public IEnumerable<string> ReadPartNames()
{
var names = new List<string>();
using (var db = new CarPartsDbContext())
{
names = db.Parts
.Select(p => p.Name)
.ToList();
}
return names;
}
private void MigrateManufacturers(MongoDbHandler mongoHandler)
{
var manufacturers = mongoHandler.ReadCollection("Manufacturers").Result;
using (var db = new CarPartsDbContext())
{
foreach (var manufacturer in manufacturers)
{
var sqlManufacturer = new Manufacturer();
sqlManufacturer.Id = manufacturer["_id"].AsInt32;
sqlManufacturer.Name = manufacturer["Name"].AsString;
db.Manufacturers.Add(sqlManufacturer);
}
db.SaveChanges();
}
}
private void MigrateParts(MongoDbHandler mongoHandler)
{
var parts = mongoHandler.ReadCollection("Parts").Result;
using (var db = new CarPartsDbContext())
{
foreach (var part in parts)
{
var sqlPart = new Part();
sqlPart.Id = part["_id"].AsInt32;
sqlPart.Name = part["Name"].AsString;
sqlPart.Price = decimal.Parse(part["Price"].AsString);
sqlPart.ManufacturerId = part["ManufacturerId"].AsInt32;
sqlPart.Manufacturer = db.Manufacturers.Where(m => m.Id == sqlPart.ManufacturerId)
.FirstOrDefault();
foreach (var categoryId in part["Categories"] as BsonArray)
{
int category = categoryId.AsInt32;
sqlPart.Categories.Add((PartCategory)category);
}
var vendorIds = new List<int>();
foreach (var vendorId in part["VendorIds"] as BsonArray)
{
vendorIds.Add(vendorId.AsInt32);
}
sqlPart.Vendors = db.Vendors.Where(v => vendorIds.Contains(v.Id)).ToList();
sqlPart.Manufacturer.Parts.Add(sqlPart);
foreach (var vendor in sqlPart.Vendors)
{
vendor.Parts.Add(sqlPart);
}
db.Parts.Add(sqlPart);
}
db.SaveChanges();
}
}
public IEnumerable<PartReportInputModel> ReadPartReports()
{
var reports = new List<PartReportInputModel>();
using (var db = new CarPartsDbContext())
{
reports = db.Sales.GroupBy(s => s.PartId)
.Select(gr => gr.FirstOrDefault())
.Select(s => new PartReportInputModel
{
PartId = s.PartId,
PartName = s.Part.Name,
Price = s.UnitPrice,
Vendor = s.Vendor.Name,
Quantity = s.Quantity,
TotalPrice = s.Quantity * s.UnitPrice
})
.ToList();
}
return reports;
}
public void LoadCountries(IEnumerable<XmlCountry> collection)
{
var countries = new List<Country>();
using (var db = new CarPartsDbContext())
{
foreach (var xmlCountry in collection)
{
var country = new Country();
country.Id = xmlCountry.Id;
country.Name = xmlCountry.Name;
var vendors = db.Vendors.Where(v => xmlCountry.VendorsIds.Contains(v.Id))
.ToList();
foreach (var vendor in vendors)
{
country.Vendors.Add(vendor);
vendor.Countries.Add(country);
}
var manufacturers = db.Manufacturers.Where(m => xmlCountry.ManufacturersIds.Contains(m.Id))
.ToList();
foreach (var manufacturer in manufacturers)
{
country.Manufacturers.Add(manufacturer);
manufacturer.Countries.Add(country);
}
db.Countries.Add(country);
}
db.SaveChanges();
}
}
private void MigrateVendors(MongoDbHandler mongoHandler)
{
var vendors = mongoHandler.ReadCollection("Vendors").Result;
using (var db = new CarPartsDbContext())
{
foreach (var vendor in vendors)
{
var sqlVendor = new Vendor();
sqlVendor.Id = vendor["_id"].AsInt32;
sqlVendor.Name = vendor["Name"].AsString;
db.Vendors.Add(sqlVendor);
}
db.SaveChanges();
}
}
