Can create a new choice for a survey

assets/js/common/shorcuts.js

@@ -305,6 +305,25 @@ async function showConfirmDialog(msg) {
     })
 }
 
+
+/**
+ * Ask the user to enter a string
+ * 
+ * @param {String} title The dialog of the dialog to show
+ * @param {String} message Helper message to show to the user
+ * @param {String} defaultValue The default value of the message
+ */
+async function showInputTextDialog(title, message, defaultValue = "") {
+    return new Promise((res, rej) => 
+        ComunicWeb.common.messages.inputString(
+            title,
+            message,
+            defaultValue,
+            (msg) => msg === false ? rej : res(msg)
+        )
+    )
+}
+
 /**
  * Prepare for potential future translation system
  * 

assets/js/components/posts/interface.js

@@ -229,6 +229,19 @@ const PostsInterface = {
 
 	},
 
+	/**
+	 * Create a new choice for this survey
+	 * 
+	 * @param {number} postID The ID of the associated post
+	 * @param {String} choice The value of the choice
+	 */
+	createSurveyChoice: async function(postID, choice) {
+		await api("survey/create_new_choice", {
+			postID: postID,
+			choice: choice
+		}, true);
+	},
+
 	/**
 	 * Prevent new choices from being created
 	 * 

assets/js/components/posts/ui.js

@@ -881,6 +881,38 @@ ComunicWeb.components.posts.ui = {
 				}
 
 
+				// Offer the user to create a new response, if possible
+				if(info.data_survey.user_choice == 0 && info.data_survey.allowNewChoices) {
+
+					const link = createElem2({
+						appendTo: surveyResponse,
+						type: "div",
+						class: "a txt-center",
+						innerHTML: tr("Add a new choice to this survey")
+					});
+
+					link.addEventListener("click", async () => {
+
+						try {
+							const choice = await showInputTextDialog(
+								tr("Create a choice"),
+								tr("Please specify the new choice you would like to create for this survey:"),
+								""
+							);
+
+							await PostsInterface.createSurveyChoice(info.ID, choice);
+
+							//Reload post
+							ComunicWeb.components.posts.actions.reload_post(info.ID, postRoot);
+
+						} catch(e) {
+							console.error(e);
+							notify(tr("Could not create a new choice for this survey!"), "danger");
+						}
+					});
+				}
+
+
 				// If the user is the owner of the survey, offer him to close it
 				if(info.data_survey.userID == userID() && info.data_survey.allowNewChoices) {
 
@@ -903,6 +935,7 @@ ComunicWeb.components.posts.ui = {
 							ComunicWeb.components.posts.actions.reload_post(info.ID, postRoot);
 
 						} catch(e) {
+							console.error(e);
 							notify(tr("Could not block new choices from being created!"), "danger");
 						}
 					});