username=root
-spring.datasource.password=charlie123
+spring.datasource.password=root
+
 
 spring.security.user.name= sulemantalpur6@gmail.com
 spring.security.user.password=charlie
@@ -12,4 +13,4 @@ spring.mvc.view.prefix=/static
 
 server.error.include-message=always
 
-spring.datasource.data=data.sql
\ No newline at end of file
+spring.datasource.data=classpath:data.sql
\ No newline at end of file