update hotchocolate example with latest schema changes

See #166 for details. Resolves #189
apollographql · Feb 10, 2023 · 95e56c6 · 95e56c6
1 parent f3de5db
commit 95e56c6
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Showing 9 changed files with 171 additions and 16 deletions.
diff --git a/implementations/hotchocolate/Products.csproj b/implementations/hotchocolate/Products.csproj
@@ -11,8 +11,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="HotChocolate.AspNetCore" Version="12.6.0" />
-    <PackageReference Include="HotChocolate.ApolloFederation" Version="12.6.0" />
+    <PackageReference Include="HotChocolate.AspNetCore" Version="13.0.0" />
+    <PackageReference Include="HotChocolate.ApolloFederation" Version="13.0.0" />
   </ItemGroup>
 
 </Project>
diff --git a/implementations/hotchocolate/Types/CaseStudy.cs b/implementations/hotchocolate/Types/CaseStudy.cs
@@ -0,0 +1,16 @@
+namespace Products;
+
+public class CaseStudy
+{
+
+    public CaseStudy(string caseNumber, string? description)
+    {
+        CaseNumber = caseNumber;
+        Description = description;
+    }
+
+    [ID]
+    public string CaseNumber { get; }
+    public string? Description { get; }
+
+}
diff --git a/implementations/hotchocolate/Types/Data.cs b/implementations/hotchocolate/Types/Data.cs
@@ -2,9 +2,29 @@ namespace Products;
 
 public class Data
 {
+    private static ProductDimension Dimension = new("small", 1, "kg");
+    private static User DefaultUser = new("support@apollographql.com", "Jane Smith");
+    private static ProductResearch FederationStudy = new(new CaseStudy("1234", "Federation Study"), null);
+    private static ProductResearch StudioStudy = new(new CaseStudy("1235", "Studio Study"), null);
+
+    public List<User> Users { get; } = new List<User> {
+        DefaultUser
+    };
+
+    public List<ProductResearch> ProductResearches { get; } = new List<ProductResearch>
+    {
+        FederationStudy,
+        StudioStudy
+    };
+
     public List<Product> Products { get; } = new List<Product>
     {
-        new("apollo-federation", "federation", "@apollo/federation", "OSS"),
-        new("apollo-studio", "studio", string.Empty, "platform")
+        new("apollo-federation", "federation", "@apollo/federation", new ProductVariation("OSS"), Dimension, DefaultUser, null, new List<ProductResearch> { FederationStudy }),
+        new("apollo-studio", "studio", string.Empty, new ProductVariation("platform"), Dimension, DefaultUser, null, new List<ProductResearch> { StudioStudy })
+    };
+
+    public List<DeprecatedProduct> DeprecatedProducts { get; } = new List<DeprecatedProduct>
+    {
+        new ("apollo-federation-v1", "@apollo/federation-v1", "Migrate to Federation V2", DefaultUser)
     };
 }
diff --git a/implementations/hotchocolate/Types/DeprecatedProduct.cs b/implementations/hotchocolate/Types/DeprecatedProduct.cs
@@ -0,0 +1,32 @@
+using HotChocolate.ApolloFederation;
+
+namespace Products;
+
+[Key("sku package")]
+public class DeprecatedProduct
+{
+    public DeprecatedProduct(string sku, string package, string? reason, User? createdBy)
+    {
+        Sku = sku;
+        Package = package;
+        Reason = reason;
+        CreatedBy = createdBy;
+    }
+
+    public string Sku { get; }
+
+    public string Package { get; }
+
+    public string? Reason { get; }
+
+    public User? CreatedBy { get; }
+
+    [ReferenceResolver]
+    public static DeprecatedProduct? GetProductByPackage(
+        string sku,
+        string package,
+        Data repository)
+        => repository.DeprecatedProducts.FirstOrDefault(
+            t => t.Sku.Equals(sku) &&
+                t.Package.Equals(package));
+}
diff --git a/implementations/hotchocolate/Types/Product.cs b/implementations/hotchocolate/Types/Product.cs
@@ -7,12 +7,16 @@ namespace Products;
 [Key("sku variation { id }")]
 public class Product
 {
-    public Product(string id, string sku, string package, string variation)
+    public Product(string id, string? sku, string? package, ProductVariation? variation, ProductDimension? dimensions, User? createdBy, string? notes, List<ProductResearch> research)
     {
         Id = id;
         Sku = sku;
         Package = package;
-        Variation = new(variation);
+        Variation = variation;
+        Dimensions = dimensions;
+        CreatedBy = createdBy;
+        Notes = notes;
+        Research = research;
     }
 
     [ID]
@@ -24,10 +28,14 @@ public Product(string id, string sku, string package, string variation)
 
     public ProductVariation? Variation { get; }
 
-    public ProductDimension? Dimensions { get; } = new("small", 1);
+    public ProductDimension? Dimensions { get; }
 
     [Provides("totalProductsCreated")]
-    public User? CreatedBy { get; } = new("support@apollographql.com", 1337);
+    public User? CreatedBy { get; }
+
+    public string? Notes { get; }
+
+    public List<ProductResearch> Research { get; }
 
     [ReferenceResolver]
     public static Product? GetProductById(

diff --git a/implementations/hotchocolate/Types/ProductDimension.cs b/implementations/hotchocolate/Types/ProductDimension.cs
@@ -2,13 +2,16 @@ namespace Products;
 
 public class ProductDimension
 {
-    public ProductDimension(string size, double weight)
+    public ProductDimension(string size, double weight, string? unit)
     {
         Size = size;
         Weight = weight;
+        Unit = unit;
     }
 
     public string? Size { get; }
 
     public double? Weight { get; }
+
+    public string? Unit { get; }
 }
diff --git a/implementations/hotchocolate/Types/ProductResearch.cs b/implementations/hotchocolate/Types/ProductResearch.cs
@@ -0,0 +1,27 @@
+using HotChocolate.ApolloFederation;
+
+namespace Products;
+
+[Key("study { caseNumber }")]
+public class ProductResearch
+{
+
+    public ProductResearch(CaseStudy study, string? outcome)
+    {
+        Study = study;
+        Outcome = outcome;
+    }
+
+    public CaseStudy Study { get; }
+    public string? Outcome { get; }
+
+    [ReferenceResolver]
+    public static ProductResearch? GetProductReasearchByCaseNumber(
+        [Map("study.caseNumber")] string caseNumber,
+        Data repository)
+    {
+        Console.WriteLine("case number = {0}", caseNumber);
+        return repository.ProductResearches.FirstOrDefault(
+            r => r.Study.CaseNumber.Equals(caseNumber));
+    }
+}
diff --git a/implementations/hotchocolate/Types/Query.cs b/implementations/hotchocolate/Types/Query.cs
@@ -7,4 +7,8 @@ public class Query
 {
     public Product? GetProduct([ID] string id, Data repository)
         => repository.Products.FirstOrDefault(t => t.Id.Equals(id));
+
+    [GraphQLDeprecated("Use product query instead")]
+    public DeprecatedProduct? GetDeprecatedProduct(string sku, string package, Data repository)
+        => repository.DeprecatedProducts.FirstOrDefault(t => t.Sku.Equals(sku) && t.Package.Equals(package));
 }
diff --git a/implementations/hotchocolate/Types/User.cs b/implementations/hotchocolate/Types/User.cs
@@ -6,20 +6,65 @@ namespace Products;
 [ExtendServiceType]
 public class User
 {
-    public User()
+    public User(string email, string? name)
     {
+        Email = email;
+        Name = name;
     }
 
-    public User(string email, int? totalProductsCreated)
+    [Requires("totalProductsCreated yearsOfEmployment")]
+    public int? GetAverageProductsCreatedPerYear()
     {
-        Email = email;
-        TotalProductsCreated = totalProductsCreated;
+        if (TotalProductsCreated != null && LengthOfEmployment != null)
+        {
+            return Convert.ToInt32((TotalProductsCreated * 1.0) / LengthOfEmployment);
+        }
+        return null;
     }
 
     [ID]
     [External]
-    public string Email { get; set; } = default!;
+    public string Email { get; set; }
+
+    public string? Name { get; }
 
     [External]
-    public int? TotalProductsCreated { get; set; }
-}
+    public int? TotalProductsCreated { get; set; } = 1337;
+
+    [GraphQLIgnore]
+    public int? LengthOfEmployment { get; set; }
+
+    [External]
+    public int GetYearsOfEmployment()
+    {
+        if (LengthOfEmployment == null)
+        {
+            throw new InvalidOperationException("yearsOfEmployment should never be null - it should be populated by _entities query");
+        }
+
+        return (int)LengthOfEmployment;
+    }
+
+    [ReferenceResolver]
+    public static User? GetUserByEmail(
+        string email,
+        int? totalProductsCreated,
+        int? yearsOfEmployment,
+        Data repository)
+    {
+        User? user = repository.Users.FirstOrDefault(u => u.Email.Equals(email));
+        if (user != null)
+        {
+            if (totalProductsCreated != null)
+            {
+                user.TotalProductsCreated = totalProductsCreated;
+            }
+
+            if (yearsOfEmployment != null)
+            {
+                user.LengthOfEmployment = yearsOfEmployment;
+            }
+        }
+        return user;
+    }
+}