| | | 1 | | using Microsoft.AspNetCore.Mvc.Abstractions; |
| | | 2 | | using Microsoft.OpenApi; |
| | | 3 | | using Plainquire.Page.Swashbuckle.Models; |
| | | 4 | | using Swashbuckle.AspNetCore.SwaggerGen; |
| | | 5 | | using System; |
| | | 6 | | using System.Collections.Generic; |
| | | 7 | | using System.Linq; |
| | | 8 | | using System.Text.Json.Nodes; |
| | | 9 | | |
| | | 10 | | namespace Plainquire.Page.Swashbuckle; |
| | | 11 | | |
| | | 12 | | /// <summary> |
| | | 13 | | /// Extension methods for <see cref="OpenApiOperation"/>. |
| | | 14 | | /// </summary> |
| | | 15 | | internal static class OpenApiOperationExtensions |
| | | 16 | | { |
| | | 17 | | private const string PARAMETER_INDEX_EXTENSION = "x-original-parameter-index"; |
| | | 18 | | private const string ENTITY_PAGE_EXTENSION = "x-entity-page"; |
| | | 19 | | private const string ENTITY_DELETE_EXTENSION = "x-entity-page-delete"; |
| | | 20 | | |
| | | 21 | | /// <summary> |
| | | 22 | | /// Replaces <see cref="EntityPage{TEntity}"/> and with the sort parameters. |
| | | 23 | | /// </summary> |
| | | 24 | | /// <param name="operation">The <see cref="OpenApiOperation"/> to operate on.</param> |
| | | 25 | | /// <param name="parametersToReplace">The parameters to replace.</param> |
| | | 26 | | public static void ReplacePageParameters(this OpenApiOperation operation, IList<PageParameterReplacement> parameters |
| | | 27 | | { |
| | 25 | 28 | | MarkExistingParametersForDeletion(parametersToReplace); |
| | 25 | 29 | | ReplacePageNumberParameters(operation, parametersToReplace); |
| | 25 | 30 | | ReplacePageSizeParameters(operation, parametersToReplace); |
| | 25 | 31 | | RemoveParametersMarkedForDeletion(operation); |
| | 25 | 32 | | } |
| | | 33 | | |
| | | 34 | | public static void AddOriginalIndexExtensionIfMissing(this OpenApiOperation operation, OperationFilterContext contex |
| | | 35 | | { |
| | 25 | 36 | | if (operation.Parameters == null) |
| | 0 | 37 | | return; |
| | | 38 | | |
| | 25 | 39 | | var indexExtensionsAlreadyAdded = operation.Parameters.Any(p => p.Extensions?.ContainsKey(PARAMETER_INDEX_EXTENS |
| | 25 | 40 | | if (indexExtensionsAlreadyAdded) |
| | 4 | 41 | | return; |
| | | 42 | | |
| | 150 | 43 | | for (var index = 0; index < operation.Parameters.Count; index++) |
| | | 44 | | { |
| | 54 | 45 | | var parameter = operation.Parameters[index]; |
| | 54 | 46 | | if (parameter is not IOpenApiExtensible openApiParameter) |
| | 0 | 47 | | throw new InvalidOperationException("The OpenApiParameter must implement IOpenApiExtensible to be replac |
| | | 48 | | |
| | 54 | 49 | | openApiParameter.Extensions ??= new Dictionary<string, IOpenApiExtension>(StringComparer.OrdinalIgnoreCase); |
| | 54 | 50 | | openApiParameter.Extensions.Add(PARAMETER_INDEX_EXTENSION, new JsonNodeExtension(JsonValue.Create(index))); |
| | | 51 | | } |
| | 21 | 52 | | } |
| | | 53 | | |
| | | 54 | | public static int GetOriginalIndex(this IOpenApiParameter parameter) |
| | | 55 | | { |
| | 90 | 56 | | if (parameter.Extensions == null) |
| | 0 | 57 | | return -1; |
| | | 58 | | |
| | 90 | 59 | | if (!parameter.Extensions.TryGetValue(PARAMETER_INDEX_EXTENSION, out var extension)) |
| | 16 | 60 | | return -1; |
| | | 61 | | |
| | 74 | 62 | | if (extension is not JsonNodeExtension nodeExtension) |
| | 0 | 63 | | throw new InvalidOperationException($"Extension '{PARAMETER_INDEX_EXTENSION}' must be of type {nameof(JsonNo |
| | | 64 | | |
| | 74 | 65 | | if (nodeExtension.Node is not JsonValue jsonValue) |
| | 0 | 66 | | throw new InvalidOperationException($"Value of extension '{PARAMETER_INDEX_EXTENSION}' must be of type {name |
| | | 67 | | |
| | 74 | 68 | | return jsonValue.GetValue<int>(); |
| | | 69 | | } |
| | | 70 | | |
| | | 71 | | private static void ReplacePageNumberParameters(OpenApiOperation operation, IList<PageParameterReplacement> paramete |
| | | 72 | | { |
| | 25 | 73 | | var httpQueryParameterGroup = GroupByPageNumberHttpQueryParameterName(parametersToReplace); |
| | 114 | 74 | | foreach (var (queryParameter, parameters) in httpQueryParameterGroup) |
| | | 75 | | { |
| | 32 | 76 | | var openApiParameter = new OpenApiParameter |
| | 32 | 77 | | { |
| | 32 | 78 | | Name = queryParameter, |
| | 32 | 79 | | Description = "Pages the result by the given page number.", |
| | 32 | 80 | | Schema = new OpenApiSchema |
| | 32 | 81 | | { |
| | 32 | 82 | | Type = JsonSchemaType.Integer, |
| | 32 | 83 | | Format = "int32" |
| | 32 | 84 | | }, |
| | 32 | 85 | | In = ParameterLocation.Query, |
| | 32 | 86 | | Extensions = new Dictionary<string, IOpenApiExtension>(StringComparer.OrdinalIgnoreCase) |
| | 32 | 87 | | { |
| | 32 | 88 | | [ENTITY_PAGE_EXTENSION] = new JsonNodeExtension(JsonValue.Create(true)) |
| | 32 | 89 | | } |
| | 32 | 90 | | }; |
| | | 91 | | |
| | 32 | 92 | | operation.Parameters ??= new List<IOpenApiParameter>(); |
| | 32 | 93 | | var insertionIndex = operation.Parameters.IndexOf(parameters[0].OpenApiParameter); |
| | 32 | 94 | | operation.Parameters.Insert(insertionIndex, openApiParameter); |
| | | 95 | | } |
| | 25 | 96 | | } |
| | | 97 | | |
| | | 98 | | private static void ReplacePageSizeParameters(OpenApiOperation operation, IList<PageParameterReplacement> parameters |
| | | 99 | | { |
| | 25 | 100 | | var httpQueryParameterGroup = GroupByPageSizeHttpQueryParameterName(parametersToReplace); |
| | 112 | 101 | | foreach (var (queryParameter, parameters) in httpQueryParameterGroup) |
| | | 102 | | { |
| | 31 | 103 | | var openApiParameter = new OpenApiParameter |
| | 31 | 104 | | { |
| | 31 | 105 | | Name = queryParameter, |
| | 31 | 106 | | Description = "Pages the result by the given page size.", |
| | 31 | 107 | | Schema = new OpenApiSchema |
| | 31 | 108 | | { |
| | 31 | 109 | | Type = JsonSchemaType.Integer, |
| | 31 | 110 | | Format = "int32" |
| | 31 | 111 | | }, |
| | 31 | 112 | | In = ParameterLocation.Query, |
| | 31 | 113 | | Extensions = new Dictionary<string, IOpenApiExtension>(StringComparer.OrdinalIgnoreCase) |
| | 31 | 114 | | { |
| | 31 | 115 | | [ENTITY_PAGE_EXTENSION] = new JsonNodeExtension(JsonValue.Create(true)) |
| | 31 | 116 | | } |
| | 31 | 117 | | }; |
| | | 118 | | |
| | 31 | 119 | | operation.Parameters ??= new List<IOpenApiParameter>(); |
| | 31 | 120 | | var insertionIndex = operation.Parameters.IndexOf(parameters[0].OpenApiParameter); |
| | 31 | 121 | | operation.Parameters.Insert(insertionIndex, openApiParameter); |
| | | 122 | | } |
| | 25 | 123 | | } |
| | | 124 | | |
| | | 125 | | private static Dictionary<string, List<PageParameterReplacement>> GroupByPageNumberHttpQueryParameterName(IList<Page |
| | 25 | 126 | | => parametersToReplace |
| | 25 | 127 | | .GroupBy(parameter => GetPageNumberParameterName(parameter.OpenApiDescription.ParameterDescriptor), StringCo |
| | 25 | 128 | | .ToDictionary( |
| | 25 | 129 | | group => group.Key, |
| | 25 | 130 | | group => group.ToList(), |
| | 25 | 131 | | StringComparer.OrdinalIgnoreCase |
| | 25 | 132 | | ); |
| | | 133 | | |
| | | 134 | | private static Dictionary<string, List<PageParameterReplacement>> GroupByPageSizeHttpQueryParameterName(IList<PagePa |
| | 25 | 135 | | => parametersToReplace |
| | 25 | 136 | | .GroupBy(parameter => GetPageSizeParameterName(parameter.OpenApiDescription.ParameterDescriptor), StringComp |
| | 25 | 137 | | .ToDictionary( |
| | 25 | 138 | | group => group.Key, |
| | 25 | 139 | | group => group.ToList(), |
| | 25 | 140 | | StringComparer.OrdinalIgnoreCase |
| | 25 | 141 | | ); |
| | | 142 | | |
| | | 143 | | private static void MarkExistingParametersForDeletion(IList<PageParameterReplacement> parameters) |
| | | 144 | | { |
| | 158 | 145 | | foreach (var parameter in parameters) |
| | | 146 | | { |
| | 54 | 147 | | if (parameter.OpenApiParameter is not IOpenApiExtensible extensibleParameter) |
| | 0 | 148 | | throw new InvalidOperationException("The OpenApiParameter must implement IOpenApiExtensible to be replac |
| | | 149 | | |
| | 54 | 150 | | extensibleParameter.Extensions ??= new Dictionary<string, IOpenApiExtension>(StringComparer.OrdinalIgnoreCas |
| | 54 | 151 | | extensibleParameter.Extensions.TryAdd(ENTITY_DELETE_EXTENSION, new JsonNodeExtension(JsonValue.Create(true)) |
| | | 152 | | } |
| | 25 | 153 | | } |
| | | 154 | | |
| | | 155 | | private static void RemoveParametersMarkedForDeletion(OpenApiOperation operation) |
| | | 156 | | { |
| | 25 | 157 | | operation.Parameters ??= new List<IOpenApiParameter>(); |
| | 25 | 158 | | var parametersToRemove = operation.Parameters |
| | 25 | 159 | | .Where(parameter => |
| | 25 | 160 | | { |
| | 25 | 161 | | if (parameter is not IOpenApiExtensible extensibleParameter) |
| | 25 | 162 | | throw new InvalidOperationException("The OpenApiParameter must implement IOpenApiExtensible to be re |
| | 25 | 163 | | |
| | 25 | 164 | | extensibleParameter.Extensions ??= new Dictionary<string, IOpenApiExtension>(StringComparer.OrdinalIgnor |
| | 25 | 165 | | return extensibleParameter.Extensions.ContainsKey(ENTITY_DELETE_EXTENSION); |
| | 25 | 166 | | }) |
| | 25 | 167 | | .ToList(); |
| | | 168 | | |
| | 158 | 169 | | foreach (var parameter in parametersToRemove) |
| | 54 | 170 | | operation.Parameters.Remove(parameter); |
| | 25 | 171 | | } |
| | | 172 | | |
| | | 173 | | private static string GetPageNumberParameterName(ParameterDescriptor parameterDescriptor) |
| | | 174 | | { |
| | 54 | 175 | | var actionParameterName = parameterDescriptor.Name; |
| | 54 | 176 | | var bindingParameterName = parameterDescriptor.BindingInfo?.BinderModelName; |
| | 54 | 177 | | var (pageNumberName, _) = ParameterExtensions.GetPageParameterNames(actionParameterName, bindingParameterName); |
| | 54 | 178 | | return pageNumberName; |
| | | 179 | | } |
| | | 180 | | |
| | | 181 | | private static string GetPageSizeParameterName(ParameterDescriptor parameterDescriptor) |
| | | 182 | | { |
| | 54 | 183 | | var actionParameterName = parameterDescriptor.Name; |
| | 54 | 184 | | var bindingParameterName = parameterDescriptor.BindingInfo?.BinderModelName; |
| | 54 | 185 | | var (_, pageSizeName) = ParameterExtensions.GetPageParameterNames(actionParameterName, bindingParameterName); |
| | 54 | 186 | | return pageSizeName; |
| | | 187 | | } |
| | | 188 | | } |