Fluent Extensions

Author: ildoc

src/Extensions/DictionaryExtensions.cs

@@ -35,5 +35,12 @@ public static TValue GetValueOrDefault<TKey, TValue>(this Dictionary<TKey, TValu
 
         public static Dictionary<TKey, TValue> ToDictionary<TKey, TValue>(this IEnumerable<KeyValuePair<TKey, TValue>> dict) =>
             dict.ToDictionary(x => x.Key, x => x.Value);
+
+        public static void AddIfNotDefault<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, TKey key, TValue value)
+            where TValue : class
+        {
+            if (value != default)
+                dictionary.Add(key, value);
+        }
     }
 }

src/Extensions/Extensions.csproj

@@ -6,7 +6,9 @@
 
   <ItemGroup>
     <PackageReference Include="EPPlus" Version="4.5.3.3" />
+    <PackageReference Include="FluentValidation" Version="11.0.2" />
     <PackageReference Include="Microsoft.AspNetCore.Hosting" Version="2.2.7" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.2.5" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="6.0.3" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.3" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="6.0.0" />

src/Extensions/FluentValidatorExtensions.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using FluentValidation;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Extensions
+{
+    public static class FluentValidatorExtensions
+    {
+        public static IRuleBuilderOptions<T, string> IsValidUrl<T>(this IRuleBuilder<T, string> ruleBuilder)
+        {
+            return ruleBuilder
+                .Must(x => Uri.IsWellFormedUriString(x, UriKind.Absolute))
+                .WithMessage("{PropertyName} is not a valid url");
+        }
+
+        public static ValidationProblemDetails ToProblemDetails(this ValidationException ex)
+        { // scopiazzatissimo da nick chapsas
+            var error = new ValidationProblemDetails
+            {
+                Type = "https://tools.ietf.org/html/rfc7231#section-6.5.1",
+                Status = 400
+            };
+
+            foreach (var validationFailure in ex.Errors)
+            {
+                if (error.Errors.ContainsKey(validationFailure.PropertyName))
+                {
+                    error.Errors[validationFailure.PropertyName] = error.Errors[validationFailure.PropertyName].Concat(new[] { validationFailure.ErrorMessage }).ToArray();
+                    continue;
+                }
+
+                error.Errors.Add(new KeyValuePair<string, string[]>(
+                    validationFailure.PropertyName,
+                    new[] { validationFailure.ErrorMessage }));
+            }
+
+            return error;
+        }
+    }
+}