Progress Overhaul + Profile Page and a LOT more! (#4262)

Co-authored-by: Amelia <77553571+Fesaa@users.noreply.github.com>
Co-authored-by: Robbie Davis <robbie@therobbiedavis.com>

API/Entities/User/AppUserCollection.cs

@@ -0,0 +1,71 @@
+using System;
+using System.Collections.Generic;
+using API.Entities.Enums;
+using API.Entities.Interfaces;
+using API.Services.Plus;
+
+
+namespace API.Entities;
+
+/// <summary>
+/// Represents a Collection of Series for a given User
+/// </summary>
+public class AppUserCollection : IEntityDate, IHasCoverImage
+{
+    public int Id { get; set; }
+    public required string Title { get; set; }
+    /// <summary>
+    /// A normalized string used to check if the collection already exists in the DB
+    /// </summary>
+    public required string NormalizedTitle { get; set; }
+    public string? Summary { get; set; }
+    /// <summary>
+    /// Reading lists that are promoted are only done by admins
+    /// </summary>
+    public bool Promoted { get; set; }
+    public string? CoverImage { get; set; }
+    public string PrimaryColor { get; set; }
+    public string SecondaryColor { get; set; }
+    public bool CoverImageLocked { get; set; }
+    /// <summary>
+    /// The highest age rating from all Series within the collection
+    /// </summary>
+    public required AgeRating AgeRating { get; set; } = AgeRating.Unknown;
+    public ICollection<Series> Items { get; set; } = null!;
+    public DateTime Created { get; set; }
+    public DateTime LastModified { get; set; }
+    public DateTime CreatedUtc { get; set; }
+    public DateTime LastModifiedUtc { get; set; }
+
+    // Sync stuff for Kavita+
+    /// <summary>
+    /// Last time Kavita Synced the Collection with an upstream source (for non Kavita sourced collections)
+    /// </summary>
+    public DateTime LastSyncUtc { get; set; }
+    /// <summary>
+    /// Who created/manages the list. Non-Kavita lists are not editable by the user, except to promote
+    /// </summary>
+    public ScrobbleProvider Source { get; set; } = ScrobbleProvider.Kavita;
+    /// <summary>
+    /// For Non-Kavita sourced collections, the url to sync from
+    /// </summary>
+    public string? SourceUrl { get; set; }
+    /// <summary>
+    /// Total number of items as of the last sync. Not applicable for Kavita managed collections.
+    /// </summary>
+    public int TotalSourceCount { get; set; }
+    /// <summary>
+    /// A <br/> separated string of all missing series
+    /// </summary>
+    public string? MissingSeriesFromSource { get; set; }
+
+    public void ResetColorScape()
+    {
+        PrimaryColor = string.Empty;
+        SecondaryColor = string.Empty;
+    }
+
+    // Relationship
+    public AppUser AppUser { get; set; } = null!;
+    public int AppUserId { get; set; }
+}