DB integration added, multiple images for equipment

Models/Equipment.cs

@@ -11,23 +11,24 @@ public class Equipment
     [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
     [JsonIgnore]
     public int Id { get; set; }
+    
     [Required]
     public string? Name { get; set; } = string.Empty;
-    [Required]
     public string? Description { get; set; } = string.Empty;
-    [Required]
     
+    // Foreign keys
+    [Required]
     [JsonIgnore]
     public int PointId { get; set; }
-    [JsonIgnore]
-    public int ImageId { get; set; }
+    [JsonIgnore] 
+    public List<int> ImageIds { get; set; } = [];
     [JsonIgnore]
     public List<int> InspectionIds { get; set; } = [];
 
-    // EF stuff
-    public Image? Image { get; set; }
-    [JsonIgnore]
-    public Point? Point { get; set; }
+    // Navigation Properties
+    public List<Image> Images { get; set; } = [];
+    [JsonIgnore] 
+    public Point Point { get; set; } = null!; 
     public List<Property> Properties { get; set; } = [];
     public List<Inspection> Inspections { get; set; } = [];
 }

Models/Error.cs

@@ -4,7 +4,7 @@ namespace GazpromApp.Models;
 
 public class Error
 {
-    public string? Title { get; set; }
-    public string? Message { get; set; }
-    public ErrorSeverity Severity { get; set; }
+    public string? Title { get; init; }
+    public string? Message { get; init; }
+    public ErrorSeverity Severity { get; init; }
 }

Models/Image.cs

@@ -1,5 +1,4 @@
-using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Text.Json.Serialization;
 
@@ -11,11 +10,19 @@ public class Image
     [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
     [JsonIgnore]
     public int Id { get; set; }
+    
     [Required]
     public byte[] Bytes { get; set; } = [];
-    // EF stuff
+    
+    // Foreign keys
     [JsonIgnore]
-    public List<Point> Points { get; set; } = [];
+    public int? PointId { get; set; }
     [JsonIgnore]
-    public List<Equipment> Equipment { get; set; } = [];
+    public int? EquipmentId { get; set; }
+    
+    // Navigation Properties
+    [JsonIgnore]
+    public Point? Point { get; set; }
+    [JsonIgnore]
+    public Equipment? Equipment { get; set; }
 }

Models/Inspection.cs

@@ -11,6 +11,7 @@ public class Inspection
     [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
     [JsonIgnore]
     public int Id { get; set; }
+    
     [Required]
     public string Name { get; set; } = string.Empty;
     [Required]
@@ -20,10 +21,11 @@ public class Inspection
     [Required]
     public float PeriodValue { get; set; }
 
+    // Foreign keys
     [JsonIgnore]
     public int EquipmentId { get; set; }
     
-    // EF stuff
+    // Navigation Properties
     [JsonIgnore]
     public Equipment? Equipment { get; } = new();
 }

Models/Point.cs

@@ -11,15 +11,13 @@ public class Point
     [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
     [JsonIgnore]
     public int Id { get; set; }
+    
     [Required]
     public string? Name { get; set; } = string.Empty;
-    [Required]
     public string? Description { get; set; } = string.Empty;
-    [Required]
     public double Latitude { get; set; }
-    [Required]
     public double Longitude { get; set; }
-    // EF stuff
+    // Navigation Properties
     public List<Image> Images { get; set; } = [];
     public List<Equipment> Equipment { get; set; } = [];
     public List<Property> Properties { get; set;  } = [];

Models/Property.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Text.Json.Serialization;
@@ -12,17 +11,29 @@ public class Property
     [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
     [JsonIgnore]
     public int Id { get; set; }
-    [JsonIgnore]
-    public int ParentId { get; set; }
+    
     [Required]
     public string Name { get; set; } = string.Empty;
     public string Value { get; set; } = string.Empty;
-    // EF stuff
+    
+    // For self-referencing hierarchy (Property of a Property)
+    [JsonIgnore]
+    public int? ParentPropertyId { get; set; }
     [JsonIgnore]
     public Property? Parent { get; set; }
-    public List<Property> Properties{ get; set; } = [];
+
+    // For a Property of a Point
     [JsonIgnore]
-    public List<Point> Points { get; set; } = [];
+    public int? PointId { get; set; }
     [JsonIgnore]
-    public List<Equipment> Equipment { get; } = [];
+    public Point? Point { get; set; }
+
+    // For a Property of an Equipment
+    [JsonIgnore]
+    public int? EquipmentId { get; set; }
+    [JsonIgnore]
+    public Equipment? Equipment { get; set; }
+
+    // Child properties in the hierarchy
+    public List<Property> Properties { get; set; } = [];
 }