go-lang (#1)

Reviewed-on: phoenix/twilio_sender#1
Co-authored-by: kdeng00 <kundeng94@gmail.com>
Co-committed-by: kdeng00 <kundeng94@gmail.com>

README.md

@@ -0,0 +1,12 @@
+# twilio_sender
+twilio_sender is a cli program to send text messages.
+
+## Install twilio
+```
+go build
+```
+
+## Using
+```
+./twilio_sender config_path.json numbers_path.json message_path.json
+```

README.txt

@@ -1 +0,0 @@
-# Install twilio

config/config.go

@@ -0,0 +1,31 @@
+package config
+
+import "encoding/json"
+import "fmt"
+import "os"
+
+import (
+	"git.kundeng.us/phoenix/twilio_sender/models"
+)
+
+func ParseConfig(filepath string) (config models.TwiloDetails, success bool) {
+	content, err := os.ReadFile(filepath)
+
+	fmt.Println("Reading config file...")
+	fmt.Printf("%s\n", filepath)
+
+	if err != nil {
+		fmt.Println("An error reading the file")
+
+		return
+	}
+
+	err = json.Unmarshal(content, &config)
+
+	if err != nil {
+		fmt.Println("An error occurred")
+		return config, false
+	}
+
+	return config, true
+}

go.mod

@@ -0,0 +1,9 @@
+module git.kundeng.us/phoenix/twilio_sender
+
+go 1.21.6
+
+require (
+	github.com/golang/mock v1.6.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/twilio/twilio-go v1.16.1 // indirect
+)

go.sum

@@ -0,0 +1,45 @@
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+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
+github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
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+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -0,0 +1,57 @@
+package main
+
+import "fmt"
+import "os"
+
+import (
+	"git.kundeng.us/phoenix/twilio_sender/config"
+	"git.kundeng.us/phoenix/twilio_sender/models"
+	"git.kundeng.us/phoenix/twilio_sender/sender"
+	"git.kundeng.us/phoenix/twilio_sender/util"
+)
+
+func main() {
+	fmt.Println("twilio_sender")
+	myArgs := os.Args
+	argCount := len(myArgs)
+
+	fmt.Printf("Argument count: %v\n", argCount)
+
+	if argCount < 4 {
+		fmt.Println("Provide argument to config file and number file")
+		os.Exit(-1)
+	}
+
+	configPath, numberPath, messagePath := util.GetPaths(myArgs)
+
+	fmt.Printf("Config file path: %s\n", configPath)
+
+	cfg, _ := config.ParseConfig(configPath)
+
+	cfg.PrintConfig()
+
+	fmt.Println("Numbers file path:", numberPath)
+
+	numbers := util.ParseNumbers(numberPath)
+
+	if len(numbers) == 0 {
+		fmt.Println("No numbers to send")
+		os.Exit(-1)
+	}
+
+	models.PrintNumbers(numbers)
+	fmt.Println("")
+
+	fmt.Println("Message path:", messagePath)
+
+	message := util.ParseMessage(messagePath)
+
+	if message.IsEmpty() {
+		fmt.Println("No message to send")
+		os.Exit(-1)
+	}
+
+	message.Print()
+
+	sender.SendMessages(cfg, numbers, message, 5)
+}

models/twilio_details.go

@@ -0,0 +1,65 @@
+package models
+
+import (
+	"fmt"
+)
+
+type Number struct {
+	PhoneNumber string `json:"number"`
+}
+
+func (nbr Number) IsEmpty() bool {
+	if nbr.PhoneNumber == "" {
+		return true
+	} else {
+		return false
+	}
+}
+
+func PrintNumbers(numbers [](Number)) {
+	for _, element := range numbers {
+		fmt.Println("Phone number:", element.PhoneNumber)
+	}
+}
+
+type Message struct {
+	Text string `json:"text"`
+}
+
+func (msg Message) IsEmpty() bool {
+	if msg.Text == "" {
+		return true
+	} else {
+		return false
+	}
+}
+
+func (msg Message) Print() {
+	fmt.Println("Message:", msg.Text)
+}
+
+type TwiloDetails struct {
+	AccountSID string `json:"account_sid"`
+	ServiceSID string `json:"service_sid"`
+	URI        string `json:"uri"`
+	AuthToken  string `json:"auth_token"`
+	Number     string `json:"number"`
+}
+
+func (config TwiloDetails) PrintConfig() {
+	fmt.Printf("Account SID: %s\n", config.AccountSID)
+	fmt.Printf("Service SID: %s\n", config.ServiceSID)
+	fmt.Println("URI:", config.URI)
+	fmt.Printf("Auth Token: %s\n", config.AuthToken)
+	fmt.Printf("Number: %s\n", config.Number)
+}
+
+func Init() TwiloDetails {
+	return TwiloDetails{
+		"",
+		"",
+		"",
+		"",
+		"",
+	}
+}

old/send_messages.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/bash
+
+
+root_dir="/home/phoenix/programming/python/experiments/twilo_demo"
+
+echo "Root directory: $root_dir"
+
+if [[ ! -d "$root_dir" ]]; then
+    echo "Root directory does not exist. Exiting"
+    exit
+fi
+
+config_path="twilio_details.json"
+numbers_part="60"
+numbers_path="numbers/numbers-$numbers_part.json"
+# numbers_path="numbers/test_number.json"
+type_message="json"
+messages_path="messages/message-$numbers_part.json"
+send_message="True"
+
+echo "Changing directory to $root_dir"
+cd $root_dir
+
+# source env/bin/activate
+# echo "Activated virtual environment"
+
+# Old
+# python main.py "$numbers_path" "$type_message" "$messages_path" "$send_message"
+./twilio_sender "$config_path" "$numbers_path" "$messages_path"
+
+echo "Done"

send_messages.sh

@@ -1,21 +0,0 @@
-#!/usr/bin/bash
-
-
-root_dir="/home/phoenix/programming/python/experiments/twilo_demo"
-
-numbers_part="60"
-numbers_path="numbers/numbers-$numbers_part.json"
-# numbers_path="numbers/test_number.json"
-type_message="json"
-messages_path="messages/message-$numbers_part.json"
-send_message="True"
-
-echo "Changing directory to $root_dir"
-cd $root_dir
-
-source env/bin/activate
-echo "Activated virtual environment"
-
-python main.py "$numbers_path" "$type_message" "$messages_path" "$send_message"
-
-echo "Done"

sender/send_message.go

@@ -0,0 +1,61 @@
+package sender
+
+import (
+	"encoding/json"
+	"fmt"
+	"time"
+
+	"git.kundeng.us/phoenix/twilio_sender/models"
+	"github.com/twilio/twilio-go"
+	twilioApi "github.com/twilio/twilio-go/rest/api/v2010"
+)
+
+func SendMessages(config models.TwiloDetails, numbers [](models.Number), message models.Message, secondInterval int) {
+	fmt.Println("Sending message")
+
+	longSleepLimit := 5
+	count := 0
+
+	client := initClient(config)
+
+	for _, number := range numbers {
+		numberToSend := number
+
+		if numberToSend.IsEmpty() {
+			fmt.Println("Empty number")
+			continue
+		}
+
+		fmt.Println(numberToSend)
+
+		params := &twilioApi.CreateMessageParams{}
+		params.SetTo(numberToSend.PhoneNumber)
+		params.SetFrom(config.Number)
+		params.SetBody(message.Text)
+
+		fmt.Println("Sending to: " + numberToSend.PhoneNumber)
+
+		resp, err := client.Api.CreateMessage(params)
+		if err != nil {
+			fmt.Println("Error sending SMS message: " + err.Error())
+		} else {
+			response, _ := json.Marshal(*resp)
+			fmt.Println("Response: " + string(response))
+		}
+
+		if count%longSleepLimit == 0 {
+			// sleep for X seconds
+			tme := 5 * time.Second
+			time.Sleep(tme)
+		} else {
+			time.Sleep(time.Second)
+		}
+	}
+}
+
+func initClient(config models.TwiloDetails) *twilio.RestClient {
+	return twilio.NewRestClientWithParams(twilio.ClientParams{
+		Username: config.AccountSID,
+		Password: config.AuthToken,
+	})
+}

twilio_details.json

@@ -1,8 +1,6 @@
-[
+{
-    {
+    "account_sid": "account_sid",
-        "account_sid": "account_sid",
+    "service_sid": "service_sid",
-        "service_sid": "service_sid",
+    "auth_token": "auth_token",
-        "auth_token": "auth_token",
+    "number": "0123456789"
-        "number": "0123456789"
+}
-    }
-]

util/util.go

@@ -0,0 +1,66 @@
+package util
+
+import "encoding/json"
+import "fmt"
+import "os"
+import "strings"
+
+import (
+	"git.kundeng.us/phoenix/twilio_sender/models"
+)
+
+func GetPaths(args []string) (configPath string, numberPath string, messagePath string) {
+	configPath = args[1]
+	numberPath = args[2]
+	messagePath = args[3]
+
+	return
+}
+
+func ParseNumbers(filepath string) (numbers [](models.Number)) {
+	nmbrs := [](string){}
+
+	content, err := os.ReadFile(filepath)
+
+	if err != nil {
+		fmt.Println("An error occurred")
+		return numbers
+	}
+
+	err = json.Unmarshal(content, &nmbrs)
+
+	if err != nil {
+		fmt.Println("An error occurred")
+		return numbers
+	}
+
+	for _, nbr := range nmbrs {
+		var number models.Number
+		number.PhoneNumber = nbr
+		numbers = append(numbers, number)
+	}
+
+	return numbers
+}
+
+func ParseMessage(filepath string) (message models.Message) {
+	msg := [](string){""}
+
+	content, err := os.ReadFile(filepath)
+
+	if err != nil {
+		fmt.Println("An error occurred")
+		return
+	}
+
+	err = json.Unmarshal(content, &msg)
+
+	if err != nil {
+		fmt.Println("An error occurred")
+		return
+	}
+
+	message.Text = strings.Join(msg, "")
+
+	return
+}