feat(surveys): implement account setup survey functionality

- Added new database migration to create survey-related tables for storing questions and responses.
- Developed SurveyController to handle fetching and submitting survey data.
- Created survey API routes for account setup, including endpoints for retrieving the survey and submitting responses.
- Implemented frontend components for displaying the survey and capturing user responses, integrating with Redux for state management.
- Enhanced localization files to include survey-related text for multiple languages.
- Added validation middleware for survey submissions to ensure data integrity.

worklenz-backend/src/middlewares/validators/survey-submission-validator.ts

@@ -0,0 +1,56 @@
+import { NextFunction } from "express";
+import { IWorkLenzRequest } from "../../interfaces/worklenz-request";
+import { IWorkLenzResponse } from "../../interfaces/worklenz-response";
+import { ServerResponse } from "../../models/server-response";
+import { ISurveySubmissionRequest } from "../../interfaces/survey";
+
+export default function surveySubmissionValidator(req: IWorkLenzRequest, res: IWorkLenzResponse, next: NextFunction): IWorkLenzResponse | void {
+  const body = req.body as ISurveySubmissionRequest;
+
+  if (!body) {
+    return res.status(200).send(new ServerResponse(false, null, "Request body is required"));
+  }
+
+  if (!body.survey_id || typeof body.survey_id !== 'string') {
+    return res.status(200).send(new ServerResponse(false, null, "Survey ID is required and must be a string"));
+  }
+
+  if (!body.answers || !Array.isArray(body.answers)) {
+    return res.status(200).send(new ServerResponse(false, null, "Answers are required and must be an array"));
+  }
+
+  // Validate each answer
+  for (let i = 0; i < body.answers.length; i++) {
+    const answer = body.answers[i];
+    
+    if (!answer.question_id || typeof answer.question_id !== 'string') {
+      return res.status(200).send(new ServerResponse(false, null, `Answer ${i + 1}: Question ID is required and must be a string`));
+    }
+
+    // At least one of answer_text or answer_json should be provided
+    if (!answer.answer_text && !answer.answer_json) {
+      return res.status(200).send(new ServerResponse(false, null, `Answer ${i + 1}: Either answer_text or answer_json is required`));
+    }
+
+    // Validate answer_text if provided
+    if (answer.answer_text && typeof answer.answer_text !== 'string') {
+      return res.status(200).send(new ServerResponse(false, null, `Answer ${i + 1}: answer_text must be a string`));
+    }
+
+    // Validate answer_json if provided
+    if (answer.answer_json && !Array.isArray(answer.answer_json)) {
+      return res.status(200).send(new ServerResponse(false, null, `Answer ${i + 1}: answer_json must be an array`));
+    }
+
+    // Validate answer_json items are strings
+    if (answer.answer_json) {
+      for (let j = 0; j < answer.answer_json.length; j++) {
+        if (typeof answer.answer_json[j] !== 'string') {
+          return res.status(200).send(new ServerResponse(false, null, `Answer ${i + 1}: answer_json items must be strings`));
+        }
+      }
+    }
+  }
+
+  return next();
+}