Implements search functionality and prepares for upcoming paging in v0.3.

API/Helpers/AutoMapperProfiles.cs

@@ -22,6 +22,13 @@ namespace API.Helpers
             CreateMap<Series, SeriesDto>();
             
             CreateMap<AppUserPreferences, UserPreferencesDto>();
+
+            CreateMap<Series, SearchResultDto>()
+                .ForMember(dest => dest.SeriesId,
+                    opt => opt.MapFrom(src => src.Id))
+                .ForMember(dest => dest.LibraryName,
+                    opt => opt.MapFrom(src => src.Library.Name));
+            
             
             CreateMap<Library, LibraryDto>()
                 .ForMember(dest => dest.Folders,

API/Helpers/PagedList.cs

@@ -1,7 +1,32 @@
-namespace API.Helpers
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Helpers
 {
-    public class PagedList
+    public class PagedList<T> : List<T>
     {
-        
+        public PagedList(IEnumerable<T> items, int count, int pageNumber, int pageSize)
+        {
+            CurrentPage = pageNumber;
+            TotalPages = (int) Math.Ceiling(count / (double) pageSize);
+            PageSize = pageSize;
+            TotalCount = count;
+            AddRange(items);
+        }
+
+        public int CurrentPage { get; set; }
+        public int TotalPages { get; set; }
+        public int PageSize { get; set; }
+        public int TotalCount { get; set; }
+
+        public static async Task<PagedList<T>> CreateAsync(IQueryable<T> source, int pageNumber, int pageSize)
+        {
+            var count = await source.CountAsync();
+            var items = await source.Skip((pageNumber - 1) * pageSize).Take(pageSize).ToListAsync();
+            return new PagedList<T>(items, count, pageNumber, pageSize);
+        }
     }
 }

API/Helpers/PaginationHeader.cs

@@ -2,6 +2,17 @@
 {
     public class PaginationHeader
     {
-        
+        public PaginationHeader(int currentPage, int itemsPerPage, int totalItems, int totalPages)
+        {
+            CurrentPage = currentPage;
+            ItemsPerPage = itemsPerPage;
+            TotalItems = totalItems;
+            TotalPages = totalPages;
+        }
+
+        public int CurrentPage { get; set; }
+        public int ItemsPerPage { get; set; }
+        public int TotalItems { get; set; }
+        public int TotalPages { get; set; }
     }
 }

API/Helpers/UserParams.cs

@@ -2,6 +2,14 @@
 {
     public class UserParams
     {
-        
+        private const int MaxPageSize = 50;
+        public int PageNumber { get; set; } = 1;
+        private int _pageSize = 10;
+
+        public int PageSize
+        {
+            get => _pageSize;
+            set => _pageSize = (value > MaxPageSize) ? MaxPageSize : value;
+        }
     }
 }