From 43fd114804c3782728c075e18b3dac51c663d7c6 Mon Sep 17 00:00:00 2001
From: vipg <vipg@vipg.com>
Date: Fri, 14 Nov 2025 17:45:21 +0800
Subject: [PATCH] add

---
 .../futures_trade_record/src/logic/variety.go | 357 +++++++++++++++++-
 .../src/service/variety.go                    |   1 +
 2 files changed, 357 insertions(+), 1 deletion(-)
 create mode 100644 backend/futures_trade_record/src/service/variety.go

diff --git a/backend/futures_trade_record/src/logic/variety.go b/backend/futures_trade_record/src/logic/variety.go
index 697a16f..f04d9fb 100644
--- a/backend/futures_trade_record/src/logic/variety.go
+++ b/backend/futures_trade_record/src/logic/variety.go
@@ -1 +1,356 @@
-package logic
\ No newline at end of file
+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
+}
\ No newline at end of file
diff --git a/backend/futures_trade_record/src/service/variety.go b/backend/futures_trade_record/src/service/variety.go
new file mode 100644
index 0000000..2e5a6c3
--- /dev/null
+++ b/backend/futures_trade_record/src/service/variety.go
@@ -0,0 +1 @@
+package service
\ No newline at end of file