migrate to multiple sqlite db files ( primary + requests + logs )

scnserver/logic/dbpool.go

@@ -0,0 +1,88 @@
+package logic
+
+import (
+	scn "blackforestbytes.com/simplecloudnotifier"
+	"blackforestbytes.com/simplecloudnotifier/db"
+	logsdb "blackforestbytes.com/simplecloudnotifier/db/impl/logs"
+	primarydb "blackforestbytes.com/simplecloudnotifier/db/impl/primary"
+	requestsdb "blackforestbytes.com/simplecloudnotifier/db/impl/requests"
+	"context"
+)
+
+type DBPool struct {
+	Primary  *primarydb.Database
+	Requests *requestsdb.Database
+	Logs     *logsdb.Database
+}
+
+func NewDBPool(conf scn.Config) (*DBPool, error) {
+
+	dbprimary, err := primarydb.NewPrimaryDatabase(conf)
+	if err != nil {
+		return nil, err
+	}
+
+	dbrequests, err := requestsdb.NewRequestsDatabase(conf)
+	if err != nil {
+		return nil, err
+	}
+
+	dblogs, err := logsdb.NewLogsDatabase(conf)
+	if err != nil {
+		return nil, err
+	}
+
+	return &DBPool{
+		Primary:  dbprimary,
+		Requests: dbrequests,
+		Logs:     dblogs,
+	}, nil
+}
+
+func (p DBPool) List() []db.DatabaseImpl {
+	return []db.DatabaseImpl{
+		p.Primary,
+		p.Requests,
+		p.Logs,
+	}
+}
+
+func (p DBPool) Stop(ctx context.Context) error {
+
+	var err error = nil
+
+	for _, subdb := range p.List() {
+		err2 := subdb.Stop(ctx)
+		if err2 != nil && err == nil {
+			err = err2
+		}
+	}
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (p DBPool) Migrate(ctx context.Context) error {
+	for _, subdb := range p.List() {
+		err := subdb.Migrate(ctx)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (p DBPool) Ping(ctx context.Context) error {
+	for _, subdb := range p.List() {
+		err := subdb.Ping(ctx)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}