Implemented project handling and updated property components according to front-end needs

src/main/java/de/iwomm/propify_api/entity/Project.java

@@ -0,0 +1,166 @@
+package de.iwomm.propify_api.entity;
+
+import com.fasterxml.jackson.annotation.JsonManagedReference;
+import jakarta.persistence.*;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.util.UUID;
+
+@Entity
+public class Project {
+    @Id
+    @GeneratedValue(strategy = GenerationType.UUID)
+    @Column(nullable = false)
+    private UUID id;
+
+    private String name;
+    private String eventNumber;
+    private String description;
+    private String projectType;
+    private String status;
+
+    @Column(nullable = false)
+    private int amountRequested;
+
+    @Column(nullable = false)
+    private LocalDate startDate;
+
+    @Column(nullable = false)
+    private LocalDate endDate;
+
+    @Column(nullable = false)
+    private LocalDateTime createdAt;
+
+    private LocalDateTime updatedAt;
+
+    @ManyToOne(cascade = CascadeType.PERSIST, optional = false)
+    @JoinColumn(name = "property_id", nullable = false)
+    @JsonManagedReference
+    private Property property;
+
+    public Project() {
+        this.amountRequested = 0;
+    }
+
+    public Project(String name, String eventNumber, String description, String projectType,
+                   String status, Property property, int amountRequested,
+                   LocalDate startDate, LocalDate endDate) {
+        this.name = name;
+        this.eventNumber = eventNumber;
+        this.description = description;
+        this.projectType = projectType;
+        this.status = status;
+        this.property = property;
+        this.amountRequested = amountRequested;
+        this.startDate = startDate;
+        this.endDate = endDate;
+    }
+
+    @PrePersist
+    protected void onCreate() {
+        this.createdAt = LocalDateTime.now();
+        this.updatedAt = LocalDateTime.now();
+    }
+
+    @PreUpdate
+    protected void onUpdate() {
+        this.updatedAt = LocalDateTime.now();
+    }
+
+    public UUID getId() {
+        return id;
+    }
+
+    public void setId(UUID id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getEventNumber() {
+        return eventNumber;
+    }
+
+    public void setEventNumber(String eventNumber) {
+        this.eventNumber = eventNumber;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public String getProjectType() {
+        return projectType;
+    }
+
+    public void setProjectType(String projectType) {
+        this.projectType = projectType;
+    }
+
+    public String getStatus() {
+        return status;
+    }
+
+    public void setStatus(String status) {
+        this.status = status;
+    }
+
+    public int getAmountRequested() {
+        return amountRequested;
+    }
+
+    public void setAmountRequested(int amountRequested) {
+        this.amountRequested = amountRequested;
+    }
+
+    public Property getProperty() {
+        return property;
+    }
+
+    public void setProperty(Property property) {
+        this.property = property;
+    }
+
+    public LocalDate getStartDate() {
+        return startDate;
+    }
+
+    public void setStartDate(LocalDate startDate) {
+        this.startDate = startDate;
+    }
+
+    public LocalDate getEndDate() {
+        return endDate;
+    }
+
+    public void setEndDate(LocalDate endDate) {
+        this.endDate = endDate;
+    }
+
+    public LocalDateTime getCreatedAt() {
+        return createdAt;
+    }
+
+    public void setCreatedAt(LocalDateTime createdAt) {
+        this.createdAt = createdAt;
+    }
+
+    public LocalDateTime getUpdatedAt() {
+        return updatedAt;
+    }
+
+    public void setUpdatedAt(LocalDateTime updatedAt) {
+        this.updatedAt = updatedAt;
+    }
+}

src/main/java/de/iwomm/propify_api/entity/Property.java

@@ -1,8 +1,10 @@
 package de.iwomm.propify_api.entity;
 
+import com.fasterxml.jackson.annotation.JsonBackReference;
 import jakarta.persistence.*;
 
 import java.time.LocalDateTime;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.UUID;
 
@@ -41,6 +43,19 @@ public class Property {
 
     private LocalDateTime updatedAt;
 
+    @OneToMany(mappedBy = "property", cascade = CascadeType.PERSIST, orphanRemoval = true)
+    @OrderBy("createdAt")
+    @JsonBackReference
+    private List<Project> projects = new ArrayList<>();
+
+    public List<Project> getProjects() {
+        return projects;
+    }
+
+    public void setProjects(List<Project> projects) {
+        this.projects = projects;
+    }
+
     public List<Attachment> getAttachments() {
         return attachments;
     }