Split Features to create space for more projects

LiteCharms.Features.TechShop/CartPackages/PackageService.cs

@@ -0,0 +1,242 @@
+using LiteCharms.Features.Extensions;
+using LiteCharms.Features.Models;
+using LiteCharms.Features.TechShop.CartPackages.Models;
+using LiteCharms.Features.TechShop.Extensions;
+using LiteCharms.Features.TechShop.Postgres;
+
+namespace LiteCharms.Features.TechShop.CartPackages;
+
+public class PackageService(IDbContextFactory<ShopDbContext> contextFactory)
+{
+    public async ValueTask<Result<Guid>> AddPackageItemAsync(Guid packageId, Guid productPriceId, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            if (!await context.Packages.AnyAsync(p => p.Id == packageId, cancellationToken))
+                return Result.Fail($"Could not find package by ID {packageId}");
+
+            if (!await context.ProductPrices.AnyAsync(p => p.Id == productPriceId && p.Active == true, cancellationToken))
+                return Result.Fail($"Could not find an active product price by ID {productPriceId}");
+
+            if (await context.PackageItems.AnyAsync(p => p.ProductPriceId == productPriceId && p.PackageId == packageId, cancellationToken))
+                return Result.Fail<Guid>($"Product price {productPriceId} is already added to this package {packageId}");
+
+            var newPackageItem = context.PackageItems.Add(new Entities.PackageItem
+            {
+                PackageId = packageId,
+                ProductPriceId = productPriceId,
+                Active = true
+            });
+
+            return await context.SaveChangesAsync(cancellationToken) > 0
+                ? Result.Ok(newPackageItem.Entity.Id)
+                : Result.Fail<Guid>($"Failed to add new package item by ID {productPriceId}");
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail<Guid>(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+
+    public async ValueTask<Result<Guid>> CreatePackageAsync(string? name, string? summary, string? description, string? ImageUrl, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            if (await context.Packages.AnyAsync(p => p.Name == name, cancellationToken))
+                return Result.Fail($"A package by the same name already exists: {name}");
+
+            var newPackage = context.Packages.Add(new Entities.Package
+            {
+                Name = name,
+                Summary = summary,
+                Description = description,
+                ImageUrl = ImageUrl,
+                Active = true
+            });
+
+            return await context.SaveChangesAsync(cancellationToken) > 0
+                ? Result.Ok(newPackage.Entity.Id)
+                : Result.Fail($"Failed to create a new package by the name: {name}");
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail<Guid>(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+
+    public async ValueTask<Result> DeletePackageItemAsync(Guid packageId, Guid packageItemId, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            if (!await context.Packages.AnyAsync(p => p.Id == packageId, cancellationToken))
+                return Result.Fail($"Could not find package by ID {packageId}");
+
+            var item = await context.PackageItems.FirstOrDefaultAsync(p => p.Id == packageItemId && p.PackageId == packageId, cancellationToken);
+
+            if (item is null)
+                return Result.Fail($"Product item {packageItemId} is already added to this package {packageId}");
+
+            context.PackageItems.Remove(item);
+
+            return await context.SaveChangesAsync(cancellationToken) > 0
+                ? Result.Ok()
+                : Result.Fail($"Failed to delete package item by id {packageItemId}");
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+
+    public async ValueTask<Result> DeletePackageItemsAsync(Guid packageId, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            if (!await context.Packages.AnyAsync(p => p.Id == packageId, cancellationToken))
+                return Result.Fail($"Could not find package by ID {packageId}");
+
+            var items = await context.PackageItems.Where(i => i.PackageId == packageId).ToArrayAsync(cancellationToken);
+
+            context.PackageItems.RemoveRange(items);
+
+            return await context.SaveChangesAsync(cancellationToken) > 0
+                ? Result.Ok()
+                : Result.Fail($"Failed to delete package {packageId} items");
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+
+    public async ValueTask<Result<Package>> GetPackageAsync(Guid packageId, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var package = await context.Packages.FirstOrDefaultAsync(p => p.Id == packageId, cancellationToken);
+
+            return package is not null
+                ? Result.Ok(package.ToModel())
+                : Result.Fail($"Failed to find package by ID {packageId}");
+
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail<Package>(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+
+    public async ValueTask<Result<PackageItem[]>> GetPackageItemsAsync(Guid packageId, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            if (!await context.Packages.AnyAsync(p => p.Id == packageId, cancellationToken))
+                return Result.Fail<PackageItem[]>($"Package could not be found with ID {packageId}");
+
+            var items = await context.PackageItems.AsNoTracking()
+                .OrderByDescending(o => o.CreatedAt)
+                .Where(p => p.PackageId == packageId)
+                .ToArrayAsync(cancellationToken);
+
+            return items?.Length > 0
+                ? Result.Ok(items.Select(i => i.ToModel()).ToArray())
+                : Result.Fail<PackageItem[]>($"Could not find package items by package ID {packageId}");
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail<PackageItem[]>(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+
+    public async ValueTask<Result<Package[]>> GetPackagesAsync(Guid packageId, DateRange range, bool active, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            var fromDate = range.From.ToDateTime(TimeOnly.MinValue);
+            var toDate = range.To.ToDateTime(TimeOnly.MaxValue);
+
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var packages = await context.Packages
+                .AsNoTracking()
+                .OrderByDescending(o => o.CreatedAt)
+                .Where(p => p.CreatedAt >= fromDate && p.CreatedAt <= toDate)
+                .Where(p => p.Active == active)
+                .Take(range.MaxRecords)
+                .ToArrayAsync(cancellationToken);
+
+            return packages?.Length > 0
+                ? Result.Ok(packages.Select(o => o.ToModel()).ToArray())
+                : Result.Fail<Package[]>(new Error($"No packages found for the specified date range {range.From} - {range.To}."));
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail<Package[]>(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+
+    public async ValueTask<Result<Guid>> UpdatePackageAsync(Guid packageId, string? name, string? summary, string? description, string? ImageUrl, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            if (await context.Packages.AnyAsync(p => p.Name == name, cancellationToken))
+                return Result.Fail($"A package by the same name already exists: {name}");
+
+            var package = await context.Packages.FirstOrDefaultAsync(p => p.Id == packageId, cancellationToken);
+
+            if (package is null)
+                return Result.Fail($"Could not find package by id {packageId}");
+
+            package.Name = name;
+            package.Summary = summary;
+            package.Description = description;
+            package.ImageUrl = ImageUrl;
+            package.UpdatedAt = DateTime.UtcNow;
+
+            return await context.SaveChangesAsync(cancellationToken) > 0
+                ? Result.Ok()
+                : Result.Fail($"Failed to update package with id {packageId}");
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+
+    public async ValueTask<Result<Guid>> UpdatePackageStatusAsync(Guid packageId, bool active, CancellationToken cancellationToken = default)
+    {
+        try
+        {
+            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
+
+            var package = await context.Packages.FirstOrDefaultAsync(p => p.Id == packageId, cancellationToken);
+
+            if (package is null)
+                return Result.Fail($"Could not find package by id {packageId}");
+
+            package.Active = active;
+
+            return await context.SaveChangesAsync(cancellationToken) > 0
+                ? Result.Ok()
+                : Result.Fail($"Failed to update package with id {packageId}");
+        }
+        catch (Exception ex)
+        {
+            return Result.Fail(new Error(ex.Message).CausedBy(ex));
+        }
+    }
+}