public void Generate(IStringBuilder sb, Namespace @namespace, ulong revision, Schema schema)
{
sb.AppendLine("using System;");
sb.AppendLine("using System.ComponentModel;");
sb.AppendLine("using System.Collections.Generic;");
sb.AppendLine("using System.Data;");
sb.AppendLine("using System.Linq;");
sb.AppendLine("using System.Text;");
sb.AppendLine("using egregore.Data;");
sb.AppendLine("using egregore.Data.Attributes;");
sb.AppendLine();
sb.OpenNamespace($"{@namespace.Value}.V{revision}");
sb.AppendLine($"public sealed class {schema.Name} : {nameof(IRecord<object>)}<{schema.Name}>");
sb.AppendLine("{");
sb.Indent++;
{
sb.AppendLine("[ReadOnly(true)]");
sb.AppendLine("public Guid Uuid { get; set; }");
sb.AppendLine("[ReadOnly(true)]");
sb.AppendLine("public ulong TimestampV1 { get; set; }");
sb.AppendLine("[ReadOnly(true)]");
sb.AppendLine("public ulong TimestampV2 { get; set; }");
foreach (var property in schema.Properties)
{
if (property.IsRequired)
{
sb.AppendLine("[Required]");
}
sb.AppendLine($"public {property.Type} {property.Name} {{ get; set; }}");
}
sb.AppendLine();
sb.AppendLine("public Record ToRecord()");
sb.AppendLine("{");
sb.AppendLine($" var record = new Record {{ Type = \"{schema.Name}\" }};");
sb.AppendLine(" record.Uuid = Uuid;");
sb.AppendLine(" record.TimestampV1 = TimestampV1;");
sb.AppendLine(" record.TimestampV2 = TimestampV2;");
for (var i = 0; i < schema.Properties.Count; i++)
{
var property = schema.Properties[i];
sb.AppendLine(
$" record.Columns.Add(new RecordColumn({i}, \"{property.Name}\", \"{property.Type}\", {property.Name}?.ToString()));");
}
sb.AppendLine(" return record;");
sb.AppendLine("}");
sb.AppendLine();
sb.AppendLine($"public {schema.Name} ToModel(Record record)");
sb.AppendLine("{");
sb.AppendLine($" var model = new {schema.Name}();");
sb.AppendLine(" model.Uuid = record.Uuid;");
sb.AppendLine(" model.TimestampV1 = record.TimestampV1;");
sb.AppendLine(" model.TimestampV2 = record.TimestampV2;");
foreach (var property in schema.Properties)
{
sb.AppendLine(
$" var value = record.Columns.SingleOrDefault(x => x.Name.Equals(\"{property.Name}\", StringComparison.OrdinalIgnoreCase))?.Value;");
sb.AppendLine(
$" model.{property.Name} = ({property.Type})(value == default ? default : Convert.ChangeType(value, typeof({property.Type})));");
}
sb.AppendLine(" return model;");
sb.AppendLine("}");
}
sb.Indent--;
sb.AppendLine("}");
sb.CloseNamespace();
}
