Util/template/CodeSmith/CodeGenerator/01-Templates/Templates/Datas/PgSql/Mapping.cst

<%@ Template Language="C#" TargetLanguage="C#" Debug="True" Encoding="UTF-8" %>

<%@ Assembly Src="..\..\..\Common\Model.cs" %>
<%@ Assembly Src="..\..\..\Common\Extensions.cs" %>

<%@ Import Namespace="System.Collections.Generic" %>
<%@ Import Namespace="System.Linq" %>
<%@ Import Namespace="System.Text" %>
<%@ Import Namespace="System.Text.RegularExpressions" %>

<%@ Import Namespace="SchemaMapper" %>

<%@ Property Name="Entity" Type="SchemaMapper.Entity"  %>
<%@ Property Name="Namespace" Type="System.String"  %>
<%-- Safe类名 --%>
<% string SafeClassName = Entity.ClassName.ToSafeName(); %>
<%-- 描述 --%>
<% string Description = Entity.Description; %>
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using <%= Entity.GetNamespace(Namespace,"Domain","Models") %>;

namespace <%=Namespace%>.Data.Mappings.<%= Entity.TableSchema %>.PgSql {
    /// <summary>
    /// <%= Description %>映射配置
    /// </summary>
    public class <%= SafeClassName %>Map : Util.Datas.Ef.PgSql.AggregateRootMap<<%= SafeClassName %>> {
        /// <summary>
        /// 映射表
        /// </summary>
        protected override void MapTable( EntityTypeBuilder<<%= SafeClassName %>> builder ) {
            builder.ToTable( "<%= Entity.TableName %>", "<%= Entity.TableSchema %>" );
        }
        
        /// <summary>
        /// 映射属性
        /// </summary>
        protected override void MapProperties( EntityTypeBuilder<<%= SafeClassName %>> builder ) {
            <%
            foreach(var p in Entity.Properties)
            {
                Response.Write(PropertyExpression(p));
            }
            %>
            <%if(Entity.IsTreeEntity()){%>
            builder.Property( t => t.Path ).HasColumnName( "Path" );
            builder.Property( t => t.Level ).HasColumnName( "Level" );
            <%}%>
        }
    }
}
<script runat="template">

public string PropertyExpression(Property property)
{    
    bool isString = property.SystemType == typeof(string);
    bool isByteArray = property.SystemType == typeof(byte[]);
    bool isDecimal = property.SystemType == typeof(Decimal);
    
    if( property.ColumnName.ToLower() == "isdeleted" )
        return "            builder.HasQueryFilter( t => t.IsDeleted == false );\r\n";
    
    if( property.IsKey == false  )
        return string.Empty;
    
    if( property.ColumnName.ToLower() == "version" && isByteArray )
        return string.Empty;

    StringBuilder sb = new StringBuilder();
    sb.AppendLine("            //" + property.Description);
    
    sb.Append(' ', 3 * 4);
    sb.Append("builder.Property(t => t.");
    if( property.IsPrimaryKey.SafeValue() && property.IsForeignKey.SafeValue() == false )
        sb.Append("Id");
    else
        sb.Append(property.PropertyName);
    sb.Append(")");

    sb.AppendLine();
    sb.Append(' ', 4 * 4);
    sb.Append(".HasColumnName(\"");
    sb.Append(property.ColumnName);
    sb.Append("\")");
    
    if (property.IsIdentity == true)
    {
      sb.AppendLine();
      sb.Append(' ', 4 * 4);
      sb.Append(".HasDatabaseGeneratedOption(DatabaseGeneratedOption.Identity)");
    }
    else if (property.IsAutoGenerated == true)
    {
      sb.AppendLine();
      sb.Append(' ', 4 * 4);
      sb.Append(".HasDatabaseGeneratedOption(DatabaseGeneratedOption.Computed)");
    }
    sb.AppendLine(";");

    return sb.ToString();
}

public string ManyToManyExpression(Relationship relationship)
{
    StringBuilder sb = new StringBuilder();
//    sb.AppendLine("            //" + Entity.GetOtherDescription(relationship.OtherEntity ));
//    
//    sb.Append(' ', 3 * 4);
//    sb.Append("builder.HasMany(t => t.");
//    sb.Append(relationship.ThisPropertyName);
//    sb.Append(")");
//
//    sb.AppendLine();
//    sb.Append(' ', 4 * 4);
//    sb.Append(".WithMany(t => t.");
//    sb.Append(relationship.OtherPropertyName);
//    sb.Append(")");
//
//    sb.AppendLine();
//    sb.Append(' ', 4 * 4);
//    sb.Append(".Map(m =>");
//    sb.AppendLine();
//    sb.Append(' ', 4 * 4);
//    sb.Append("{");
//
//    sb.AppendLine();
//    sb.Append(' ', 5 * 4);
//    sb.Append("m.ToTable(\"");
//    sb.Append(relationship.JoinTable);
//    sb.Append("\", \"");
//    sb.Append(relationship.JoinSchema);
//    sb.Append("\");");
//
//    sb.AppendLine();
//    sb.Append(' ', 5 * 4);
//    sb.Append("m.MapLeftKey(");
//    sb.Append(relationship.JoinThisColumn.ToDelimitedString(", ", "\"{0}\""));
//    sb.Append(");");
//
//    sb.AppendLine();
//    sb.Append(' ', 5 * 4);
//    sb.Append("m.MapRightKey(");
//    sb.Append(relationship.JoinOtherColumn.ToDelimitedString(", ", "\"{0}\""));
//    sb.Append(");");
//
//    sb.AppendLine();
//    sb.Append(' ', 4 * 4);
//    sb.Append("})");
//
//    sb.Append(";");
//    sb.AppendLine();

    return sb.ToString();
}

public string RelationshipExpression(Relationship relationship)
{
    StringBuilder sb = new StringBuilder();
    sb.AppendLine("            //" + Entity.GetOtherDescription(relationship.OtherEntity ));
    
    sb.Append(' ', 3 * 4);

    if (relationship.ThisCardinality == Cardinality.One)
    {
        sb.Append("builder.HasOne(t => t.");
        sb.Append(relationship.ThisPropertyName);
        sb.Append(")");
    }
    else if (relationship.ThisCardinality == Cardinality.ZeroOrOne)
    {
        sb.Append("builder.HasOne(t => t.");
        sb.Append(relationship.ThisPropertyName);
        sb.Append(")");
    }

    if (relationship.OtherCardinality == Cardinality.Many)
    {
        sb.AppendLine();
        sb.Append(' ', 4 * 4);
        sb.Append(".WithMany(t => t.");
        sb.Append(relationship.OtherPropertyName);
        sb.Append(")");

        sb.AppendLine();
        sb.Append(' ', 4 * 4);
        sb.Append(".HasForeignKey(d => ");
        sb.Append(KeyExpression(relationship.ThisProperties, "d"));
        sb.Append(")");
    }
    else
    {
        sb.AppendLine();
        sb.Append(' ', 4 * 4);
        sb.Append(".WithOptional(t => t.");
        sb.Append(relationship.OtherPropertyName);
        sb.Append(")");
    }

    sb.AppendLine(";");

    return sb.ToString();
}

public string KeyExpression(IEnumerable<Property> keys, string alias = "t")
{
    StringBuilder sb = new StringBuilder();
    if (keys.Count() == 1)
    {
        sb.Append(alias);
        sb.Append(".");
        sb.Append("Id");
    }
    else
    {
        sb.Append("new { ");
        foreach(var p in keys)
        {
            if (sb.Length > 6)
                sb.Append(", ");

            sb.Append(alias);
            sb.Append(".");
            if( p.IsForeignKey.SafeValue() == false )
                sb.Append("Id");
            else
                sb.Append(p.PropertyName);
        }
        sb.Append(" }");
    }
    return sb.ToString();
}

public string KeyExpression(IEnumerable<string> keys, string alias = "t")
{
    StringBuilder sb = new StringBuilder();
    if (keys.Count() == 1)
    {
        sb.Append(alias);
        sb.Append(".");
        sb.Append(keys.FirstOrDefault());
    }
    else
    {
        sb.Append("new { ");
        foreach(var p in keys)
        {
            if (sb.Length > 6)
                sb.Append(", ");

            sb.Append(alias);
            sb.Append(".");
            sb.Append(p);
        }
        sb.Append(" }");
    }
    return sb.ToString();
}
</script>