added default config

Config.go

@@ -0,0 +1,273 @@
+package libdatamanager
+
+import (
+	"fmt"
+	"log"
+	"net/url"
+	"os"
+	"os/user"
+	"path"
+	"path/filepath"
+
+	"github.com/JojiiOfficial/configService"
+	"github.com/JojiiOfficial/gaw"
+	"github.com/denisbrodbeck/machineid"
+	"gopkg.in/yaml.v2"
+)
+
+// ...
+const (
+	DataDir           = ".dmanager"
+	DefaultConfigFile = "config.yaml"
+)
+
+// Config Configuration structure
+type Config struct {
+	File      string
+	MachineID string
+	User      struct {
+		Username     string
+		SessionToken string
+	}
+
+	Server  serverConfig
+	Client  clientConfig
+	Default defaultConfig
+}
+
+type serverConfig struct {
+	URL            string `required:"true"`
+	AlternativeURL string
+	IgnoreCert     bool
+}
+
+type clientConfig struct {
+	MinFilesToDisplay uint16 `required:"true"`
+	AutoFilePreview   bool
+	DefaultOrder      string
+	DefaultDetails    int
+	TrimNameAfter     int
+}
+
+type defaultConfig struct {
+	Namespace string `default:"default"`
+	Tags      []string
+	Groups    []string
+}
+
+func getDefaultConfig() Config {
+	return Config{
+		MachineID: GenMachineID(),
+		Server: serverConfig{
+			URL:        "http://localhost:9999",
+			IgnoreCert: false,
+		},
+		Client: clientConfig{
+			MinFilesToDisplay: 100,
+			AutoFilePreview:   true,
+			DefaultDetails:    0,
+			DefaultOrder:      "created/r",
+			TrimNameAfter:     20,
+		},
+		Default: defaultConfig{
+			Namespace: "default",
+		},
+	}
+}
+
+// InitConfig inits the configfile
+func InitConfig(defaultFile, file string) (*Config, error) {
+	var needCreate bool
+	var config Config
+
+	if len(file) == 0 {
+		file = defaultFile
+		needCreate = true
+	}
+
+	// Check if config already exists
+	_, err := os.Stat(file)
+	needCreate = err != nil
+
+	if needCreate {
+		// Autocreate folder
+		path, _ := filepath.Split(file)
+		_, err := os.Stat(path)
+		if err != nil {
+			err = os.MkdirAll(path, 0770)
+			if err != nil {
+				return nil, err
+			}
+		}
+
+		// Set config to default config
+		config = getDefaultConfig()
+	}
+
+	// Create config file if not exists and fill it with the default values
+	isDefault, err := configService.SetupConfig(&config, file, configService.NoChange)
+	if err != nil {
+		return nil, err
+	}
+	// Return if created but further steps are required
+	if isDefault {
+		if needCreate {
+			return nil, nil
+		}
+	}
+
+	// Load configuration
+	if err = configService.Load(&config, file); err != nil {
+		return nil, err
+	}
+
+	config.File = file
+	config.SetMachineID()
+
+	return &config, nil
+}
+
+// SetMachineID sets machineID if empty
+func (config *Config) SetMachineID() {
+	if len(config.MachineID) == 0 {
+		config.MachineID = GenMachineID()
+		configService.Save(config, config.File)
+	}
+}
+
+// Validate check the config
+func (config *Config) Validate() error {
+	// Put in your validation logic here
+	return nil
+}
+
+// GetMachineID returns the machineID
+func (config *Config) GetMachineID() string {
+	// Gen new MachineID if empty
+	if len(config.MachineID) == 0 {
+		config.SetMachineID()
+	}
+
+	// Check length of machineID
+	if len(config.MachineID) > 100 {
+		fmt.Println("Warning: MachineID too big")
+		return ""
+	}
+
+	return config.MachineID
+}
+
+// IsLoggedIn return true if sessiondata is available
+func (config *Config) IsLoggedIn() bool {
+	return len(config.User.Username) > 0 && len(config.User.SessionToken) == 64
+}
+
+// GetDefaultOrder returns the default order. If empty returns the default order
+func (config *Config) GetDefaultOrder() string {
+	if len(config.Client.DefaultOrder) > 0 {
+		return config.Client.DefaultOrder
+	}
+
+	// Return default order
+	return getDefaultConfig().Client.DefaultOrder
+}
+
+// GetPreviewURL gets preview URL
+func (config *Config) GetPreviewURL(file string) string {
+	// Use alternative url if available
+	if len(config.Server.AlternativeURL) != 0 {
+		//Parse URL
+		u, err := url.Parse(config.Server.AlternativeURL)
+		if err != nil {
+			fmt.Println("Server alternative URL is not valid: ", err)
+			return ""
+		}
+		//Set new path
+		u.Path = path.Join(u.Path, file)
+		return u.String()
+	}
+
+	// Parse URL
+	u, err := url.Parse(config.Server.URL)
+	if err != nil {
+		log.Fatalln("Server URL is not valid: ", err)
+		return ""
+	}
+
+	// otherwise use default url and 'preview' folder
+	u.Path = path.Join(u.Path, "preview", file)
+	return u.String()
+}
+
+// GetDefaultConfigFile return path of default config
+func GetDefaultConfigFile() string {
+	return filepath.Join(getDataPath(), DefaultConfigFile)
+}
+
+func getDataPath() string {
+	path := filepath.Join(gaw.GetHome(), DataDir)
+	s, err := os.Stat(path)
+	if err != nil {
+		err = os.Mkdir(path, 0770)
+		if err != nil {
+			log.Fatalln(err.Error())
+		}
+	} else if s != nil && !s.IsDir() {
+		log.Fatalln("DataPath-name already taken by a file!")
+	}
+	return path
+}
+
+// View view config
+func (config Config) View(redactSecrets bool) string {
+	// React secrets if desired
+	if redactSecrets {
+		config.User.SessionToken = "<redacted>"
+	}
+
+	// Create yaml
+	ymlB, err := yaml.Marshal(config)
+	if err != nil {
+		return err.Error()
+	}
+
+	return string(ymlB)
+}
+
+// ToRequestConfig create a libdm requestconfig from given cli client config
+func (config Config) ToRequestConfig() *RequestConfig {
+	return &RequestConfig{
+		MachineID:    config.GetMachineID(),
+		URL:          config.Server.URL,
+		IgnoreCert:   config.Server.IgnoreCert,
+		SessionToken: config.User.SessionToken,
+		Username:     config.User.Username,
+	}
+}
+
+// GenMachineID detect the machineID. If not detected return random string
+func GenMachineID() string {
+	username := getPseudoUsername()
+
+	// Protect with username to allow multiple user
+	// on a system using the same manager username
+	id, err := machineid.ProtectedID(username)
+	if err == nil {
+		return id
+	}
+
+	// If not detected reaturn random string
+	return gaw.RandString(60)
+}
+
+func getPseudoUsername() string {
+	var username string
+	user, err := user.Current()
+	if err != nil {
+		username = gaw.RandString(10)
+	} else {
+		username = user.Username
+	}
+
+	return username
+}

go.mod

@@ -1,3 +1,11 @@
 module github.com/DataManager-Go/libdatamanager
 
 go 1.14
+
+require (
+	github.com/JojiiOfficial/configService v0.0.0-20200219132202-6e71512e2e28
+	github.com/JojiiOfficial/gaw v1.2.0
+	github.com/denisbrodbeck/machineid v1.0.1
+	golang.org/x/sys v0.0.0-20200331124033-c3d80250170d // indirect
+	gopkg.in/yaml.v2 v2.2.8
+)

go.sum

@@ -0,0 +1,13 @@
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/JojiiOfficial/configService v0.0.0-20200219132202-6e71512e2e28 h1:nYoIExG+Z/gSLS9Jbpu6lnrh+m6e9gTxQfGhanTsExE=
+github.com/JojiiOfficial/configService v0.0.0-20200219132202-6e71512e2e28/go.mod h1:j1kHFoYWAbLRPE5nyAAtODwUc0xwd2+ifPZ3uCAgv/g=
+github.com/JojiiOfficial/gaw v1.2.0 h1:qIu6xVtCvd4yhAfI0MGGr5CPus0hpY+eFUDUGqc/sYQ=
+github.com/JojiiOfficial/gaw v1.2.0/go.mod h1:Y0hrpN0iX0L5bBf/8+kIER7R/m4GTNuKkifXisMG4S4=
+github.com/denisbrodbeck/machineid v1.0.1 h1:geKr9qtkB876mXguW2X6TU4ZynleN6ezuMSRhl4D7AQ=
+github.com/denisbrodbeck/machineid v1.0.1/go.mod h1:dJUwb7PTidGDeYyUBmXZ2GphQBbjJCrnectwCyxcUSI=
+golang.org/x/sys v0.0.0-20200331124033-c3d80250170d h1:nc5K6ox/4lTFbMVSL9WRR81ixkcwXThoiF6yf+R9scA=
+golang.org/x/sys v0.0.0-20200331124033-c3d80250170d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=