blazor-cms/Infrastructure/Database/Demo/EmployeeSeeder.cs

using Indotalent.ConfigBackEnd.Extensions;
using Indotalent.Data.Entities;
using Microsoft.EntityFrameworkCore;

namespace Indotalent.Infrastructure.Database.Demo;

public static class EmployeeSeeder
{
    public static async Task GenerateDataAsync(AppDbContext context)
    {
        if (await context.Employee.AnyAsync()) return;

        var categories = await context.EmployeeCategory.ToListAsync();
        var groups = await context.EmployeeGroup.ToListAsync();

        if (!categories.Any() || !groups.Any()) return;

        var streets = new string[] { "Main St", "Broadway", "Oak Avenue", "Maple Drive", "Park Avenue", "Washington Blvd", "Lakeview Dr", "Sunset Blvd" };
        var cities = new string[] { "New York", "Los Angeles", "Chicago", "Miami", "Seattle" };
        var states = new string[] { "NY", "CA", "IL", "FL", "WA" };
        var zipCodes = new string[] { "10001", "90210", "60601", "33101", "98101" };

        var random = new Random();
        var entityName = nameof(Employee);

        var employeeData = new List<(string Name, string Title, string GroupName, string CategoryName, decimal Commission)>
        {
            ("Dr. Robert Sterling", "Chief Medical Officer", "Medical Doctors & Specialists", "Medical & Clinical Professionals", 0.00m),
            ("Dr. Jennifer Adams", "General Practitioner", "Medical Doctors & Specialists", "Medical & Clinical Professionals", 0.15m),
            ("Dr. David Miller", "Orthopedic Surgeon", "Medical Doctors & Specialists", "Medical & Clinical Professionals", 0.20m),
            ("Sarah Mitchell", "Head Nurse", "Registered Nurses & Care Staff", "Nursing & Clinical Support", 0.00m),
            ("Jessica Taylor", "ER Triage Nurse", "Registered Nurses & Care Staff", "Nursing & Clinical Support", 0.00m),
            ("Michael Vance", "Senior Pharmacist", "Pharmacy & Dispensing Team", "Allied Health & Diagnostics", 0.00m),
            ("Amanda Williams", "Pharmacy Technician", "Pharmacy & Dispensing Team", "Allied Health & Diagnostics", 0.00m),
            ("Christopher Moore", "Lead Phlebotomist", "Laboratory & Diagnostic Technicians", "Allied Health & Diagnostics", 0.00m),
            ("Kevin Anderson", "Clinical Lab Scientist", "Laboratory & Diagnostic Technicians", "Allied Health & Diagnostics", 0.00m),
            ("Samantha White", "MRI Technologist", "Radiology & Imaging Technicians", "Allied Health & Diagnostics", 0.00m),
            ("Dr. Ashley Johnson", "Chief Dentist", "Dental & Allied Health Professionals", "Medical & Clinical Professionals", 0.15m),
            ("Matthew Davis", "Dental Hygienist", "Dental & Allied Health Professionals", "Allied Health & Diagnostics", 0.05m),
            ("Lauren Martinez", "Receptionist Lead", "Patient Reception & Front Desk", "Administrative & Management", 0.00m),
            ("Jonathan Wilson", "Admissions Coordinator", "Patient Reception & Front Desk", "Administrative & Management", 0.00m),
            ("Stephanie Rodriguez", "Billing Specialist", "Medical Billing & Insurance", "Administrative & Management", 0.00m),
            ("Nicholas Thomas", "Insurance Coordinator", "Medical Billing & Insurance", "Administrative & Management", 0.00m),
            ("Jason Hernandez", "Clinic Administrator", "Clinic Administration & Management", "Administrative & Management", 0.00m),
            ("Olivia Jackson", "HR Manager", "Clinic Administration & Management", "Administrative & Management", 0.00m),
            ("Alexander Smith", "Facility Supervisor", "Facility Maintenance & Security", "Operations & Facility Support", 0.00m),
            ("Elizabeth Brown", "Security Lead", "Facility Maintenance & Security", "Operations & Facility Support", 0.00m)
        };

        foreach (var data in employeeData)
        {
            var group = groups.FirstOrDefault(x => x.Name == data.GroupName);
            var category = categories.FirstOrDefault(x => x.Name == data.CategoryName);

            var autoNo = await context.GenerateAutoNumberAsync(
                entityName: entityName,
                prefixTemplate: $"EMP-{{Year}}-"
            );

            var emailPrefix = data.Name.Replace("Dr. ", "").Replace(" ", ".").ToLower();

            var employee = new Employee
            {
                Name = data.Name,
                AutoNumber = autoNo,
                EmployeeNumber = $"ID-{random.Next(1000, 9999)}",
                JobTitle = data.Title,
                CommissionRate = data.Commission,
                EmployeeGroupId = group?.Id,
                EmployeeCategoryId = category?.Id,
                Street = $"{random.Next(100, 999)} {GetRandomString(streets, random)}",
                City = GetRandomString(cities, random),
                State = GetRandomString(states, random),
                ZipCode = GetRandomString(zipCodes, random),
                Country = "United States",
                PhoneNumber = $"+1-{random.Next(200, 999)}-{random.Next(100, 999)}-{random.Next(1000, 9999)}",
                EmailAddress = $"{emailPrefix}@med-clinic.us",
                Description = $"Professional {data.Title} based in the {data.CategoryName} division."
            };

            await context.Employee.AddAsync(employee);
        }

        await context.SaveChangesAsync();
    }

    private static string GetRandomString(string[] array, Random random)
    {
        return array[random.Next(array.Length)];
    }
}