From 4b0cb427306cb5bab60e6abdd16dbd7bd8df2a85 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@helsinki.at>
Date: Thu, 10 Dec 2015 17:30:40 +0100
Subject: added support for progress callbacks


diff --git a/fetcher.go b/fetcher.go
index b4e2f0c..03cf3da 100644
--- a/fetcher.go
+++ b/fetcher.go
@@ -33,7 +33,6 @@ import (
 	"os"
 	"path"
 	"strings"
-	"time"
 )
 
 type CurlCBData struct {
@@ -107,12 +106,11 @@ func FetchFileCurl(ctx *ImportContext, uri *url.URL) (err error) {
 		easy.Setopt(curl.OPT_WRITEDATA, cbdata)
 
 		easy.Setopt(curl.OPT_NOPROGRESS, false)
-		started := int64(0)
 		easy.Setopt(curl.OPT_PROGRESSFUNCTION, func(dltotal, dlnow, ultotal, ulnow float64, userdata interface{}) bool {
-			if started == 0 {
-				started = time.Now().Unix()
+			ctx := userdata.(*ImportContext)
+			if ctx.ProgressCallBack != nil {
+				ctx.ProgressCallBack(1, "downloading", dlnow/dltotal, ctx.ProgressCallBackData)
 			}
-			fmt.Printf("Downloaded: %3.2f%%, Speed: %.1fKiB/s \r", dlnow/dltotal*100, dlnow/1000/float64((time.Now().Unix()-started)))
 			return true
 		})
 		easy.Setopt(curl.OPT_PROGRESSDATA, ctx)
@@ -131,6 +129,9 @@ func FetchFileCurl(ctx *ImportContext, uri *url.URL) (err error) {
 
 func FetchFileLocal(ctx *ImportContext, uri *url.URL) (err error) {
 	rhl.Printf("Local fetcher called for '%s'", ctx.SourceUri)
+	if ctx.ProgressCallBack != nil {
+		ctx.ProgressCallBack(1, "fetching", 1.0, ctx.ProgressCallBackData)
+	}
 	ctx.SourceFile = uri.Path
 	ctx.DeleteSourceFile = false
 	ctx.DeleteSourceDir = false
diff --git a/importer.go b/importer.go
index 0d0a836..68b71a6 100644
--- a/importer.go
+++ b/importer.go
@@ -41,21 +41,23 @@ var (
 type ImportContext struct {
 	*Config
 	*RdDb
-	UserName           string
-	Password           string
-	Trusted            bool
-	ShowId             int
-	GroupName          string
-	Cart               int
-	Cut                int
-	Channels           int
-	NormalizationLevel int
-	AutotrimLevel      int
-	UseMetaData        bool
-	SourceUri          string
-	SourceFile         string
-	DeleteSourceFile   bool
-	DeleteSourceDir    bool
+	UserName             string
+	Password             string
+	Trusted              bool
+	ShowId               int
+	GroupName            string
+	Cart                 int
+	Cut                  int
+	Channels             int
+	NormalizationLevel   int
+	AutotrimLevel        int
+	UseMetaData          bool
+	SourceUri            string
+	SourceFile           string
+	DeleteSourceFile     bool
+	DeleteSourceDir      bool
+	ProgressCallBack     func(step int, step_name string, progress float64, userdata interface{})
+	ProgressCallBackData interface{}
 }
 
 func NewImportContext(conf *Config, rddb *RdDb, user string, group string) *ImportContext {
@@ -76,6 +78,7 @@ func NewImportContext(conf *Config, rddb *RdDb, user string, group string) *Impo
 	ctx.SourceFile = ""
 	ctx.DeleteSourceFile = false
 	ctx.DeleteSourceDir = false
+	ctx.ProgressCallBack = nil
 
 	return ctx
 }
@@ -168,6 +171,8 @@ func import_audio(ctx *ImportContext) (err error) {
 	if res, err = client.Do(req); err != nil {
 		return
 	}
+	defer res.Body.Close()
+
 	if res.StatusCode != http.StatusOK {
 		// TODO: better error output
 		err = fmt.Errorf("bad status: %s", res.Status)
@@ -176,13 +181,13 @@ func import_audio(ctx *ImportContext) (err error) {
 }
 
 func cleanup_files(ctx *ImportContext) {
-	if(ctx.DeleteSourceFile) {
+	if ctx.DeleteSourceFile {
 		rhdl.Printf("importer: removing file: %s", ctx.SourceFile)
 		if err := os.Remove(ctx.SourceFile); err != nil {
 			rhl.Printf("importer: error removing source file: %s", err)
 			return
 		}
-		if(ctx.DeleteSourceDir) {
+		if ctx.DeleteSourceDir {
 			dir := path.Dir(ctx.SourceFile)
 			rhdl.Printf("importer: also removing directory: %s", dir)
 			if err := os.Remove(dir); err != nil {
@@ -197,6 +202,10 @@ func ImportFile(ctx *ImportContext) (err error) {
 	rhl.Println("ImportFile called for", ctx.SourceFile)
 	defer cleanup_files(ctx)
 
+	if ctx.ProgressCallBack != nil {
+		ctx.ProgressCallBack(2, "importing", 0.0, ctx.ProgressCallBackData)
+	}
+
 	if ctx.Trusted {
 		if err = ctx.getPassword(true); err != nil {
 			return
@@ -207,5 +216,10 @@ func ImportFile(ctx *ImportContext) (err error) {
 		return
 	}
 
+	if ctx.ProgressCallBack != nil {
+		ctx.ProgressCallBack(2, "importing", 1.0, ctx.ProgressCallBackData)
+	}
+
+	rhl.Println("ImportFile succesfully imported", ctx.SourceFile)
 	return
 }
-- 
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