protected string WriteMigration(
ScaffoldedMigration scaffoldedMigration,
bool rescaffolding = false,
bool force = false,
string name = null)
{
DebugCheck.NotNull(scaffoldedMigration);
var userCodeFileName = scaffoldedMigration.MigrationId + "." + scaffoldedMigration.Language;
var userCodePath = Path.Combine(scaffoldedMigration.Directory, userCodeFileName);
var absoluteUserCodePath = Path.Combine(ProjectDir.Value(), userCodePath);
var designerCodeFileName = scaffoldedMigration.MigrationId + ".Designer." + scaffoldedMigration.Language;
var designerCodePath = Path.Combine(scaffoldedMigration.Directory, designerCodeFileName);
var absoluteDesignerCodePath = Path.Combine(ProjectDir.Value(), designerCodePath);
var resourcesFileName = scaffoldedMigration.MigrationId + ".resx";
var resourcesPath = Path.Combine(scaffoldedMigration.Directory, resourcesFileName);
if (rescaffolding && !force)
{
if (!string.Equals(scaffoldedMigration.UserCode, File.ReadAllText(absoluteUserCodePath)))
{
Debug.Assert(!string.IsNullOrWhiteSpace(name));
Reporter.WriteWarning(string.Format(MyResources.RescaffoldNoForce, name));
}
}
else
{
Directory.CreateDirectory(Path.GetDirectoryName(absoluteUserCodePath));
File.WriteAllText(absoluteUserCodePath, scaffoldedMigration.UserCode, Encoding.UTF8);
}
var absoluteResourcesPath = Path.Combine(ProjectDir.Value(), resourcesPath);
using (var writer = new ResXResourceWriter(absoluteResourcesPath))
{
foreach (var i in scaffoldedMigration.Resources)
{
writer.AddResource(i.Key, i.Value);
}
}
Directory.CreateDirectory(Path.GetDirectoryName(absoluteDesignerCodePath));
File.WriteAllText(absoluteDesignerCodePath, scaffoldedMigration.DesignerCode, Encoding.UTF8);
return(userCodePath);
}
protected override int Execute()
{
var migrationsDirectory = _migrationsDir.Value();
var qualifiedContextTypeName = CreateExecutor().GetContextType(
_context.Value(),
_contextAssembly.Value());
var isVb = string.Equals(Language.Value(), "VB", StringComparison.OrdinalIgnoreCase);
var fileName = isVb ? "Configuration.vb" : "Configuration.cs";
var templateStream = typeof(MigrationsEnableCommand).Assembly.GetManifestResourceStream("System.Data.Entity.Tools.Templates." + fileName);
Debug.Assert(templateStream != null);
string template;
using (var templateReader = new StreamReader(templateStream, Encoding.UTF8))
{
template = templateReader.ReadToEnd();
}
var tokens = new Dictionary <string, string>();
if (!string.IsNullOrWhiteSpace(migrationsDirectory))
{
tokens["migrationsDirectory"]
= "\r\n MigrationsDirectory = "
+ (!isVb ? "@" : null)
+ "\"" + migrationsDirectory + "\""
+ (!isVb ? ";" : null);
}
else
{
migrationsDirectory = "Migrations";
}
tokens["enableAutomaticMigrations"]
= _auto.HasValue()
? (isVb ? "True" : "true")
: (isVb ? "False" : "false");
var rootNamespace = RootNamespace.Value();
var migrationsNamespace = migrationsDirectory.Replace("\\", ".");
tokens["namespace"]
= !isVb && !string.IsNullOrWhiteSpace(rootNamespace)
? rootNamespace + "." + migrationsNamespace
: migrationsNamespace;
if (isVb && qualifiedContextTypeName.StartsWith(rootNamespace + "."))
{
tokens["contextType"]
= qualifiedContextTypeName.Substring(rootNamespace.Length + 1).Replace('+', '.');
}
else
{
tokens["contextType"] = qualifiedContextTypeName.Replace('+', '.');
}
if (Path.IsPathRooted(migrationsDirectory))
{
throw new CommandException(string.Format(MyResources.MigrationsDirectoryParamIsRooted, migrationsDirectory));
}
var absoluteMigrationsDirectory = Path.Combine(ProjectDir.Value(), migrationsDirectory);
var absolutePath = Path.Combine(absoluteMigrationsDirectory, fileName);
if (!_force.HasValue() &&
File.Exists(absolutePath))
{
throw new CommandException(string.Format(MyResources.MigrationsAlreadyEnabled, Assembly.Value()));
}
var fullMigrationsNamespace = rootNamespace + "." + migrationsNamespace;
Reporter.WriteInformation(MyResources.EnableMigrations_BeginInitialScaffold);
var scaffoldedMigration = CreateExecutor().ScaffoldInitialCreate(
ConnectionStringName.Value(),
ConnectionString.Value(),
ConnectionProvider.Value(),
qualifiedContextTypeName,
_contextAssembly.Value(),
fullMigrationsNamespace,
_auto.HasValue(),
migrationsDirectory);
if (scaffoldedMigration != null)
{
if (!_auto.HasValue())
{
WriteMigration(scaffoldedMigration);
Reporter.WriteWarning(string.Format(
MyResources.EnableMigrations_InitialScaffold,
scaffoldedMigration.MigrationId));
}
// We found an initial create so we need to add an explicit ContextKey
// assignment to the configuration
tokens["contextKey"]
= "\r\n ContextKey = "
+ "\"" + qualifiedContextTypeName + "\""
+ (!isVb ? ";" : null);
}
Directory.CreateDirectory(absoluteMigrationsDirectory);
File.WriteAllText(absolutePath, new TemplateProcessor().Process(template, tokens), Encoding.UTF8);
if (_json.HasValue())
{
string migrationPath = null;
string migrationDesignerPath = null;
string migrationResourcesPath = null;
if (scaffoldedMigration != null)
{
migrationPath = Path.Combine(
absoluteMigrationsDirectory,
scaffoldedMigration.MigrationId + "." + scaffoldedMigration.Language);
migrationDesignerPath = Path.Combine(
absoluteMigrationsDirectory,
scaffoldedMigration.MigrationId + ".resx");
migrationResourcesPath = Path.Combine(
absoluteMigrationsDirectory,
scaffoldedMigration.MigrationId + ".Designer." + scaffoldedMigration.Language);
}
Reporter.WriteData("{");
Reporter.WriteData(" \"migrationsConfiguration\": " + Json.Literal(absolutePath) + ",");
Reporter.WriteData(" \"migration\": " + Json.Literal(migrationPath) + ",");
Reporter.WriteData(" \"migrationResources\": " + Json.Literal(migrationDesignerPath) + ",");
Reporter.WriteData(" \"migrationDesigner\": " + Json.Literal(migrationResourcesPath));
Reporter.WriteData("}");
}
return(base.Execute());
}
protected override int Execute()
{
var scaffoldedMigration = CreateExecutor().Scaffold(
_name.Value,
ConnectionStringName.Value(),
ConnectionString.Value(),
ConnectionProvider.Value(),
MigrationsConfig.Value(),
_ignoreChanges.HasValue());
Reporter.WriteInformation(
string.Format(
!scaffoldedMigration.IsRescaffold
? MyResources.ScaffoldingMigration
: MyResources.RescaffoldingMigration,
_name.Value));
var userCodePath
= WriteMigration(scaffoldedMigration, scaffoldedMigration.IsRescaffold, _force.HasValue(), _name.Value);
if (!scaffoldedMigration.IsRescaffold)
{
Reporter.WriteWarning(string.Format(MyResources.SnapshotBehindWarning, _name.Value));
var databaseMigrations
= CreateExecutor().GetDatabaseMigrations(
ConnectionStringName.Value(),
ConnectionString.Value(),
ConnectionProvider.Value(),
MigrationsConfig.Value())
.Take(2).ToList();
var lastDatabaseMigration = databaseMigrations.FirstOrDefault();
if ((lastDatabaseMigration != null) &&
string.Equals(lastDatabaseMigration.MigrationName(), _name.Value, StringComparison.Ordinal))
{
var revertTargetMigration
= databaseMigrations.ElementAtOrDefault(1);
Reporter.WriteWarning(
string.Format(
MyResources.DidYouMeanToRescaffold,
_name.Value,
revertTargetMigration ?? "$InitialDatabase",
Path.GetFileName(userCodePath)));
}
}
if (_json.HasValue())
{
string migrationPath = null;
string migrationDesignerPath = null;
string migrationResourcesPath = null;
if (scaffoldedMigration != null)
{
var absoluteMigrationsDirectory = Path.Combine(ProjectDir.Value(), scaffoldedMigration.Directory);
migrationPath = Path.Combine(
absoluteMigrationsDirectory,
scaffoldedMigration.MigrationId + "." + scaffoldedMigration.Language);
migrationDesignerPath = Path.Combine(
absoluteMigrationsDirectory,
scaffoldedMigration.MigrationId + ".resx");
migrationResourcesPath = Path.Combine(
absoluteMigrationsDirectory,
scaffoldedMigration.MigrationId + ".Designer." + scaffoldedMigration.Language);
}
Reporter.WriteData("{");
Reporter.WriteData(" \"migration\": " + Json.Literal(migrationPath) + ",");
Reporter.WriteData(" \"migrationResources\": " + Json.Literal(migrationDesignerPath) + ",");
Reporter.WriteData(" \"migrationDesigner\": " + Json.Literal(migrationResourcesPath));
Reporter.WriteData("}");
}
return(base.Execute());
}
