From c1bff94567a3f1bbfe631795608a24fa44394e76 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Sun, 13 Dec 2015 01:36:41 +0100
Subject: GroupName should now be only supplied for music pools added context
 SanityCheck before fetching files


diff --git a/fetcher.go b/fetcher.go
index a86f7ca..7d406b2 100644
--- a/fetcher.go
+++ b/fetcher.go
@@ -146,7 +146,6 @@ func FetchFileLocal(ctx *ImportContext, uri *url.URL) (err error) {
 
 type FetchFunc func(*ImportContext, *url.URL) (err error)
 
-
 // TODO: implement fetchers for:
 //         archiv://
 //         public://
diff --git a/importer.go b/importer.go
index f365ea5..0fc5ecf 100644
--- a/importer.go
+++ b/importer.go
@@ -62,7 +62,7 @@ type ImportContext struct {
 	ProgressCallBackData interface{}
 }
 
-func NewImportContext(conf *Config, rddb *RdDb, user string, group string) *ImportContext {
+func NewImportContext(conf *Config, rddb *RdDb, user string) *ImportContext {
 	ctx := new(ImportContext)
 	ctx.Config = conf
 	ctx.RdDb = rddb
@@ -71,11 +71,11 @@ func NewImportContext(conf *Config, rddb *RdDb, user string, group string) *Impo
 	ctx.Trusted = false
 	ctx.ShowId = 0
 	ctx.ClearShowCarts = false
-	ctx.GroupName = group
+	ctx.GroupName = ""
 	ctx.Cart = 0
 	ctx.Cut = 0
 	ctx.Channels = 2
-	ctx.NormalizationLevel = -1200
+	ctx.NormalizationLevel = -12
 	ctx.AutotrimLevel = 0
 	ctx.UseMetaData = false
 	ctx.SourceFile = ""
@@ -86,6 +86,29 @@ func NewImportContext(conf *Config, rddb *RdDb, user string, group string) *Impo
 	return ctx
 }
 
+func (ctx *ImportContext) SanityCheck() error {
+	if ctx.UserName == "" {
+		return fmt.Errorf("empty Username is not allowed")
+	}
+	if ctx.Password == "" && !ctx.Trusted {
+		return fmt.Errorf("empty Password on untrusted control interface is not allowed")
+	}
+	if ctx.ShowId != 0 {
+		return nil
+	}
+	if ctx.GroupName != "" {
+		// TODO: check if GroupName is a music pool -> Error if not
+		return nil
+	}
+	if ctx.Cart == 0 {
+		return fmt.Errorf("either ShowId, PoolName or CartNumber must be supplied")
+	}
+	if ctx.Channels != 1 && ctx.Channels != 2 {
+		return fmt.Errorf("channles must be 1 or 2")
+	}
+	return nil
+}
+
 func (ctx *ImportContext) getPassword(cached bool) (err error) {
 	req := getPasswordRequest{}
 	req.username = ctx.UserName
@@ -409,7 +432,7 @@ func ImportFile(ctx *ImportContext) (res *ImportResult, err error) {
 		//     - add_cut(ctx, res) [200 -> OK]
 		//     - import_audio(ctx, res) [200 -> OK]
 		return
-	} else if ctx.GroupName != "" && ctx.Cart == 0 {
+	} else if ctx.GroupName != "" {
 		res.ResponseCode = 500
 		res.ErrorString = "Importing to music pools using the group name is not yet implemented"
 		// TODO: fetch info from dropboxes (import-params)
@@ -419,7 +442,8 @@ func ImportFile(ctx *ImportContext) (res *ImportResult, err error) {
 	} else if ctx.Cart != 0 && ctx.Cut == 0 {
 		res.ResponseCode = 500
 		res.ErrorString = "Importing to a Cart which might not exist is not yet implemented"
-		// TODO: (everything except Cut and ShowId must be in context)
+		// TODO: (everything except Cut, GroupName and ShowId must be in context)
+		//     - ctx.GetGroupOfCart(ctx.Cart)
 		//     - remove_cart(ctx, res) [200 || 404 -> OK]
 		//     - add_cart(ctx, res) [200 -> OK]
 		//     - add_cut(ctx, res) [200 -> OK]
-- 
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