From 7dad41cff0df4a6d19329e0c0b76f5a019ab801c Mon Sep 17 00:00:00 2001
From: Owen Quinlan <46948241+BuyMyMojo@users.noreply.github.com>
Date: Wed, 17 Nov 2021 20:23:23 +1100
Subject: [PATCH] Create go version of main.py

---
 .gitignore                 |   3 +-
 User ID Parser/IdParser.go | 169 +++++++++++++++++++++++++++++++++++++
 User ID Parser/build.sh    |  25 ++++++
 User ID Parser/go.mod      |   3 +
 4 files changed, 199 insertions(+), 1 deletion(-)
 create mode 100644 User ID Parser/IdParser.go
 create mode 100755 User ID Parser/build.sh
 create mode 100644 User ID Parser/go.mod

diff --git a/.gitignore b/.gitignore
index 4535f44..870f346 100644
--- a/.gitignore
+++ b/.gitignore
@@ -117,4 +117,5 @@ toxic/
 fuck/
 coffin/
 1800/
-*.csv
\ No newline at end of file
+*.csv
+User ID Parser/.vscode/launch.json
diff --git a/User ID Parser/IdParser.go b/User ID Parser/IdParser.go
new file mode 100644
index 0000000..d4d9570
--- /dev/null
+++ b/User ID Parser/IdParser.go	
@@ -0,0 +1,169 @@
+package main
+
+import (
+	"encoding/csv"
+	"errors"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+)
+
+// Variables used for command line parameters
+var (
+	CsvInput   string
+	CsvOutput  string
+	unique_old []string
+	unique_ids []string
+)
+
+func init() {
+
+	flag.StringVar(&CsvInput, "i", "", "Input csv or folder [required]")
+	flag.StringVar(&CsvOutput, "o", "out.csv", "Output CSV")
+	flag.Parse()
+}
+
+// struct for getting just user ID out of csv file
+type DiscordCSV struct {
+	UserID string
+}
+
+func main() {
+
+	// Check if there is no input and exits if true
+	if CsvInput == "" {
+		println("No input given, use -h for help on how to use this program")
+		os.Exit(0)
+	}
+
+	// Opens input and gets info
+	fileInfo, err := os.Stat(CsvInput)
+	if err != nil {
+		// error handling
+		println(err.Error())
+	}
+
+	// checks if input is directory or file
+	if fileInfo.IsDir() {
+		// file is a directory
+		files, err := ioutil.ReadDir(CsvInput)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		// For each file in folder
+		for _, file := range files {
+			if !file.IsDir() {
+				process(CsvInput + file.Name())
+			}
+
+		}
+
+	} else {
+		// file is not a directory
+		process(CsvInput)
+
+	}
+
+}
+
+func process(CsvPath string) {
+
+	if _, err := os.Stat(CsvOutput); err == nil {
+		// path/to/whatever exists
+
+		// Read CSV file
+		lines, err := ReadCsv(CsvOutput)
+		if err != nil {
+			panic(err)
+		}
+		// Loop through lines & turn into object
+		for _, line := range lines {
+			data := DiscordCSV{
+				UserID: line[0],
+			}
+			unique_old = append(unique_old, data.UserID)
+		}
+
+		WriteCSV(CsvPath)
+
+	} else if errors.Is(err, os.ErrNotExist) {
+		// path/to/whatever does *not* exist
+		OutFile, err := os.Create(CsvOutput)
+		if err != nil {
+			fmt.Println(err)
+			return
+		}
+		OutFile.Close()
+
+		WriteCSV(CsvPath)
+
+	} else {
+		// Schrodinger: file may or may not exist. See err for details.
+
+		// Therefore, do *NOT* use !os.IsNotExist(err) to test for file existence
+		println(err)
+	}
+
+}
+
+func WriteCSV(InFile string) {
+	// Create DiscordIDs list
+	var DiscordIDs []string
+
+	// Read CSV file
+	lines, err := ReadCsv(InFile)
+	if err != nil {
+		panic(err)
+	}
+
+	OutFile, err := os.OpenFile(CsvOutput, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
+
+	// Loop through lines & add to DiscordIDs list
+	for _, line := range lines {
+		data := DiscordCSV{
+			UserID: line[0],
+		}
+		if !contains(DiscordIDs, data.UserID) {
+			DiscordIDs = append(DiscordIDs, data.UserID)
+		}
+	}
+
+	// Checks if ID is already in list
+	// if it isnt then it gets writen to list
+	for _, ID := range DiscordIDs {
+		if !contains(unique_old, ID) {
+			OutFile.WriteString(ID + "\n")
+		}
+	}
+}
+
+func ReadCsv(filename string) ([][]string, error) {
+
+	// Open CSV file
+	f, err := os.Open(filename)
+	if err != nil {
+		return [][]string{}, err
+	}
+	defer f.Close()
+
+	// Read File into a Variable
+	lines, err := csv.NewReader(f).ReadAll()
+	if err != nil {
+		return [][]string{}, err
+	}
+
+	return lines, nil
+}
+
+func contains(s []string, str string) bool {
+	for _, v := range s {
+		if v == str {
+			return true
+		}
+	}
+
+	return false
+}
diff --git a/User ID Parser/build.sh b/User ID Parser/build.sh
new file mode 100755
index 0000000..ad2e3a5
--- /dev/null
+++ b/User ID Parser/build.sh	
@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+package="./IdParser.go"
+
+package_split=(${package//\// })
+package_name="IdParser"
+
+platforms=("windows/amd64" "windows/386" "linux/amd64" "linux/386" "linux/arm64" "linux/arm")
+
+for platform in "${platforms[@]}"
+do
+    platform_split=(${platform//\// })
+    GOOS=${platform_split[0]}
+    GOARCH=${platform_split[1]}
+    output_name=$package_name'-'$GOOS'-'$GOARCH
+    if [ $GOOS = "windows" ]; then
+        output_name+='.exe'
+    fi
+
+    env GOOS=$GOOS GOARCH=$GOARCH go build -o ./build/$output_name $package
+    if [ $? -ne 0 ]; then
+        echo 'An error has occurred! Aborting the script execution...'
+        exit 1
+    fi
+done
\ No newline at end of file
diff --git a/User ID Parser/go.mod b/User ID Parser/go.mod
new file mode 100644
index 0000000..c0ecf8b
--- /dev/null
+++ b/User ID Parser/go.mod	
@@ -0,0 +1,3 @@
+module main
+
+go 1.17