DaanSelen
69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
package database
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import (
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"eden-server/internal/runtime"
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"path/filepath"
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"time"
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"gorm.io/driver/sqlite"
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"gorm.io/gorm"
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)
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//var watchdogStop = make(chan struct{})
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func KickoffDatabase(workDir string) (*gorm.DB, error) {
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dbLoc := filepath.Join(workDir, "data", "garden.db")
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db, err := gorm.Open(sqlite.Open(dbLoc), &gorm.Config{})
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if err != nil {
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return nil, err
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}
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if err := db.AutoMigrate(&State{}); err != nil {
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return nil, err
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}
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if err := db.AutoMigrate(&Device{}); err != nil {
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return nil, err
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}
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if err := db.AutoMigrate(&File{}); err != nil {
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return nil, err
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}
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// create the first row if it does not exist yet
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if err := db.FirstOrCreate(&State{}, State{
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ID: 0,
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MediaType: "unspecified",
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}).Error; err != nil {
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return nil, err
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}
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return db, nil
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}
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func KickoffDatabaseWatchdog(env runtime.Environment, db *gorm.DB) {
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timeInterval := time.Second * time.Duration(env.WatchInterval)
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ticker := time.NewTicker(timeInterval)
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go func() {
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defer ticker.Stop()
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/*
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// Possible future mechanism to stop the watchdog
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// must be inside a non-conditional for loop
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select {
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case <-ticker.C: // ticker event
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watchdog(env.DataDirectory, db)
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case <-watchdogStop:
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return
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}
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*/
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// run the watchdog function once to see if all is well.
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watchdog(env.DataDirectory, db)
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// then defer to a decoupled/disowned golang goroutine
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for range ticker.C {
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watchdog(env.DataDirectory, db)
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}
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}()
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}
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