实现 猪舍相关路由组 和 猪圈相关路由组

internal/infra/models/feed.go

@@ -19,16 +19,27 @@ type RawMaterial struct {
 	Quantity    float64 `gorm:"not null;comment:库存总量, 单位: g"`
 }
 
+func (RawMaterial) TableName() string {
+	return "raw_materials"
+}
+
 // RawMaterialPurchase 记录了原料的每一次采购。
 type RawMaterialPurchase struct {
-	gorm.Model
+	ID            uint        `gorm:"primaryKey"`
 	RawMaterialID uint        `gorm:"not null;index;comment:关联的原料ID"`
 	RawMaterial   RawMaterial `gorm:"foreignKey:RawMaterialID"`
 	Supplier      string      `gorm:"size:100;comment:供应商"`
 	Amount        float64     `gorm:"not null;comment:采购数量, 单位: g"`
 	UnitPrice     float64     `gorm:"comment:单价"`
 	TotalPrice    float64     `gorm:"comment:总价"`
-	PurchaseDate  time.Time   `gorm:"not null;comment:采购日期"`
+	PurchaseDate  time.Time   `gorm:"primaryKey;comment:采购日期"`
+	CreatedAt     time.Time
+	UpdatedAt     time.Time
+	DeletedAt     gorm.DeletedAt `gorm:"index"`
+}
+
+func (RawMaterialPurchase) TableName() string {
+	return "raw_material_purchases"
 }
 
 // StockLogSourceType 定义了库存日志来源的类型
@@ -45,13 +56,20 @@ const (
 
 // RawMaterialStockLog 记录了原料库存的所有变动，提供了完整的追溯链。
 type RawMaterialStockLog struct {
-	gorm.Model
+	ID            uint               `gorm:"primaryKey"`
 	RawMaterialID uint               `gorm:"not null;index;comment:关联的原料ID"`
 	ChangeAmount  float64            `gorm:"not null;comment:变动数量, 正数为入库, 负数为出库"`
 	SourceType    StockLogSourceType `gorm:"size:50;not null;index;comment:库存变动来源类型"`
 	SourceID      uint               `gorm:"not null;index;comment:来源记录的ID (如 RawMaterialPurchase.ID 或 FeedUsageRecord.ID)"`
-	HappenedAt    time.Time          `gorm:"not null;comment:业务发生时间"`
+	HappenedAt    time.Time          `gorm:"primaryKey;comment:业务发生时间"`
 	Remarks       string             `gorm:"comment:备注, 如主动领取的理由等"`
+	CreatedAt     time.Time
+	UpdatedAt     time.Time
+	DeletedAt     gorm.DeletedAt `gorm:"index"`
+}
+
+func (RawMaterialStockLog) TableName() string {
+	return "raw_material_stock_logs"
 }
 
 // FeedFormula 代表饲料配方。
@@ -63,6 +81,10 @@ type FeedFormula struct {
 	Components  []FeedFormulaComponent `gorm:"foreignKey:FeedFormulaID"`
 }
 
+func (FeedFormula) TableName() string {
+	return "feed_formulas"
+}
+
 // FeedFormulaComponent 代表配方中的一种原料及其占比。
 type FeedFormulaComponent struct {
 	gorm.Model
@@ -72,17 +94,28 @@ type FeedFormulaComponent struct {
 	Percentage    float64     `gorm:"not null;comment:该原料在配方中的百分比 (0-1.0)"`
 }
 
+func (FeedFormulaComponent) TableName() string {
+	return "feed_formula_components"
+}
+
 // FeedUsageRecord 代表饲料使用记录。
 // 应用层逻辑：当一条使用记录被创建时，应根据其使用的 FeedFormula,
 // 计算出每种 RawMaterial 的消耗量，并在 RawMaterialStockLog 中创建对应的出库记录。
 type FeedUsageRecord struct {
-	gorm.Model
+	ID            uint        `gorm:"primaryKey"`
 	PenID         uint        `gorm:"not null;index;comment:关联的猪栏ID"`
 	Pen           Pen         `gorm:"foreignKey:PenID"`
 	FeedFormulaID uint        `gorm:"not null;index;comment:使用的饲料配方ID"`
 	FeedFormula   FeedFormula `gorm:"foreignKey:FeedFormulaID"`
 	Amount        float64     `gorm:"not null;comment:使用数量, 单位: g"`
-	RecordedAt    time.Time   `gorm:"not null;comment:记录时间"`
+	RecordedAt    time.Time   `gorm:"primaryKey;comment:记录时间"`
 	OperatorID    uint        `gorm:"not null;comment:操作员"`
 	Remarks       string      `gorm:"comment:备注, 如 '例行喂料, 弱猪补料' 等"`
+	CreatedAt     time.Time
+	UpdatedAt     time.Time
+	DeletedAt     gorm.DeletedAt `gorm:"index"`
+}
+
+func (FeedUsageRecord) TableName() string {
+	return "feed_usage_records"
 }