This commit is contained in:
vipg
2025-11-14 17:45:21 +08:00
parent ba18a383aa
commit 43fd114804
2 changed files with 357 additions and 1 deletions

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@@ -1 +1,356 @@
package logic
package logic
import (
"database/sql"
"errors"
"fmt"
"time"
"github.com/google/uuid"
"go.uber.org/zap"
)
// Variety 主表结构体
type Variety struct {
ID uuid.UUID
Deleted bool
CreatedAt time.Time
UpdatedAt time.Time
}
// VarietyName 子表结构体(名称)
type VarietyName struct {
ID uuid.UUID
VarietyID uuid.UUID
Name string
Deleted bool
CreatedAt time.Time
UpdatedAt time.Time
}
// VarietyCode 子表结构体(代码)
type VarietyCode struct {
ID uuid.UUID
VarietyID uuid.UUID
Code string
Deleted bool
CreatedAt time.Time
UpdatedAt time.Time
}
// VarietyTick 子表结构体(跳点)
type VarietyTick struct {
ID uuid.UUID
VarietyID uuid.UUID
Tick float64
Deleted bool
CreatedAt time.Time
UpdatedAt time.Time
}
// VarietyTickPrice 子表结构体(跳点价格)
type VarietyTickPrice struct {
ID uuid.UUID
VarietyID uuid.UUID
Price float64
Deleted bool
CreatedAt time.Time
UpdatedAt time.Time
}
// VarietyInfo 联合查询视图结构体
type VarietyInfo struct {
VarietyID uuid.UUID
Name string
Code string
Tick float64
TickPrice float64
}
// CreateVariety 创建品种主记录及关联信息
func CreateVariety(name, code string, tick, tickPrice float64) (uuid.UUID, error) {
tx, err := DB.Begin()
if err != nil {
zap.L().Error("创建事务失败", zap.Error(err))
return uuid.Nil, err
}
defer func() {
if r := recover(); r != nil {
tx.Rollback()
}
}()
// 1. 创建主表记录
var varietyID uuid.UUID
err = tx.QueryRow(`
INSERT INTO variety (deleted)
VALUES ($1)
RETURNING id
`, false).Scan(&varietyID)
if err != nil {
tx.Rollback()
zap.L().Error("创建品种主表失败", zap.Error(err))
return uuid.Nil, err
}
// 2. 创建名称记录
_, err = tx.Exec(`
INSERT INTO variety_name (variety_id, name, deleted)
VALUES ($1, $2, $3)
`, varietyID, name, false)
if err != nil {
tx.Rollback()
zap.L().Error("创建品种名称记录失败", zap.Error(err))
return uuid.Nil, err
}
// 3. 创建代码记录
_, err = tx.Exec(`
INSERT INTO variety_code (variety_id, code, deleted)
VALUES ($1, $2, $3)
`, varietyID, code, false)
if err != nil {
tx.Rollback()
zap.L().Error("创建品种代码记录失败", zap.Error(err))
return uuid.Nil, err
}
// 4. 创建跳点记录
_, err = tx.Exec(`
INSERT INTO variety_tick (variety_id, tick, deleted)
VALUES ($1, $2, $3)
`, varietyID, tick, false)
if err != nil {
tx.Rollback()
zap.L().Error("创建跳点记录失败", zap.Error(err))
return uuid.Nil, err
}
// 5. 创建跳点价格记录
_, err = tx.Exec(`
INSERT INTO variety_tick_price (variety_id, price, deleted)
VALUES ($1, $2, $3)
`, varietyID, tickPrice, false)
if err != nil {
tx.Rollback()
zap.L().Error("创建跳点价格记录失败", zap.Error(err))
return uuid.Nil, err
}
if err := tx.Commit(); err != nil {
tx.Rollback()
zap.L().Error("提交事务失败", zap.Error(err))
return uuid.Nil, err
}
return varietyID, nil
}
// GetVarietyByID 查询品种详情通过ID
func GetVarietyByID(id uuid.UUID) (*VarietyInfo, error) {
var info VarietyInfo
err := DB.QueryRow(`
SELECT
variety_id, name, code, tick, tick_price
FROM variety_info_view
WHERE variety_id = $1
`, id).Scan(
&info.VarietyID,
&info.Name,
&info.Code,
&info.Tick,
&info.TickPrice,
)
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
return nil, fmt.Errorf("品种不存在: %s", id)
}
zap.L().Error("查询品种失败", zap.String("id", id.String()), zap.Error(err))
return nil, err
}
return &info, nil
}
// GetVarietyByName 按名称查询品种
func GetVarietyByName(name string) (*VarietyInfo, error) {
var info VarietyInfo
err := DB.QueryRow(`
SELECT
variety_id, name, code, tick, tick_price
FROM variety_info_view
WHERE name = $1 AND name IS NOT NULL
`, name).Scan(
&info.VarietyID,
&info.Name,
&info.Code,
&info.Tick,
&info.TickPrice,
)
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
return nil, fmt.Errorf("未找到名称为 %s 的品种", name)
}
zap.L().Error("按名称查询品种失败", zap.String("name", name), zap.Error(err))
return nil, err
}
return &info, nil
}
// UpdateVarietyName 更新品种名称
func UpdateVarietyName(varietyID uuid.UUID, newName string) error {
result, err := DB.Exec(`
UPDATE variety_name
SET name = $1
WHERE variety_id = $2 AND deleted = false
`, newName, varietyID)
if err != nil {
zap.L().Error("更新品种名称失败", zap.String("id", varietyID.String()), zap.Error(err))
return err
}
rowsAffected, err := result.RowsAffected()
if err != nil {
return err
}
if rowsAffected == 0 {
return fmt.Errorf("未找到可更新的品种名称记录: %s", varietyID)
}
return nil
}
// UpdateVarietyTick 更新跳点值
func UpdateVarietyTick(varietyID uuid.UUID, newTick float64) error {
result, err := DB.Exec(`
UPDATE variety_tick
SET tick = $1
WHERE variety_id = $2 AND deleted = false
`, newTick, varietyID)
if err != nil {
zap.L().Error("更新跳点值失败", zap.String("id", varietyID.String()), zap.Error(err))
return err
}
rowsAffected, err := result.RowsAffected()
if err != nil {
return err
}
if rowsAffected == 0 {
return fmt.Errorf("未找到可更新的跳点记录: %s", varietyID)
}
return nil
}
// DeleteVariety 逻辑删除品种(软删除)
func DeleteVariety(varietyID uuid.UUID) error {
tx, err := DB.Begin()
if err != nil {
zap.L().Error("创建事务失败", zap.Error(err))
return err
}
defer func() {
if r := recover(); r != nil {
tx.Rollback()
}
}()
// 1. 软删除主表
_, err = tx.Exec(`
UPDATE variety
SET deleted = true
WHERE id = $1
`, varietyID)
if err != nil {
tx.Rollback()
zap.L().Error("删除品种主表失败", zap.String("id", varietyID.String()), zap.Error(err))
return err
}
// 2. 软删除关联子表(实际可依赖外键级联删除,这里显式处理确保一致性)
tables := []string{
"variety_name",
"variety_code",
"variety_tick",
"variety_tick_price",
}
for _, table := range tables {
_, err = tx.Exec(fmt.Sprintf(`
UPDATE %s
SET deleted = true
WHERE variety_id = $1
`, table), varietyID)
if err != nil {
tx.Rollback()
zap.L().Error("删除子表记录失败",
zap.String("table", table),
zap.String("id", varietyID.String()),
zap.Error(err))
return err
}
}
if err := tx.Commit(); err != nil {
tx.Rollback()
zap.L().Error("提交删除事务失败", zap.Error(err))
return err
}
return nil
}
// ListVarieties 分页查询品种列表
func ListVarieties(page, pageSize int) ([]VarietyInfo, int, error) {
if page < 1 {
page = 1
}
offset := (page - 1) * pageSize
// 查询总数
var total int
err := DB.QueryRow(`
SELECT COUNT(DISTINCT variety_id)
FROM variety_info_view
WHERE variety_id IS NOT NULL
`).Scan(&total)
if err != nil {
zap.L().Error("查询品种总数失败", zap.Error(err))
return nil, 0, err
}
// 查询分页数据
rows, err := DB.Query(`
SELECT
variety_id, name, code, tick, tick_price
FROM variety_info_view
WHERE variety_id IS NOT NULL
ORDER BY variety_id DESC
LIMIT $1 OFFSET $2
`, pageSize, offset)
if err != nil {
zap.L().Error("查询品种列表失败", zap.Error(err))
return nil, 0, err
}
defer rows.Close()
var varieties []VarietyInfo
for rows.Next() {
var info VarietyInfo
err := rows.Scan(
&info.VarietyID,
&info.Name,
&info.Code,
&info.Tick,
&info.TickPrice,
)
if err != nil {
zap.L().Error("解析品种记录失败", zap.Error(err))
return nil, 0, err
}
varieties = append(varieties, info)
}
if err = rows.Err(); err != nil {
zap.L().Error("遍历品种记录失败", zap.Error(err))
return nil, 0, err
}
return varieties, total, nil
}

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@@ -0,0 +1 @@
package service