Configurable database path

Allow the database file to reside in a user defined location instead of
requiring it to be in the working directory.

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>

config.example.yaml

@@ -1,4 +1,5 @@
 watbot:
+  database: wat.db  # wat.db (in the working directory) is the default
   server:
     host: irc.casa  # mandatory, no default
     port: 6697

main.go

@@ -20,6 +20,7 @@ type Config struct {
 }
 
 type watConfig struct {
+	Database	string		`default:"wat.db" yaml:"database"`
 	Nick		string		`yaml:"nick"`
 	Pass		string		`yaml:"pass"`
 	User		string		`yaml:"user"`
@@ -99,6 +100,7 @@ func main() {
 		Name: config.Name,
 	}
 	watConfig := wat.WatConfig{
+		DatabasePath:      config.Database,
 		AutoJoinChannels:  config.Channels.Join,
 		PermittedChannels: config.Channels.Permitted,
 		IgnoredHosts:      config.Ignores.Hosts,

wat/bot.go

@@ -20,6 +20,7 @@ type WatBot struct {
 }
 
 type WatConfig struct {
+	DatabasePath      string
 	BotHosts          []string
 	BotGames          BotGameConfig
 	AdminHosts        []string
@@ -30,7 +31,7 @@ type WatConfig struct {
 
 func NewWatBot(config *irc.ClientConfig, watConfig *WatConfig, serverConn *tls.Conn) *WatBot {
 	wat := WatBot{conn: serverConn, Nick: config.Nick, c: watConfig}
-	wat.Db = NewWatDb()
+	wat.Db = NewWatDb(watConfig.DatabasePath)
 	wat.game = NewWatGame(&wat, wat.Db)
 	wat.integration = NewWatIntegration(&wat, wat.Db, &WatIntegrationConfig{BotHosts: watConfig.BotHosts, BotGames: watConfig.BotGames})
 	config.Handler = irc.HandlerFunc(wat.HandleIrcMsg)

wat/db.go

@@ -52,10 +52,10 @@ type WatDb struct {
 	db *gorm.DB
 }
 
-func NewWatDb() *WatDb {
+func NewWatDb(dbpath string) *WatDb {
 	w := WatDb{}
         var err error
-	w.db, err = gorm.Open(sqlite.Open("wat.db"), &gorm.Config{})
+	w.db, err = gorm.Open(sqlite.Open(dbpath), &gorm.Config{})
 	if err != nil {
 		panic(err)
 	}