Move to own sql abstraction on top of jmoiron/sqlx

server/models/utils.go

@@ -1,6 +1,9 @@
 package models
 
 import (
+	"database/sql"
+	"errors"
+	"github.com/jmoiron/sqlx"
 	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 	"time"
 )
@@ -19,3 +22,32 @@ func timeOptFromMilli(millis *int64) *time.Time {
 	}
 	return langext.Ptr(time.UnixMilli(*millis))
 }
+
+func scanSingle[TData any](rows *sqlx.Rows) (TData, error) {
+	if rows.Next() {
+		var data TData
+		err := rows.StructScan(&data)
+		if err != nil {
+			return *new(TData), err
+		}
+		if rows.Next() {
+			return *new(TData), errors.New("sql returned more than onw row")
+		}
+		return data, nil
+	} else {
+		return *new(TData), sql.ErrNoRows
+	}
+}
+
+func scanAll[TData any](rows *sqlx.Rows) ([]TData, error) {
+	res := make([]TData, 0)
+	for rows.Next() {
+		var data TData
+		err := rows.StructScan(&data)
+		if err != nil {
+			return nil, err
+		}
+		res = append(res, data)
+	}
+	return res, nil
+}