modelRT/database/query_component.go

// Package database define database operation functions
package database

import (
	"context"
	"fmt"
	"strconv"
	"time"

	"modelRT/config"
	"modelRT/diagram"
	"modelRT/orm"

	"github.com/panjf2000/ants/v2"
	"go.uber.org/zap"
	"gorm.io/gorm/clause"
)

// QueryCircuitDiagramComponentFromDB return the result of query circuit diagram component info order by page id from postgresDB
func QueryCircuitDiagramComponentFromDB(ctx context.Context, pool *ants.PoolWithFunc, logger *zap.Logger) error {
	var Components []orm.Component
	// ctx超时判断
	cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
	defer cancel()
	// TODO 将 for update 操作放到事务中
	result := _globalPostgresClient.WithContext(cancelCtx).Clauses(clause.Locking{Strength: "UPDATE"}).Find(&Components)
	if result.Error != nil {
		logger.Error("query circuit diagram component info failed", zap.Error(result.Error))
		return result.Error
	}

	for _, component := range Components {
		pool.Invoke(config.ModelParseConfig{
			ComponentInfo: component,
			Context:       ctx,
		})
	}
	return nil
}

// QueryElectricalEquipmentUUID return the result of query electrical equipment uuid from postgresDB by circuit diagram id info
func QueryElectricalEquipmentUUID(ctx context.Context, diagramID int64, logger *zap.Logger) error {
	var uuids []string
	// ctx超时判断
	cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
	defer cancel()
	tableName := "circuit_diagram_" + strconv.FormatInt(diagramID, 10)
	result := _globalPostgresClient.Table(tableName).WithContext(cancelCtx).Clauses(clause.Locking{Strength: "UPDATE"}).Select("uuid").Find(&uuids)
	if result.Error != nil {
		logger.Error("query circuit diagram overview info failed", zap.Error(result.Error))
		return result.Error
	}

	for _, uuid := range uuids {
		diagramParamsMap, err := diagram.GetComponentMap(uuid)
		if err != nil {
			logger.Error("get electrical circuit diagram overview info failed", zap.Error(result.Error))
			return result.Error
		}
		fmt.Println(diagramParamsMap, err)
	}

	return nil
}