Merge branch 'master' of https://github.com/edazdarevic/confighub

.gitignore

@@ -1,2 +1,3 @@
 web/.meteor/local
 chub/chub
+.DS_Store

chub/client/init.go

@@ -0,0 +1,34 @@
+package client
+
+import (
+	"github.com/edindazdarevic/confighub/chub/globals"
+	"encoding/json"
+	"net/http"
+	"bytes"
+)
+
+func Init(machine *Machine) bool {
+
+	machineByteContent, err := json.Marshal(machine)
+	if err != nil {
+		globals.PanicWithStyle("I am so ashamed. But something happened that just should not happen. :~(",err)
+	}
+
+	resourceUrl := globals.UrlOfTheService + "machine"
+ 	req, err := http.NewRequest("POST", resourceUrl, bytes.NewBuffer(machineByteContent))
+    req.Header.Set("Content-Type", "application/json")
+
+    client := &http.Client{}
+    response, err := client.Do(req)
+    if err != nil {
+        globals.PanicWithStyle("Ah. I cannot get to the server to init your machine. Are you sure you have connection to internet ?",err)
+    }
+
+    defer response.Body.Close()
+
+	if response.StatusCode != http.StatusOK {
+		globals.PanicWithStyle("Something is wrong on our end. Ask us about it on twitter, facebook, email, phone - you can even fax as. Smoke signals will not work. ", err)
+	}
+
+	return true
+}

chub/client/machine.go

@@ -0,0 +1,8 @@
+package client
+
+type Machine struct {
+	Hostname     string
+	Platform     string
+	Architecture string
+	MachineGuid  string
+}

chub/globals/globals.go

@@ -0,0 +1,39 @@
+package globals
+
+import (
+	"fmt"
+	"strconv"
+	"os"
+)
+
+
+const (
+	ConfigurationFolderName      = ".chub"
+	ConfigurationFilePermissions = 600
+	ConfigurationFileName        = "config"
+	UrlOfTheService              = "http://localhost:3000/api/"
+	MimeTypeOfService            = "application/json"
+)
+
+
+func PanicWithStyle(message string, err error) {
+	if err != nil {
+	panic(fmt.Sprintf("%v:\n%v", message, err))
+	}
+} 
+
+func RuneToAscii(r rune) string {
+    if r < 128 {
+        return string(r)
+    } else {
+        return "\\u" + strconv.FormatInt(int64(r), 16)
+    }
+}
+
+func FileExists(path string) (bool) {
+    _, err := os.Stat(path)
+    if err == nil { return true }
+    if os.IsNotExist(err) { return false }
+    PanicWithStyle("This should not be happening. Call 911 !" , err)
+    return false
+}

chub/init.go

@@ -1,11 +1,55 @@
 package main
 
 import (
+	"encoding/json"
+	"github.com/edindazdarevic/confighub/chub/client"
+	"github.com/edindazdarevic/confighub/chub/globals"
+	homedir "github.com/mitchellh/go-homedir"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"runtime"
 	"fmt"
 )
 
 func initCommand(guid string) {
+	configuration := config{MachineGuid: guid}
+	saveGuidToHomedir(configuration)
 
-	fmt.Printf("initializing %v\n", guid)
+	hostname, err := os.Hostname()
+	globals.PanicWithStyle("Something is terribly wrong. I am sorry. I am so so sorry. :~(", err)
+
+	machineToInitialize := client.Machine{hostname, runtime.GOOS, runtime.GOARCH, guid}
+	finishedOk := client.Init(&machineToInitialize)
+
+	if (finishedOk) {
+		fmt.Printf("Successfuly initialized the machine with id %v\n", guid)
+	}
+
+}
+
+type config struct {
+	MachineGuid string
+}
+
+func saveGuidToHomedir(configuration config) {
+
+	directoryName, err := homedir.Dir()
+	globals.PanicWithStyle("I cannot find your home directory. Are you homeless ? ", err)
+
+	expandedDirectoryName, err := homedir.Expand(directoryName)
+	globals.PanicWithStyle("Cannot know your full path to home directory. Is it a secret ? ", err)
+
+	directory := expandedDirectoryName + globals.RuneToAscii(filepath.Separator) + globals.ConfigurationFolderName
+	if !globals.FileExists(directory) {
+		err = os.Mkdir(directory, globals.ConfigurationFilePermissions)
+		globals.PanicWithStyle("I simply cannot make the directory. Am I alowed to ?", err)
+	}
+
+	configByteContent, err := json.Marshal(configuration)
+	globals.PanicWithStyle("Something is terribly wrong. I am sorry. I am so so sorry. :~(", err)
+
+	err = ioutil.WriteFile(directory+globals.RuneToAscii(filepath.Separator)+globals.ConfigurationFileName, configByteContent, globals.ConfigurationFilePermissions)
+	globals.PanicWithStyle("I cannot write to config file in user directory. How can this be ?", err)
 
 }