49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
// Package database define database operation functions
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package database
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import (
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"context"
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"encoding/json"
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"strconv"
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"time"
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"modelRT/orm"
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"go.uber.org/zap"
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)
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// LoadCircuitDiagramFromPostgresDB return the result of query circuit diagram info from postgresDB
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func LoadCircuitDiagramFromPostgresDB(ctx context.Context, logger *zap.Logger) ([]orm.CircuitDiagram, error) {
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var circuitDiagramOverviews []orm.CircuitDiagramOverview
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// ctx超时判断
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cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
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defer cancel()
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result := _globalPostgresClient.WithContext(cancelCtx).Find(&circuitDiagramOverviews)
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if result.Error != nil {
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logger.Error("query circuit diagram overview info failed", zap.Error(result.Error))
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}
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var circuitDiagrams []orm.CircuitDiagram
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for _, diagram := range circuitDiagramOverviews {
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cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
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defer cancel()
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var circuitDiagram orm.CircuitDiagram
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tableName := "circuit_diagram_" + strconv.FormatInt(diagram.ID, 10)
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result := _globalPostgresClient.Table(tableName).WithContext(cancelCtx).Find(&circuitDiagram)
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if result.Error != nil {
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logger.Error("query circuit diagram info failed", zap.Error(result.Error))
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return nil, result.Error
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}
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circuitDiagrams = append(circuitDiagrams, circuitDiagram)
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}
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for _, diagram := range circuitDiagrams {
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// TODO
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// 根据 diagram 的 type 类型选择不同的承接结构
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// 换一个解析更快的 json encoder
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json.Unmarshal([]byte(diagram.OtherParams), nil)
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// unmarshal diagram
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}
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return circuitDiagrams, nil
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}
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