// Code generated by ent, DO NOT EDIT.

package ent

import (
	"bj_power_mes/ent/attachment"
	"fmt"
	"strings"
	"time"

	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
)

// Attachment is the model entity for the Attachment schema.
type Attachment struct {
	config `json:"-"`
	// ID of the ent.
	ID int `json:"id,omitempty"`
	// 业务类型 work_order/material/process_flow/inspection
	BizType string `json:"bizType,omitempty"`
	// 业务ID
	BizId string `json:"bizId,omitempty"`
	// 原始文件名
	FileName string `json:"fileName,omitempty"`
	// 上传目录相对路径
	FilePath string `json:"filePath,omitempty"`
	// 字节数
	FileSize int `json:"fileSize,omitempty"`
	// 上传人
	Uploader string `json:"uploader,omitempty"`
	// CreatedAt holds the value of the "createdAt" field.
	CreatedAt    time.Time `json:"createdAt,omitempty"`
	selectValues sql.SelectValues
}

// scanValues returns the types for scanning values from sql.Rows.
func (*Attachment) scanValues(columns []string) ([]any, error) {
	values := make([]any, len(columns))
	for i := range columns {
		switch columns[i] {
		case attachment.FieldID, attachment.FieldFileSize:
			values[i] = new(sql.NullInt64)
		case attachment.FieldBizType, attachment.FieldBizId, attachment.FieldFileName, attachment.FieldFilePath, attachment.FieldUploader:
			values[i] = new(sql.NullString)
		case attachment.FieldCreatedAt:
			values[i] = new(sql.NullTime)
		default:
			values[i] = new(sql.UnknownType)
		}
	}
	return values, nil
}

// assignValues assigns the values that were returned from sql.Rows (after scanning)
// to the Attachment fields.
func (_m *Attachment) assignValues(columns []string, values []any) error {
	if m, n := len(values), len(columns); m < n {
		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
	}
	for i := range columns {
		switch columns[i] {
		case attachment.FieldID:
			value, ok := values[i].(*sql.NullInt64)
			if !ok {
				return fmt.Errorf("unexpected type %T for field id", value)
			}
			_m.ID = int(value.Int64)
		case attachment.FieldBizType:
			if value, ok := values[i].(*sql.NullString); !ok {
				return fmt.Errorf("unexpected type %T for field bizType", values[i])
			} else if value.Valid {
				_m.BizType = value.String
			}
		case attachment.FieldBizId:
			if value, ok := values[i].(*sql.NullString); !ok {
				return fmt.Errorf("unexpected type %T for field bizId", values[i])
			} else if value.Valid {
				_m.BizId = value.String
			}
		case attachment.FieldFileName:
			if value, ok := values[i].(*sql.NullString); !ok {
				return fmt.Errorf("unexpected type %T for field fileName", values[i])
			} else if value.Valid {
				_m.FileName = value.String
			}
		case attachment.FieldFilePath:
			if value, ok := values[i].(*sql.NullString); !ok {
				return fmt.Errorf("unexpected type %T for field filePath", values[i])
			} else if value.Valid {
				_m.FilePath = value.String
			}
		case attachment.FieldFileSize:
			if value, ok := values[i].(*sql.NullInt64); !ok {
				return fmt.Errorf("unexpected type %T for field fileSize", values[i])
			} else if value.Valid {
				_m.FileSize = int(value.Int64)
			}
		case attachment.FieldUploader:
			if value, ok := values[i].(*sql.NullString); !ok {
				return fmt.Errorf("unexpected type %T for field uploader", values[i])
			} else if value.Valid {
				_m.Uploader = value.String
			}
		case attachment.FieldCreatedAt:
			if value, ok := values[i].(*sql.NullTime); !ok {
				return fmt.Errorf("unexpected type %T for field createdAt", values[i])
			} else if value.Valid {
				_m.CreatedAt = value.Time
			}
		default:
			_m.selectValues.Set(columns[i], values[i])
		}
	}
	return nil
}

// Value returns the ent.Value that was dynamically selected and assigned to the Attachment.
// This includes values selected through modifiers, order, etc.
func (_m *Attachment) Value(name string) (ent.Value, error) {
	return _m.selectValues.Get(name)
}

// Update returns a builder for updating this Attachment.
// Note that you need to call Attachment.Unwrap() before calling this method if this Attachment
// was returned from a transaction, and the transaction was committed or rolled back.
func (_m *Attachment) Update() *AttachmentUpdateOne {
	return NewAttachmentClient(_m.config).UpdateOne(_m)
}

// Unwrap unwraps the Attachment entity that was returned from a transaction after it was closed,
// so that all future queries will be executed through the driver which created the transaction.
func (_m *Attachment) Unwrap() *Attachment {
	_tx, ok := _m.config.driver.(*txDriver)
	if !ok {
		panic("ent: Attachment is not a transactional entity")
	}
	_m.config.driver = _tx.drv
	return _m
}

// String implements the fmt.Stringer.
func (_m *Attachment) String() string {
	var builder strings.Builder
	builder.WriteString("Attachment(")
	builder.WriteString(fmt.Sprintf("id=%v, ", _m.ID))
	builder.WriteString("bizType=")
	builder.WriteString(_m.BizType)
	builder.WriteString(", ")
	builder.WriteString("bizId=")
	builder.WriteString(_m.BizId)
	builder.WriteString(", ")
	builder.WriteString("fileName=")
	builder.WriteString(_m.FileName)
	builder.WriteString(", ")
	builder.WriteString("filePath=")
	builder.WriteString(_m.FilePath)
	builder.WriteString(", ")
	builder.WriteString("fileSize=")
	builder.WriteString(fmt.Sprintf("%v", _m.FileSize))
	builder.WriteString(", ")
	builder.WriteString("uploader=")
	builder.WriteString(_m.Uploader)
	builder.WriteString(", ")
	builder.WriteString("createdAt=")
	builder.WriteString(_m.CreatedAt.Format(time.ANSIC))
	builder.WriteByte(')')
	return builder.String()
}

// Attachments is a parsable slice of Attachment.
type Attachments []*Attachment