Restructure data layer (#2532)

* Add new txn manager interface
* Add txn management to sqlite
* Rename get to getByID
* Add contexts to repository methods
* Update query builders
* Add context to reader writer interfaces
* Use repository in resolver
* Tighten interfaces
* Tighten interfaces in dlna
* Tighten interfaces in match package
* Tighten interfaces in scraper package
* Tighten interfaces in scan code
* Tighten interfaces on autotag package
* Remove ReaderWriter usage
* Merge database package into sqlite

pkg/sqlite/functions.go

@@ -0,0 +1,32 @@
+package sqlite
+
+import (
+	"strconv"
+	"strings"
+)
+
+func durationToTinyIntFn(str string) (int64, error) {
+	splits := strings.Split(str, ":")
+
+	if len(splits) > 3 {
+		return 0, nil
+	}
+
+	seconds := 0
+	factor := 1
+	for len(splits) > 0 {
+		// pop the last split
+		var thisSplit string
+		thisSplit, splits = splits[len(splits)-1], splits[:len(splits)-1]
+
+		thisInt, err := strconv.Atoi(thisSplit)
+		if err != nil {
+			return 0, nil
+		}
+
+		seconds += factor * thisInt
+		factor *= 60
+	}
+
+	return int64(seconds), nil
+}