Remove duplicate users

src/main/java/info/fingo/urlopia/acceptance/Acceptance.java

@@ -18,7 +18,7 @@ public class Acceptance {
     @JoinColumn(nullable = false)
     private Request request;
 
-    @OneToOne
+    @OneToOne(cascade = CascadeType.ALL)
     @JoinColumn(nullable = false)
     private User leader;
 

src/main/java/info/fingo/urlopia/api/v2/automatic/vacation/days/model/AutomaticVacationDay.java

@@ -30,7 +30,7 @@ public class AutomaticVacationDay {
     @Column(nullable = false)
     private Double nextYearHoursProposition = 0.0;
 
-    @ManyToOne
+    @ManyToOne(cascade = CascadeType.ALL)
     @JoinColumn(nullable = false)
     private User user;
 

src/main/java/info/fingo/urlopia/history/HistoryLog.java

@@ -23,11 +23,11 @@ public class HistoryLog {   // TODO: Think about removing all relations from log
     @Column(nullable = false)
     private LocalDateTime created;
 
-    @ManyToOne
+    @ManyToOne(cascade = CascadeType.ALL)
     @JoinColumn(nullable = false)
     private User user;
 
-    @ManyToOne
+    @ManyToOne(cascade = CascadeType.ALL)
     private User decider;       // TODO: change to list of deciders
 
     @ManyToOne

src/main/java/info/fingo/urlopia/request/Request.java

@@ -27,7 +27,7 @@ public class Request {
     @Column(nullable = false)
     private LocalDateTime modified;
 
-    @ManyToOne
+    @ManyToOne(cascade = CascadeType.ALL)
     @JoinColumn(nullable = false)
     private User requester;
 

src/main/java/info/fingo/urlopia/team/Team.java

@@ -15,7 +15,7 @@ public class Team {
     @Column(nullable = false)
     private String adName;
 
-    @ManyToOne
+    @ManyToOne(cascade = CascadeType.ALL)
     private User leader;
 
     @ManyToMany(cascade = CascadeType.PERSIST)

src/main/resources/scripts/U3_5_0_7__remove_duplicate_users.sql

@@ -0,0 +1 @@
+-- no rollback script for this

src/main/resources/scripts/U3_5_0_8__make_account_name_unique.sql

@@ -0,0 +1 @@
+DROP INDEX IF EXISTS users_account_name_unique_index;

src/main/resources/scripts/V3_5_0_7__remove_duplicate_users.sql

@@ -0,0 +1,42 @@
+ALTER TABLE acceptances DROP CONSTRAINT acceptances_leader_id_fkey;
+ALTER TABLE acceptances ADD CONSTRAINT acceptances_leader_id_fkey FOREIGN KEY (leader_id) REFERENCES users(id) ON DELETE CASCADE;
+
+ALTER TABLE acceptances DROP CONSTRAINT acceptances_request_id_fkey;
+ALTER TABLE acceptances ADD CONSTRAINT acceptances_request_id_fkey FOREIGN KEY (request_id) REFERENCES requests(id) ON DELETE CASCADE;
+
+ALTER TABLE automatic_vacation_days DROP CONSTRAINT automatic_vacation_days_user_id_fkey;
+ALTER TABLE automatic_vacation_days ADD CONSTRAINT automatic_vacation_days_user_id_fkey FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;
+
+ALTER TABLE history_logs DROP CONSTRAINT history_logs_user_id_fkey;
+ALTER TABLE history_logs ADD CONSTRAINT history_logs_user_id_fkey FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;
+
+ALTER TABLE history_logs DROP CONSTRAINT history_logs_decider_id_fkey;
+ALTER TABLE history_logs ADD CONSTRAINT history_logs_decider_id_fkey FOREIGN KEY (decider_id) REFERENCES users(id) ON DELETE SET NULL;
+
+ALTER TABLE history_logs DROP CONSTRAINT history_logs_prev_history_log_id_fkey;
+ALTER TABLE history_logs ADD CONSTRAINT history_logs_prev_history_log_id_fkey FOREIGN KEY (prev_history_log_id) REFERENCES history_logs(id) ON DELETE SET NULL;
+
+ALTER TABLE history_logs DROP CONSTRAINT history_logs_request_id_fkey;
+ALTER TABLE history_logs ADD CONSTRAINT history_logs_request_id_fkey FOREIGN KEY (request_id) REFERENCES requests(id) ON DELETE SET NULL;
+
+ALTER TABLE presence_confirmations DROP CONSTRAINT presence_confirmations_user_id_fkey;
+ALTER TABLE presence_confirmations ADD CONSTRAINT presence_confirmations_user_id_fkey FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;
+
+ALTER TABLE requests DROP CONSTRAINT requests_requester_id_fkey;
+ALTER TABLE requests ADD CONSTRAINT requests_requester_id_fkey FOREIGN KEY (requester_id) REFERENCES users(id) ON DELETE CASCADE;
+
+ALTER TABLE teams DROP CONSTRAINT teams_leader_id_fkey;
+ALTER TABLE teams ADD CONSTRAINT teams_leader_id_fkey FOREIGN KEY (leader_id) REFERENCES users(id) ON DELETE SET NULL;
+
+ALTER TABLE user_working_hours_preference DROP CONSTRAINT user_working_hours_preference_user_id_fkey;
+ALTER TABLE user_working_hours_preference ADD CONSTRAINT user_working_hours_preference_user_id_fkey FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;
+
+ALTER TABLE users_teams DROP CONSTRAINT users_teams_user_id_fkey;
+ALTER TABLE users_teams ADD CONSTRAINT users_teams_user_id_fkey FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;
+
+ALTER TABLE users_teams DROP CONSTRAINT users_teams_team_id_fkey;
+ALTER TABLE users_teams ADD CONSTRAINT users_teams_team_id_fkey FOREIGN KEY (team_id) REFERENCES teams(name) ON DELETE CASCADE;
+
+WITH CTE AS (SELECT id, ROW_NUMBER() OVER (PARTITION BY account_name ORDER BY id) AS rn FROM users)
+DELETE FROM users
+WHERE id IN (SELECT id FROM CTE WHERE rn > 1);

src/main/resources/scripts/V3_5_0_8__make_account_name_unique.sql

@@ -0,0 +1,3 @@
+CREATE UNIQUE INDEX users_account_name_unique_index
+ON users (account_name)
+WHERE account_name IS NOT NULL;