тестовый го бэкэнд

backend/model.go

@@ -0,0 +1,158 @@
+package main
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"time"
+
+	"github.com/google/uuid"
+	"gorm.io/gorm"
+)
+
+// JSON is a generic JSON column type for GORM.
+type JSON json.RawMessage
+
+func (j JSON) Value() (driver.Value, error) {
+	if len(j) == 0 {
+		return nil, nil
+	}
+	return []byte(j), nil
+}
+
+func (j *JSON) Scan(value interface{}) error {
+	if value == nil {
+		*j = JSON("null")
+		return nil
+	}
+	switch v := value.(type) {
+	case []byte:
+		*j = JSON(v)
+	case string:
+		*j = JSON(v)
+	}
+	return nil
+}
+
+func (j JSON) MarshalJSON() ([]byte, error) {
+	if len(j) == 0 {
+		return []byte("null"), nil
+	}
+	return []byte(j), nil
+}
+
+func (j *JSON) UnmarshalJSON(data []byte) error {
+	*j = JSON(data)
+	return nil
+}
+
+func (JSON) GormDataType() string { return "jsonb" }
+
+// Base fields shared by all models.
+type Base struct {
+	ID        uuid.UUID      `gorm:"type:uuid;primaryKey;default:gen_random_uuid()" json:"id"`
+	CreatedAt time.Time      `gorm:"autoCreateTime" json:"created_at"`
+	UpdatedAt time.Time      `gorm:"autoUpdateTime" json:"updated_at"`
+	DeletedAt gorm.DeletedAt `gorm:"index" json:"deleted_at"`
+}
+
+type Template struct {
+	Base
+	Name        string     `json:"name"`
+	Description *string    `json:"description"`
+	Elements    JSON       `gorm:"type:jsonb" json:"elements"`
+	Order       float64    `gorm:"default:0" json:"order"`
+	GroupID     *uuid.UUID `gorm:"type:uuid" json:"group_id"`
+
+	Group              *Group              `gorm:"foreignKey:GroupID" json:"group,omitempty"`
+	Files              []File              `gorm:"foreignKey:TemplateID;constraint:OnDelete:CASCADE" json:"files,omitempty"`
+	Sheets             []Sheet             `gorm:"foreignKey:TemplateID;constraint:OnDelete:CASCADE" json:"sheets,omitempty"`
+	TemplateAttributes []TemplateAttribute `gorm:"foreignKey:TemplateID;constraint:OnDelete:CASCADE" json:"template_attributes,omitempty"`
+}
+
+type File struct {
+	Base
+	Name       string     `json:"name"`
+	Content    []byte     `gorm:"type:bytea" json:"-"`
+	Cells      JSON       `gorm:"type:jsonb" json:"cells"`
+	TemplateID *uuid.UUID `gorm:"type:uuid" json:"template_id"`
+
+	Template *Template `gorm:"foreignKey:TemplateID" json:"template,omitempty"`
+}
+
+type Sheet struct {
+	Base
+	Name       string    `json:"name"`
+	Cells      JSON      `gorm:"type:jsonb" json:"cells"`
+	TemplateID uuid.UUID `gorm:"type:uuid" json:"template_id"`
+
+	Template *Template `gorm:"foreignKey:TemplateID" json:"template,omitempty"`
+}
+
+type Attribute struct {
+	Base
+	Name       string `json:"name"`
+	IsRequired bool   `json:"is_required"`
+
+	TemplateAttributes []TemplateAttribute `gorm:"foreignKey:AttributeID" json:"template_attributes,omitempty"`
+}
+
+type TemplateAttribute struct {
+	TemplateID  uuid.UUID `gorm:"type:uuid;primaryKey" json:"template_id"`
+	AttributeID uuid.UUID `gorm:"type:uuid;primaryKey" json:"attribute_id"`
+	Value       *string   `json:"value"`
+	CreatedAt   time.Time `gorm:"autoCreateTime" json:"created_at"`
+	UpdatedAt   time.Time `gorm:"autoUpdateTime" json:"updated_at"`
+
+	Template  *Template  `gorm:"foreignKey:TemplateID" json:"template,omitempty"`
+	Attribute *Attribute `gorm:"foreignKey:AttributeID" json:"attribute,omitempty"`
+}
+
+type Standard struct {
+	Base
+	Name           string    `json:"name"`
+	ProtocolName   string    `json:"protocol_name"`
+	RegistryNumber string    `json:"registry_number"`
+	Range          string    `json:"range"`
+	Accuracy       string    `json:"accuracy"`
+	ValidUntil     time.Time `gorm:"type:date" json:"valid_until"`
+}
+
+type Group struct {
+	Base
+	Name      string  `json:"name"`
+	Order     float64 `gorm:"default:0" json:"order"`
+	IsVisible bool    `gorm:"default:true" json:"is_visible"`
+
+	Templates []Template `gorm:"foreignKey:GroupID" json:"templates,omitempty"`
+}
+
+type Laboratory struct {
+	Base
+	Name string `json:"name"`
+
+	ConditionTypes []ConditionType `gorm:"many2many:laboratory_condition_type" json:"condition_types"`
+	DailyConditions []DailyCondition `gorm:"foreignKey:LaboratoryID;constraint:OnDelete:CASCADE" json:"daily_conditions,omitempty"`
+}
+
+func (Laboratory) TableName() string { return "laboratorys" }
+
+type ConditionType struct {
+	Base
+	Name string `json:"name"`
+	Unit string `json:"unit"`
+
+	Laboratories []Laboratory `gorm:"many2many:laboratory_condition_type" json:"laboratories,omitempty"`
+}
+
+func (ConditionType) TableName() string { return "conditiontypes" }
+
+type DailyCondition struct {
+	Base
+	LaboratoryID    uuid.UUID `gorm:"type:uuid" json:"laboratory_id"`
+	MeasurementDate time.Time `gorm:"type:date" json:"measurement_date"`
+	Conditions      JSON      `gorm:"type:jsonb" json:"conditions"`
+
+	Laboratory *Laboratory `gorm:"foreignKey:LaboratoryID" json:"laboratory,omitempty"`
+}
+
+func (DailyCondition) TableName() string { return "daily_conditions" }