public string GetStarterClassCode()
{
StringBuilder sb = new StringBuilder();
var fieldNames = this.Expressions
.GroupBy(a => a.Name)
.SelectMany(gr => gr.Count() == 1 ?
new[] { KVP.Create(gr.SingleEx().Name + "Expression", gr.SingleEx()) } :
gr.Select(a => KVP.Create(a.Name + "_" + a.FromType.RemoveChars('<', '>', '.') + "Expression", a))
).ToDictionaryEx("DynamicExpressions");
var namesToTranslate = this.Expressions.Where(a => a.Translation == DynamicExpressionTranslation.TranslateExpressionName).Select(a => a.Name).Distinct();
if (namesToTranslate.Any())
{
sb.AppendLine($"public enum CodeGenExpressionMessage");
sb.AppendLine("{");
foreach (var item in namesToTranslate)
{
sb.AppendLine(" " + item + ",");
}
sb.AppendLine("}");
sb.AppendLine();
}
sb.AppendLine($"public static class CodeGenExpressionStarter");
sb.AppendLine("{");
foreach (var kvp in fieldNames)
{
sb.AppendLine($" static Expression<Func<{kvp.Value.FromType}, {kvp.Value.ReturnType}>> {kvp.Key} =");
sb.AppendLine($" e => {kvp.Value.Body};");
sb.AppendLine($" [ExpressionField(\"{kvp.Key}\")]");
sb.AppendLine($" public static {kvp.Value.ReturnType} {kvp.Value.Name}(this {kvp.Value.FromType} e)");
sb.AppendLine($" {{");
sb.AppendLine($" return {kvp.Key}.Evaluate(e);");
sb.AppendLine($" }}");
sb.AppendLine("");
}
sb.AppendLine(" public static void Start(SchemaBuilder sb, DynamicQueryManager dqm)");
sb.AppendLine(" {");
foreach (var kvp in fieldNames)
{
sb.AppendLine($" var ei = dqm.RegisterExpression(({kvp.Value.FromType} e) => e.{kvp.Value.Name}(){GetNiceNameCode(kvp.Value)});");
if (kvp.Value.Format.HasText())
{
sb.AppendLine($" ei.ForceFormat = {CSharpRenderer.Value(kvp.Value.Format, typeof(string), new string[0])};");
}
if (kvp.Value.Unit.HasText())
{
sb.AppendLine($" ei.ForceUnit = {CSharpRenderer.Value(kvp.Value.Unit, typeof(string), new string[0])};");
}
}
sb.AppendLine(" }");
sb.AppendLine("}");
return(sb.ToString());
}
string Value(object obj)
{
if (obj is decimal)
{
obj = (double)(decimal)obj;
}
return(CSharpRenderer.Value(obj));
}
string Value(object obj)
{
if (obj is decimal)
{
obj = (double)(decimal)obj;
}
return(CSharpRenderer.Value(obj, obj.GetType(), null));
}
protected static void Log(SqlPreCommandSimple pcs)
{
var log = logger.Value;
if (log != null)
{
log.WriteLine(pcs.Sql);
if (pcs.Parameters != null)
{
log.WriteLine(pcs.Parameters
.ToString(p => "{0} {1}: {2}".FormatWith(
p.ParameterName,
Connector.Current.GetSqlDbType(p),
p.Value?.Let(v => CSharpRenderer.Value(v, v.GetType(), null))), "\r\n"));
}
log.WriteLine();
}
}
string Literal(object obj)
{
return(CSharpRenderer.Value(obj, obj.GetType(), null));
}
public string GetStarterClassCode()
{
StringBuilder sb = new StringBuilder();
var fieldNames = this.Expressions
.GroupBy(a => a.Name)
.SelectMany(gr => gr.Count() == 1 ?
new[] { KeyValuePair.Create(gr.SingleEx().Name + "Expression", gr.SingleEx()) } :
gr.Select(a => KeyValuePair.Create(a.Name + "_" + a.FromType.RemoveChars('<', '>', '.') + "Expression", a))
).ToDictionaryEx("DynamicExpressions");
var namesToTranslate = this.Expressions.Where(a => a.Translation == DynamicExpressionTranslation.TranslateExpressionName).Select(a => a.Name).Distinct();
if (namesToTranslate.Any())
{
sb.AppendLine($"public enum CodeGenExpressionMessage");
sb.AppendLine("{");
foreach (var item in namesToTranslate)
{
sb.AppendLine(" " + item + ",");
}
sb.AppendLine("}");
sb.AppendLine();
}
sb.AppendLine($"public static class CodeGenExpressionStarter");
sb.AppendLine("{");
foreach (var kvp in fieldNames)
{
var expressionName = $"{kvp.Value.Name}From{kvp.Value.FromType.BeforeLast("Entity")}Expression".FirstUpper();
sb.AppendLine($" static Expression<Func<{kvp.Value.FromType}, {kvp.Value.ReturnType}>> {expressionName} = ");
sb.AppendLine($" e => {kvp.Value.Body};");
sb.AppendLine($" [ExpressionField(\"{expressionName}\")]");
sb.AppendLine($" public static {kvp.Value.ReturnType} {kvp.Value.Name}(this {kvp.Value.FromType} e)");
sb.AppendLine($" {{");
sb.AppendLine($" return {expressionName}.Evaluate(e);");
sb.AppendLine($" }}");
sb.AppendLine("");
}
sb.AppendLine(" public static void Start(SchemaBuilder sb)");
sb.AppendLine(" {");
foreach (var kvp in fieldNames)
{
var entity = kvp.Value;
var varName = $"{entity.Name}{entity.FromType.BeforeLast("Entity")}".FirstLower();
sb.AppendLine($" var {varName} = QueryLogic.Expressions.Register(({entity.FromType} e) => e.{entity.Name}(){GetNiceNameCode(entity)});");
if (entity.Format.HasText())
{
sb.AppendLine($" {varName}.ForceFormat = {CSharpRenderer.Value(entity.Format)};");
}
if (entity.Unit.HasText())
{
sb.AppendLine($" {varName}.ForceUnit = {CSharpRenderer.Value(entity.Unit)};");
}
}
sb.AppendLine(" }");
sb.AppendLine("}");
return(sb.ToString());
}
