Can create new choices for a survey

src/constants.rs

@@ -77,3 +77,6 @@ pub const PATH_COMMENTS_IMAGES: &str = "imgcommentaire";
 
 /// Maximum requests size (50 Mo)
 pub const MAX_REQUEST_SIZE: usize = 50000000;
+
+/// Maximum number of choices per survey
+pub const MAXIMUM_NUMBER_SURVEY_CHOICES: usize = 20;

src/controllers/routes.rs

@@ -239,6 +239,9 @@ pub fn get_routes() -> Vec<Route> {
 
         Route::post("/surveys/cancel_response", Box::new(surveys_controller::cancel_response)),
 
+        Route::post("/surveys/create_new_choice", Box::new(surveys_controller::create_new_choice)),
+
+
 
         // Movies controller
         Route::post("/movies/get_list", Box::new(movies_controller::get_list)),

src/controllers/surveys_controller.rs

@@ -3,6 +3,7 @@
 //! @author Pierre Hubert
 
 use crate::api_data::survey_api::SurveyAPI;
+use crate::constants::MAXIMUM_NUMBER_SURVEY_CHOICES;
 use crate::controllers::routes::RequestResult;
 use crate::data::error::ResultBoxError;
 use crate::data::http_request_handler::HttpRequestHandler;
@@ -51,4 +52,30 @@ pub fn cancel_response(r: &mut HttpRequestHandler) -> RequestResult {
     survey_helper::cancel_response(r.user_id_ref()?, survey_id)?;
 
     r.success("Response cancelled")
+}
+
+/// Create a new choice for a survey
+pub fn create_new_choice(r: &mut HttpRequestHandler) -> RequestResult {
+    let post = r.post_post_with_access("postID", PostAccessLevel::BASIC_ACCESS)?;
+    let new_choice = r.post_string("choice")?;
+
+    let survey = survey_helper::get_info(post.id)?;
+    if !survey.allow_new_choices {
+        r.forbidden("It is not possible to create new choices for this survey!".to_string())?;
+    }
+
+    // Check for similar choices
+    if survey.choices.iter().find(
+        |c| c.name.to_lowercase().eq(&new_choice.to_lowercase())).is_some() {
+        r.forbidden("This choice already exists!".to_string())?;
+    }
+
+    survey_helper::create_choice(survey.id, &new_choice)?;
+
+    // Auto-block creation of new choices if limit is reached
+    if survey.choices.len() + 1 >= MAXIMUM_NUMBER_SURVEY_CHOICES {
+        survey_helper::block_new_choices_creation(survey.id)?;
+    }
+
+    r.success("Choice created")
 }

src/helpers/survey_helper.rs

@@ -127,6 +127,14 @@ pub fn send_response(user_id: &UserID, survey_id: u64, choice_id: u64) -> Result
         .insert_drop_result()
 }
 
+/// Block new survey choices from being created
+pub fn block_new_choices_creation(survey_id: u64) -> ResultBoxError {
+    database::UpdateInfo::new(SURVEY_INFO_TABLE)
+        .cond_u64("ID", survey_id)
+        .set_legacy_bool("allow_new_choices", false)
+        .exec()
+}
+
 /// Turn a database entry into a row object
 fn db_to_survey(row: &database::RowResult) -> ResultBoxError<Survey> {
     let survey_id = row.get_u64("ID")?;