package core

import (

"time"

"github.com/pocketbase/dbx"

"github.com/pocketbase/pocketbase/tools/types"

)

// LogQuery returns a new Log select query.

func (app *BaseApp) LogQuery() *dbx.SelectQuery {

return app.AuxModelQuery(&Log{})

}

// FindLogById finds a single Log entry by its id.

func (app *BaseApp) FindLogById(id string) (*Log, error) {

model := &Log{}

err := app.LogQuery().

AndWhere(dbx.HashExp{"id": id}).

Limit(1).

One(model)

if err != nil {

return nil, err

}

return model, nil

}

// LogsStatsItem defines the total number of logs for a specific time period.

type LogsStatsItem struct {

Date types.DateTime `db:"date" json:"date"`

Total int `db:"total" json:"total"`

}

// LogsStats returns hourly grouped logs statistics.

func (app *BaseApp) LogsStats(expr dbx.Expression) ([]*LogsStatsItem, error) {

result := []*LogsStatsItem{}

query := app.LogQuery().

Select("count(id) as total", "strftime('%Y-%m-%d %H:00:00', created) as date").

GroupBy("date")

if expr != nil {

query.AndWhere(expr)

}

err := query.All(&result)

return result, err

}

// DeleteOldLogs delete all logs that are created before createdBefore.

//

// For better performance the logs delete is executed as plain SQL statement,

// aka. no delete model hook events will be fired.

func (app *BaseApp) DeleteOldLogs(createdBefore time.Time) error {

formattedDate := createdBefore.UTC().Format(types.DefaultDateLayout)

expr := dbx.NewExp("[[created]] <= {:date}", dbx.Params{"date": formattedDate})

_, err := app.auxNonconcurrentDB.Delete((&Log{}).TableName(), expr).Execute()

return err

}