公开完整前后端的代码

back/src/handler/logic/trace.go

@@ -0,0 +1,96 @@
+package logic
+
+import (
+	"errors"
+	"fmt"
+	"time"
+
+	"github.com/jackc/pgx/v5"
+	hutil "zsxyww.com/wts/handler/handlerUtilities"
+	"zsxyww.com/wts/model/sqlc"
+)
+
+// 可能返回的错误：
+// ErrNoSuchTicket: 无此工单
+// ErrNoSuchStaff: 无此网维成员
+// ErrNewStatusInvalid: 工单新状态不符合逻辑
+// ErrDataInconsistent: 数据库返回数据前后不一致
+func AppendTrace(c *hutil.WtsCtx, op string, r AppendTraceParam) error {
+
+	ctx := c.Request().Context()
+
+	var opwid string
+
+	err := c.DB.DoQuery(ctx, op, func(q *sqlc.Queries) error {
+
+		//确认工单存在
+		t, err := q.GetTicket(ctx, r.Tid)
+		if err != nil {
+			if errors.Is(err, pgx.ErrNoRows) {
+				return hutil.NewWtsErr(ErrNoSuchTicket, err)
+			}
+			return hutil.NewUnknownErr(fmt.Errorf("AppendTrace::GetTicket数据库操作失败: %w", err))
+		}
+
+		//确认记录添加人的信息和有效性
+		w, err := q.GetUserByWX(ctx, op)
+		if err != nil {
+			if errors.Is(err, pgx.ErrNoRows) {
+				return hutil.NewWtsErr(ErrNoSuchStaff, err)
+			}
+			return hutil.NewUnknownErr(fmt.Errorf("AppendTrace::GetUserByWX数据库操作失败: %w", err))
+		}
+		if !w.Op {
+			opwid = "-2"
+		} else {
+			opw, err := q.GetStaffBySid(ctx, w.Sid.String)
+			if err != nil {
+				return hutil.NewUnknownErr(fmt.Errorf("AppendTrace::GetStaffBySid数据库操作失败: %w", err))
+			}
+			opwid = opw.Wid
+		}
+
+		//确认新状态是合乎逻辑的...
+		if r.NewStatus != "" {
+			if !isNewStatusValid(t.Status, r.NewStatus) {
+				return hutil.NewWtsErr(ErrNewStatusInvalid, nil)
+			}
+		}
+
+		tr, err := q.CreateTicketTrace(ctx, sqlc.CreateTicketTraceParams{
+			Tid:            r.Tid,
+			UpdatedAt:      timestamptzOpt(time.Now()),
+			Op:             opwid,
+			NewStatus:      wtsStatusOpt(string(r.NewStatus)),
+			NewPriority:    wtsPriorityOpt(string(r.NewPriority)),
+			NewAppointment: dateOpt(r.NewAppointment),
+			NewCategory:    wtsCategoryOpt(string(r.NewCategory)),
+			Remark:         r.Remark,
+		})
+		if err != nil {
+			return hutil.NewUnknownErr(fmt.Errorf("AppendTrace::CreateTicketTrace数据库操作失败: %w", err))
+		}
+		if !((tr.Tid == r.Tid) &&
+			(tr.Op == opwid) &&
+			(tr.Remark == r.Remark) &&
+			((r.NewStatus == "" && !tr.NewStatus.Valid) || (tr.NewStatus.WtsStatus == r.NewStatus)) &&
+			((r.NewPriority == "" && !tr.NewPriority.Valid) || (tr.NewPriority.WtsPriority == r.NewPriority)) &&
+			((r.NewCategory == "" && !tr.NewCategory.Valid) || (tr.NewCategory.WtsCategory == r.NewCategory)) &&
+			((r.NewAppointment.IsZero() && !tr.NewAppointment.Valid) || (tr.NewAppointment.Time.Format(time.DateOnly) == r.NewAppointment.Format(time.DateOnly)))) {
+			return hutil.NewWtsErr(ErrDataInconsistent, nil)
+		}
+
+		return nil
+
+	})
+	return err
+}
+
+type AppendTraceParam struct {
+	Tid            int32
+	NewStatus      sqlc.WtsStatus
+	NewPriority    sqlc.WtsPriority
+	NewAppointment time.Time
+	NewCategory    sqlc.WtsCategory
+	Remark         string
+}