invited model finally works

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Device.java

@@ -61,7 +61,7 @@ public abstract class Device {
 
     @OneToMany(mappedBy = "device", orphanRemoval = true)
     @GsonExclude
-    private Set<State> states = new HashSet<>();
+    private Set<State<?>> states = new HashSet<>();
 
     public long getId() {
         return id;

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Invited.java

@@ -1,32 +0,0 @@
-package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
-
-import javax.persistence.*;
-import javax.validation.constraints.NotNull;
-
-/** Represents a recursive invitation relationship between two users. */
-@Entity
-public class Invited {
-
-    /** Guests that have been invited to the host's house */
-    @ManyToOne
-    @JoinColumn(name = "guests")
-    private User guest;
-
-    /** Host ID */
-    @Id
-    @Column(nullable = false)
-    private int hostId;
-
-    /**
-     * Probably unnecessary, Invited can be identified through the Host ID and the IDs from the
-     * guests collection which we can query for
-     */
-    //    @Id @Column
-    //    private int guestId;
-
-    /** Determines whether a guest can access security cameras */
-    @Column @NotNull private boolean cameraEnabled;
-
-    /** Determines whether a guest can access scenes */
-    @Column @NotNull private boolean sceneEnabled;
-}

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/User.java

@@ -2,9 +2,11 @@ package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
 
 import ch.usi.inf.sa4.sanmarinoes.smarthut.config.GsonExclude;
 import io.swagger.annotations.ApiModelProperty;
+import java.util.HashSet;
 import java.util.Objects;
 import java.util.Set;
 import javax.persistence.*;
+import javax.validation.constraints.NotNull;
 
 /** A user of the Smarthut application */
 @Entity(name = "smarthutuser")
@@ -36,9 +38,28 @@ public class User {
     @Column(nullable = false, unique = true)
     private String email;
 
-    /** A host user who can invite guests to their smart house */
-    @OneToMany(mappedBy = "guest")
-    private Set<Invited> guests;
+    /** Guests invited by this user */
+    @ManyToMany(cascade = CascadeType.DETACH)
+    @JoinTable(
+            name = "invited",
+            joinColumns = @JoinColumn(name = "host_id"),
+            inverseJoinColumns = @JoinColumn(name = "guest_id"))
+    @GsonExclude
+    private Set<User> guests = new HashSet<>();
+
+    @ManyToMany(cascade = CascadeType.DETACH)
+    @JoinTable(
+            name = "invited",
+            joinColumns = @JoinColumn(name = "guest_id"),
+            inverseJoinColumns = @JoinColumn(name = "host_id"))
+    @GsonExclude
+    private Set<User> hosts = new HashSet<>();
+
+    /** Determines whether a guest can access security cameras */
+    @Column @NotNull private boolean cameraEnabled;
+
+    /** Determines whether a guest can access scenes */
+    @Column @NotNull private boolean sceneEnabled;
 
     @Column(nullable = false)
     @GsonExclude