chore: add code

README.md

@@ -1,7 +1,5 @@
 # Data Utils  Library 
 
-<img style="margin-top: 1em;width: 300px;border: 0" width="300" alt="Fork me on GitHub" src="jesus/servcvgen/logo/servcvgen_b.svg?sanitize=true">
-
 ### Data Utils library for [ServCVgen](/jesus/servcvgen) Services for CVgen to compose and generate Curriculum Vitae from YAML data
 
 

datautils.go

@@ -0,0 +1,268 @@
+package datautils
+
+import (
+	"bufio"
+	"bytes"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+
+	// "io/ioutil"
+	// "path/filepath"
+	// "time"
+
+	//"github.com/go-git/go-git/v5"
+	"gopkg.in/yaml.v3"
+)
+
+var DEBUGLEVEL int
+
+func LoadPath(path string) ([]byte,error) {
+	content, err := ioutil.ReadFile(path)
+  if err != nil {
+		return nil,err
+  }
+	return content, nil
+}
+func DecoderFromFile(path string) (*yaml.Decoder, *os.File, error) {
+	file, err := os.Open(path)
+	if err != nil {
+	 	// log.Fatalf("open file error: %v", err)
+	 	fmt.Printf("open file error: %v\n", err)
+		return nil,nil, err
+	}
+	return yaml.NewDecoder(file), file, nil
+}
+func ExistsPathErr(path string) error {
+  _, err := os.Stat(path)
+  if errors.Is(err, os.ErrNotExist) {
+		return err // errors.New("File not exists")
+	}
+	return nil
+}
+func ExistsPath(path string) bool {
+  _, err := os.Stat(path)
+  return !errors.Is(err, os.ErrNotExist)
+}
+func CheckDirPath(path string) error {
+	if ! ExistsPath(path) {
+		os.Mkdir(path, os.FileMode(0755))
+		if err := ExistsPathErr(path); err != nil {
+	    fmt.Printf("Error creating path %s: %v\n", path,err)
+			return err
+		}	
+	}
+	return nil
+}
+func WriteData(data string, path string) error {
+	//fmt.Printf("Write %s\n", path)
+	f, err := os.Create(path)
+	if err != nil {
+	  fmt.Printf("Error create %s: %v\n", path, err)	
+    return err
+	}
+	w := bufio.NewWriter(f)
+  n4, err := w.WriteString(data)
+	if err != nil {
+	  fmt.Printf("Error writing %s: %v\n", path, err)	
+    return err
+	}
+	if DEBUGLEVEL > 0 {
+    fmt.Printf("%s wrote %d bytes\n", path, n4)
+	}
+  w.Flush()
+  return nil
+}
+func WriteAppendData(data string, path string) error {
+	if ! ExistsPath(path) {
+    return WriteData(data,path)
+	}
+	file, err := os.OpenFile(path, os.O_WRONLY|os.O_APPEND, 0644)
+	if err != nil {
+	  fmt.Printf("Error create %s: %v\n", path, err)	
+    return err
+	}
+	defer file.Close()
+  n4, err := file.WriteString(data)
+	if err != nil {
+	  fmt.Printf("Error writing %s: %v\n", path, err)	
+    return err
+	}
+	if DEBUGLEVEL > 0 {
+    fmt.Printf("%s wrote %d bytes\n", path, n4)
+	}
+  return nil
+}
+func ExecCommand(command string, args []string, bckg bool, quiet bool) (*exec.Cmd,string,error) {
+	cmd := exec.Command(command, args...)
+	cmd.Stdin = strings.NewReader("")
+	var out bytes.Buffer
+	cmd.Stdout = &out
+	var err error
+	if bckg {
+		err = cmd.Start()
+	} else {
+	  err = cmd.Run()
+	}
+	if err != nil {
+	  if !quiet {
+	 		fmt.Printf("Error exec command %s: %#v\n", cmd,err)
+		}
+		return cmd,out.String(),err
+	}
+	if !quiet {
+		fmt.Printf("%q\n", out.String())
+	}
+	return cmd,out.String(),nil
+}
+// https://github.com/go-git/go-git/blob/master/_examples/commit/main.go
+func GitPull(path string, name string,bckg bool, quiet bool) (*exec.Cmd, error) {
+	fmt.Printf("Git Pull: %#v\n", path)
+	cmd, _, err := ExecCommand("git",[]string{"-C",path,"pull",name},bckg,quiet)
+	return cmd,err
+}
+func GitCommit(path string, file string, msg string, target string, bckg bool, quiet bool) (*exec.Cmd, string, error) { 
+	fmt.Printf("Git Commit: %#v\n", path)
+	var cmd *exec.Cmd
+	var err error
+	var out string
+	if cmd,out,err = ExecCommand("git",[]string{"-C",path,"add",file},bckg,quiet); err != nil {
+	  fmt.Printf("Error git add %s: %s\n %#v\n", path,out,err)
+    //return err
+	}
+	if _,_,err := ExecCommand("git",[]string{"-C",path,"commit","-m",msg},bckg,quiet); err != nil {
+	  //if len(out) != 0 {
+	  //fmt.Printf("Error commit %s: %s\n %#v\n", path, out,err)
+		//  return err
+		// }
+		return nil,"",nil
+	}
+	// if cmd,out,err := execCommand("git",[]string{"-C",path,"diff","--stat","--cached",bckg,target},quiet); err != nil {
+	//   if len(out) == 0 {
+	// 	  return nil
+	// 	} else {
+	//     fmt.Printf("Error commit %s: %s\n %#v\n", path, out,err)
+	// 	  return err
+	// 	}
+	// } 
+	if cmd,out,err = ExecCommand("git",[]string{"-C",path,"push",target},bckg,quiet); err != nil {
+		return cmd,out,err
+	}
+  return cmd,out,nil
+}
+func GetFileMatch(root string, extension string) []string {
+	var listFiles[]string
+  err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			fmt.Println(err)
+			return nil
+		}
+		if !info.IsDir() && filepath.Ext(path) == extension {
+			listFiles = append(listFiles, path)
+		}
+		return nil
+  }) 
+	if err != nil {
+		fmt.Printf("No files found in %s: %v\n",root, err)
+		return nil
+	}
+	return listFiles
+}
+/*
+func gitGetWorktree(path string) (*git.Repository, *git.Worktree, error) {
+	repo, err := git.PlainOpen(path)
+	if err != nil {
+	  fmt.Printf("Error path %s: %v\n", path, err)	
+    return nil,nil,err
+	}
+	worktree, err := repo.Worktree()
+	if err != nil {
+	  fmt.Printf("Error worktree %s: %v\n", path, err)	
+    return nil,nil,err
+	}
+	return repo,worktree,nil
+}
+func gitPull(path string, name string) error {
+	fmt.Printf("Git Pull: %#v\n", path)
+	repo,worktree,err := gitGetWorktree(path)
+	if err != nil {
+	  fmt.Printf("Error worktree %s: %v\n", path, err)	
+    return err
+	}
+	err = worktree.Pull(&git.PullOptions{RemoteName: name})
+	if err != nil {
+	  fmt.Printf("Error pull %s: %v\n", path, err)	
+    return err
+	}
+	if DEBUGLEVEL > 0 {
+		// Print the latest commit that was just pulled
+		ref, err := repo.Head()
+	  if err != nil {
+	    fmt.Printf("Error repo Head %s: %v\n", path, err)	
+      return err
+  	}
+		commit, err := repo.CommitObject(ref.Hash())
+	  if err != nil {
+	    fmt.Printf("Error commit object %s: %v\n", path, err)	
+      return err
+  	}
+	  fmt.Println(commit)
+	}
+	return nil
+}	
+func gitCommit(path string, file string, msg string, name string, email string, when time.Time ) error {
+	// Opens an already existing repository.
+	repo,worktree,err := gitGetWorktree(path)
+	if err != nil {
+	  fmt.Printf("Error worktree %s: %v\n", path, err)	
+    return err
+	}
+	// Info("echo \"hello world!\" > example-git-file")
+	//filename := filepath.Join(path, file)
+	//err = ioutil.WriteFile(filename, []byte("hello world!"), 0644)
+	// Adds the new file to the staging area.
+	_, err = worktree.Add(file)
+	if err != nil {
+	  fmt.Printf("Error git add %s: %v\n", file, err)	
+    return err
+	}
+	fmt.Printf("git add %s\n",file)
+	if DEBUGLEVEL > 0 {
+		status, err := worktree.Status()
+		if err != nil {
+			fmt.Printf("Error git status %s: %v\n", file, err)	
+			return err
+		}
+		fmt.Println(status)
+	}
+	// Commits the current staging area to the repository, with the new file
+	// just created. We should provide the object.Signature of Author of the
+	// commit Since version 5.0.1, we can omit the Author signature, being read
+	// from the git config files.
+	// Info("git commit -m \"example go-git commit\"")
+	commit, err := worktree.Commit(msg, &git.CommitOptions{
+		Author: &object.Signature{
+			Name:  name,
+			Email: email,
+			When:  when,
+		},
+	})
+	if err != nil {
+	  fmt.Printf("Error git create commit %s: %v\n", file, err)	
+    return err
+	}
+	// Prints the current HEAD to verify that all worked well.
+	// Info("git show -s")
+	obj, err := repo.CommitObject(commit)
+	if err != nil {
+		fmt.Printf("Error git commit %s: %v\n", file, err)	
+		return err
+	}
+	fmt.Println(obj)
+	return nil
+}
+*/

go.mod

@@ -0,0 +1,5 @@
+module datautils
+
+go 1.17
+
+require gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b

go.sum

@@ -0,0 +1,4 @@
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=