Add support for simple MMS

Tested and works, though it is a bit ugly.

comms/sms.go

@@ -14,10 +14,38 @@ import (
 
 var VOIP_MS_API = "https://voip.ms/api/v1/rest.php"
 
-type SendSMSResponse struct {
+type VoipMSResponse struct {
 	Status string `json:"status"`
-	SMS int `json:"sms"`
+	SMS    int    `json:"sms"`
 }
+
+func SendMMS(to string, content string, media ...string) error {
+	if len(content) > 2048 {
+		return errors.New("Message content is more than 160 characters")
+	}
+	params := url.Values{}
+	params.Add("api_password", config.VoipMSPassword)
+	params.Add("api_username", config.VoipMSUsername)
+	params.Add("method", "sendMMS")
+	params.Add("did", config.VoipMSNumber)
+	params.Add("dst", to)
+	params.Add("message", content)
+	for i, med := range media {
+		// These should be one of:
+		//  1. A full URL that the service cat GET
+		//  2. A base64-encoded image starting with "data:image/png;base64,iVBORw0KGgoAAAANSUh..."
+		params.Add(fmt.Sprintf("media%d", i+1), med)
+	}
+	params.Add(fmt.Sprintf("media%d", len(media)+1), "")
+
+	response, err := makeVoipMSRequest(params)
+	if err != nil {
+		return fmt.Errorf("Failed to send MMS: %w", err)
+	}
+	log.Info().Str("status", response.Status).Int("sms", response.SMS).Msg("Sent MMS message")
+	return nil
+}
+
 func SendSMS(to string, content string) error {
 	if len(content) > 160 {
 		return errors.New("Message content is more than 160 characters")
@@ -29,6 +57,17 @@ func SendSMS(to string, content string) error {
 	params.Add("did", config.VoipMSNumber)
 	params.Add("dst", to)
 	params.Add("message", content)
+
+	response, err := makeVoipMSRequest(params)
+	if err != nil {
+		return fmt.Errorf("Failed to send SMS: %w", err)
+	}
+	log.Info().Str("status", response.Status).Int("sms", response.SMS).Msg("Sent MMS message")
+	return nil
+}
+
+func makeVoipMSRequest(params url.Values) (VoipMSResponse, error) {
+	result := VoipMSResponse{}
 	// Construct the URL with query parameters
 	full_url := VOIP_MS_API + "?" + params.Encode()
 
@@ -36,7 +75,7 @@ func SendSMS(to string, content string) error {
 	resp, err := http.Get(full_url)
 	if err != nil {
 		log.Warn().Err(err).Str("url", full_url).Msg("Failed to make request to Voip.MS")
-		return fmt.Errorf("Error making request: %w", err)
+		return result, fmt.Errorf("Error making request: %w", err)
 	}
 	defer resp.Body.Close()
 
@@ -44,15 +83,15 @@ func SendSMS(to string, content string) error {
 	body, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
 		log.Warn().Err(err).Str("url", full_url).Msg("Failed to read Voip.MS response body")
-		return fmt.Errorf("Failed to read response: %w", err)
+		return result, fmt.Errorf("Failed to read response: %w", err)
 	}
 	log.Info().Str("response", string(body)).Msg("Response from Voip.MS")
 
 	// Parse the JSON response
-	var response SendSMSResponse
+	var response VoipMSResponse
 	err = json.Unmarshal(body, &response)
 	if err != nil {
-		return fmt.Errorf("Failed to unmarshal JSON response: %w", err)
+		return result, fmt.Errorf("Failed to unmarshal JSON response: %w", err)
 	}
-	return nil
+	return response, nil
 }

public-report/quick.go

@@ -190,7 +190,8 @@ func postRegisterNotifications(w http.ResponseWriter, r *http.Request) {
 		})
 	}
 	if phone != "" {
-		err := comms.SendSMS(phone, "testing 1 2 3")
+		//err := comms.SendSMS(phone, "testing 1 2 3")
+		err := comms.SendMMS(phone, "Check out my Nidus logo", "https://dev-sync.nidus.cloud/static/img/nidus-logo-no-lettering-64.png")
 		if err != nil {
 			log.Error().Err(err).Msg("Failed to send SMS")
 		}