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Creating a Facebook Clone - Part XX.pdf

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ShaiAlmog1

The document outlines the implementation of a Facebook clone, focused on user notifications and newsfeeds. It includes class definitions for managing notifications, newsfeeds, and shadow users with attributes such as user relationships, content, and timestamps. The design emphasizes the structure and data interactions required for a social media platform's backend functionality.

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Creating a Facebook Clone - Part XX
@Entity public class Notification { @Id private String id; @ManyToOne private User user; private String text; private String reaction; private int reactionColor; private long date; private boolean wasRead; private String postId; private String commentId; public Notification() { id = UUID.randomUUID().toString(); } public NotificationDAO getDAO() { return new NotificationDAO(id, user.getDAO(), text, reaction, Notification
@Entity public class Notification { @Id private String id; @ManyToOne private User user; private String text; private String reaction; private int reactionColor; private long date; private boolean wasRead; private String postId; private String commentId; public Notification() { id = UUID.randomUUID().toString(); } public NotificationDAO getDAO() { return new NotificationDAO(id, user.getDAO(), text, reaction, Notification
private long date; private boolean wasRead; private String postId; private String commentId; public Notification() { id = UUID.randomUUID().toString(); } public NotificationDAO getDAO() { return new NotificationDAO(id, user.getDAO(), text, reaction, reactionColor, date, wasRead, postId, commentId); } public String getId() { return id; } public void setId(String id) { this.id = id; } public User getUser() { return user; } public void setUser(User user) { this.user = user; Notification
return date; } public void setDate(long date) { this.date = date; } public boolean isWasRead() { return wasRead; } public void setWasRead(boolean wasRead) { this.wasRead = wasRead; } public String getPostId() { return postId; } public void setPostId(String postId) { this.postId = postId; } public String getCommentId() { return commentId; } public void setCommentId(String commentId) { this.commentId = commentId; } } Notification
public class NotificationDAO { private String id; private UserDAO user; private String text; private String reaction; private int reactionColor; private long date; private boolean wasRead; private String postId; private String commentId; public NotificationDAO() { } public NotificationDAO(String id, UserDAO user, String text, String reaction, int reactionColor, long date, boolean wasRead, String postId, String commentId) { this.id = id; this.user = user; this.text = text; NotificationDAO
return date; } public void setDate(long date) { this.date = date; } public boolean isWasRead() { return wasRead; } public void setWasRead(boolean wasRead) { this.wasRead = wasRead; } public String getPostId() { return postId; } public void setPostId(String postId) { this.postId = postId; } public String getCommentId() { return commentId; } public void setCommentId(String commentId) { this.commentId = commentId; } } NotificationDAO
Newsfeed ✦Why Newsfeed Entity? ✦Consistency ✦Tune Experience © Codename One 2017 all rights reserved
@Entity public class Newsfeed { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; @ManyToOne private User parent; @ManyToOne private Post entry; private long postDay; private long postTimestamp; private int rank; public Newsfeed() { } public Long getId() { return id; } public void setId(Long id) { Newsfeed
@Entity public class Newsfeed { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; @ManyToOne private User parent; @ManyToOne private Post entry; private long postDay; private long postTimestamp; private int rank; public Newsfeed() { } public Long getId() { return id; } public void setId(Long id) { Newsfeed
@Entity public class Newsfeed { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; @ManyToOne private User parent; @ManyToOne private Post entry; private long postDay; private long postTimestamp; private int rank; public Newsfeed() { } public Long getId() { return id; } public void setId(Long id) { Newsfeed
@Entity public class Newsfeed { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; @ManyToOne private User parent; @ManyToOne private Post entry; private long postDay; private long postTimestamp; private int rank; public Newsfeed() { } public Long getId() { return id; } public void setId(Long id) { Newsfeed
@Entity public class Newsfeed { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; @ManyToOne private User parent; @ManyToOne private Post entry; private long postDay; private long postTimestamp; private int rank; public Newsfeed() { } public Long getId() { return id; } public void setId(Long id) { Newsfeed
private User parent; @ManyToOne private Post entry; private long postDay; private long postTimestamp; private int rank; public Newsfeed() { } public Long getId() { return id; } public void setId(Long id) { this.id = id; } public User getParent() { return parent; } public void setParent(User parent) { this.parent = parent; } public Post getEntry() { return entry; } Newsfeed
return entry; } public void setEntry(Post entry) { this.entry = entry; } public int getRank() { return rank; } public void setRank(int rank) { this.rank = rank; } public long getPostDay() { return postDay; } public void setPostDay(long postDay) { this.postDay = postDay; } public long getPostTimestamp() { return postTimestamp; } public void setPostTimestamp(long postTimestamp) { this.postTimestamp = postTimestamp; } } Newsfeed
public interface NewsfeedRepository extends CrudRepository<Newsfeed, Long>{ @Query("select n from Newsfeed n where n.parent.authtoken = ?1") public Page<Newsfeed> findNewsfeedForUser( String auth, Pageable page); } NewsfeedRepository
@Entity public class ShadowUser { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; private String fullName; private String phone; private String email; private String secondaryPhone; @ManyToOne private User owner; public ShadowUser() { } public ShadowUser(ShadowUserDAO dao, User owner) { this.fullName = dao.getFullName(); this.phone = dao.getPhone(); this.email = dao.getEmail(); ShadowUser
@Entity public class ShadowUser { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; private String fullName; private String phone; private String email; private String secondaryPhone; @ManyToOne private User owner; public ShadowUser() { } public ShadowUser(ShadowUserDAO dao, User owner) { this.fullName = dao.getFullName(); this.phone = dao.getPhone(); this.email = dao.getEmail(); ShadowUser
@Entity public class ShadowUser { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; private String fullName; private String phone; private String email; private String secondaryPhone; @ManyToOne private User owner; public ShadowUser() { } public ShadowUser(ShadowUserDAO dao, User owner) { this.fullName = dao.getFullName(); this.phone = dao.getPhone(); this.email = dao.getEmail(); ShadowUser
@GeneratedValue(strategy=GenerationType.AUTO) private Long id; private String fullName; private String phone; private String email; private String secondaryPhone; @ManyToOne private User owner; public ShadowUser() { } public ShadowUser(ShadowUserDAO dao, User owner) { this.fullName = dao.getFullName(); this.phone = dao.getPhone(); this.email = dao.getEmail(); this.secondaryPhone = dao.getSecondaryPhone(); this.owner = owner; } public Long getId() { return id; } public void setId(Long id) { ShadowUser
return phone; } public void setPhone(String phone) { this.phone = phone; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public String getSecondaryPhone() { return secondaryPhone; } public void setSecondaryPhone(String secondaryPhone) { this.secondaryPhone = secondaryPhone; } public User getOwner() { return owner; } public void setOwner(User owner) { this.owner = owner; } } ShadowUser
public class ShadowUserDAO { private String fullName; private String phone; private String email; private String secondaryPhone; public ShadowUserDAO() { } public String getFullName() { return fullName; } public void setFullName(String fullName) { this.fullName = fullName; } public String getPhone() { return phone; } public void setPhone(String phone) { this.phone = phone; } public String getEmail() { ShadowUserDAO
return fullName; } public void setFullName(String fullName) { this.fullName = fullName; } public String getPhone() { return phone; } public void setPhone(String phone) { this.phone = phone; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public String getSecondaryPhone() { return secondaryPhone; } public void setSecondaryPhone(String secondaryPhone) { this.secondaryPhone = secondaryPhone; } } ShadowUserDAO
public interface ShadowUserRepository extends CrudRepository<ShadowUser, Long> { @Query("select n from ShadowUser n where n.owner.authtoken = ?1") public List<ShadowUser> findShadowUsers(String auth); @Query("select n from ShadowUser n where n.phone = ?1 or " + "n.secondaryPhone = ?1") public List<ShadowUser> findByPhone(String phone); @Query("select n from ShadowUser n where n.email = ?1") public List<ShadowUser> findByEmail(String email); @Query("select count(n) from ShadowUser n where " + "n.owner.authtoken = ?1") public Long countByUser(String auth); @Query("select n from ShadowUser n where n.owner.authtoken = ?1 and " + "n.fullName = ?2") public List<ShadowUser> findByFullName(String auth, String fullName); } ShadowUserRepository
public interface ShadowUserRepository extends CrudRepository<ShadowUser, Long> { @Query("select n from ShadowUser n where n.owner.authtoken = ?1") public List<ShadowUser> findShadowUsers(String auth); @Query("select n from ShadowUser n where n.phone = ?1 or " + "n.secondaryPhone = ?1") public List<ShadowUser> findByPhone(String phone); @Query("select n from ShadowUser n where n.email = ?1") public List<ShadowUser> findByEmail(String email); @Query("select count(n) from ShadowUser n where " + "n.owner.authtoken = ?1") public Long countByUser(String auth); @Query("select n from ShadowUser n where n.owner.authtoken = ?1 and " + "n.fullName = ?2") public List<ShadowUser> findByFullName(String auth, String fullName); } ShadowUserRepository
public interface ShadowUserRepository extends CrudRepository<ShadowUser, Long> { @Query("select n from ShadowUser n where n.owner.authtoken = ?1") public List<ShadowUser> findShadowUsers(String auth); @Query("select n from ShadowUser n where n.phone = ?1 or " + "n.secondaryPhone = ?1") public List<ShadowUser> findByPhone(String phone); @Query("select n from ShadowUser n where n.email = ?1") public List<ShadowUser> findByEmail(String email); @Query("select count(n) from ShadowUser n where " + "n.owner.authtoken = ?1") public Long countByUser(String auth); @Query("select n from ShadowUser n where n.owner.authtoken = ?1 and " + "n.fullName = ?2") public List<ShadowUser> findByFullName(String auth, String fullName); } ShadowUserRepository

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Creating a Facebook Clone - Part XX.pdf

  • 1. Creating a Facebook Clone - Part XX
  • 2. @Entity public class Notification { @Id private String id; @ManyToOne private User user; private String text; private String reaction; private int reactionColor; private long date; private boolean wasRead; private String postId; private String commentId; public Notification() { id = UUID.randomUUID().toString(); } public NotificationDAO getDAO() { return new NotificationDAO(id, user.getDAO(), text, reaction, Notification
  • 3. @Entity public class Notification { @Id private String id; @ManyToOne private User user; private String text; private String reaction; private int reactionColor; private long date; private boolean wasRead; private String postId; private String commentId; public Notification() { id = UUID.randomUUID().toString(); } public NotificationDAO getDAO() { return new NotificationDAO(id, user.getDAO(), text, reaction, Notification
  • 4. private long date; private boolean wasRead; private String postId; private String commentId; public Notification() { id = UUID.randomUUID().toString(); } public NotificationDAO getDAO() { return new NotificationDAO(id, user.getDAO(), text, reaction, reactionColor, date, wasRead, postId, commentId); } public String getId() { return id; } public void setId(String id) { this.id = id; } public User getUser() { return user; } public void setUser(User user) { this.user = user; Notification
  • 5. return date; } public void setDate(long date) { this.date = date; } public boolean isWasRead() { return wasRead; } public void setWasRead(boolean wasRead) { this.wasRead = wasRead; } public String getPostId() { return postId; } public void setPostId(String postId) { this.postId = postId; } public String getCommentId() { return commentId; } public void setCommentId(String commentId) { this.commentId = commentId; } } Notification
  • 6. public class NotificationDAO { private String id; private UserDAO user; private String text; private String reaction; private int reactionColor; private long date; private boolean wasRead; private String postId; private String commentId; public NotificationDAO() { } public NotificationDAO(String id, UserDAO user, String text, String reaction, int reactionColor, long date, boolean wasRead, String postId, String commentId) { this.id = id; this.user = user; this.text = text; NotificationDAO
  • 7. return date; } public void setDate(long date) { this.date = date; } public boolean isWasRead() { return wasRead; } public void setWasRead(boolean wasRead) { this.wasRead = wasRead; } public String getPostId() { return postId; } public void setPostId(String postId) { this.postId = postId; } public String getCommentId() { return commentId; } public void setCommentId(String commentId) { this.commentId = commentId; } } NotificationDAO
  • 8. Newsfeed ✦Why Newsfeed Entity? ✦Consistency ✦Tune Experience © Codename One 2017 all rights reserved
  • 9. @Entity public class Newsfeed { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; @ManyToOne private User parent; @ManyToOne private Post entry; private long postDay; private long postTimestamp; private int rank; public Newsfeed() { } public Long getId() { return id; } public void setId(Long id) { Newsfeed
  • 10. @Entity public class Newsfeed { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; @ManyToOne private User parent; @ManyToOne private Post entry; private long postDay; private long postTimestamp; private int rank; public Newsfeed() { } public Long getId() { return id; } public void setId(Long id) { Newsfeed
  • 11. @Entity public class Newsfeed { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; @ManyToOne private User parent; @ManyToOne private Post entry; private long postDay; private long postTimestamp; private int rank; public Newsfeed() { } public Long getId() { return id; } public void setId(Long id) { Newsfeed
  • 12. @Entity public class Newsfeed { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; @ManyToOne private User parent; @ManyToOne private Post entry; private long postDay; private long postTimestamp; private int rank; public Newsfeed() { } public Long getId() { return id; } public void setId(Long id) { Newsfeed
  • 13. @Entity public class Newsfeed { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; @ManyToOne private User parent; @ManyToOne private Post entry; private long postDay; private long postTimestamp; private int rank; public Newsfeed() { } public Long getId() { return id; } public void setId(Long id) { Newsfeed
  • 14. private User parent; @ManyToOne private Post entry; private long postDay; private long postTimestamp; private int rank; public Newsfeed() { } public Long getId() { return id; } public void setId(Long id) { this.id = id; } public User getParent() { return parent; } public void setParent(User parent) { this.parent = parent; } public Post getEntry() { return entry; } Newsfeed
  • 15. return entry; } public void setEntry(Post entry) { this.entry = entry; } public int getRank() { return rank; } public void setRank(int rank) { this.rank = rank; } public long getPostDay() { return postDay; } public void setPostDay(long postDay) { this.postDay = postDay; } public long getPostTimestamp() { return postTimestamp; } public void setPostTimestamp(long postTimestamp) { this.postTimestamp = postTimestamp; } } Newsfeed
  • 16. public interface NewsfeedRepository extends CrudRepository<Newsfeed, Long>{ @Query("select n from Newsfeed n where n.parent.authtoken = ?1") public Page<Newsfeed> findNewsfeedForUser( String auth, Pageable page); } NewsfeedRepository
  • 17. @Entity public class ShadowUser { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; private String fullName; private String phone; private String email; private String secondaryPhone; @ManyToOne private User owner; public ShadowUser() { } public ShadowUser(ShadowUserDAO dao, User owner) { this.fullName = dao.getFullName(); this.phone = dao.getPhone(); this.email = dao.getEmail(); ShadowUser
  • 18. @Entity public class ShadowUser { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; private String fullName; private String phone; private String email; private String secondaryPhone; @ManyToOne private User owner; public ShadowUser() { } public ShadowUser(ShadowUserDAO dao, User owner) { this.fullName = dao.getFullName(); this.phone = dao.getPhone(); this.email = dao.getEmail(); ShadowUser
  • 19. @Entity public class ShadowUser { @Id @GeneratedValue(strategy=GenerationType.AUTO) private Long id; private String fullName; private String phone; private String email; private String secondaryPhone; @ManyToOne private User owner; public ShadowUser() { } public ShadowUser(ShadowUserDAO dao, User owner) { this.fullName = dao.getFullName(); this.phone = dao.getPhone(); this.email = dao.getEmail(); ShadowUser
  • 20. @GeneratedValue(strategy=GenerationType.AUTO) private Long id; private String fullName; private String phone; private String email; private String secondaryPhone; @ManyToOne private User owner; public ShadowUser() { } public ShadowUser(ShadowUserDAO dao, User owner) { this.fullName = dao.getFullName(); this.phone = dao.getPhone(); this.email = dao.getEmail(); this.secondaryPhone = dao.getSecondaryPhone(); this.owner = owner; } public Long getId() { return id; } public void setId(Long id) { ShadowUser
  • 21. return phone; } public void setPhone(String phone) { this.phone = phone; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public String getSecondaryPhone() { return secondaryPhone; } public void setSecondaryPhone(String secondaryPhone) { this.secondaryPhone = secondaryPhone; } public User getOwner() { return owner; } public void setOwner(User owner) { this.owner = owner; } } ShadowUser
  • 22. public class ShadowUserDAO { private String fullName; private String phone; private String email; private String secondaryPhone; public ShadowUserDAO() { } public String getFullName() { return fullName; } public void setFullName(String fullName) { this.fullName = fullName; } public String getPhone() { return phone; } public void setPhone(String phone) { this.phone = phone; } public String getEmail() { ShadowUserDAO
  • 23. return fullName; } public void setFullName(String fullName) { this.fullName = fullName; } public String getPhone() { return phone; } public void setPhone(String phone) { this.phone = phone; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public String getSecondaryPhone() { return secondaryPhone; } public void setSecondaryPhone(String secondaryPhone) { this.secondaryPhone = secondaryPhone; } } ShadowUserDAO
  • 24. public interface ShadowUserRepository extends CrudRepository<ShadowUser, Long> { @Query("select n from ShadowUser n where n.owner.authtoken = ?1") public List<ShadowUser> findShadowUsers(String auth); @Query("select n from ShadowUser n where n.phone = ?1 or " + "n.secondaryPhone = ?1") public List<ShadowUser> findByPhone(String phone); @Query("select n from ShadowUser n where n.email = ?1") public List<ShadowUser> findByEmail(String email); @Query("select count(n) from ShadowUser n where " + "n.owner.authtoken = ?1") public Long countByUser(String auth); @Query("select n from ShadowUser n where n.owner.authtoken = ?1 and " + "n.fullName = ?2") public List<ShadowUser> findByFullName(String auth, String fullName); } ShadowUserRepository
  • 25. public interface ShadowUserRepository extends CrudRepository<ShadowUser, Long> { @Query("select n from ShadowUser n where n.owner.authtoken = ?1") public List<ShadowUser> findShadowUsers(String auth); @Query("select n from ShadowUser n where n.phone = ?1 or " + "n.secondaryPhone = ?1") public List<ShadowUser> findByPhone(String phone); @Query("select n from ShadowUser n where n.email = ?1") public List<ShadowUser> findByEmail(String email); @Query("select count(n) from ShadowUser n where " + "n.owner.authtoken = ?1") public Long countByUser(String auth); @Query("select n from ShadowUser n where n.owner.authtoken = ?1 and " + "n.fullName = ?2") public List<ShadowUser> findByFullName(String auth, String fullName); } ShadowUserRepository
  • 26. public interface ShadowUserRepository extends CrudRepository<ShadowUser, Long> { @Query("select n from ShadowUser n where n.owner.authtoken = ?1") public List<ShadowUser> findShadowUsers(String auth); @Query("select n from ShadowUser n where n.phone = ?1 or " + "n.secondaryPhone = ?1") public List<ShadowUser> findByPhone(String phone); @Query("select n from ShadowUser n where n.email = ?1") public List<ShadowUser> findByEmail(String email); @Query("select count(n) from ShadowUser n where " + "n.owner.authtoken = ?1") public Long countByUser(String auth); @Query("select n from ShadowUser n where n.owner.authtoken = ?1 and " + "n.fullName = ?2") public List<ShadowUser> findByFullName(String auth, String fullName); } ShadowUserRepository