Added Services and model also enhance the UI

[yazdanhaider]

Overview

The following tasks were successfully completed, enhancing both the backend service and the UI of the Influence. In addition to resolving a pixel overflow issue, I added a service page, created mock data for review of influencers and businesses, and improved the overall application design.

Completed Tasks

1. Created Mock Data Service

• Folder Structure: Created a new folder service under the project structure.
• File Created: Added a new file named mock_data_service.dart.
• Class Implementation: Implemented MockDataService class with methods to simulate backend interactions.
  • Methods added:
    • fetchOfferDetails() - Simulates fetching offer details for influencers and businesses.
    • submitUserResponse() - Simulates submitting user responses (accept/reject offers).

2. Enhance UI in OfferDetailsScreen

• File Modified: lib/screens/offer_details_screen.dart.
• UI Enhancements:
  • Improved overall layout and design of the offer details screen.
  • Updated styling for key elements:
    • Title
    • Description
    • Amount
  • Enhanced action buttons:
    • Accept and Reject buttons visually improved.
  • Added appropriate spacing and padding for better readability.
  • Error handling and loading states implemented for better user experience.
  • (Optional) Added animations for a more engaging user experience.

3. Integrate Mock Data Service with UI

• Data Integration: Updated OfferDetailsScreen to use MockDataService instead of hardcoded data.
• State Management: Implemented asynchronous data loading with proper state management (loading/error states).
• User Interaction:
  • Replaced hardcoded offer details with mock data service calls.
  • Handled errors and displayed loading indicators during data fetching.

4. Enhancements in Review System

• Review Model Added: Created models for reviewing influencers and businesses.
• Service Page: Added a page to handle service-related data for businesses and influencers.
• UI Enhancements: Improved the look and feel of the overall application, enhancing user interaction, responsiveness, and design consistency.

Acceptance Criteria

• [x] Mock data service implemented and returns realistic data.
• [x] UI for OfferDetailsScreen is visually improved and more user-friendly.
• [x] Mock service integrated, replacing hardcoded data.
• [x] Error states and loading indicators properly handled.