Created Author, Book, AuthorBook, Page and Product with Price
This commit is contained in:
Khwezi Mngoma
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namespace LiteCharms.Features.MidrandBooks.Products.Entities;
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[EntityTypeConfiguration<ProductConfiguration, Product>]
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public class Product : Models.Product
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{
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public virtual ICollection<ProductPrice> Prices { get; set; } = [];
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}
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namespace LiteCharms.Features.MidrandBooks.Products.Entities;
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public class ProductConfiguration : IEntityTypeConfiguration<Product>
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{
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public void Configure(EntityTypeBuilder<Product> builder)
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{
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builder.ToTable("Products");
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builder.HasKey(f => f.Id);
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builder.Property(f => f.CreatedAt).IsRequired().ValueGeneratedOnAdd().HasDefaultValueSql("now()");
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builder.Property(f => f.UpdatedAt).HasDefaultValueSql("now()");
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builder.Property(f => f.Type).IsRequired();
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builder.Property(f => f.Name).IsRequired().HasMaxLength(255);
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builder.Property(f => f.Summary).IsRequired().HasMaxLength(512);
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builder.Property(f => f.Description).HasMaxLength(1024);
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builder.Property(f => f.ImageUrl).HasMaxLength(1024);
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builder.Property(f => f.ThumbnailUrls).IsRequired(false).HasColumnType("jsonb");
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builder.Property(f => f.Metadata).IsRequired(false).HasColumnType("jsonb");
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builder.Property(f => f.Categories).IsRequired(false).HasColumnType("jsonb");
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builder.Property(f => f.Enabled).HasDefaultValue(false);
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}
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}
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@@ -0,0 +1,7 @@
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namespace LiteCharms.Features.MidrandBooks.Products.Entities;
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[EntityTypeConfiguration<ProductPriceConfiguration, ProductPrice>]
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public class ProductPrice : Models.ProductPrice
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{
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public virtual Product Product { get; set; } = new();
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}
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@@ -0,0 +1,22 @@
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namespace LiteCharms.Features.MidrandBooks.Products.Entities;
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public class ProductPriceConfiguration : IEntityTypeConfiguration<ProductPrice>
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{
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public void Configure(EntityTypeBuilder<ProductPrice> builder)
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{
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builder.ToTable("Prices");
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builder.HasKey(f => f.Id);
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builder.Property(f => f.CreatedAt).IsRequired().ValueGeneratedOnAdd().HasDefaultValueSql("now()");
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builder.Property(f => f.UpdatedAt).HasDefaultValueSql("now()");
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builder.Property(f => f.ProductId).IsRequired();
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builder.Property(f => f.Amount).IsRequired().HasPrecision(18, 2);
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builder.Property(f => f.Discount).IsRequired().HasPrecision(18, 2);
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builder.Property(f => f.Enabled).HasDefaultValue(false);
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builder.HasOne(f => f.Product)
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.WithMany(p => p.Prices)
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.HasForeignKey(f => f.ProductId)
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.OnDelete(DeleteBehavior.Restrict);
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}
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}
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@@ -0,0 +1,10 @@
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namespace LiteCharms.Features.MidrandBooks.Products.Models;
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public class CreateProductPrice
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{
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public long ProductId { get; set; }
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public decimal Amount { get; set; }
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public decimal Discount { get; set; }
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}
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@@ -0,0 +1,30 @@
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using LiteCharms.Features.Models;
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namespace LiteCharms.Features.MidrandBooks.Products.Models;
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public class Product
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{
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public long Id { get; set; }
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public DateTime CreatedAt { get; set; }
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public DateTime? UpdatedAt { get; set; }
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public ProductTypes Type { get; set; }
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public string? Name { get; set; }
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public string? Summary { get; set; }
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public string? Description { get; set; }
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public string? ImageUrl { get; set; }
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public string[]? ThumbnailUrls { get; set; }
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public string[]? Categories { get; set; }
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public ProductMetadata? Metadata { get; set; }
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public bool Enabled { get; set; }
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}
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@@ -0,0 +1,18 @@
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namespace LiteCharms.Features.MidrandBooks.Products.Models;
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public class ProductPrice
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{
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public long Id { get; set; }
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public DateTime CreatedAt { get; set; }
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public DateTime? UpdatedAt { get; set; }
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public long ProductId { get; set; }
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public decimal Amount { get; set; }
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public decimal Discount { get; set; }
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public bool Enabled { get; set; }
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}
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@@ -0,0 +1,22 @@
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using LiteCharms.Features.Models;
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namespace LiteCharms.Features.MidrandBooks.Products.Models;
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public record CreateProduct
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{
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public required ProductTypes Type { get; set; }
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public required string Name { get; set; }
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public required string Summary { get; set; }
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public required string Description { get; set; }
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public required string ImageUrl { get; set; }
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public string[]? ThumbnailUrls { get; set; }
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public string[]? Categories { get; set; }
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public ProductMetadata? Metadata { get; set; }
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}
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@@ -0,0 +1,252 @@
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using LiteCharms.Features.MidrandBooks.Extensions;
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using LiteCharms.Features.MidrandBooks.Postgres;
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using LiteCharms.Features.MidrandBooks.Products.Models;
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using LiteCharms.Features.Models;
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namespace LiteCharms.Features.MidrandBooks.Products;
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public class ProductService(IDbContextFactory<MidrandBooksDbContext> contextFactory)
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{
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public async ValueTask<Result> UpdateProductPriceStatusAsync(long productPriceId, bool isEnabled, CancellationToken cancellationToken = default)
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{
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try
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{
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await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
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var productPrice = await context.Prices.FirstOrDefaultAsync(p => p.Id == productPriceId, cancellationToken);
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if (productPrice is null)
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return Result.Fail(new Error($"Product price with ID {productPriceId} not found"));
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productPrice.UpdatedAt = DateTime.UtcNow;
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productPrice.Enabled = isEnabled;
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return await context.SaveChangesAsync(cancellationToken) > 0
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? Result.Ok()
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: Result.Fail(new Error($"Failed to change status of product price with ID {productPriceId}"));
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}
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catch (Exception ex)
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{
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return Result.Fail(new Error(ex.Message).CausedBy(ex));
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}
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}
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public async ValueTask<Result> UpdateProductStatusAsync(long productId, bool isEnabled, CancellationToken cancellationToken = default)
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{
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try
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{
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await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
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var product = await context.Products.FirstOrDefaultAsync(p => p.Id == productId, cancellationToken);
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if (product is null)
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return Result.Fail(new Error($"Product with ID {productId} not found"));
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product.UpdatedAt = DateTime.UtcNow;
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product.Enabled = isEnabled;
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return await context.SaveChangesAsync(cancellationToken) > 0
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? Result.Ok()
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: Result.Fail(new Error($"Failed to change status of product with ID {productId}"));
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}
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catch (Exception ex)
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{
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return Result.Fail(new Error(ex.Message).CausedBy(ex));
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}
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}
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public async ValueTask<Result<Product[]>> SearchProductsAsync(ProductFilter filter, CancellationToken cancellationToken = default)
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{
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try
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{
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await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
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var query = context.Products.AsQueryable();
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if (!string.IsNullOrWhiteSpace(filter.Title))
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query = query.Where(p => p.Name!.Contains(filter.Title));
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if (!string.IsNullOrWhiteSpace(filter.Category))
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query = query.Where(p => p.Categories!.Any(c => c == filter.Category));
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if (!string.IsNullOrWhiteSpace(filter.Manufacturer))
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query = query.Where(p => p.Metadata!.Manufacturer == filter.Manufacturer);
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if (!string.IsNullOrWhiteSpace(filter.SerialNumber))
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query = query.Where(p => p.Metadata!.SerialNumber == filter.SerialNumber);
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if (filter.MinPrice > 0)
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query = query.Where(p => p.Prices!.Any(pr => pr.Amount >= filter.MinPrice && pr.Amount <= filter.MaxPrice));
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var products = await query.AsNoTracking().Where(p => p.Enabled).ToListAsync(cancellationToken);
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return products?.Count > 0
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? Result.Ok(products.Select(p => p.ToModel()).ToArray())
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: Result.Fail<Product[]>("No products found.");
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}
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catch (Exception ex)
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{
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return Result.Fail<Product[]>(new Error(ex.Message).CausedBy(ex));
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}
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}
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public async ValueTask<Result<long>> CreateProductPriceAsync(long productId, CreateProductPrice request, CancellationToken cancellationToken = default)
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{
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try
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{
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await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
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if(!await context.Products.AnyAsync(p => p.Id == productId, cancellationToken))
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return Result.Fail<long>($"Product with ID {productId} does not exist.");
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var existingPrices = await context.Prices.Where(p => p.ProductId == productId).ToListAsync(cancellationToken);
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if (existingPrices.Count > 0)
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foreach (var existingPrice in existingPrices)
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{
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existingPrice.Enabled = false;
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existingPrice.UpdatedAt = DateTime.UtcNow;
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context.Prices.Update(existingPrice);
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}
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var price = context.Prices.Add(new Entities.ProductPrice
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{
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ProductId = productId,
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Amount = request.Amount,
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Discount = request.Discount,
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Enabled = true,
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});
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return await context.SaveChangesAsync(cancellationToken) > 0
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? Result.Ok(price.Entity.Id)
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: Result.Fail<long>("Failed to create product price.");
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}
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catch (Exception ex)
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{
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return Result.Fail<long>(new Error(ex.Message).CausedBy(ex));
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}
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}
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public async ValueTask<Result<long>> CreateProductAsync(CreateProduct request, CancellationToken cancellationToken = default)
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{
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try
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{
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await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
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if(await context.Products.AnyAsync(p => p.Name == request.Name, cancellationToken))
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return Result.Fail<long>("A product with the same name already exists.");
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if(request.Metadata is not null)
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if (await context.Products.AnyAsync(p => p.Metadata!.SerialNumber == request.Metadata.SerialNumber, cancellationToken))
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return Result.Fail<long>("A product with the same metadata already exists.");
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var product = context.Products.Add(new Entities.Product
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{
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UpdatedAt = DateTime.UtcNow,
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Type = request.Type,
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Name = request.Name,
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Summary = request.Summary,
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Description = request.Description,
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ImageUrl = request.ImageUrl,
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ThumbnailUrls = request.ThumbnailUrls,
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Metadata = request.Metadata,
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Categories = request.Categories,
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Enabled = true
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});
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return await context.SaveChangesAsync(cancellationToken) > 0
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? Result.Ok(product.Entity.Id)
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: Result.Fail<long>("Failed to create product.");
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}
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catch (Exception ex)
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{
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return Result.Fail<long>(new Error(ex.Message).CausedBy(ex));
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}
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}
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public async ValueTask<Result<ProductPrice[]>> GetProductPriceAsync(long productId, CancellationToken cancellationToken = default)
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{
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try
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{
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await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
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var product = await context.Prices
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.AsNoTracking()
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.OrderByDescending(p => p.CreatedAt)
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.ThenBy(p => p.UpdatedAt)
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.FirstOrDefaultAsync(p => p.ProductId == productId, cancellationToken);
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return product is not null
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? Result.Ok(new[] { product.ToModel() })
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: Result.Fail<ProductPrice[]>(new Error($"No price found for product with ID {productId}"));
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}
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catch (Exception ex)
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{
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return Result.Fail<ProductPrice[]>(new Error(ex.Message).CausedBy(ex));
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}
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}
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public async ValueTask<Result<ProductPrice[]>> GetProductPricesAsync(long productId, CancellationToken cancellationToken = default)
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{
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try
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{
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await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
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var prices = await context.Prices.Where(p => p.ProductId == productId).ToListAsync(cancellationToken);
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return prices?.Count > 0
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? prices.Select(p => p.ToModel()).ToArray()
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: Result.Fail<ProductPrice[]>(new Error($"No prices found for product with ID {productId}"));
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}
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catch (Exception ex)
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{
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return Result.Fail<ProductPrice[]>(new Error(ex.Message).CausedBy(ex));
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}
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}
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public async ValueTask<Result<Product>> GetProductAsync(long productId, CancellationToken cancellationToken = default)
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{
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try
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{
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await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
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var product = await context.Products.AsNoTracking().FirstOrDefaultAsync(p => p.Id == productId, cancellationToken);
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return product is null
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? Result.Fail<Product>(new Error($"Product with ID {productId} not found."))
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: Result.Ok(product.ToModel());
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}
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catch (Exception ex)
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{
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return Result.Fail<Product>(new Error(ex.Message).CausedBy(ex));
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}
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}
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public async ValueTask<Result<Product[]>> GetProductsAsync(DateRange range, CancellationToken cancellationToken = default)
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{
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try
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{
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var fromDate = range.From.ToDateTime(TimeOnly.MinValue);
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var toDate = range.To.ToDateTime(TimeOnly.MaxValue);
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await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
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var products = await context.Products
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.AsNoTracking()
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.OrderByDescending(p => p.CreatedAt)
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.ThenBy(p => p.UpdatedAt)
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.Where(p => p.CreatedAt >= fromDate && p.CreatedAt <= toDate)
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.Take(range.MaxRecords)
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.ToArrayAsync(cancellationToken);
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return await context.SaveChangesAsync(cancellationToken) > 0
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? Result.Ok(products.Select(p => p.ToModel()).ToArray())
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: Result.Fail<Product[]>(new Error("Failed to retrieve products."));
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}
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catch (Exception ex)
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{
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return Result.Fail<Product[]>(new Error(ex.Message).CausedBy(ex));
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}
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}
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}
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