Add ef core database drop support.

src/AbpDevTools/Commands/DatabaseDropCommand.cs

@@ -0,0 +1,95 @@
+using System.Diagnostics;
+using AbpDevTools.Notifications;
+using CliFx.Infrastructure;
+using Spectre.Console;
+
+namespace AbpDevTools.Commands;
+
+[Command("database-drop", Description = "Drops all databases in the working directory")]
+public class DatabaseDropCommand : ICommand
+{
+    [CommandParameter(0, IsRequired = false, Description = "Working directory to search for EntityFramework projects. Default: . (Current Directory)")]
+    public string WorkingDirectory { get; set; }
+
+    [CommandOption("force", 'f')]
+    public bool Force { get; set; }
+
+    protected readonly INotificationManager notificationManager;
+
+    public DatabaseDropCommand(INotificationManager notificationManager)
+    {
+        this.notificationManager = notificationManager;
+    }
+
+    public async ValueTask ExecuteAsync(IConsole console)
+    {
+        if (string.IsNullOrEmpty(WorkingDirectory))
+        {
+            WorkingDirectory = Directory.GetCurrentDirectory();
+        }
+
+        var efCoreProjects = await GetEfCoreProjectsAsync();
+
+        var cancellationToken = console.RegisterCancellationHandler();
+
+        var projectCount = efCoreProjects.Length;
+        if (projectCount == 0)
+        {
+            await console.Output.WriteLineAsync("Could not find any EntityFrameworkCore project in the working directory...");
+            return;
+        }
+
+        AnsiConsole.MarkupLine($"[green]{projectCount}[/] EntityFrameworkCore project(s) found in the directory. Trying to find and drop databases...");
+
+        var forcePostfix = Force ? " --force" : string.Empty;
+
+        for (var i = 0; i < projectCount; i++)
+        {
+            var efCoreProject = efCoreProjects[i];
+
+            AnsiConsole.MarkupLine($"[blue]## Project{(i + 1)} - {efCoreProject.Name.Replace(".csproj", string.Empty)}[/]");
+
+            var startInfo = new ProcessStartInfo("dotnet", $"ef database drop{forcePostfix}")
+            {
+                WorkingDirectory = efCoreProject.DirectoryName!,
+                RedirectStandardOutput = true,
+                CreateNoWindow = false
+            };
+
+            var process = Process.Start(startInfo)!;
+
+            process.OutputDataReceived += async (sender, args) =>
+            {
+                if (args?.Data != null)
+                {
+                    await console.Output.WriteLineAsync("* " + args.Data);
+                }
+            };
+
+            process.BeginOutputReadLine();
+
+            await process.WaitForExitAsync(cancellationToken);
+        }
+
+        if (!cancellationToken.IsCancellationRequested)
+        {
+            await notificationManager.SendAsync("Dropped database(s)", $"Dropped all databases in {WorkingDirectory}");
+        }
+    }
+
+    private async Task<FileInfo[]> GetEfCoreProjectsAsync()
+    {
+        return await AnsiConsole.Status()
+            .StartAsync("Searching EntityFrameworkCore projects...", ctx =>
+            {
+                ctx.Spinner(Spinner.Known.SimpleDotsScrolling);
+
+                var efCoreProjects = Directory.EnumerateFiles(WorkingDirectory, "*.csproj", SearchOption.AllDirectories)
+                    .Where(x => x.EndsWith("EntityFrameworkCore.csproj"))
+                    .Select(x => new FileInfo(x))
+                    .ToArray();
+
+                return Task.FromResult(efCoreProjects);
+            });
+    }
+}

src/AbpDevTools/Program.cs

@@ -52,7 +52,8 @@ public static CliApplicationBuilder BuildServices(this CliApplicationBuilder bui
             typeof(AbpBundleCommand),
             typeof(TestCommand),
             typeof(UpdateCheckCommand),
-            typeof(CleanCommand)
+            typeof(CleanCommand),
+            typeof(DatabaseDropCommand)
         };
 
         foreach (var commandType in commands)