├── .gitignore
├── LICENSE
├── Orders-GraphQL.sln
├── Orders
├── Models
│ ├── Customer.cs
│ ├── Order.cs
│ ├── OrderCreateInput.cs
│ └── OrderEvent.cs
├── Orders.csproj
├── Schema
│ ├── CustomerType.cs
│ ├── OrderCreateInputType.cs
│ ├── OrderEventType.cs
│ ├── OrderStatusesEnum.cs
│ ├── OrderType.cs
│ ├── OrdersMutation.cs
│ ├── OrdersQuery.cs
│ ├── OrdersSchema.cs
│ └── OrdersSubscription.cs
└── Services
│ ├── CustomerService.cs
│ ├── OrderEventService.cs
│ └── OrderService.cs
├── README.MD
└── Server
├── Program.cs
├── Server.csproj
├── Startup.cs
└── wwwroot
├── graphiql.css
├── graphiql.js
├── graphiql.min.js
└── index.html
/.gitignore:
--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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/Orders-GraphQL.sln:
--------------------------------------------------------------------------------
1 |
2 | Microsoft Visual Studio Solution File, Format Version 12.00
3 | # Visual Studio 15
4 | VisualStudioVersion = 15.0.27130.2020
5 | MinimumVisualStudioVersion = 10.0.40219.1
6 | Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Server", "Server\Server.csproj", "{59A54287-7074-49AA-A008-D5EECDE28B03}"
7 | EndProject
8 | Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Orders", "Orders\Orders.csproj", "{E9E34DB4-347F-49C8-8838-DFD35C0BCD0C}"
9 | EndProject
10 | Global
11 | GlobalSection(SolutionConfigurationPlatforms) = preSolution
12 | Debug|Any CPU = Debug|Any CPU
13 | Release|Any CPU = Release|Any CPU
14 | EndGlobalSection
15 | GlobalSection(ProjectConfigurationPlatforms) = postSolution
16 | {59A54287-7074-49AA-A008-D5EECDE28B03}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
17 | {59A54287-7074-49AA-A008-D5EECDE28B03}.Debug|Any CPU.Build.0 = Debug|Any CPU
18 | {59A54287-7074-49AA-A008-D5EECDE28B03}.Release|Any CPU.ActiveCfg = Release|Any CPU
19 | {59A54287-7074-49AA-A008-D5EECDE28B03}.Release|Any CPU.Build.0 = Release|Any CPU
20 | {E9E34DB4-347F-49C8-8838-DFD35C0BCD0C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
21 | {E9E34DB4-347F-49C8-8838-DFD35C0BCD0C}.Debug|Any CPU.Build.0 = Debug|Any CPU
22 | {E9E34DB4-347F-49C8-8838-DFD35C0BCD0C}.Release|Any CPU.ActiveCfg = Release|Any CPU
23 | {E9E34DB4-347F-49C8-8838-DFD35C0BCD0C}.Release|Any CPU.Build.0 = Release|Any CPU
24 | EndGlobalSection
25 | GlobalSection(SolutionProperties) = preSolution
26 | HideSolutionNode = FALSE
27 | EndGlobalSection
28 | GlobalSection(ExtensibilityGlobals) = postSolution
29 | SolutionGuid = {1D545C02-0133-4F38-9D1F-4DA3BD5E4DC6}
30 | EndGlobalSection
31 | EndGlobal
32 |
--------------------------------------------------------------------------------
/Orders/Models/Customer.cs:
--------------------------------------------------------------------------------
1 | using System;
2 | using System.Collections.Generic;
3 | using System.Text;
4 |
5 | namespace Orders.Models
6 | {
7 | public class Customer
8 | {
9 | public Customer(int id, string name)
10 | {
11 | Id = id;
12 | Name = name;
13 | }
14 |
15 | public int Id { get; }
16 | public string Name { get; set; }
17 | }
18 | }
19 |
--------------------------------------------------------------------------------
/Orders/Models/Order.cs:
--------------------------------------------------------------------------------
1 | using System;
2 | using System.Collections.Generic;
3 | using System.Text;
4 |
5 | namespace Orders.Models
6 | {
7 | public class Order
8 | {
9 | public Order(string name, string description, DateTime created, int customerId, string Id)
10 | {
11 | Name = name;
12 | Description = description;
13 | Created = created;
14 | CustomerId = customerId;
15 | this.Id = Id;
16 | Status = OrderStatuses.CREATED;
17 | }
18 |
19 | public string Name { get; set; }
20 | public string Description { get; set; }
21 | public DateTime Created { get; private set; }
22 | public int CustomerId { get; set; }
23 | public string Id { get; private set; }
24 | public OrderStatuses Status { get; private set; }
25 |
26 | public void Start()
27 | {
28 | if (Status != OrderStatuses.CREATED) {
29 | throw new InvalidOperationException(string.Format("Order: {0} cannot be started", Id));
30 | }
31 | Status = OrderStatuses.PROCESSING;
32 | }
33 |
34 | public void Complete() {
35 | if (Status != OrderStatuses.PROCESSING) {
36 | throw new InvalidOperationException(string.Format("Order: {0} cannot be completed", Id));
37 | }
38 |
39 | Status = OrderStatuses.COMPLETED;
40 | }
41 |
42 | public void Cancel() {
43 | if (Status == OrderStatuses.CANCELLED || Status == OrderStatuses.CLOSED || Status == OrderStatuses.COMPLETED) {
44 | throw new InvalidOperationException(string.Format("Order: {0} cannot be cancelled", Id));
45 | }
46 |
47 | Status = OrderStatuses.CANCELLED;
48 | }
49 |
50 | public void Close() {
51 | if (Status != OrderStatuses.COMPLETED) {
52 | throw new InvalidOperationException(string.Format("Order: {0} cannot be closed", Id));
53 | }
54 |
55 | Status = OrderStatuses.CLOSED;
56 | }
57 |
58 |
59 | }
60 |
61 | [Flags]
62 | public enum OrderStatuses
63 | {
64 | CREATED = 2,
65 | PROCESSING = 4,
66 | COMPLETED = 8,
67 | CANCELLED = 16,
68 | CLOSED = 32
69 | }
70 | }
71 |
--------------------------------------------------------------------------------
/Orders/Models/OrderCreateInput.cs:
--------------------------------------------------------------------------------
1 | using System;
2 | using System.Collections.Generic;
3 | using System.Text;
4 |
5 | namespace Orders.Models
6 | {
7 | public class OrderCreateInput
8 | {
9 | public string Name { get; set; }
10 | public string Description { get; set; }
11 | public int CustomerId { get; set; }
12 | public DateTime Created { get; set; }
13 | }
14 | }
15 |
--------------------------------------------------------------------------------
/Orders/Models/OrderEvent.cs:
--------------------------------------------------------------------------------
1 | using System;
2 | using System.Collections.Generic;
3 | using System.Text;
4 |
5 | namespace Orders.Models
6 | {
7 | public class OrderEvent
8 | {
9 | public OrderEvent(string orderId, string name, OrderStatuses status, DateTime timestamp)
10 | {
11 | OrderId = orderId;
12 | Name = name;
13 | Status = status;
14 | Timestamp = timestamp;
15 | Id = Guid.NewGuid().ToString();
16 | }
17 | public string Id { get; set; }
18 | public string OrderId { get; set; }
19 | public string Name { get; set; }
20 | public OrderStatuses Status { get; set; }
21 | public DateTime Timestamp { get; private set; }
22 | }
23 | }
24 |
--------------------------------------------------------------------------------
/Orders/Orders.csproj:
--------------------------------------------------------------------------------
1 |
2 |
3 |
4 | netstandard2.0
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
--------------------------------------------------------------------------------
/Orders/Schema/CustomerType.cs:
--------------------------------------------------------------------------------
1 | using GraphQL.Types;
2 | using Orders.Models;
3 | using System;
4 | using System.Collections.Generic;
5 | using System.Text;
6 |
7 | namespace Orders.Schema
8 | {
9 | public class CustomerType : ObjectGraphType
10 | {
11 | public CustomerType()
12 | {
13 | Field(c => c.Id);
14 | Field(c => c.Name);
15 | }
16 | }
17 | }
18 |
--------------------------------------------------------------------------------
/Orders/Schema/OrderCreateInputType.cs:
--------------------------------------------------------------------------------
1 | using GraphQL.Types;
2 | using System;
3 | using System.Collections.Generic;
4 | using System.Text;
5 |
6 | namespace Orders.Schema
7 | {
8 | public class OrderCreateInputType : InputObjectGraphType
9 | {
10 | public OrderCreateInputType()
11 | {
12 | Name = "OrderInput";
13 | Field>("name");
14 | Field>("description");
15 | Field>("customerId");
16 | Field>("created");
17 | }
18 | }
19 | }
20 |
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/Orders/Schema/OrderEventType.cs:
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1 | using System;
2 | using System.Collections.Generic;
3 | using System.Text;
4 | using GraphQL.Types;
5 | using Orders.Models;
6 |
7 | namespace Orders.Schema
8 | {
9 | public class OrderEventType : ObjectGraphType
10 | {
11 | public OrderEventType()
12 | {
13 | Field(e => e.Id);
14 | Field(e => e.Name);
15 | Field(e => e.OrderId);
16 | Field("status",
17 | resolve: context => context.Source.Status);
18 | Field(e => e.Timestamp);
19 | }
20 | }
21 | }
22 |
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/Orders/Schema/OrderStatusesEnum.cs:
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1 | using GraphQL.Types;
2 | using System;
3 | using System.Collections.Generic;
4 | using System.Text;
5 |
6 | namespace Orders.Schema
7 | {
8 | public class OrderStatusesEnum : EnumerationGraphType
9 | {
10 | public OrderStatusesEnum()
11 | {
12 | Name = "OrderStatuses";
13 | AddValue("CREATED", "Order was created", 2);
14 | AddValue("PROCESSING", "Order is being processed", 4);
15 | AddValue("COMPLETED", "Order is completed", 8);
16 | AddValue("CANCELLED", "Order was cancelled", 16);
17 | AddValue("CLOSED", "Order was closed", 32);
18 | }
19 | }
20 | }
21 |
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/Orders/Schema/OrderType.cs:
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1 | using GraphQL.Types;
2 | using Orders.Models;
3 | using Orders.Services;
4 | using System;
5 | using System.Collections.Generic;
6 | using System.Text;
7 |
8 | namespace Orders.Schema
9 | {
10 | public class OrderType : ObjectGraphType
11 | {
12 | public OrderType(ICustomerService customers)
13 | {
14 | Field(o => o.Id);
15 | Field(o => o.Name);
16 | Field(o => o.Description);
17 | Field("customer",
18 | resolve: context => customers.GetCustomerByIdAsync(context.Source.CustomerId));
19 | Field(o => o.Created);
20 | Field("status",
21 | resolve: context => context.Source.Status);
22 | }
23 | }
24 | }
25 |
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/Orders/Schema/OrdersMutation.cs:
--------------------------------------------------------------------------------
1 | using GraphQL;
2 | using GraphQL.Types;
3 | using Orders.Models;
4 | using Orders.Services;
5 | using System;
6 | using System.Collections.Generic;
7 | using System.Text;
8 |
9 | namespace Orders.Schema
10 | {
11 | public class OrdersMutation : ObjectGraphType