MiFaZhan
52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
package monthlyusage
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import (
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"context"
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"fmt"
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"strings"
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"github.com/gogf/gf/v2/database/gdb"
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"github.com/gogf/gf/v2/os/gtime"
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"git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/dao"
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"git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/model/do"
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)
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// Repository applies the current usage result to the card information table.
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// It deliberately does not write TDengine history for this full-sync flow.
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type Repository struct{}
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type UsageResult struct {
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CardID int64
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UsageMB float64
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}
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func NewRepository() *Repository {
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return &Repository{}
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}
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func (r *Repository) ApplyBatch(ctx context.Context, results []UsageResult) error {
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if len(results) == 0 {
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return nil
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}
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cardIDs := make([]int64, 0, len(results))
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var statement strings.Builder
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statement.WriteString("CASE " + dao.TSimCardInfo.Columns().Id + " ")
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for _, result := range results {
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if result.CardID <= 0 {
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return fmt.Errorf("monthly usage result has invalid cardId %d", result.CardID)
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}
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fmt.Fprintf(&statement, "WHEN %d THEN %f ", result.CardID, result.UsageMB)
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cardIDs = append(cardIDs, result.CardID)
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}
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statement.WriteString("END")
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_, err := dao.TSimCardInfo.Ctx(ctx).
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WhereIn(dao.TSimCardInfo.Columns().Id, cardIDs).
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Data(do.TSimCardInfo{
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UsedFlowMb: gdb.Raw(statement.String()),
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FlowSyncTime: gtime.Now(),
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}).
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Update()
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return err
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}
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