Overhaul system for handling text messaging

Move away from "SMS" as the operative word - we're going RCS.
Move all comms processing to a separate goroutine
Rename the DB tables

comms/text.go

@@ -0,0 +1,62 @@
+package comms
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"github.com/Gleipnir-Technology/nidus-sync/config"
+	"github.com/nyaruka/phonenumbers"
+	"github.com/rs/zerolog/log"
+	"github.com/twilio/twilio-go"
+	twilioApi "github.com/twilio/twilio-go/rest/api/v2010"
+)
+
+type E164 = phonenumbers.PhoneNumber
+
+func ParsePhoneNumber(input string) (*E164, error) {
+	return phonenumbers.Parse(input, "US")
+}
+
+func SendText(source E164, destination E164, message string) error {
+	log.Info().Msg("Sending text message...")
+	// Make sure TWILIO_ACCOUNT_SID and TWILIO_AUTH_TOKEN exists in your environment
+	client := twilio.NewRestClient()
+
+	params := &twilioApi.CreateMessageParams{}
+	params.SetMessagingServiceSid(config.TwilioMessagingServiceSID)
+
+	params.SetBody(message)
+	dest := phonenumbers.Format(&destination, phonenumbers.E164)
+	params.SetTo(dest)
+	resp, err := client.Api.CreateMessage(params)
+
+	if err != nil {
+		return fmt.Errorf("Failed to create message to %s: %w", dest, err)
+	} else {
+		if resp.Body != nil {
+			log.Info().Str("dest", dest).Str("body", *resp.Body).Msg("Text message response")
+		} else {
+			log.Info().Str("dest", dest).Msg("Text message response is nil")
+		}
+	}
+	return nil
+}
+
+func sendSMS(destination, source, message string) error {
+	client := twilio.NewRestClientWithParams(twilio.ClientParams{
+		Username: config.TwilioAccountSID,
+		Password: config.TwilioAuthToken,
+	})
+	params := &twilioApi.CreateMessageParams{}
+	params.SetTo("+15558675309")
+	params.SetFrom("+15017250604")
+	params.SetBody("Hello from Go!")
+
+	resp, err := client.Api.CreateMessage(params)
+	if err != nil {
+		return fmt.Errorf("Error sending SMS message: %w", err)
+	}
+	response, _ := json.Marshal(*resp)
+	log.Debug().Str("response", string(response)).Msg("Send SMS")
+	return nil
+}