Fully remove the dependency on Newtonsoft.Json

src/Bot/Commands/Integrations/LolMmr/LolMmr.cs

@@ -46,9 +46,9 @@ namespace Geekbot.Bot.Commands.Integrations.LolMmr
 
                 var sb = new StringBuilder();
                 sb.AppendLine($"**MMR for {summonerName}**");
-                sb.AppendLine($"Normal: {data.Normal.Avg}");
+                sb.AppendLine($"Normal: {data.Normal?.Avg ?? 0}");
-                sb.AppendLine($"Ranked: {data.Ranked.Avg}");
+                sb.AppendLine($"Ranked: {data.Ranked?.Avg ?? 0}");
-                sb.AppendLine($"ARAM: {data.ARAM.Avg}");
+                sb.AppendLine($"ARAM: {data.ARAM?.Avg ?? 0}");
                 
                 await Context.Channel.SendMessageAsync(sb.ToString());
             }

src/Bot/Commands/Integrations/LolMmr/LolMmrDto.cs

@@ -1,9 +1,16 @@
+using System.Text.Json.Serialization;
+
 namespace Geekbot.Bot.Commands.Integrations.LolMmr
 {
     public class LolMmrDto
     {
+        [JsonPropertyName("ranked")]
         public LolMrrInfoDto Ranked { get; set; }
+        
+        [JsonPropertyName("normal")]
         public LolMrrInfoDto Normal { get; set; }
+        
+        [JsonPropertyName("aram")]
         public LolMrrInfoDto ARAM { get; set; }
     }
 }

src/Bot/Commands/Integrations/LolMmr/LolMrrInfoDto.cs

@@ -5,7 +5,6 @@ namespace Geekbot.Bot.Commands.Integrations.LolMmr
     public class LolMrrInfoDto
     {
         [JsonPropertyName("avg")]
-        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+        public decimal? Avg { get; set; }
-        public decimal Avg { get; set; } = 0;
     }
 }

src/Bot/Commands/Integrations/UbranDictionary/UrbanDictListItemDto.cs

@@ -1,12 +1,26 @@
-namespace Geekbot.Bot.Commands.Integrations.UbranDictionary
+using System.Text.Json.Serialization;
+
+namespace Geekbot.Bot.Commands.Integrations.UbranDictionary
 {
     internal class UrbanListItemDto
     {
+        
+        [JsonPropertyName("definition")]
         public string Definition { get; set; }
+        
+        [JsonPropertyName("permalink")]
         public string Permalink { get; set; }
-        public string ThumbsUp { get; set; }
+        
+        [JsonPropertyName("thumbs_up")]
+        public int ThumbsUp { get; set; }
+        
+        [JsonPropertyName("word")]
         public string Word { get; set; }
+        
+        [JsonPropertyName("example")]
         public string Example { get; set; }
-        public string ThumbsDown { get; set; }
+        
+        [JsonPropertyName("thumbs_down")]
+        public int ThumbsDown { get; set; }
     }
 }

src/Bot/Commands/Integrations/UbranDictionary/UrbanDictResponseDto.cs

@@ -1,10 +1,14 @@
 using System.Collections.Generic;
+using System.Text.Json.Serialization;
 
 namespace Geekbot.Bot.Commands.Integrations.UbranDictionary
 {
     internal class UrbanResponseDto
     {
+        [JsonPropertyName("tags")]
         public string[] Tags { get; set; }
+        
+        [JsonPropertyName("list")]
         public List<UrbanListItemDto> List { get; set; }
     }
 }

src/Bot/Commands/Integrations/UbranDictionary/UrbanDictionary.cs

@@ -45,8 +45,8 @@ namespace Geekbot.Bot.Commands.Integrations.UbranDictionary
 
                 if (!string.IsNullOrEmpty(definition.Definition)) eb.Description = ShortenIfToLong(definition.Definition, 1800);
                 if (!string.IsNullOrEmpty(definition.Example)) eb.AddField("Example", ShortenIfToLong(definition.Example, 1024));
-                if (!string.IsNullOrEmpty(definition.ThumbsUp)) eb.AddInlineField("Upvotes", definition.ThumbsUp);
+                if (definition.ThumbsUp != 0) eb.AddInlineField("Upvotes", definition.ThumbsUp);
-                if (!string.IsNullOrEmpty(definition.ThumbsDown)) eb.AddInlineField("Downvotes", definition.ThumbsDown);
+                if (definition.ThumbsDown != 0) eb.AddInlineField("Downvotes", definition.ThumbsDown);
                 if (definitions.Tags?.Length > 0) eb.AddField("Tags", string.Join(", ", definitions.Tags));
 
                 await ReplyAsync("", false, eb.Build());

src/Bot/Commands/Randomness/Cat/CatResponseDto.cs

@@ -1,7 +1,10 @@
-namespace Geekbot.Bot.Commands.Randomness.Cat
+using System.Text.Json.Serialization;
+
+namespace Geekbot.Bot.Commands.Randomness.Cat
 {
     internal class CatResponseDto
     {
+        [JsonPropertyName("file")]
         public string File { get; set; }
     }
 }

src/Bot/Commands/Randomness/Chuck/ChuckNorrisJokeResponseDto.cs

@@ -1,7 +1,10 @@
-namespace Geekbot.Bot.Commands.Randomness.Chuck
+using System.Text.Json.Serialization;
+
+namespace Geekbot.Bot.Commands.Randomness.Chuck
 {
     internal class ChuckNorrisJokeResponseDto
     {
+        [JsonPropertyName("value")]
         public string Value { get; set; }
     }
 }

src/Bot/Commands/Randomness/Dad/DadJokeResponseDto.cs

@@ -1,7 +1,10 @@
-namespace Geekbot.Bot.Commands.Randomness.Dad
+using System.Text.Json.Serialization;
+
+namespace Geekbot.Bot.Commands.Randomness.Dad
 {
     internal class DadJokeResponseDto
     {
+        [JsonPropertyName("joke")]
         public string Joke { get; set; }
     }
 }

src/Bot/Commands/Randomness/Dog/DogResponseDto.cs

@@ -1,7 +1,10 @@
-namespace Geekbot.Bot.Commands.Randomness.Dog
+using System.Text.Json.Serialization;
+
+namespace Geekbot.Bot.Commands.Randomness.Dog
 {
     internal class DogResponseDto
     {
+        [JsonPropertyName("url")]
         public string Url { get; set; }
     }
 }

src/Bot/Commands/Randomness/Greetings/GreetingBaseDto.cs

@@ -1,11 +1,22 @@
+using System.Text.Json.Serialization;
+
 namespace Geekbot.Bot.Commands.Randomness.Greetings
 {
     public class GreetingBaseDto
     {
+        [JsonPropertyName("language")]
         public string Language { get; set; }
+        
+        [JsonPropertyName("languageNative")]
         public string LanguageNative { get; set; }
+        
+        [JsonPropertyName("languageCode")]
         public string LanguageCode { get; set; }
+        
+        [JsonPropertyName("script")]
         public string Script { get; set; }
+
+        [JsonPropertyName("primary")]
         public GreetingDto Primary { get; set; }
     }
 }

src/Bot/Commands/Randomness/Greetings/GreetingDto.cs

@@ -1,10 +1,19 @@
+using System.Text.Json.Serialization;
+
 namespace Geekbot.Bot.Commands.Randomness.Greetings
 {
     public class GreetingDto
     {
+        [JsonPropertyName("text")]
         public string Text { get; set; }
+        
+        [JsonPropertyName("dialect")]
         public string Dialect { get; set; }
+        
+        [JsonPropertyName("romanization")]
         public string Romanization { get; set; }
+        
+        [JsonPropertyName("use")]
         public string[] Use { get; set; }
     }
 }

src/Bot/Commands/Randomness/Kanye/KanyeResponseDto.cs

@@ -1,8 +1,10 @@
+using System.Text.Json.Serialization;
+
 namespace Geekbot.Bot.Commands.Randomness.Kanye
 {
     public class KanyeResponseDto
     {
-        public string Id { get; set; }
+        [JsonPropertyName("quote")]
         public string Quote { get; set; }
     }
 }

src/Bot/Commands/Utils/Changelog/CommitAuthorDto.cs

@@ -1,11 +1,17 @@
 using System;
+using System.Text.Json.Serialization;
 
 namespace Geekbot.Bot.Commands.Utils.Changelog
 {
     public class CommitAuthorDto
     {
+        [JsonPropertyName("name")]
         public string Name { get; set; }
+        
+        [JsonPropertyName("email")]
         public string Email { get; set; }
+        
+        [JsonPropertyName("date")]
         public DateTimeOffset Date { get; set; }
     }
 }

src/Bot/Commands/Utils/Changelog/CommitDto.cs

@@ -1,7 +1,10 @@
-namespace Geekbot.Bot.Commands.Utils.Changelog
+using System.Text.Json.Serialization;
+
+namespace Geekbot.Bot.Commands.Utils.Changelog
 {
     public class CommitDto
     {
+        [JsonPropertyName("commit")]
         public CommitInfoDto Commit { get; set; }
     }
 }

src/Bot/Commands/Utils/Changelog/CommitInfoDto.cs

@@ -1,8 +1,13 @@
-namespace Geekbot.Bot.Commands.Utils.Changelog
+using System.Text.Json.Serialization;
+
+namespace Geekbot.Bot.Commands.Utils.Changelog
 {
     public class CommitInfoDto
     {
+        [JsonPropertyName("author")]
         public CommitAuthorDto Author { get; set; }
+        
+        [JsonPropertyName("message")]
         public string Message { get; set; }
     }
 }

src/Core/Core.csproj

@@ -28,7 +28,6 @@
         <PackageReference Include="Microsoft.Extensions.Configuration" Version="6.0.0-preview.2.21154.6" />
         <PackageReference Include="Microsoft.Extensions.Logging" Version="6.0.0-preview.2.21154.6" />
         <PackageReference Include="Microsoft.Extensions.Options" Version="6.0.0-preview.2.21154.6" />
-        <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
         <PackageReference Include="NLog" Version="4.7.2" />
         <PackageReference Include="NLog.Config" Version="4.7.2" />
         <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="6.0.0-preview2" />

src/Core/HttpAbstractions.cs

@@ -5,7 +5,6 @@ using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using System.Threading.Tasks;
-using Newtonsoft.Json;
 
 namespace Geekbot.Core
 {
@@ -39,7 +38,7 @@ namespace Geekbot.Core
                 httpClient.Dispose();
             }
 
-            return JsonConvert.DeserializeObject<TResponse>(stringResponse);
+            return JsonSerializer.Deserialize<TResponse>(stringResponse);
         }
         
         public static async Task<TResponse> Post<TResponse>(Uri location, object data, HttpClient httpClient = null, bool disposeClient = true)
@@ -48,7 +47,7 @@ namespace Geekbot.Core
             httpClient.BaseAddress = location;
 
             var content = new StringContent(
-                System.Text.Json.JsonSerializer.Serialize(data, new JsonSerializerOptions() { DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull }),
+                JsonSerializer.Serialize(data, new JsonSerializerOptions() { DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull }),
                 Encoding.UTF8,
                 "application/json"
             );
@@ -61,7 +60,7 @@ namespace Geekbot.Core
                 httpClient.Dispose();
             }
 
-            return JsonConvert.DeserializeObject<TResponse>(stringResponse);
+            return JsonSerializer.Deserialize<TResponse>(stringResponse);
         }
         
         public static async Task Post(Uri location, object data, HttpClient httpClient = null, bool disposeClient = true)