From 532a4a99221b35f94170d9352c0de478afc767a1 Mon Sep 17 00:00:00 2001
From: Samuel Pua <kahkin@gmail.com>
Date: Sat, 10 Sep 2022 02:05:15 +0800
Subject: [PATCH] Feat(messenger): Initial commit

---
 .gitignore            | 74 +++++++++++++++++++++++++++++++++++++++++++
 README.md             | 23 ++++++++++++++
 cmd/messenger/main.go | 66 ++++++++++++++++++++++++++++++++++++++
 go.mod                |  5 +++
 go.sum                |  2 ++
 5 files changed, 170 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 README.md
 create mode 100644 cmd/messenger/main.go
 create mode 100644 go.mod
 create mode 100644 go.sum

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ed28d25
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,74 @@
+# Output
+/messenger
+
+# dotenv
+.env
+
+# VSCode
+.vscode
+
+
+# ---> Go
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# ---> Vim
+# Swap
+[._]*.s[a-v][a-z]
+!*.svg  # comment out if you don't need vector files
+[._]*.sw[a-p]
+[._]s[a-rt-v][a-z]
+[._]ss[a-gi-z]
+[._]sw[a-p]
+
+# Session
+Session.vim
+Sessionx.vim
+
+# Temporary
+.netrwhist
+*~
+# Auto-generated tag files
+tags
+# Persistent undo
+[._]*.un~
+
+# ---> VisualStudioCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
+
+# Local History for Visual Studio Code
+.history/
+
+# ---> Linux
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..4842760
--- /dev/null
+++ b/README.md
@@ -0,0 +1,23 @@
+# Messenger
+
+## About
+The project's goal is build a generic messenger that notifies through multiple channels
+
+## Usage
+```
+usage: print [-h|--help] [--webhook] [--url "<value>"]
+
+             Prints provided string to stdout
+
+Arguments:
+
+  -h  --help     Print help information
+      --webhook  Use this flag to enable webhook sending
+      --url      URL to be used for webhook
+```
+
+## Build
+Use the following command to build the application:
+```
+go build git.samuelpua.com/telboon/messenger/cmd/messenger
+```
diff --git a/cmd/messenger/main.go b/cmd/messenger/main.go
new file mode 100644
index 0000000..4091be8
--- /dev/null
+++ b/cmd/messenger/main.go
@@ -0,0 +1,66 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"strings"
+
+	"github.com/akamensky/argparse"
+)
+
+func main() {
+	// Create new parser object
+	parser := argparse.NewParser("print", "Prints provided string to stdout")
+
+	// Create webhook flag
+	webhookFlag := parser.Flag("", "webhook", &argparse.Options{Help: "Use this flag to enable webhook sending"})
+	webhookURL := parser.String("", "url", &argparse.Options{Help: "URL to be used for webhook"})
+
+	// Parse input
+	err := parser.Parse(os.Args)
+	if err != nil {
+		fmt.Print(parser.Usage(err))
+		return
+	}
+
+	// Check inputs are set
+	if *webhookFlag {
+		if webhookURL == nil || *webhookURL == "" {
+			fmt.Println("Webhook URL needs to be set if webhook is enabled.")
+			return
+		}
+	}
+
+	// Checks if at least one flag is enabled
+	if *webhookFlag || false {
+		handleStdIn(webhookFlag, webhookURL)
+	} else {
+		fmt.Print(parser.Usage(err))
+	}
+}
+
+func handleStdIn(webhookFlag *bool, webhookURL *string) {
+	for {
+		var currStr string
+		_, err := fmt.Scanf("%s", &currStr)
+		if err != nil {
+			return
+		}
+
+		// Handle string
+		if *webhookFlag {
+			err = sendWebhook(&currStr, webhookURL)
+			if err != nil {
+				log.Println(err)
+			}
+		}
+	}
+}
+
+func sendWebhook(currStr *string, webhookURL *string) error {
+	bodyReader := strings.NewReader(*currStr)
+	_, err := http.Post(*webhookURL, "text/plain", bodyReader)
+	return err
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..9106877
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module git.samuelpua.com/telboon/messenger
+
+go 1.17
+
+require github.com/akamensky/argparse v1.4.0
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..5bf91e2
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/akamensky/argparse v1.4.0 h1:YGzvsTqCvbEZhL8zZu2AiA5nq805NZh75JNj4ajn1xc=
+github.com/akamensky/argparse v1.4.0/go.mod h1:S5kwC7IuDcEr5VeXtGPRVZ5o/FdhcMlQz4IZQuw64xA=