persistance package

Author: revant117

app/app.go

@@ -0,0 +1,33 @@
+package app
+
+import (
+	"encoding/json"
+	"path/filepath"
+
+	"github.com/promignis/knack/constants"
+	"github.com/promignis/knack/fs"
+	"github.com/promignis/knack/utils"
+)
+
+type Manifest struct {
+	AppName string
+}
+
+var manifest Manifest
+
+func parseManifest() Manifest {
+	if manifest == (Manifest{}) {
+		root := utils.GetRootPath()
+		manifestData := fs.GetFileData(filepath.Join(root, constants.Manifest))
+		json.Unmarshal(manifestData, &manifest)
+	}
+	return manifest
+}
+
+func GetAppName() string {
+	return parseManifest().AppName
+}
+
+func GetUserDataPath() string {
+	return globalSettingFolder
+}

app/config.windows.go

@@ -0,0 +1,6 @@
+package app
+
+import "os"
+
+var systemSettingFolders = []string{os.Getenv("PROGRAMDATA")}
+var globalSettingFolder = os.Getenv("APPDATA")

app/config_darwin.go

@@ -0,0 +1,6 @@
+package app
+
+import "os"
+
+var systemSettingFolders = []string{"/Library/Application Support"}
+var globalSettingFolder = os.Getenv("HOME") + "/Library/Application Support"

app/config_xdg.go

@@ -0,0 +1,27 @@
+// +build !windows,!darwin
+
+package app
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
+
+var systemSettingFolders []string
+var globalSettingFolder string
+
+func init() {
+	if os.Getenv("XDG_CONFIG_HOME") != "" {
+		globalSettingFolder = os.Getenv("XDG_CONFIG_HOME")
+	} else {
+		globalSettingFolder = filepath.Join(os.Getenv("HOME"), ".config")
+	}
+	if os.Getenv("XDG_CONFIG_DIRS") != "" {
+		systemSettingFolders = strings.Split(os.Getenv("XDG_CONFIG_DIRS"), ":")
+	} else {
+		systemSettingFolders = []string{"/etc/xdg"}
+	}
+}

js-runtime/runtime.js

@@ -110,9 +110,10 @@ function FileWalker(filePath, cb) {
   this.filePath = filePath
 
   this.cbId = _runtime.getCbId(cb)
-
-  this.fileStat = new FileStat(filePath, (fileStat) => {
-    this.fileStat = fileStat
+  // TODO: Add webpack instead of using _this so that arrow functions can be used in windows
+  _this = this
+  this.fileStat = new FileStat(filePath, function(fileStat, _this){
+    _this.fileStat = fileStat
   })
   this.walk()
 }
@@ -128,7 +129,8 @@ function FileStat(filePath, cb) {
 }
 
 FileStat.prototype.getFileStat = function() {
-  sendAction({type: 'file_stat', filePath: this.filePath, callbackId: this.cbId}, (fileStat) => {
-    this.fileStat = fileStat
+  _this = this
+  sendAction({type: 'file_stat', filePath: this.filePath, callbackId: this.cbId}, function(fileStat){
+    _this.fileStat = fileStat
   })
 }

manifest.json

@@ -0,0 +1,3 @@
+{
+  "appName": "test-app"
+}

persistance/jsonPersistance.go

@@ -0,0 +1,42 @@
+package persistance
+
+import (
+	"os"
+	"path/filepath"
+	"sync"
+
+	"github.com/promignis/knack/app"
+	"github.com/promignis/knack/fs"
+)
+
+var lock sync.Mutex
+var userdataFilePath = filepath.Join(app.GetUserDataPath(), "/", app.GetAppName())
+
+func init() {
+
+	// In case the directory does not exist , create it before we start creating files inside it
+	if _, err := os.Stat(userdataFilePath); os.IsNotExist(err) {
+		err = os.MkdirAll(userdataFilePath, os.ModePerm)
+		if err != nil {
+			panic(err)
+		}
+	}
+}
+
+func Set(filename string, stringifiedJson string) {
+	// Putting this here so that read and write on the same file can not happen. Can be clenaed up in future.
+	lock.Lock()
+	defer lock.Unlock()
+	name := filename + ".json"
+	path := filepath.Join(userdataFilePath, name)
+	fs.WriteFileData(path, []byte(stringifiedJson))
+}
+
+func Get(filename string) string {
+	lock.Lock()
+	defer lock.Unlock()
+	name := filename + ".json"
+	path := filepath.Join(userdataFilePath, name)
+	stringifiedJson := fs.GetFileData(path)
+	return string(stringifiedJson)
+}

run-app-dev.bat

@@ -0,0 +1,2 @@
+go build -o output-dev.exe
+output-dev.exe

run-app.bat

@@ -0,0 +1,2 @@
+go build -ldflags="-H windowsgui" -o output.exe
+output.exe