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Add SeedData #9772

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merged 2 commits into from
Sep 13, 2017
Merged

Add SeedData #9772

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6d9007d
Squashing the Data Seed work for easier rebasing
colltoaction Jun 9, 2017
6187ade
Merge branch 'dev' of https://github.com/tinchou/EntityFramework into…
AndriySvyryd Sep 13, 2017
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77 changes: 77 additions & 0 deletions src/EFCore.Design/Migrations/Design/CSharpSnapshotGenerator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -149,6 +149,7 @@ protected virtual void GenerateEntityType(

if (builderName.StartsWith("b", StringComparison.Ordinal))
{
// ReSharper disable once InlineOutVariableDeclaration
var counter = 1;
if (builderName.Length > 1
&& int.TryParse(builderName.Substring(1, builderName.Length - 1), out counter))
Expand Down Expand Up @@ -191,6 +192,8 @@ protected virtual void GenerateEntityType(
{
GenerateRelationships(builderName, entityType, stringBuilder);
}

GenerateSeedData(entityType.GetProperties(), entityType.GetSeedData(), stringBuilder);
}

stringBuilder
Expand Down Expand Up @@ -938,5 +941,79 @@ protected virtual void GenerateAnnotation(
.Append(Code.UnknownLiteral(annotation.Value))
.Append(")");
}

/// <summary>
/// Generates code for data seeding.
/// </summary>
/// <param name="properties"> The properties to generate. </param>
/// <param name="data"> The data to be seeded. </param>
/// <param name="stringBuilder"> The builder code is added to. </param>
protected virtual void GenerateSeedData(
[NotNull] IEnumerable<IProperty> properties,
[NotNull] IEnumerable<IDictionary<string, object>> data,
[NotNull] IndentedStringBuilder stringBuilder)
{
Check.NotNull(properties, nameof(properties));
Check.NotNull(data, nameof(data));
Check.NotNull(stringBuilder, nameof(stringBuilder));

var dataList = data.ToList();
if (dataList.Count == 0)
{
return;
}

var propertiesToOutput = properties.ToList();

stringBuilder
.AppendLine()
.AppendLine($"b.{nameof(EntityTypeBuilder.SeedData)}(new[]")
.AppendLine("{");

using (stringBuilder.Indent())
{
var firstDatum = true;
foreach (var o in dataList)
{
if (!firstDatum)
{
stringBuilder.AppendLine(",");
}
else
{
firstDatum = false;
}

stringBuilder.Append("new { ");

var firstProperty = true;
foreach (var property in propertiesToOutput)
{
if (o.TryGetValue(property.Name, out var value) && value != null)
{
if (!firstProperty)
{
stringBuilder.Append(", ");
}
else
{
firstProperty = false;
}

stringBuilder
.Append(Code.Identifier(property.Name))
.Append(" = ")
.Append(Code.UnknownLiteral(value));
}
}

stringBuilder.Append(" }");
}
}

stringBuilder
.AppendLine()
.AppendLine("});");
}
}
}
2 changes: 1 addition & 1 deletion src/EFCore.Relational.Specification.Tests/MigrationSqlGeneratorTestBase.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -649,7 +649,7 @@ public virtual void UpdateDataOperation_composite_key()
Values = new object[,]
{
{ "Hodor" },
{ "Homeless Harry" }
{ "Harry" }
}
});

Expand Down
2 changes: 1 addition & 1 deletion src/EFCore.Relational/Infrastructure/EntityFrameworkRelationalServicesBuilder.cs
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Expand Up @@ -64,7 +64,6 @@ public static readonly IDictionary<Type, ServiceCharacteristics> RelationalServi
{ typeof(IMigrationCommandExecutor), new ServiceCharacteristics(ServiceLifetime.Singleton) },
{ typeof(IRelationalCommandBuilderFactory), new ServiceCharacteristics(ServiceLifetime.Singleton) },
{ typeof(IRawSqlCommandBuilder), new ServiceCharacteristics(ServiceLifetime.Singleton) },
{ typeof(IMigrationsModelDiffer), new ServiceCharacteristics(ServiceLifetime.Singleton) },
{ typeof(IMigrationsSqlGenerator), new ServiceCharacteristics(ServiceLifetime.Singleton) },
{ typeof(IRelationalTypeMapper), new ServiceCharacteristics(ServiceLifetime.Singleton) },
{ typeof(IRelationalValueBufferFactoryFactory), new ServiceCharacteristics(ServiceLifetime.Singleton) },
Expand All @@ -80,6 +79,7 @@ public static readonly IDictionary<Type, ServiceCharacteristics> RelationalServi
{ typeof(IQuerySqlGeneratorFactory), new ServiceCharacteristics(ServiceLifetime.Singleton) },
{ typeof(ICommandBatchPreparer), new ServiceCharacteristics(ServiceLifetime.Scoped) },
{ typeof(IModificationCommandBatchFactory), new ServiceCharacteristics(ServiceLifetime.Scoped) },
{ typeof(IMigrationsModelDiffer), new ServiceCharacteristics(ServiceLifetime.Scoped) },
{ typeof(IMigrator), new ServiceCharacteristics(ServiceLifetime.Scoped) },
{ typeof(IMigrationsAssembly), new ServiceCharacteristics(ServiceLifetime.Scoped) },
{ typeof(IBatchExecutor), new ServiceCharacteristics(ServiceLifetime.Scoped) },
Expand Down
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