chore: Update to net9

* Add ability to specify chart generation url for self hosted QuickChart

* Add more configuration setting:

if user specify: a host only, default to https:443,
	         a host and http, set port to 80
	         a host and https, set port to 443

Co-authored-by: Duca Diana <dduca@globebmg.com>

QuickChart.sln

@@ -9,7 +9,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickChartExamples", "QuickChartExamples\QuickChartExamples.csproj", "{52AC08E4-5A20-4A46-A117-BFAC03BB7940}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickChartTest", "QuickChartTest\QuickChartTest.csproj", "{0CEF2268-6F2B-4DEB-B152-DDA0B09ABEDA}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickChartTest", "QuickChartTest\QuickChartTest.csproj", "{21C67AF9-6B21-4FA3-A203-294C36DC7F2A}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -25,10 +25,10 @@ Global
 		{52AC08E4-5A20-4A46-A117-BFAC03BB7940}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{52AC08E4-5A20-4A46-A117-BFAC03BB7940}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{52AC08E4-5A20-4A46-A117-BFAC03BB7940}.Release|Any CPU.Build.0 = Release|Any CPU
-		{0CEF2268-6F2B-4DEB-B152-DDA0B09ABEDA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{0CEF2268-6F2B-4DEB-B152-DDA0B09ABEDA}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{0CEF2268-6F2B-4DEB-B152-DDA0B09ABEDA}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{0CEF2268-6F2B-4DEB-B152-DDA0B09ABEDA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{21C67AF9-6B21-4FA3-A203-294C36DC7F2A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{21C67AF9-6B21-4FA3-A203-294C36DC7F2A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{21C67AF9-6B21-4FA3-A203-294C36DC7F2A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{21C67AF9-6B21-4FA3-A203-294C36DC7F2A}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

QuickChart/QuickChart.cs

@@ -22,6 +22,7 @@ namespace QuickChart
         public string Format { get; set; }
         public string BackgroundColor { get; set; }
         public string Key { get; set; }
+        public string Version { get; set; }
         public string Config { get; set; }
 
         public string Scheme { get; set; }
@@ -30,7 +31,7 @@ namespace QuickChart
 
         private static readonly HttpClient Client = new HttpClient();
 
-        public Chart()
+        public Chart(string scheme = null, string host = null, int? port = null)
         {
             Width = 500;
             Height = 300;
@@ -38,10 +39,41 @@ namespace QuickChart
             Format = "png";
             BackgroundColor = "transparent";
 
+            if (host != null)
+            {
+                Host = host;
+                if (scheme != null)
+                {
+                    Scheme = scheme;
+                    if (port.HasValue)
+                    {
+                        Port = port.Value;
+                    }
+                    else
+                    {
+                        if(scheme == "http")
+                        {
+                            Port = 80;
+                        }
+                        else
+                        {
+                            Port = 443;
+                        }
+                    }
+                }
+                else
+                {
+                    Scheme = "https";
+                    Port = 443;
+                }
+            }
+            else
+            {
                 Scheme = "https";
                 Host = "quickchart.io";
                 Port = 443;
             }
+        }
 
         public string GetUrl()
         {
@@ -62,6 +94,10 @@ namespace QuickChart
             {
                 builder.Append("&key=").Append(Uri.EscapeDataString(Key));
             }
+            if (!string.IsNullOrEmpty(Version))
+            {
+                builder.Append("&v=").Append(Uri.EscapeDataString(Version));
+            }
 
             return $"{Scheme}://{Host}:{Port}/chart?{builder}";
         }
@@ -85,6 +121,7 @@ namespace QuickChart
                 format = Format,
                 chart = Config,
                 key = Key,
+                version = Version,
             }, options);
 
             string url = $"{Scheme}://{Host}:{Port}/chart/create";
@@ -96,7 +133,7 @@ namespace QuickChart
 
             if (!response.IsSuccessStatusCode)
             {
-                throw new Exception("Unsuccessful response from API");
+                throw new ApiException("Unsuccessful response from API", response);
             }
 
             string responseText = response.Content.ReadAsStringAsync().Result;
@@ -123,6 +160,7 @@ namespace QuickChart
                 format = Format,
                 chart = Config,
                 key = Key,
+                version = Version,
             }, options);
 
             string url = $"{Scheme}://{Host}:{Port}/chart";
@@ -134,7 +172,7 @@ namespace QuickChart
 
             if (!response.IsSuccessStatusCode)
             {
-                throw new Exception("Unsuccessful response from API");
+                throw new ApiException("Unsuccessful response from API", response);
             }
 
             return response.Content.ReadAsByteArrayAsync().Result;
@@ -145,4 +183,12 @@ namespace QuickChart
             File.WriteAllBytes(filePath, this.ToByteArray());
         }
     }
+
+    public class ApiException : Exception
+    {
+        public ApiException(string message, HttpResponseMessage response) : base(message) 
+            => this.Response = response;
+
+        public HttpResponseMessage Response { get; private set; }
+    }
 }

QuickChart/QuickChart.csproj

@@ -2,11 +2,10 @@
 
   <PropertyGroup>
     <OutputType>Library</OutputType>
-    <TargetFrameworks>netcoreapp3.1;netstandard2.0;net472</TargetFrameworks>
+    <TargetFrameworks>net9.0</TargetFrameworks>
     <PackOnBuild>true</PackOnBuild>
     <Authors>Ian Webster</Authors>
-    <Copyright>Ian Webster 2020</Copyright>
-    <PackageLicenseUrl>https://github.com/typpo/quickchart-csharp/blob/main/LICENSE</PackageLicenseUrl>
+    <Copyright>Ian Webster</Copyright>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <Owners>QuickChart</Owners>
     <PackageProjectUrl>https://github.com/typpo/quickchart-csharp</PackageProjectUrl>
@@ -14,7 +13,7 @@
     <PackageTags>chart image, chart api, chart, charts, image charts</PackageTags>
     <Title>QuickChart</Title>
     <Description>Client library for the QuickChart Chart API, used to generate chart images.</Description>
-    <PackageVersion>2.0.0</PackageVersion>
+    <PackageVersion>2.3.0</PackageVersion>
     <PackageId>QuickChart</PackageId>
   </PropertyGroup>
 

QuickChartTest/QuickChartTest.cs

@@ -59,5 +59,86 @@ namespace QuickChartTest
             Assert.Contains("h=300", url);
             Assert.Contains("key=abc123", url);
         }
+
+        [Fact]
+        public void TestWithFormat()
+        {
+            Chart qc = new Chart
+            {
+                Width = 500,
+                Height = 300,
+                Format = "svg",
+                Config = @"{
+                type: 'bar',
+                data: {
+                    labels: ['Q1', 'Q2', 'Q3', 'Q4'],
+                    datasets: [{
+                        label: 'Users',
+                        data: [50, 60, 70, 180]
+                    }]
+                }
+            }"
+            };
+
+            string url = qc.GetUrl();
+            Assert.Contains("https://quickchart.io:443/chart", url);
+            Assert.Contains("w=500", url);
+            Assert.Contains("h=300", url);
+            Assert.Contains("f=svg", url);
+        }
+
+        [Fact]
+        public void TestWithVersion()
+        {
+            Chart qc = new Chart
+            {
+                Width = 500,
+                Height = 300,
+                Version = "2.9.4",
+                Config = @"{
+                type: 'bar',
+                data: {
+                    labels: ['Q1', 'Q2', 'Q3', 'Q4'],
+                    datasets: [{
+                        label: 'Users',
+                        data: [50, 60, 70, 180]
+                    }]
+                }
+            }"
+            };
+
+            string url = qc.GetUrl();
+            Assert.Contains("https://quickchart.io:443/chart", url);
+            Assert.Contains("w=500", url);
+            Assert.Contains("h=300", url);
+            Assert.Contains("v=2.9.4", url);
+        }
+
+        [Fact]
+        public void TestWithSelfHostingQuickChart()
+        {
+            var scheme = "http";
+            var host = "localhost";
+            var port = 47000;
+            Chart qc = new Chart(scheme, host, port);
+            qc.Width = 500;
+            qc.Height = 300;
+            qc.Config = @"{
+                type: 'bar',
+                data: {
+                    labels: ['Q1', 'Q2', 'Q3', 'Q4'],
+                    datasets: [{
+                        label: 'Users',
+                        data: [50, 60, 70, 180]
+                    }]
+                }[]
+            }";
+
+            string url = qc.GetUrl();
+            Assert.Contains($"{scheme}://{host}:{port}/chart", url);
+            Assert.Contains("w=500", url);
+            Assert.Contains("h=300", url);
+            Assert.DoesNotContain("key=", url);
+        }
     }
 }

README.md

@@ -10,11 +10,11 @@ A C# client for the [quickchart.io](https://quickchart.io/) chart API.
 Use `QuickChart/QuickChart.cs` in this project, or install the `QuickChart` package from [NuGet](https://www.nuget.org/packages/QuickChart):
 
 ```
-PM> Install-Package QuickChart -Version 2.0.0
+PM> Install-Package QuickChart -Version 2.1.0
 ```
 or
 ```
-dotnet add package QuickChart --version 2.0.0
+dotnet add package QuickChart --version 2.1.0
 ```
 ---
 ## Usage
@@ -26,6 +26,7 @@ Chart qc = new Chart();
 
 qc.Width = 500;
 qc.Height = 300;
+qc.Version = "2.9.4";
 qc.Config = @"{
     type: 'bar',
     data: {
@@ -77,6 +78,12 @@ The background color of the chart. Any valid HTML color works. Defaults to #ffff
 #### DevicePixelRatio: double
 The device pixel ratio of the chart. This will multiply the number of pixels by the value. This is usually used for retina displays. Defaults to 1.0.
 
+#### Format: string
+The output format of the chart. Defaults to "png"
+
+#### Version: string
+Chart.js version.  See [documentation](https://quickchart.io/documentation/#parameters) for supported versions.
+
 #### Key: string
 API key (not required)