moved GetStreamDir to util

stream.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"encoding/json"
 	"io/ioutil"
 	"log"
 	"net/http"
@@ -12,19 +13,18 @@ import (
 
 // Stream Unexported
 type Stream struct {
-	URL           string
-	base64        string
-	streamDirPath string
+	URL      string `json:"url"`
+	Base64   string `json:"base64"`
+	Interval int    `json:"interval"`
 }
 
 // NewStream creates a new Stream Object
 func NewStream(URL string) Stream {
 	base64 := URLToBase64(URL)
-	streamDirPath := filepath.Join(".", "streams", base64)
 	return Stream{
-		URL:           URL,
-		base64:        base64,
-		streamDirPath: streamDirPath,
+		URL:      URL,
+		Base64:   base64,
+		Interval: 5000,
 	}
 }
 
@@ -70,24 +70,25 @@ func (s Stream) SwapInstants(previous string, current string, next string) {
 	}
 }
 
-// GetStreamDirPath returns filepath.Join(".", "streams")
-func (s Stream) GetStreamDirPath() string {
-	return filepath.Join(".", "streams")
+// GetStreamJSONPath returns filepath.Join(s.GetStreamStoreDirPath(), "stream.json")
+func (s Stream) GetStreamJSONPath() string {
+	return filepath.Join(s.GetStreamStoreDirPath(), "stream.json")
 }
 
-// StreamStorePathExists returns FileExists(GetStreamDirPath())
-func (s Stream) StreamStorePathExists() bool {
-	return FileExists(s.GetStreamDirPath())
+// WriteStreamJSON writes the Stream struct to GetStreamJSONPath()
+func (s Stream) WriteStreamJSON() {
+	file, _ := json.MarshalIndent(s, "", "")
+	_ = ioutil.WriteFile(s.GetStreamJSONPath(), file, 0644)
 }
 
-// GetStreamStoreDirPath returns filepath.Join(s.GetStreamDirPath(), s.base64)
+// GetStreamStoreDirPath returns filepath.Join(s.GetStreamDirPath(), s.Base64)
 func (s Stream) GetStreamStoreDirPath() string {
-	return filepath.Join(s.GetStreamDirPath(), s.base64)
+	return filepath.Join(GetStreamDirPath(), s.Base64)
 }
 
-// GetPreviousInstantPath returns filepath.Join(GetStreamDirPath(), s.base64, "previous.jpg")
+// GetPreviousInstantPath returns filepath.Join(GetStreamDirPath(), s.Base64, "previous.jpg")
 func (s Stream) GetPreviousInstantPath() string {
-	return filepath.Join(s.GetStreamDirPath(), s.base64, "previous.jpg")
+	return filepath.Join(s.GetStreamStoreDirPath(), "previous.jpg")
 }
 
 // PreviousInstantPathExists returns FileExists(GetPreviousInstantPath())
@@ -100,9 +101,9 @@ func (s Stream) IMReadPrevious() gocv.Mat {
 	return gocv.IMRead(s.GetPreviousInstantPath(), gocv.IMReadGrayScale)
 }
 
-// GetCurrentInstantPath returns filepath.Join(s.GetStreamDirPath(), s.base64, "current.jpg")
+// GetCurrentInstantPath returns filepath.Join(s.GetStreamDirPath(), s.Base64, "current.jpg")
 func (s Stream) GetCurrentInstantPath() string {
-	return filepath.Join(s.GetStreamDirPath(), s.base64, "current.jpg")
+	return filepath.Join(s.GetStreamStoreDirPath(), "current.jpg")
 }
 
 // CurrentInstantPathExists returns FileExists(GetCurrentInstantPath())
@@ -115,9 +116,9 @@ func (s Stream) IMReadCurrent() gocv.Mat {
 	return gocv.IMRead(s.GetCurrentInstantPath(), gocv.IMReadGrayScale)
 }
 
-// GetNextInstantPath returns filepath.Join(s.GetStreamDirPath(), s.base64, "last.jpg")
+// GetNextInstantPath returns filepath.Join(s.GetStreamDirPath(), s.Base64, "last.jpg")
 func (s Stream) GetNextInstantPath() string {
-	return filepath.Join(s.GetStreamDirPath(), s.base64, "last.jpg")
+	return filepath.Join(s.GetStreamStoreDirPath(), "last.jpg")
 }
 
 // NextInstantPathExists returns FileExists(GetNextInstantPath())

util.go

@@ -4,6 +4,7 @@ import (
 	"crypto/sha256"
 	"encoding/base64"
 	"os"
+	"path/filepath"
 )
 
 // URLToBase64 returns the base64 encoding of the URL parameter
@@ -13,8 +14,24 @@ func URLToBase64(URL string) string {
 	return base64.URLEncoding.EncodeToString(h.Sum(nil))
 }
 
+// Base64ToURL returns the string decoded base64 value
+func Base64ToURL(value string) string {
+	decoded, _ := base64.URLEncoding.DecodeString(value)
+	return string(decoded)
+}
+
 // FileExists returns true if path exists
 func FileExists(path string) bool {
 	_, err := os.Stat(path)
 	return !os.IsNotExist(err)
 }
+
+// GetStreamDirPath returns filepath.Join(".", "streams")
+func GetStreamDirPath() string {
+	return filepath.Join(".", "streams")
+}
+
+// StreamStorePathExists returns FileExists(GetStreamDirPath())
+func StreamStorePathExists() bool {
+	return FileExists(GetStreamDirPath())
+}