core/src/main/java/se/su/dsv/scipro/file/FileDescription.java

@@ -33,25 +33,40 @@ public class FileDescription extends DomainObject {
     public static final int FILES_PER_SUBDIRECTORY = 1000;
     public static final String FILE_ROOT = "/scipro-files";
 
+    // ----------------------------------------------------------------------------------
+    // Basic JPA-mappings
+    // ----------------------------------------------------------------------------------
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
-    @Column
+    @Basic
+    @Column(name = "name")
     private String name;
 
-    @Column
+    @Basic
+    @Column(name = "mime_type")
     private String mimeType;
 
-    @Column
+    @Basic
-    private String identifier;
+    @Column(name = "size")
-
-    @ManyToOne
-    @JoinColumn(name = "userId")
-    private User uploader;
-
     private long size;
 
+    @Basic
+    @Column(name = "file_identifier")
+    private String identifier;
+
+    // ----------------------------------------------------------------------------------
+    // JPA-mappings of foreign keys in this table (file_description) referencing
+    // other tables.
+    // ----------------------------------------------------------------------------------
+    @ManyToOne
+    @JoinColumn(name = "user_id", referencedColumnName = "id")
+    private User uploader;
+
+    // ----------------------------------------------------------------------------------
+    // JPA lifecycle methods
+    // ----------------------------------------------------------------------------------
     @PostRemove
     void removeActualData() {
         try {
@@ -63,6 +78,96 @@ public class FileDescription extends DomainObject {
         }
     }
 
+    // ----------------------------------------------------------------------------------
+    // Properties (Getters and Setters)
+    // ----------------------------------------------------------------------------------
+    @Override
+    public Long getId() {
+        return this.id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getMimeType() {
+        return this.mimeType;
+    }
+
+    public void setMimeType(String mimeType) {
+        this.mimeType = mimeType;
+    }
+
+    public long getSize() {
+        return this.size;
+    }
+
+    public void setSize(long size) {
+        this.size = size;
+    }
+
+    public String getIdentifier() {
+        return this.identifier;
+    }
+
+    public void setIdentifier(String identifier) {
+        this.identifier = identifier;
+    }
+
+    public User getUploader() {
+        return this.uploader;
+    }
+
+    public void setUploader(User uploader) {
+        this.uploader = uploader;
+    }
+
+    // ----------------------------------------------------------------------------------
+    // Methods Common To All Objects
+    // ----------------------------------------------------------------------------------
+    @Override
+    public boolean equals(final Object o) {
+        if (o == this) return true;
+        if (!(o instanceof FileDescription)) return false;
+        final FileDescription other = (FileDescription) o;
+        return other.canEqual(this)
+                && Objects.equals(this.getId(), other.getId());
+    }
+
+    @Override
+    public int hashCode() {
+        final int PRIME = 59;
+        int result = 1;
+        final Object $id = this.getId();
+        result = result * PRIME + ($id == null ? 43 : $id.hashCode());
+        return result;
+    }
+
+    // Todo
+    @Override
+    public String toString() {
+        if (name != null) {
+            return name;
+        } else {
+            return super.toString();
+        }
+    }
+
+    // ----------------------------------------------------------------------------------
+    // Other methods
+    // ----------------------------------------------------------------------------------
+    protected boolean canEqual(final Object other) {
+        return other instanceof FileDescription;
+    }
+
     public Path getPath0() {
         return FileSystems.getDefault().getPath(FILE_ROOT, getSubdirectory(), Long.toString(id));
     }
@@ -78,85 +183,4 @@ public class FileDescription extends DomainObject {
     public InputStream getData() throws IOException {
         return Files.newInputStream(getPath0());
     }
-
-    public String getName() {
-        return name;
-    }
-
-    // Todo
-    @Override
-    public String toString() {
-        if (name != null) {
-            return name;
-        } else {
-            return super.toString();
-        }
-    }
-
-    @Override
-    public Long getId() {
-        return this.id;
-    }
-
-    public String getMimeType() {
-        return this.mimeType;
-    }
-
-    public String getIdentifier() {
-        return this.identifier;
-    }
-
-    public User getUploader() {
-        return this.uploader;
-    }
-
-    public long getSize() {
-        return this.size;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public void setMimeType(String mimeType) {
-        this.mimeType = mimeType;
-    }
-
-    public void setIdentifier(String identifier) {
-        this.identifier = identifier;
-    }
-
-    public void setUploader(User uploader) {
-        this.uploader = uploader;
-    }
-
-    public void setSize(long size) {
-        this.size = size;
-    }
-
-    @Override
-    public boolean equals(final Object o) {
-        if (o == this) return true;
-        if (!(o instanceof FileDescription)) return false;
-        final FileDescription other = (FileDescription) o;
-        return other.canEqual(this)
-                && Objects.equals(this.getId(), other.getId());
-    }
-
-    protected boolean canEqual(final Object other) {
-        return other instanceof FileDescription;
-    }
-
-    @Override
-    public int hashCode() {
-        final int PRIME = 59;
-        int result = 1;
-        final Object $id = this.getId();
-        result = result * PRIME + ($id == null ? 43 : $id.hashCode());
-        return result;
-    }
 }

core/src/main/java/se/su/dsv/scipro/file/FileReference.java

@@ -9,7 +9,7 @@ import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
 import java.io.Serializable;
-import java.util.*;
+import java.util.Objects;
 
 /**
  * A reference to a file.
@@ -29,7 +29,7 @@ public class FileReference implements Serializable {
     private Long id;
 
     @ManyToOne(cascade = CascadeType.PERSIST)
-    @JoinColumn(name = "file_description_id")
+    @JoinColumn(name = "file_description_id", referencedColumnName = "id")
     private FileDescription fileDescription;
 
     public Long getId() {

core/src/main/java/se/su/dsv/scipro/file/ProjectFile.java

@@ -1,71 +1,88 @@
 package se.su.dsv.scipro.file;
 
+import jakarta.persistence.Basic;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.EnumType;
+import jakarta.persistence.Enumerated;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToOne;
+import jakarta.persistence.Table;
 import se.su.dsv.scipro.project.Project;
 import se.su.dsv.scipro.system.DomainObject;
 
-import jakarta.persistence.*;
 import java.util.Objects;
 
 @Entity
 @Table(name = "project_file")
 public class ProjectFile extends DomainObject {
 
+    // ----------------------------------------------------------------------------------
+    // Basic JPA-mappings
+    // ----------------------------------------------------------------------------------
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
-    @ManyToOne
+    @Basic
-    private Project project;
+    @Column(name = "file_source")
-
     @Enumerated(EnumType.STRING)
     private FileSource fileSource = FileSource.FILES;
 
+    // ----------------------------------------------------------------------------------
+    // JPA-mappings of foreign keys in this table (project_file) referencing other tables.
+    // ----------------------------------------------------------------------------------
+    @ManyToOne
+    @JoinColumn(name = "project_id", referencedColumnName = "id")
+    private Project project;
+
     @OneToOne
-    @JoinColumn(name = "file_reference_id")
+    @JoinColumn(name = "file_reference_id", referencedColumnName = "id")
     private FileReference fileReference;
 
+    // ----------------------------------------------------------------------------------
+    // Properties (Getters and Setters)
+    // ----------------------------------------------------------------------------------
     @Override
     public Long getId() {
         return this.id;
     }
 
-    public Project getProject() {
-        return this.project;
-    }
-
-    public FileSource getFileSource() {
-        return this.fileSource;
-    }
-
-    public FileDescription getFileDescription() {
-        return this.fileReference.getFileDescription();
-    }
-
     public void setId(Long id) {
         this.id = id;
     }
 
-    public void setProject(Project project) {
+    public FileSource getFileSource() {
-        this.project = project;
+        return this.fileSource;
     }
 
     public void setFileSource(FileSource fileSource) {
         this.fileSource = fileSource;
     }
 
-    public void setFileReference(FileReference fileReference) {
-        this.fileReference = fileReference;
-    }
-
     public FileReference getFileReference() {
         return this.fileReference;
     }
 
-    @Override
+    public void setFileReference(FileReference fileReference) {
-    public String toString() {
+        this.fileReference = fileReference;
-        return "ProjectFile(id=" + this.getId() + ", project=" + this.getProject() + ", fileSource=" + this.getFileSource() + ", fileDescription=" + this.getFileDescription() + ")";
     }
 
+    public Project getProject() {
+        return this.project;
+    }
+
+    public void setProject(Project project) {
+        this.project = project;
+    }
+
+    // ----------------------------------------------------------------------------------
+    // Methods Common To All Objects
+    // ----------------------------------------------------------------------------------
     @Override
     public boolean equals(final Object o) {
         if (o == this) return true;
@@ -79,12 +96,24 @@ public class ProjectFile extends DomainObject {
                 && Objects.equals(this.getFileDescription(), other.getFileDescription());
     }
 
-    protected boolean canEqual(final Object other) {
-        return other instanceof ProjectFile;
-    }
-
     @Override
     public int hashCode() {
         return Objects.hash(this.getId(), this.getProject(), this.getFileSource(), this.getFileDescription());
     }
+
+    @Override
+    public String toString() {
+        return "ProjectFile(id=" + this.getId() + ", project=" + this.getProject() + ", fileSource=" + this.getFileSource() + ", fileDescription=" + this.getFileDescription() + ")";
+    }
+
+    // ----------------------------------------------------------------------------------
+    // Other methods
+    // ----------------------------------------------------------------------------------
+    protected boolean canEqual(final Object other) {
+        return other instanceof ProjectFile;
+    }
+
+    public FileDescription getFileDescription() {
+        return this.fileReference.getFileDescription();
+    }
 }

core/src/main/java/se/su/dsv/scipro/finalthesis/FinalThesis.java

@@ -21,50 +21,67 @@ import jakarta.persistence.Table;
 import java.time.Instant;
 import java.time.LocalDate;
 import java.time.ZoneId;
-import java.util.*;
+import java.util.Date;
+import java.util.Objects;
 
 @Entity
-@Table
+@Table(name = "final_thesis")
 public class FinalThesis extends DomainObject {
 
-    public enum Status {
+    // ----------------------------------------------------------------------------------
-        APPROVED, REJECTED, NO_DECISION
+    // Basic JPA-mappings
-    }
+    // ----------------------------------------------------------------------------------
-
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
-    @ManyToOne(optional = false)
+    @Basic
-    @JoinColumn(name = "document_reference_id")
+    @Column(name = "english_title")
-    private FileReference document;
+    private String englishTitle;
 
-    @ManyToOne(optional = true)
+    @Basic
-    @JoinColumn(name = "text_matching_document_reference_id")
+    @Column(name = "swedish_title")
-    private FileReference textMatchingDocument;
+    private String swedishTitle;
+
+    @Basic
+    @Column(name = "status")
+    @Enumerated(EnumType.STRING)
+    private Status status = Status.NO_DECISION;
+
+    @Basic
+    @Column(name = "date_approved")
+    private Date dateApproved;
+
+    @Basic
+    @Column(name = "date_rejected")
+    private Date dateRejected;
+
+    @Basic
+    @Column(name = "rejection_comment")
+    private String rejectionComment;
 
     @Basic
     @Column(name = "text_matching_analysis")
     private String textMatchingAnalysis;
 
+    // ----------------------------------------------------------------------------------
+    // JPA-mappings of foreign keys in this table (final_thesis) referencing other tables.
+    // ----------------------------------------------------------------------------------
+    @ManyToOne(optional = true)
+    @JoinColumn(name = "text_matching_document_reference_id", referencedColumnName = "id")
+    private FileReference textMatchingDocument;
+
     @ManyToOne(optional = false)
-    @JoinColumn(name = "project_id")
+    @JoinColumn(name = "document_reference_id", referencedColumnName = "id")
+    private FileReference document;
+
+    @ManyToOne(optional = false)
+    @JoinColumn(name = "project_id", referencedColumnName = "id")
     private Project project;
 
-    @Enumerated(EnumType.STRING)
+    // ----------------------------------------------------------------------------------
-    private Status status = Status.NO_DECISION;
+    // JPA lifecycle method
-
+    // ----------------------------------------------------------------------------------
-    private Date dateApproved;
-
-    private Date dateRejected;
-
-    private String englishTitle;
-
-    private String swedishTitle;
-
-    @Column(name = "rejection_comment")
-    private String rejectionComment;
-
     @PrePersist
     @PreUpdate
     void cleanTitle() {
@@ -72,6 +89,126 @@ public class FinalThesis extends DomainObject {
         this.swedishTitle = clean(this.swedishTitle);
     }
 
+
+
+    // ----------------------------------------------------------------------------------
+    // Properties (Getters and Setters)
+    // ----------------------------------------------------------------------------------
+    @Override
+    public Long getId() {
+        return this.id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getEnglishTitle() {
+        return this.englishTitle;
+    }
+
+    public void setEnglishTitle(String englishTitle) {
+        this.englishTitle = englishTitle;
+    }
+
+    public String getSwedishTitle() {
+        return this.swedishTitle;
+    }
+
+    public void setSwedishTitle(String swedishTitle) {
+        this.swedishTitle = swedishTitle;
+    }
+
+    public Status getStatus() {
+        return this.status;
+    }
+
+    public void setStatus(Status status) {
+        this.status = status;
+    }
+
+    public Date getDateApproved() {
+        return dateApproved;
+    }
+
+    public void setDateApproved(Date dateApproved) {
+        this.dateApproved = dateApproved;
+    }
+
+    public Date getDateRejected() {
+        return dateRejected;
+    }
+
+    public void setDateRejected(Date dateRejected) {
+        this.dateRejected = dateRejected;
+    }
+
+    public String getRejectionComment() {
+        return rejectionComment;
+    }
+
+    public void setRejectionComment(String rejectionComment) {
+        this.rejectionComment = rejectionComment;
+    }
+
+    public String getTextMatchingAnalysis() {
+        return textMatchingAnalysis;
+    }
+
+    public void setTextMatchingAnalysis(String textMatchingAnalysis) {
+        this.textMatchingAnalysis = textMatchingAnalysis;
+    }
+
+    public FileReference getTextMatchingDocument() {
+        return this.textMatchingDocument;
+    }
+
+    public void setTextMatchingDocument(FileReference textMatchingDocument) {
+        this.textMatchingDocument = textMatchingDocument;
+    }
+
+    public FileReference getDocument() {
+        return this.document;
+    }
+
+    public void setDocument(FileReference fileDescription) {
+        this.document = fileDescription;
+    }
+
+    public Project getProject() {
+        return this.project;
+    }
+
+    public void setProject(Project project) {
+        this.project = project;
+    }
+
+    // ----------------------------------------------------------------------------------
+    // Methods Common To All Objects
+    // ----------------------------------------------------------------------------------
+    @Override
+    public boolean equals(final Object o) {
+        if (o == this) return true;
+        if (!(o instanceof FinalThesis)) return false;
+        final FinalThesis other = (FinalThesis) o;
+        return other.canEqual(this)
+                && Objects.equals(this.getDocument(), other.getDocument())
+                && Objects.equals(this.getProject(), other.getProject());
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(this.getDocument(), this.getProject());
+    }
+
+    @Override
+    public String toString() {
+        return "FinalThesis(id=" + this.getId() + ", fileDescription=" + this.getDocument() + ", textMatchingDocument=" + this.getTextMatchingDocument() + ", project=" + this.getProject() + ", status=" + this.getStatus() + ", dateApproved=" + this.getDateApproved() + ", dateRejected=" + this.getDateRejected() + ", englishTitle=" + this.getEnglishTitle() + ", swedishTitle=" + this.getSwedishTitle() + ")";
+    }
+
+    // ----------------------------------------------------------------------------------
+    // Other methods
+    // ----------------------------------------------------------------------------------
     private String clean(String str) {
         if (str == null) {
             return null;
@@ -83,125 +220,23 @@ public class FinalThesis extends DomainObject {
                 .trim();
     }
 
-    @Override
-    public Long getId() {
-        return this.id;
-    }
-
-    public FileReference getDocument() {
-        return this.document;
-    }
-
-    public FileReference getTextMatchingDocument() {
-        return this.textMatchingDocument;
-    }
-
-    public Project getProject() {
-        return this.project;
-    }
-
-    public Status getStatus() {
-        return this.status;
-    }
-
-    public String getEnglishTitle() {
-        return this.englishTitle;
-    }
-
-    public String getSwedishTitle() {
-        return this.swedishTitle;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public void setDocument(FileReference fileDescription) {
-        this.document = fileDescription;
-    }
-
-    public void setTextMatchingDocument(FileReference textMatchingDocument) {
-        this.textMatchingDocument = textMatchingDocument;
-    }
-
-    public void setProject(Project project) {
-        this.project = project;
-    }
-
-    public void setStatus(Status status) {
-        this.status = status;
-    }
-
-    public void setDateApproved(Date dateApproved) {
-        this.dateApproved = dateApproved;
-    }
-
-    public void setDateRejected(Date dateRejected) {
-        this.dateRejected = dateRejected;
-    }
-
-    public void setEnglishTitle(String englishTitle) {
-        this.englishTitle = englishTitle;
-    }
-
-    public void setSwedishTitle(String swedishTitle) {
-        this.swedishTitle = swedishTitle;
-    }
-
-    public String getTextMatchingAnalysis() {
-        return textMatchingAnalysis;
-    }
-
-    public void setTextMatchingAnalysis(String textMatchingAnalysis) {
-        this.textMatchingAnalysis = textMatchingAnalysis;
-    }
-
-    public String getRejectionComment() {
-        return rejectionComment;
-    }
-
-    public void setRejectionComment(String rejectionComment) {
-        this.rejectionComment = rejectionComment;
-    }
-
-    @Override
-    public String toString() {
-        return "FinalThesis(id=" + this.getId() + ", fileDescription=" + this.getDocument() + ", textMatchingDocument=" + this.getTextMatchingDocument() + ", project=" + this.getProject() + ", status=" + this.getStatus() + ", dateApproved=" + this.getDateApproved() + ", dateRejected=" + this.getDateRejected() + ", englishTitle=" + this.getEnglishTitle() + ", swedishTitle=" + this.getSwedishTitle() + ")";
-    }
-
-    @Override
-    public boolean equals(final Object o) {
-        if (o == this) return true;
-        if (!(o instanceof FinalThesis)) return false;
-        final FinalThesis other = (FinalThesis) o;
-        return other.canEqual(this)
-                && Objects.equals(this.getDocument(), other.getDocument())
-                && Objects.equals(this.getProject(), other.getProject());
-    }
-
     protected boolean canEqual(final Object other) {
         return other instanceof FinalThesis;
     }
 
-    @Override
-    public int hashCode() {
-        return Objects.hash(this.getDocument(), this.getProject());
-    }
-
-    public boolean isRejected() {
-        return getStatus() == Status.REJECTED;
-    }
-
-    public Date getDateRejected() {
-        return dateRejected;
-    }
-
-    public Date getDateApproved() {
-        return dateApproved;
-    }
-
     public LocalDate getUploadDate() {
         Instant instant = document.getFileDescription().getDateCreated().toInstant();
         return instant.atZone(ZoneId.systemDefault()).toLocalDate();
     }
+
+    public boolean isRejected() {
+        return getStatus() == Status.REJECTED;
+    }
+
+    // ----------------------------------------------------------------------------------
+    // Nested types
+    // ----------------------------------------------------------------------------------
+    public enum Status {
+        APPROVED, REJECTED, NO_DECISION
+    }
 }

core/src/main/resources/db/migration/V389__harmonize_table_attribute_name.sql

@@ -2613,8 +2613,105 @@ alter table `grade`
         foreign key (reported_by_user_id) references user (id)
             on delete cascade on update cascade;
 
+/*
+ * Step 17: file_reference & file_description, FinalThesis and project_file
+ */
 
+-- table: file_description
 
+alter table `file_description` drop foreign key `file_description_user`;
+
+alter table `file_description` drop key `file_description_user`;
+alter table `file_description` drop key `file_description_identifier_index`;
+
+alter table `file_description` change `version` `version` int(4) not null default 0 after `last_modified`;
+alter table `file_description` change `name` `name` varchar(255) default null after `version`;
+alter table `file_description` change `mimeType` `mime_type` varchar(255) default null after `name`;
+alter table `file_description` change `size` `size` bigint(20) default null after `mime_type`;
+alter table `file_description` change `identifier` `file_identifier` varchar(255) default null after `size`;
+alter table `file_description` change `type` `type` varchar(255) default null after `file_identifier`;
+alter table `file_description` change `userId` `user_id` bigint(20) default null after `type`;
+
+alter table `file_description`
+    add constraint fk_file_description_user_id
+        foreign key (user_id) references user (id)
+            on delete cascade on update cascade;
+
+-- table: file_reference
+
+alter table file_reference drop foreign key `FK_file_reference_file_description`;
+
+alter table file_reference drop key `FK_file_reference_file_description`;
+
+alter table file_reference
+    add constraint fk_file_reference_file_description_id
+        foreign key (file_description_id) references file_description (id)
+            on delete cascade on update cascade;
+
+-- table: FinalThesis
+
+alter table FinalThesis drop foreign key `FK_final_thesis_text_matching_document_reference`;
+alter table FinalThesis drop foreign key `FK_final_thesis_project`;
+alter table FinalThesis drop foreign key `FK_final_thesis_document_reference`;
+
+alter table FinalThesis drop key `FK_final_thesis_text_matching_document_reference`;
+alter table FinalThesis drop key `FK_final_thesis_project`;
+
+rename table FinalThesis to `final_thesis`;
+
+alter table `final_thesis` change `englishTitle` `english_title` varchar(255) default null after `version`;
+alter table `final_thesis` change `swedishTitle` `swedish_title` varchar(255) default null after `english_title`;
+alter table `final_thesis` change `status` `status` varchar(32) not null after `swedish_title`;
+alter table `final_thesis` change `dateApproved` `date_approved` date default null after `status`;
+alter table `final_thesis` change `dateRejected` `date_rejected` date default null after `date_approved`;
+alter table `final_thesis` change `rejection_comment` `rejection_comment` text default null after `date_rejected`;
+alter table `final_thesis` change `text_matching_analysis` `text_matching_analysis` text default null after `rejection_comment`;
+alter table `final_thesis` change `text_matching_document_reference_id` `text_matching_document_reference_id` bigint(20) default null after `text_matching_analysis`;
+alter table `final_thesis` change `project_id` `project_id` bigint(20) not null after `document_reference_id`;
+
+alter table `final_thesis`
+    add constraint fk_final_thesis_text_matching_document_reference_id
+        foreign key (text_matching_document_reference_id) references file_reference (id)
+            on delete cascade on update cascade;
+
+alter table `final_thesis`
+    add constraint fk_final_thesis_document_reference_id
+        foreign key (document_reference_id) references file_reference (id)
+            on delete cascade on update cascade;
+
+alter table `final_thesis`
+    add constraint fk_final_thesis_project_id
+        foreign key (project_id) references project (id)
+            on delete cascade on update cascade;
+
+-- table: project_file
+
+alter table `project_file` drop foreign key project_file_ibfk_2;
+alter table `project_file` drop foreign key FK_project_file_file;
+
+alter table `project_file` drop key FK_project_file_file;
+alter table `project_file` drop key FK_project_file_project;
+
+alter table `project_file` change `fileSource` `file_source` varchar(255) not null after `version`;
+alter table `project_file` change `project_id` `project_id` bigint(20) not null after `file_reference_id`;
+
+alter table `project_file`
+    add constraint fk_project_file_file_reference_id
+        foreign key (file_reference_id) references file_reference (id)
+            on delete cascade on update cascade;
+
+alter table `project_file`
+    add constraint fk_project_file_project_id
+        foreign key (project_id) references project (id)
+            on delete cascade on update cascade;
+
+/*
+ * Step 18: Decision & ReviewerApproval
+ */
+
+-- todo: table: Decision
+
+-- todo: table: ReviewerApproval
 
 /* Useful SQL