bfe81deacc
Add repo, svc & rest endpoint for user, role & app metrics: total, deleted, suspended, archived, ... counters
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
package rh
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import (
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"fmt"
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"github.com/Masterminds/squirrel"
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"github.com/titpetric/factory"
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)
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// DailyMetrics aids repositories on simple stat building queries
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//
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// Returns a slice of numbers (timestamp + value pairs
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func DailyMetrics(db *factory.DB, q squirrel.SelectBuilder, field string) (rval []uint, err error) {
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var (
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aux = make([]struct {
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Timestamp uint
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Value uint
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}, 0)
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)
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q = q.
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Column(fmt.Sprintf("UNIX_TIMESTAMP(DATE(%s)) timestamp", field)).
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Column("COUNT(*) AS value").
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Where(fmt.Sprintf("%s IS NOT NULL", field)).
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GroupBy("timestamp")
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if err = FetchAll(db, q, &aux); err != nil {
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return
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}
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rval = make([]uint, 2*len(aux))
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for i := 0; i < len(aux); i++ {
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rval[2*i], rval[2*i+1] = aux[i].Timestamp, aux[i].Value
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}
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return
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}
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// MultiDailyMetrics simplifies fetching of multiple daily metrics
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func MultiDailyMetrics(db *factory.DB, q squirrel.SelectBuilder, fields []string, mm ...*[]uint) (err error) {
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for m := 0; m < len(mm); m++ {
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*mm[m], err = DailyMetrics(db, q, fields[m])
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if err != nil {
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return
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}
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}
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return
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}
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