public static void CanAdd(Schema schema, AddField command)
{
Guard.NotNull(command, nameof(command));
Validate.It(() => "Cannot add a new field.", e =>
{
if (!command.Name.IsPropertyName())
{
e("Name must be a valid javascript property name.", nameof(command.Name));
}
if (command.Properties == null)
{
e(Not.Defined("Properties"), nameof(command.Properties));
}
else
{
var errors = FieldPropertiesValidator.Validate(command.Properties);
errors.Foreach(x => x.WithPrefix(nameof(command.Properties)).AddTo(e));
}
if (command.ParentFieldId.HasValue)
{
var arrayField = GuardHelper.GetArrayFieldOrThrow(schema, command.ParentFieldId.Value, false);
if (arrayField.FieldsByName.ContainsKey(command.Name))
{
e("A field with the same name already exists.");
}
}
else
{
if (command.ParentFieldId == null && !command.Partitioning.IsValidPartitioning())
{
e(Not.Valid("Partitioning"), nameof(command.Partitioning));
}
if (schema.FieldsByName.ContainsKey(command.Name))
{
e("A field with the same name already exists.");
}
}
});
}
public static void CanAdd(AddField command, Schema schema)
{
Guard.NotNull(command, nameof(command));
Validate.It(e =>
{
if (!command.Name.IsPropertyName())
{
e(Not.ValidJavascriptName(nameof(command.Name)), nameof(command.Name));
}
if (command.Properties == null)
{
e(Not.Defined(nameof(command.Properties)), nameof(command.Properties));
}
else
{
var errors = FieldPropertiesValidator.Validate(command.Properties);
errors.Foreach((x, _) => x.WithPrefix(nameof(command.Properties)).AddTo(e));
}
if (command.ParentFieldId.HasValue)
{
var arrayField = GuardHelper.GetArrayFieldOrThrow(schema, command.ParentFieldId.Value, false);
if (arrayField.FieldsByName.ContainsKey(command.Name))
{
e(T.Get("schemas.fieldNameAlreadyExists"));
}
}
else
{
if (command.ParentFieldId == null && !command.Partitioning.IsValidPartitioning())
{
e(Not.Valid("Partitioning"), nameof(command.Partitioning));
}
if (schema.FieldsByName.ContainsKey(command.Name))
{
e(T.Get("schemas.fieldNameAlreadyExists"));
}
}
});
}
private static void ValidateField(UpsertSchemaFieldBase field, string prefix, AddValidation e)
{
if (!field.Name.IsPropertyName())
{
e("Field name must be a valid javascript property name.", $"{prefix}.{nameof(field.Name)}");
}
if (field.Properties == null)
{
e(Not.Defined("Field properties"), $"{prefix}.{nameof(field.Properties)}");
}
else
{
var errors = FieldPropertiesValidator.Validate(field.Properties);
errors.Foreach(x => x.WithPrefix($"{prefix}.{nameof(field.Properties)}").AddTo(e));
}
}
public static void CanUpdate(Schema schema, UpdateField command)
{
Guard.NotNull(command, nameof(command));
var field = GuardHelper.GetFieldOrThrow(schema, command.FieldId, command.ParentFieldId, false);
Validate.It(() => "Cannot update field.", e =>
{
if (command.Properties == null)
{
e(Not.Defined("Properties"), nameof(command.Properties));
}
else
{
var errors = FieldPropertiesValidator.Validate(command.Properties);
errors.Foreach(x => x.WithPrefix(nameof(command.Properties)).AddTo(e));
}
});
}
public static Task CanCreate(CreateSchema command, IAppProvider appProvider)
{
Guard.NotNull(command, nameof(command));
return(Validate.It(() => "Cannot create schema.", async error =>
{
if (!command.Name.IsSlug())
{
error(new ValidationError("Name must be a valid slug.", nameof(command.Name)));
}
if (await appProvider.GetSchemaAsync(command.AppId.Id, command.Name) != null)
{
error(new ValidationError($"A schema with name '{command.Name}' already exists", nameof(command.Name)));
}
if (command.Fields?.Count > 0)
{
var index = 0;
foreach (var field in command.Fields)
{
index++;
var prefix = $"Fields.{index}";
if (!field.Partitioning.IsValidPartitioning())
{
error(new ValidationError("Partitioning is not valid.", $"{prefix}.{nameof(field.Partitioning)}"));
}
if (!field.Name.IsPropertyName())
{
error(new ValidationError("Name must be a valid property name.", $"{prefix}.{nameof(field.Name)}"));
}
if (field.Properties == null)
{
error(new ValidationError("Properties is required.", $"{prefix}.{nameof(field.Properties)}"));
}
else
{
var errors = FieldPropertiesValidator.Validate(field.Properties);
foreach (var e in errors)
{
error(e.WithPrefix(prefix));
}
}
if (field.Nested?.Count > 0)
{
if (!(field.Properties is ArrayFieldProperties))
{
error(new ValidationError("Only array fields can have nested fields.", $"{prefix}.{nameof(field.Partitioning)}"));
}
else
{
var nestedIndex = 0;
foreach (var nestedField in field.Nested)
{
nestedIndex++;
var nestedPrefix = $"Fields.{index}.Nested.{nestedIndex}";
if (!nestedField.Name.IsPropertyName())
{
error(new ValidationError("Name must be a valid property name.", $"{prefix}.{nameof(nestedField.Name)}"));
}
if (nestedField.Properties == null)
{
error(new ValidationError("Properties is required.", $"{prefix}.{nameof(nestedField.Properties)}"));
}
else
{
var errors = FieldPropertiesValidator.Validate(nestedField.Properties);
foreach (var e in errors)
{
error(e.WithPrefix(nestedPrefix));
}
}
}
}
if (field.Nested.Select(x => x.Name).Distinct().Count() != field.Nested.Count)
{
error(new ValidationError("Fields cannot have duplicate names.", $"{prefix}.Nested"));
}
}
}
if (command.Fields.Select(x => x.Name).Distinct().Count() != command.Fields.Count)
{
error(new ValidationError("Fields cannot have duplicate names.", nameof(command.Fields)));
}
}
}));
}
