Initial commit AB#12

venues/Services/IVenuesRepository.cs

@@ -0,0 +1,11 @@
+using Venues.Entities;
+
+namespace Venues.Services
+{
+	public interface IVenuesRepository
+	{
+		Task<(IEnumerable<Venue>, PaginationMetadata)> GetVenuesAsync(int pageNumber, int pageSize);
+		Task<Venue?> GetVenueAsync(int venueId);
+	}
+}
+

venues/Services/PaginationMetadata.cs

@@ -0,0 +1,20 @@
+using System;
+namespace Venues.Services
+{
+	public class PaginationMetadata
+	{
+		public int TotalItemCount { get; set; }
+		public int TotalPageCount { get; set; }
+		public int PageSize { get; set; }
+		public int CurrentPage { get; set; }
+
+		public PaginationMetadata(int totalItemCount, int pageSize, int currentPage)
+		{
+			TotalItemCount = totalItemCount;
+			PageSize = pageSize;
+			CurrentPage = currentPage;
+			TotalPageCount = (int)Math.Ceiling(totalItemCount / (double)pageSize);
+		}
+	}
+}
+

venues/Services/VenuesRepository.cs

@@ -0,0 +1,36 @@
+using System;
+using Microsoft.EntityFrameworkCore;
+using Venues.DbContexts;
+using Venues.Entities;
+
+namespace Venues.Services
+{
+    public class VenuesRepository : IVenuesRepository
+    {
+        private readonly MlbGameDayContext _context;
+
+        public VenuesRepository(MlbGameDayContext context)
+        {
+            _context = context ?? throw new ArgumentNullException(nameof(context));
+        }
+
+        public async Task<Venue?> GetVenueAsync(int venueId)
+        {
+            return await _context.Venues.Where(v => v.Id == venueId).FirstOrDefaultAsync();
+        }
+
+        public async Task<(IEnumerable<Venue>, PaginationMetadata)> GetVenuesAsync(int pageNumber, int pageSize)
+        {
+            var collection = _context.Venues as IQueryable<Venue>;
+            var totalItemCount = await collection.CountAsync();
+            var paginationMetadata = new PaginationMetadata(totalItemCount, pageSize, pageNumber);
+            var collectionToReturn = await collection.OrderBy(v => v.Name)
+                .Skip(pageSize * (pageNumber -1))
+                .Take(pageSize)
+                .ToListAsync();
+
+            return (collectionToReturn, paginationMetadata);
+        }
+    }
+}
+