return timestamp of sent message

see #137

src/api/api.go

@@ -118,6 +118,10 @@ type TrustIdentityRequest struct {
 	VerifiedSafetyNumber string `json:"verified_safety_number"`
 }
 
+type SendMessageResponse struct {
+	Timestamp string `json:"timestamp"`
+}
+
 func convertInternalGroupIdToGroupId(internalId string) string {
 	return groupPrefix + base64.StdEncoding.EncodeToString([]byte(internalId))
 }
@@ -235,7 +239,7 @@ func send(c *gin.Context, attachmentTmpDir string, signalCliConfig string, numbe
 		cmd = append(cmd, attachmentTmpPaths...)
 	}
 
-	_, err := runSignalCli(true, cmd, message)
+	resp, err := runSignalCli(true, cmd, message)
 	if err != nil {
 		cleanupTmpFiles(attachmentTmpPaths)
 		if strings.Contains(err.Error(), signalCliV2GroupError) {
@@ -246,8 +250,10 @@ func send(c *gin.Context, attachmentTmpDir string, signalCliConfig string, numbe
 		return
 	}
 
+	sendMessageResponse := SendMessageResponse{Timestamp: strings.TrimSuffix(resp, "\n")}
+
 	cleanupTmpFiles(attachmentTmpPaths)
-	c.Writer.WriteHeader(201)
+	c.JSON(201, sendMessageResponse)
 }
 
 func parseWhitespaceDelimitedKeyValueStringList(in string, keys []string) []map[string]string {
@@ -543,7 +549,7 @@ func (a *Api) Send(c *gin.Context) {
 // @Description Send a signal message
 // @Accept  json
 // @Produce  json
-// @Success 201 {string} string "OK"
+// @Success 201 {object} SendMessageResponse
 // @Failure 400 {object} Error
 // @Param data body SendMessageV2 true "Input Data"
 // @Router /v2/send [post]

src/docs/docs.go

@@ -902,9 +902,9 @@ var doc = `{
                 ],
                 "responses": {
                     "201": {
-                        "description": "OK",
+                        "description": "Created",
                         "schema": {
-                            "type": "string"
+                            "$ref": "#/definitions/api.SendMessageResponse"
                         }
                     },
                     "400": {
@@ -1048,6 +1048,14 @@ var doc = `{
                 }
             }
         },
+        "api.SendMessageResponse": {
+            "type": "object",
+            "properties": {
+                "timestamp": {
+                    "type": "string"
+                }
+            }
+        },
         "api.SendMessageV1": {
             "type": "object",
             "properties": {

src/docs/swagger.json

@@ -887,9 +887,9 @@
                 ],
                 "responses": {
                     "201": {
-                        "description": "OK",
+                        "description": "Created",
                         "schema": {
-                            "type": "string"
+                            "$ref": "#/definitions/api.SendMessageResponse"
                         }
                     },
                     "400": {
@@ -1033,6 +1033,14 @@
                 }
             }
         },
+        "api.SendMessageResponse": {
+            "type": "object",
+            "properties": {
+                "timestamp": {
+                    "type": "string"
+                }
+            }
+        },
         "api.SendMessageV1": {
             "type": "object",
             "properties": {

src/docs/swagger.yaml

@@ -84,6 +84,11 @@ definitions:
       use_voice:
         type: boolean
     type: object
+  api.SendMessageResponse:
+    properties:
+      timestamp:
+        type: string
+    type: object
   api.SendMessageV1:
     properties:
       base64_attachment:
@@ -718,9 +723,9 @@ paths:
       - application/json
       responses:
         "201":
-          description: OK
+          description: Created
           schema:
-            type: string
+            $ref: '#/definitions/api.SendMessageResponse'
         "400":
           description: Bad Request
           schema: