Example #1
0
        public void WriteWith(DatabaseConstraint foreignKey)
        {
            // TODO: refactor this method to be consistent with approach taken for other overload
            var refTable = foreignKey.ReferencedTable(table.DatabaseSchema);
            var dataType = refTable.NetName;

            if (foreignKey.Columns.Count != foreignKey.ReferencedColumns(table.DatabaseSchema).Count())
            {
                throw new InvalidOperationException("Number of foreign key columns does not match number of columns referenced!");
            }

            classBuilder.BeginNest($"public virtual {CodeWriterUtils.GetWithMethodSignature(table, foreignKey, codeWriterSettings)}");

            var methodCallParameters = new List <string>();

            var propertyName = codeWriterSettings.Namer.ForeignKeyName(table, foreignKey);

            foreach (var fkc in foreignKey.Columns)
            {
                var tc        = table.Columns.Single(_tc => _tc.Name == fkc);
                var parameter = $"{CodeWriterUtils.GetPropertyNameForDatabaseColumn(tc)}";
                if (tc.Nullable && CodeWriterUtils.FindDataType(tc).EndsWith("?")) // KE: need the check for the "?" so that we correctly handle reference types like string
                {
                    using (classBuilder.BeginNest($"if (!{parameter}.HasValue)"))
                    {
                        classBuilder.AppendLine($"{propertyName} = null;");
                        classBuilder.AppendLine("return this;");
                    }

                    classBuilder.AppendLine("");
                    parameter += ".Value";
                }

                methodCallParameters.Add(parameter);
            }

            var s = string.Join(", ", methodCallParameters);
            var referencedColumnNames = foreignKey.ReferencedColumns(table.DatabaseSchema).ToList();

            referencedColumnNames.Sort();
            var referencedColumns             = referencedColumnNames.Select(c => foreignKey.ReferencedTable(table.DatabaseSchema).FindColumn(c));
            var methodParameters              = CodeWriterUtils.GetMethodParametersForColumns(referencedColumns, codeWriterSettings);
            var methodName                    = CodeWriterUtils.GetMethodName(methodParameters, codeWriterSettings, true, CodeWriterUtils.BaseMethodNameGet);
            var fieldNameForFkTableRepository = NameFixer.ToCamelCase(CodeWriterUtils.GetRepositoryImplementationName(refTable));

            classBuilder.AppendLine($"{propertyName} = _{fieldNameForFkTableRepository}.{methodName}({s});");
            classBuilder.AppendLine("return this;");
            classBuilder.EndNest();
            classBuilder.AppendLine("");
        }