chore: rename src folder

src/cmd/utils/author_file_utils.go

@@ -0,0 +1,118 @@
+package utils
+
+import (
+	"bufio"
+	"bytes"
+	"fmt"
+	"os"
+	"regexp"
+)
+
+// Author file utils is a package that contains functions that are used to read
+// check, and potentially write to the author file. The author file is a file
+// that contains the names and emails of the users that are allowed to commit
+// An example of the author file can be found in the examples folder of the repo
+func Find_authorfile() string {
+	if os.Getenv("author_file") == "" {
+		authors, err := os.UserConfigDir()
+		if err != nil {
+			fmt.Println("Error getting user config directory")
+			os.Exit(2)
+		}
+		return (authors + "/cocommit/authors")
+	} else {
+		return os.Getenv("author_file")
+	}
+}
+
+func CheckAuthorFile() string {
+	authorfile := Find_authorfile()
+	if _, err := os.Stat(authorfile); os.IsNotExist(err) {
+		println("Author file not found at: ", authorfile)
+		println("Would you like to create one? (y/n)")
+		var response string
+		_, err := fmt.Scanln(&response)
+		if err != nil {
+			println("Error reading response")
+		}
+		if response == "y" {
+			if authorfile == "" {
+				fmt.Println("author_file environment variable not set using default location:")
+				config, err := os.UserConfigDir()
+				if err != nil {
+					fmt.Println("Error getting user config directory")
+					os.Exit(1)
+				}
+				authorfile = config + "/cocommit/authors"
+				fmt.Println(authorfile)
+			}
+
+			// create the author file
+			file, err := os.Create(authorfile)
+			if err != nil {
+				fmt.Println("Error creating file: ", err)
+				os.Exit(1)
+			}
+
+			defer file.Close()
+
+			// write the header to the file
+			file.WriteString("Syntax: name_short|Name|Username|email (opt: |ex) (opt: ;;group1|group2|group3...)\n")
+
+			fmt.Println("Author file created. To add authors please launch the TUI with -a  and press 'C'")
+
+		} else {
+			os.Exit(1)
+		}
+	}
+	// This string output is mostly for convenience can mostly be ignored
+	return authorfile
+}
+
+func DeleteOneAuthor(author string) {
+	author_file := Find_authorfile()
+
+	// open author_file
+	file, err := os.OpenFile(author_file, os.O_RDWR, 0644)
+	if err != nil {
+		fmt.Println("Error opening file: ", err)
+		return
+	}
+
+	defer file.Close()
+
+	// create regex to capture author line
+	regexp, err := regexp.Compile(fmt.Sprintf("^(.+\\|%s\\|.+|%s\\|.+\\|.+)$", author, author))
+	if err != nil {
+		fmt.Println("Error compiling regex: ", err)
+		return
+	}
+
+	var b []byte
+	buf := bytes.NewBuffer(b)
+
+	// create a scanner for the file
+	scanner := bufio.NewScanner(file)
+
+	// write the header to the buffer
+	scanner.Scan()
+	buf.WriteString(scanner.Text() + "\n")
+
+	// check if author matches the regex and skip
+	for scanner.Scan() {
+		line := scanner.Text()
+		if regexp.MatchString(line) {
+			continue
+		}
+		buf.WriteString(line + "\n")
+
+	}
+	// remove the last newline character
+	buf.Truncate(buf.Len() - 1)
+
+	file.Truncate(0)
+	file.Seek(0, 0)
+	buf.WriteTo(file)
+
+	RemoveUser(author)
+}