platforms/backend/api/internal/logic/client/user/gasorder.go

package user

import (
	"git.apinb.com/bsm-sdk/core/errcode"
	"git.apinb.com/bsm-sdk/core/infra"
	"git.apinb.com/heqiapp/platforms/backend/api/internal/impl"
	common "git.apinb.com/heqiapp/platforms/backend/api/internal/logic/common"
	"git.apinb.com/heqiapp/platforms/backend/api/internal/models"
	"github.com/gin-gonic/gin"
)

// ServiceRelation 返回当前唯一有效服务归属的公开 identity。
func ServiceRelation(ctx *gin.Context) {
	account, ok := common.UserAccount(ctx)
	if !ok {
		return
	}
	var relation models.UserServiceRelation
	if impl.DBService.Where("user_account_id = ? AND status = ?", account.ID, common.StatusEnable).First(&relation).Error != nil {
		infra.Response.Success(ctx, nil)
		return
	}
	response := gin.H{}
	if relation.GasBasicID != 0 {
		var gas models.GasBasic
		if impl.DBService.First(&gas, relation.GasBasicID).Error == nil {
			response["gas_identity"], response["gas_name"] = gas.Identity, gas.Name
		}
	}
	if relation.DeliveryBasicID != 0 {
		var delivery models.DeliveryBasic
		if impl.DBService.First(&delivery, relation.DeliveryBasicID).Error == nil {
			response["delivery_identity"], response["delivery_name"] = delivery.Identity, delivery.Name
		}
	}
	infra.Response.Success(ctx, response)
}

// ListGasContracts 返回用户自己的供气合同。
func ListGasContracts(ctx *gin.Context) {
	account, ok := common.UserAccount(ctx)
	if !ok {
		return
	}
	var list []models.GasorderContract
	if err := impl.DBService.Where("user_account_id = ? AND status <> ?", account.ID, common.StatusArchived).Order("created_at desc").Find(&list).Error; err != nil {
		infra.Response.Error(ctx, err)
		return
	}
	infra.Response.Success(ctx, common.ResourceResponse(list))
}

// ListGasOrders 返回用户自己的供气订单。
func ListGasOrders(ctx *gin.Context) {
	account, ok := common.UserAccount(ctx)
	if !ok {
		return
	}
	var list []models.GasorderBasic
	if err := impl.DBService.Where("user_account_id = ? AND status <> ?", account.ID, common.StatusArchived).Order("created_at desc").Find(&list).Error; err != nil {
		infra.Response.Error(ctx, err)
		return
	}
	infra.Response.Success(ctx, common.ResourceResponse(list))
}

// CancelGasOrder 仅允许取消已创建或已分派的本人订单。
func CancelGasOrder(ctx *gin.Context) {
	account, ok := common.UserAccount(ctx)
	if !ok {
		return
	}
	result := impl.DBService.Model(&models.GasorderBasic{}).
		Where("identity = ? AND user_account_id = ? AND order_status IN ?", ctx.Param("identity"), account.ID, []int{common.StatusCreated, common.StatusAssigned}).
		Updates(map[string]any{"order_status": common.StatusCancelled, "operator_identity": account.Identity})
	if result.Error != nil {
		infra.Response.Error(ctx, result.Error)
		return
	}
	if result.RowsAffected != 1 {
		infra.Response.Error(ctx, errcode.ErrInvalidArgument)
		return
	}
	infra.Response.Success(ctx, gin.H{"cancelled": true})
}