New: DB-Migration / Repositories und Models für den Premiumbereich

Shared/Models/EngineerApplication.cs

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+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Oqtane.Models;
+
+namespace SZUAbsolventenverein.Module.PremiumArea.Models
+{
+    [Table("SZUAbsolventenvereinEngineerApplications")]
+    public class EngineerApplication : ModelBase
+    {
+        [Key]
+        public int ApplicationId { get; set; }
+        public int UserId { get; set; }
+        public int ModuleId { get; set; } // Context context
+
+        [Required]
+        public int? FileId { get; set; }
+
+        [StringLength(256)]
+        public string PdfFileName { get; set; }
+
+        public bool IsReported { get; set; }
+        public string ReportReason { get; set; }
+        public int ReportCount { get; set; }
+
+        // Status: "Draft", "Submitted", "Approved", "Rejected"
+        [StringLength(50)]
+        public string Status { get; set; } 
+
+        public int? AdminReviewedBy { get; set; }
+        public DateTime? AdminReviewedAt { get; set; }
+        public string AdminNote { get; set; }
+
+        public DateTime? SubmittedOn { get; set; }
+        public DateTime? ApprovedOn { get; set; }
+    }
+}

Shared/Models/PremiumEvent.cs

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+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Oqtane.Models;
+
+namespace SZUAbsolventenverein.Module.PremiumArea.Models
+{
+    [Table("SZUAbsolventenvereinPremiumEvents")]
+    public class PremiumEvent : ModelBase
+    {
+        [Key]
+        public int Id { get; set; }
+
+        public int UserId { get; set; }
+        
+        public int DeltaDays { get; set; } // +365, etc.
+        
+        [StringLength(50)]
+        public string Source { get; set; } 
+        
+        public string ReferenceId { get; set; } // e.g. "AppId:12"
+    }
+}

Shared/Models/UserPremium.cs

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+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Oqtane.Models;
+
+namespace SZUAbsolventenverein.Module.PremiumArea.Models
+{
+    [Table("SZUAbsolventenvereinUserPremium")]
+    public class UserPremium : ModelBase
+    {
+        [Key]
+        public int Id { get; set; }
+        
+        public int UserId { get; set; }
+        
+        public DateTime? PremiumUntil { get; set; }
+        
+        [StringLength(50)]
+        public string Source { get; set; } // "paid", "promo_engineer_application", "admin"
+    }
+}