Implement Admin Job Management Functionality

[AhmedFatthy1040]

Issue Title: Implement Admin Job Management Functionality

Issue Description:

As an admin, I want to manage job postings on the platform so that I can ensure compliance with the community guidelines and maintain the quality of job listings. This functionality should allow admins to view, update, and delete job postings as necessary.

Tasks:

1. View All Jobs:

   • Create an endpoint to allow admins to view all job postings in the system, including relevant details such as job title, client ID, status, and creation date.

2. Update Job Details:

   • Create an endpoint to allow admins to update the details of a specific job posting, including:
     • Job title
     • Description
     • Budget
     • Job type
     • Status

3. Delete Job Posting:

   • Create an endpoint to allow admins to delete a specific job posting by its ID.

4. Get Job Details:

   • Create an endpoint for admins to retrieve detailed information about a specific job posting.

Acceptance Criteria:

• View All Jobs:

  • Admins should be able to make a GET request to /admin/jobs to retrieve all job postings.
  • Return 200 OK with a list of jobs or 204 No Content if no jobs are available.

• Update Job Details:

  • Admins should be able to make a PUT request to /admin/jobs/{jobId} to update job details.
  • Return 200 OK if the update is successful or 404 Not Found if the job does not exist.

• Delete Job Posting:

  • Admins should be able to make a DELETE request to /admin/jobs/{jobId} to remove a job posting.
  • Return 204 No Content if the deletion is successful or 404 Not Found if the job does not exist.

• Get Job Details:

  • Admins should be able to make a GET request to /admin/jobs/{jobId} to retrieve job details.
  • Return 200 OK with job details or 404 Not Found if the job does not exist.

Endpoint Specifications:

• View All Jobs:

  • Method: GET
  • URL: /admin/jobs

• Update Job Details:

  • Method: PUT
  • URL: /admin/jobs/{jobId}
  • Request Body Example:

    {
      "title": "Updated Job Title",
      "description": "Updated job description.",
      "budget": 150.00,
      "job_type": "Hourly",
      "status": "Open"
    }

• Delete Job Posting:

  • Method: DELETE
  • URL: /admin/jobs/{jobId}

• Get Job Details:

  • Method: GET
  • URL: /admin/jobs/{jobId}