Fix incorrect request

src/helpers/DatabaseHelper.ts

@@ -7,6 +7,11 @@ import { conf } from "./ConfigHelper";
  * @author Pierre HUBERT
  */
 
+export enum JoinType {
+	NORMAL,
+	LEFT
+}
+
 export interface JoinTableInfo {
 	table: string,
 	tableAlias ?: string,
@@ -16,6 +21,7 @@ export interface JoinTableInfo {
 export interface QueryInformation {
 	table: string,
 	tableAlias?: string,
+	joinType ?: JoinType,
 	joins ?: Array<JoinTableInfo>,
 	fields ?: Array<string>,
 	where ?: Object,
@@ -98,6 +104,10 @@ export class DatabaseHelper {
 
 		// Joins condition
 		if(info.joins) {
+
+			if(info.joinType == JoinType.LEFT)
+				request += " LEFT ";
+
 			info.joins.forEach(join => {
 				request += " JOIN " + join.table + (join.tableAlias ? " " + join.tableAlias : "") + " ON " + join.condition
 			});

src/helpers/SurveyHelper.ts

@@ -1,5 +1,5 @@
 import { Survey, SurveyChoice } from "../entities/Survey";
-import { DatabaseHelper } from "./DatabaseHelper";
+import { DatabaseHelper, JoinType } from "./DatabaseHelper";
 import { NewSurvey } from "../entities/NewSurvey";
 import { mysql_date } from "../utils/DateUtils";
 
@@ -79,6 +79,7 @@ export class SurveyHelper {
 		const choices = await DatabaseHelper.Query({
 			table: SURVEY_CHOICES_TABLE,
 			tableAlias: "c",
+			joinType: JoinType.LEFT,
 			joins: [
 				{
 					table: SURVEY_RESPONSE_TABLE,
@@ -90,7 +91,7 @@ export class SurveyHelper {
 				"c.ID_sondage": survey.id
 			},
 			groupBy: "c.ID",
-			fields: ["c.*", "COUNT(*) AS count_choice"]
+			fields: ["c.*", "COUNT(r.ID) AS count_choice"]
 		});
 
 		choices.forEach((row) => survey.choices.push(this.DBToSurveyChoice(row)));