add connection string param to CLI

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Commands/NewCommand.cs

@@ -73,6 +73,14 @@ namespace Volo.Abp.Cli.Commands
                 Logger.LogInformation("UI Framework: " + uiFramework);
             }
 
+            var connectionString = commandLineArgs
+                .Options
+                .GetOrNull(Options.ConnectionString.Short, Options.ConnectionString.Long);
+            if (connectionString != null)
+            {
+                Logger.LogInformation("Connection string: " + connectionString);
+            }
+
             var mobileApp = GetMobilePreference(commandLineArgs);
             if (mobileApp != MobileApp.None)
             {
@@ -122,7 +130,8 @@ namespace Volo.Abp.Cli.Commands
                     mobileApp,
                     gitHubLocalRepositoryPath,
                     templateSource,
-                    commandLineArgs.Options
+                    commandLineArgs.Options,
+                    connectionString
                 )
             );
 
@@ -309,6 +318,12 @@ namespace Volo.Abp.Cli.Commands
                 public const string Long = "template-source";
             }
 
+            public static class ConnectionString
+            {
+                public const string Short = "cs";
+                public const string Long = "connection-string";
+            }
+
             public static class CreateSolutionFolder
             {
                 public const string Short = "csf";

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectBuilding/Building/Steps/ConnectionStringChangeStep.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Newtonsoft.Json;
+using Volo.Abp.Cli.ProjectBuilding.Files;
+
+namespace Volo.Abp.Cli.ProjectBuilding.Building.Steps
+{
+    public class ConnectionStringChangeStep : ProjectBuildPipelineStep
+    {
+        public override void Execute(ProjectBuildContext context)
+        {
+            var newConnectionString = context.BuildArgs.ConnectionString;
+
+            var appSettingsJsonFiles = context.Files.Where(f =>
+                f.Name.EndsWith("appsettings.json", StringComparison.OrdinalIgnoreCase));
+
+            foreach (var appSettingsJson in appSettingsJsonFiles)
+            {
+                var appSettingsObject = JsonConvert.DeserializeObject<AppSettingsConnectionStringModel>(appSettingsJson.Content);
+                var oldConnectionString = appSettingsObject.ConnectionStrings.Default;
+                appSettingsJson.ReplaceText(oldConnectionString, newConnectionString);
+            }
+        }
+
+        public class ConnectionStringModel
+        {
+            public string Default { get; set; }
+        }
+
+        public class AppSettingsConnectionStringModel
+        {
+            public ConnectionStringModel ConnectionStrings { get; set; }
+
+            public string GetDefaultConnectionString()
+            {
+                return ConnectionStrings?.Default;
+            }
+        }
+    }
+}

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectBuilding/Building/TemplateProjectBuildPipelineBuilder.cs

@@ -28,6 +28,11 @@ namespace Volo.Abp.Cli.ProjectBuilding.Building
                 pipeline.Steps.Add(new RemoveRootFolderStep());
             }
 
+            if (context.BuildArgs.ConnectionString != null)
+            {
+                pipeline.Steps.Add(new ConnectionStringChangeStep());
+            }
+
             pipeline.Steps.Add(new CreateProjectResultZipStep());
 
             return pipeline;

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectBuilding/ProjectBuildArgs.cs

@@ -27,6 +27,9 @@ namespace Volo.Abp.Cli.ProjectBuilding
         [CanBeNull]
         public string TemplateSource { get; set; }
 
+        [CanBeNull]
+        public string ConnectionString { get; set; }
+
         [NotNull]
         public Dictionary<string, string> ExtraProperties { get; set; }
 
@@ -39,7 +42,8 @@ namespace Volo.Abp.Cli.ProjectBuilding
             MobileApp? mobileApp = null,
             [CanBeNull] string abpGitHubLocalRepositoryPath = null,
             [CanBeNull] string templateSource = null,
-            Dictionary<string, string> extraProperties = null)
+            Dictionary<string, string> extraProperties = null,
+            [CanBeNull] string connectionString = null)
         {
             SolutionName = Check.NotNull(solutionName, nameof(solutionName));
             TemplateName = templateName;
@@ -50,6 +54,7 @@ namespace Volo.Abp.Cli.ProjectBuilding
             AbpGitHubLocalRepositoryPath = abpGitHubLocalRepositoryPath;
             TemplateSource = templateSource;
             ExtraProperties = extraProperties ?? new Dictionary<string, string>();
+            ConnectionString = connectionString;
         }
     }
 }