♻️ Extract the Storage service to DysonNetwork.Drive microservice

DysonNetwork.Drive/Models/Account.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace DysonNetwork.Drive.Models;
+
+public class Account : ModelBase
+{
+    [Key]
+    public Guid Id { get; set; } = Guid.NewGuid();
+    
+    [Required]
+    [MaxLength(256)]
+    public string Username { get; set; } = null!;
+    
+    [Required]
+    [MaxLength(256)]
+    public string Email { get; set; } = null!;
+    
+    [MaxLength(1024)]
+    public string? DisplayName { get; set; }
+    
+    public bool IsActive { get; set; } = true;
+    public bool IsVerified { get; set; } = false;
+    
+    // Navigation properties
+    public virtual ICollection<CloudFile> Files { get; set; } = new List<CloudFile>();
+    
+    // Timestamps
+    public DateTimeOffset? LastLoginAt { get; set; }
+    
+    // Methods
+    public bool HasPermission(Permission permission)
+    {
+        // TODO: Implement actual permission checking logic
+        return true;
+    }
+}

DysonNetwork.Drive/Models/CloudFile.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Text.Json;
+using NodaTime;
+
+namespace DysonNetwork.Drive.Models;
+
+public class CloudFile : ModelBase
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+    
+    [MaxLength(256)]
+    public string Name { get; set; } = null!;
+    
+    [MaxLength(1024)]
+    public string OriginalName { get; set; } = null!;
+    
+    [MaxLength(256)]
+    public string MimeType { get; set; } = null!;
+    
+    public long Size { get; set; }
+    
+    [MaxLength(1024)]
+    public string StoragePath { get; set; } = null!;
+    
+    [MaxLength(64)]
+    public string StorageProvider { get; set; } = "local";
+    
+    [MaxLength(64)]
+    public string? ContentHash { get; set; }
+    
+    [MaxLength(1024)]
+    public string? ThumbnailPath { get; set; }
+    
+    [MaxLength(1024)]
+    public string? PreviewPath { get; set; }
+    
+    public int? Width { get; set; }
+    public int? Height { get; set; }
+    public float? Duration { get; set; }
+    
+    [MaxLength(1024)]
+    public string? Metadata { get; set; }
+    
+    [Column(TypeName = "jsonb")]
+    public JsonDocument? ExtendedMetadata { get; set; }
+    
+    public bool IsPublic { get; set; }
+    public bool IsTemporary { get; set; }
+    public bool IsDeleted { get; set; }
+    
+    public Instant? ExpiresAt { get; set; }
+    public new Instant? DeletedAt { get; set; }
+    
+    public Guid? UploadedById { get; set; }
+    public string? UploadedByType { get; set; }
+    
+    public ICollection<CloudFileReference> References { get; set; } = new List<CloudFileReference>();
+    
+    public void Dispose()
+    {
+        ExtendedMetadata?.Dispose();
+        GC.SuppressFinalize(this);
+    }
+}

DysonNetwork.Drive/Models/CloudFileReference.cs

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+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using NodaTime;
+
+namespace DysonNetwork.Drive.Models;
+
+public class CloudFileReference : ModelBase
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+    
+    [MaxLength(2048)]
+    public string ResourceId { get; set; } = null!;
+    
+    [MaxLength(256)]
+    public string ResourceType { get; set; } = null!;
+    
+    [MaxLength(256)]
+    public string ReferenceType { get; set; } = null!;
+    
+    [MaxLength(256)]
+    public string? ReferenceId { get; set; }
+    
+    [MaxLength(256)]
+    public string? ReferenceName { get; set; }
+    
+    [MaxLength(256)]
+    public string? ReferenceMimeType { get; set; }
+    
+    public long? ReferenceSize { get; set; }
+    
+    [MaxLength(1024)]
+    public string? ReferenceUrl { get; set; }
+    
+    [MaxLength(1024)]
+    public string? ReferenceThumbnailUrl { get; set; }
+    
+    [MaxLength(1024)]
+    public string? ReferencePreviewUrl { get; set; }
+    
+    [MaxLength(1024)]
+    public string? ReferenceMetadata { get; set; }
+    
+    [Column(TypeName = "jsonb")]
+    public JsonDocument? Metadata { get; set; }
+    
+    public bool IsActive { get; set; } = true;
+    
+    public Instant? ExpiresAt { get; set; }
+    
+    public Guid FileId { get; set; }
+    public virtual CloudFile File { get; set; } = null!;
+    
+    public void Dispose()
+    {
+        Metadata?.Dispose();
+        GC.SuppressFinalize(this);
+    }
+}

DysonNetwork.Drive/Models/ModelBase.cs

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+using System;
+
+namespace DysonNetwork.Drive.Models;
+
+public abstract class ModelBase
+{
+    public DateTimeOffset CreatedAt { get; set; } = DateTimeOffset.UtcNow;
+    public DateTimeOffset? UpdatedAt { get; set; }
+    public DateTimeOffset? DeletedAt { get; set; }
+}

DysonNetwork.Drive/Models/Permission.cs

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+namespace DysonNetwork.Drive.Models;
+
+public enum Permission
+{
+    // File permissions
+    File_Read,
+    File_Write,
+    File_Delete,
+    File_Share,
+    
+    // Admin permissions
+    Admin_Access,
+    Admin_ManageUsers,
+    Admin_ManageFiles,
+    
+    // Special permissions
+    BypassRateLimit,
+    BypassQuota
+}

DysonNetwork.Drive/Models/Post.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+
+namespace DysonNetwork.Drive.Models;
+
+public class Post : ModelBase
+{
+    [Key]
+    public Guid Id { get; set; } = Guid.NewGuid();
+    
+    [Required]
+    [MaxLength(1024)]
+    public string Title { get; set; } = null!;
+    
+    public string Content { get; set; } = string.Empty;
+    
+    public Guid AuthorId { get; set; }
+    public virtual Account? Author { get; set; }
+    
+    public bool IsPublished { get; set; } = false;
+    public bool IsDeleted { get; set; } = false;
+    
+    // Navigation properties
+    public virtual ICollection<PostViewInfo> Views { get; set; } = new List<PostViewInfo>();
+    public virtual ICollection<CloudFileReference> Attachments { get; set; } = new List<CloudFileReference>();
+}
+
+public class PostViewInfo
+{
+    [Key]
+    public Guid Id { get; set; } = Guid.NewGuid();
+    
+    public Guid PostId { get; set; }
+    public virtual Post? Post { get; set; }
+    
+    public string? UserAgent { get; set; }
+    public string? IpAddress { get; set; }
+    public string? Referrer { get; set; }
+    
+    public string? ViewerId { get; set; }
+    
+    public DateTimeOffset ViewedAt { get; set; } = DateTimeOffset.UtcNow;
+    
+    // Additional metadata
+    public string? CountryCode { get; set; }
+    public string? DeviceType { get; set; }
+    public string? Platform { get; set; }
+    public string? Browser { get; set; }
+}