modelRT/database/query_component.go

// Package database define database operation functions
package database

import (
	"context"
	"time"

	"modelRT/config"
	"modelRT/orm"

	"github.com/gofrs/uuid"
	"github.com/panjf2000/ants/v2"
	"go.uber.org/zap"
	"gorm.io/gorm"
	"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, tx *gorm.DB, pool *ants.PoolWithFunc, logger *zap.Logger) (map[uuid.UUID]int, error) {
	var components []orm.Component
	// ctx超时判断
	cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
	defer cancel()

	result := tx.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 nil, result.Error
	}

	// TODO 优化componentTypeMap输出
	componentTypeMap := make(map[uuid.UUID]int, len(components))

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

		componentTypeMap[component.GlobalUUID] = component.ComponentType
	}
	return componentTypeMap, nil
}

// QueryComponentByUUID return the result of query circuit diagram component info by uuid from postgresDB
func QueryComponentByUUID(ctx context.Context, tx *gorm.DB, uuid uuid.UUID) (orm.Component, error) {
	var component orm.Component
	// ctx超时判断
	cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
	defer cancel()

	result := tx.WithContext(cancelCtx).Where("global_uuid = ? ", uuid).Clauses(clause.Locking{Strength: "UPDATE"}).Find(&component)
	if result.Error != nil {
		return orm.Component{}, result.Error
	}
	return component, nil
}

// QueryComponentByPageID return the result of query circuit diagram component info by page id from postgresDB
func QueryComponentByPageID(ctx context.Context, tx *gorm.DB, uuid uuid.UUID) (orm.Component, error) {
	var component orm.Component
	// ctx超时判断
	cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
	defer cancel()

	result := tx.WithContext(cancelCtx).Where("page_id = ? ", uuid).Clauses(clause.Locking{Strength: "UPDATE"}).Find(&component)
	if result.Error != nil {
		return orm.Component{}, result.Error
	}
	return component, nil
}