100 lines
3.8 KiB
Go
100 lines
3.8 KiB
Go
package models
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import (
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"time"
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"gorm.io/datatypes"
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"gorm.io/gorm"
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)
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/*
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所有与药品、疫苗和用药记录相关的模型
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*/
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// MedicationType 定义了兽药的类型
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type MedicationType string
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const (
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Powder MedicationType = "粉剂"
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Injection MedicationType = "针剂"
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Vaccine MedicationType = "疫苗"
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)
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// MedicationCategory 定义了兽药的种类
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type MedicationCategory string
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const (
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Tetracycline MedicationCategory = "四环素类"
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Sulfonamide MedicationCategory = "磺胺类"
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Penicillin MedicationCategory = "青霉素类"
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Macrolide MedicationCategory = "大环内酯类"
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Quinolone MedicationCategory = "喹诺酮类"
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Anthelmintic MedicationCategory = "驱虫药"
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Disinfectant MedicationCategory = "消毒药"
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BiologicalProduct MedicationCategory = "生物制品"
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)
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// MixType 定义了粉剂药物该如何混合
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type MixType string
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const (
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MixFeed = "饲料加药"
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MixWater = "水中加药"
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)
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// PowderInstructions 定义了粉剂使用说明.
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// 在程序中, 可以将 Medication.Instructions 字段反序列化为此结构进行操作.
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type PowderInstructions struct {
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// 出栏前停药期
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WithdrawalPeriod time.Duration `json:"withdrawal_period"`
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// 拌料使用计量, 每千克体重用多少克药, 单位: g/kg
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BodyWeightDosageUsed float64 `json:"body_weight_dosage_used"`
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// 拌料使用剂量, 每升水加多少克药或每千克饲料干重加多少克药, 单位: g/kg(L)
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MixDosageUsed float64 `json:"mix_dosage_used"`
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// 拌料使用方式, 兑水/拌料
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MixType MixType `json:"mix_type"`
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}
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// Medication 定义了兽药/疫苗的基本信息模型
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type Medication struct {
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gorm.Model
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Name string `gorm:"size:100;not null;comment:药品名称" json:"name"`
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Type MedicationType `gorm:"size:20;not null;comment:兽药类型 (粉剂, 针剂, 疫苗)" json:"type"`
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Category MedicationCategory `gorm:"size:30;not null;comment:兽药种类 (四环素类, 磺胺类等)" json:"category"`
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DosagePerUnit float64 `gorm:"size:50;comment:一份药物的计量 (针剂计量单位为毫升, 粉剂为克)" json:"dosage_per_unit"`
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ActiveIngredientConcentration float64 `gorm:"size:50;comment:有效成分含量百分比" json:"active_ingredient_concentration"`
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Manufacturer string `gorm:"size:100;comment:生产厂家" json:"manufacturer"`
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Instructions datatypes.JSON `gorm:"type:jsonb;comment:使用说明" json:"instructions"`
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}
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func (Medication) TableName() string {
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return "medications"
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}
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// MedicationReasonType 定义了用药原因
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type MedicationReasonType string
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const (
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ReasonTypePreventive MedicationReasonType = "预防"
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ReasonTypeTreatment MedicationReasonType = "治疗"
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ReasonTypeHealthCare MedicationReasonType = "保健"
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)
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// MedicationLog 记录了对整个猪批次的用药情况
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type MedicationLog struct {
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gorm.Model
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PigBatchID uint `gorm:"not null;index;comment:关联的猪批次ID"`
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MedicationID uint `gorm:"not null;index;comment:关联的药品ID"`
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Medication Medication `gorm:"foreignKey:MedicationID"` // 预加载药品信息
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DosageUsed float64 `gorm:"not null;comment:使用的总剂量 (单位由药品决定,如g或ml)"`
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TargetCount int `gorm:"not null;comment:用药对象数量"`
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Reason MedicationReasonType `gorm:"size:20;not null;comment:用药原因"`
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Description string `gorm:"size:255;comment:具体描述,如'治疗呼吸道病'"`
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OperatorID uint `gorm:"comment:操作员ID"`
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HappenedAt time.Time `gorm:"primaryKey;comment:用药时间"`
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}
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func (MedicationLog) TableName() string {
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return "medication_logs"
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}
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