public static void Init()
{
using (var context = new PhotographyWorkshopsContext())
{
//context.Database.Initialize(true);
context.Workshops.Add(new Workshop()
{
Name = "a",
Location = "a",
PricePerParticipant = 1m,
Trainer = new Photographer()
{
FirstName = "a",
LastName = "aa",
PrimaryCamera = new DSLRCamera()
{
Make = "aaa",
Model = "aaa",
MinISO = 100
},
SecondaryCamera = new DSLRCamera()
{
Make = "aaaaaaa",
Model = "aaaaaaab",
MinISO = 1000
}
}
});
context.SaveChanges();
}
}
public void ImportAccessories()
{
XDocument accessoriesXml = XDocument.Load(@"..\..\..\PhotographyWorkshops.Data\Imports\accessories.xml");
List <Accessory> accessories = new List <Accessory>();
StringBuilder sb = new StringBuilder();
foreach (var acc in accessoriesXml.Root.Elements())
{
var nameEle = acc.Attribute("name");
if (nameEle != null)
{
Accessory newAcc = new Accessory
{
Name = acc.Attribute("name").Value,
OwnerId = GetRandomOwnerId()
};
accessories.Add(newAcc);
sb.AppendLine($"Successfully imported {newAcc.Name}");
}
}
using (var context = new PhotographyWorkshopsContext())
{
context.Accessories.AddRange(accessories);
context.SaveChanges();
}
Console.WriteLine(sb.ToString());
}
public void ImportPhotographers()
{
//firstname & lastname -> required
//phone to be validated
List <PhotographerDTO> photographers = new List <PhotographerDTO>();
string json = File.ReadAllText(@"..\..\..\PhotographyWorkshops.Data\Imports\photographers.json");
photographers = JsonConvert.DeserializeObject <List <PhotographerDTO> >(json);
StringBuilder sb = new StringBuilder();
List <Photographer> photograpersWithLenses = new List <Photographer>();
var context = new PhotographyWorkshopsContext();
foreach (var ph in photographers)
{
if (ph.FirstName == null || ph.LastName == null)
{
sb.AppendLine($"Error. Invalid data provided");
}
else
{
if (ph.Phone != null)
{
if (!Regex.IsMatch(ph.Phone, @"^\+[\d]{1,3}\/[\d]{8,10}$"))
{
sb.AppendLine($"Error. Invalid data provided");
continue;
}
}
var photographer = new Photographer
{
FirstName = ph.FirstName,
LastName = ph.LastName,
Phone = ph.Phone,
PrimaryCamera = GetRandomCamera(context),
SecondaryCamera = GetRandomCamera(context)
};
photographer.Lenses = GetLensesFromIdArray(context, ph.Lenses, photographer.PrimaryCamera.Make, photographer.SecondaryCamera.Make);
photograpersWithLenses.Add(photographer);
sb.AppendLine($"Successfully imported {photographer.FirstName} {photographer.LastName} | Lenses: {photographer.Lenses.Count}");
}
}
context.Photographers.AddRange(photograpersWithLenses);
context.SaveChanges();
Console.WriteLine(sb.ToString());
}
public void ImportLenses()
{
List <Lens> lenses = new List <Lens>();
string json = File.ReadAllText(@"..\..\..\PhotographyWorkshops.Data\Imports\lenses.json");
lenses = JsonConvert.DeserializeObject <List <Lens> >(json);
using (var context = new PhotographyWorkshopsContext())
{
context.Lenses.AddRange(lenses);
context.SaveChanges();
}
StringBuilder sb = new StringBuilder();
if (lenses.Count > 0)
{
var last = lenses.Last();
foreach (var lens in lenses)
{
if (lens != last)
{
sb.AppendLine($"Successfully imported {lens.Make} {lens.FocalLength}mm f{lens.MaxAperture:F1}");
}
else
{
sb.Append($"Successfully imported {lens.Make} {lens.FocalLength}mm f{lens.MaxAperture:F1}");
}
}
}
Console.WriteLine(sb.ToString());
}
public void ExportSameCamerasPhotographers()
{
using (var context = new PhotographyWorkshopsContext())
{
var photographers = context.Photographers
.Where(p => p.PrimaryCamera.Make == p.SecondaryCamera.Make)
.ToList();
var xml = new XElement("photographers");
foreach (var ph in photographers)
{
var phNode = new XElement("photographer");
phNode.Add(new XAttribute("name", $"{ph.FirstName} {ph.LastName}"));
phNode.Add(new XAttribute("primary-camera", $"{ph.PrimaryCamera.Make} {ph.PrimaryCamera.Model}"));
if (ph.Lenses.Count > 0)
{
var lensesNode = new XElement("lenses");
foreach (var lens in ph.Lenses)
{
var lensNode = new XElement("lens");
lensNode.Value = $"{lens.Make} {lens.FocalLength}mm f{lens.MaxAperture}";
lensesNode.Add(lensNode);
}
phNode.Add(lensesNode);
}
xml.Add(phNode);
}
xml.Save(@"..\..\..\PhotographyWorkshops.Data\Exports\same-cameras-photographers.xml");
}
}
public void ExportOrderedPhotographers()
{
using (var context = new PhotographyWorkshopsContext())
{
var photographers = context.Photographers
.Select(p => new
{
p.FirstName,
p.LastName,
p.Phone
})
.OrderBy(o => o.FirstName)
.ThenByDescending(o => o.LastName)
.ToList();
JsonSerializerSettings settings = new JsonSerializerSettings
{
Formatting = Formatting.Indented,
ContractResolver = new CamelCasePropertyNamesContractResolver()
};
var json = JsonConvert.SerializeObject(photographers, settings);
File.WriteAllText(@"..\..\..\PhotographyWorkshops.Data\Exports\photographers-ordered.json", json);
}
}
public void ExportLandscapePhotographers()
{
using (var context = new PhotographyWorkshopsContext())
{
var photographers = context.Photographers
.Where(p => p.PrimaryCamera.Type == Models.CameraType.DSLR && p.Lenses.All(l => l.FocalLength <= 30))
.Select(p => new
{
p.FirstName,
p.LastName,
CameraMake = p.PrimaryCamera.Make,
LensesCount = p.Lenses.Count
})
.OrderBy(o => o.FirstName)
.ToList();
JsonSerializerSettings settings = new JsonSerializerSettings
{
Formatting = Formatting.Indented,
ContractResolver = new CamelCasePropertyNamesContractResolver()
};
var json = JsonConvert.SerializeObject(photographers, settings);
File.WriteAllText(@"..\..\..\PhotographyWorkshops.Data\Exports\landscape-photogaphers.json", json);
}
}
public static void InitDb()
{
using (var context = new PhotographyWorkshopsContext())
{
context.Database.Initialize(true);
}
}
private int GetRandomOwnerId()
{
using (var context = new PhotographyWorkshopsContext())
{
var photographersIds = context.Photographers.Select(p => p.Id).ToList();
return(photographersIds[rnd.Next(0, photographersIds.Count - 1)]);
}
}
public void ExportWorkshopsByLocation()
{
using (var context = new PhotographyWorkshopsContext())
{
var workshopsBylocation = context.Workshops
.GroupBy(g => g.Location, ws => ws, (location, workshops) => new
{
Location = location,
Workshops = workshops.Where(ws => ws.Participants.Count >= 5)
})
.Where(ws => ws.Workshops.Count() > 0)
.Select(wsBylocation => new
{
Location = wsBylocation.Location,
WorkShops = wsBylocation.Workshops
})
.ToList();
var xml = new XElement("locations");
foreach (var location in workshopsBylocation)
{
var locNode = new XElement("location");
locNode.Add(new XAttribute("name", $"{location.Location}"));
foreach (var w in location.WorkShops)
{
var wsNode = new XElement("workshop");
wsNode.Add(new XAttribute("name", $"{w.Name}"));
wsNode.Add(new XAttribute("total-profit", ((w.Participants.Count * w.PricePerParticipant) * 0.80M)));
var participantsNode = new XElement("participants");
participantsNode.Add(new XAttribute("count", w.Participants.Count));
foreach (var p in w.Participants)
{
var participantNode = new XElement("participant");
participantNode.Value = $"{p.FirstName} {p.LastName}";
participantsNode.Add(participantNode);
}
wsNode.Add(participantsNode);
locNode.Add(wsNode);
}
xml.Add(locNode);
}
xml.Save(@"..\..\..\PhotographyWorkshops.Data\Exports\workshops-by-location.xml");
}
}
private ICollection <Lens> GetLensesFromIdArray(PhotographyWorkshopsContext context, int[] lenses, string makePrimary, string makeSecondary)
{
List <Lens> lensesToadd = new List <Lens>();
foreach (var id in lenses)
{
if (context.Lenses.Any(l => l.Id == id))
{
var lens = context.Lenses.FirstOrDefault(l => l.Id == id);
if (lens.CompatibleWith == makePrimary || lens.CompatibleWith == makeSecondary)
{
lensesToadd.Add(lens);
}
}
}
return(lensesToadd);
}
private Camera GetRandomCamera(PhotographyWorkshopsContext context)
{
var dslrcameras = context.DSLRCameras.ToList();
var mirrorlesscameras = context.MirrorlessCameras.ToList();
int randomCameraType = rnd.Next(0, 1);
if (randomCameraType == 0)
{
int rndDslr = rnd.Next(0, dslrcameras.Count - 1);
return(dslrcameras[rndDslr]);
}
else
{
int rndMrrls = rnd.Next(0, mirrorlesscameras.Count - 1);
return(mirrorlesscameras[rndMrrls]);
}
}
public void ImportWorkshops()
{
//workshopName, location, price, trainer -> required
XDocument workshopsXml = XDocument.Load(@"..\..\..\PhotographyWorkshops.Data\Imports\workshops.xml");
StringBuilder sb = new StringBuilder();
List <Workshop> workshops = new List <Workshop>();
using (var context = new PhotographyWorkshopsContext())
{
foreach (var ws in workshopsXml.Root.Elements())
{
string wsName = null;
string location = null;
decimal price = 0;
Photographer trainer = null;
DateTime? startDate = new DateTime();
DateTime? endDate = new DateTime();
var wsNameAtr = ws.Attribute("name");
var wsLocationAtr = ws.Attribute("location");
var wsPriceAtr = ws.Attribute("price");
var wsTrainer = ws.Element("trainer");
var wsStartDateAtr = ws.Attribute("start-date");
var wsEndDateAtr = ws.Attribute("end-date");
var wsParticipantsEle = ws.Element("participants");
if (wsNameAtr != null && wsLocationAtr != null && wsPriceAtr != null && wsTrainer != null)
{
wsName = wsNameAtr.Value;
location = wsLocationAtr.Value;
price = decimal.Parse(wsPriceAtr.Value);
trainer = GetTrainerByFullName(context, wsTrainer.Value);
Workshop newWorkshop = new Workshop
{
Name = wsName,
Location = location,
PricePerParticipant = price,
Trainer = trainer
};
if (wsStartDateAtr != null)
{
startDate = DateTime.Parse(wsStartDateAtr.Value);
newWorkshop.StartDate = startDate;
}
if (wsEndDateAtr != null)
{
endDate = DateTime.Parse(wsEndDateAtr.Value);
newWorkshop.EndDate = endDate;
}
if (wsParticipantsEle != null)
{
foreach (var participant in wsParticipantsEle.Elements())
{
string firstName = participant.Attribute("first-name").Value;
string lastName = participant.Attribute("last-name").Value;
newWorkshop.Participants.Add(GetParticipant(context, firstName, lastName));
}
}
workshops.Add(newWorkshop);
sb.AppendLine($"Successfully imported {newWorkshop.Name}");
}
else
{
sb.AppendLine($"Error. Invalid data provided");
}
}
context.Workshops.AddRange(workshops);
context.SaveChanges();
}
Console.WriteLine(sb.ToString());
}
public void ImportCameras()
{
List <CameraDTO> cameras = new List <CameraDTO>();
string json = File.ReadAllText(@"..\..\..\PhotographyWorkshops.Data\Imports\cameras.json");
cameras = JsonConvert.DeserializeObject <List <CameraDTO> >(json);
//Type, make, model, minIso -> required
List <DSLRCamera> dslrCameras = new List <DSLRCamera>();
List <MirrorlessCamera> mirrorlessCameras = new List <MirrorlessCamera>();
StringBuilder sb = new StringBuilder();
foreach (var cam in cameras)
{
if (cam.Type != "DSLR" && cam.Type != "Mirrorless" || (cam.Make == null || cam.Model == null || cam.MinISO < 100))
{
sb.AppendLine($"Error. Invalid data provided");
}
else
{
if (cam.Type == "DSLR")
{
CameraType type = new CameraType();
Enum.Parse(type.GetType(), cam.Type);
dslrCameras.Add(new DSLRCamera
{
IsFullFrame = cam.IsFullFrame,
Make = cam.Make,
MaxIso = cam.MaxISO,
MaxShutterSpeed = cam.MaxShutterSpeed,
MinIso = cam.MinISO,
Model = cam.Model,
Type = type
});
}
else
{
CameraType type = new CameraType();
Enum.Parse(type.GetType(), cam.Type);
mirrorlessCameras.Add(new MirrorlessCamera
{
IsFullFrame = cam.IsFullFrame,
Make = cam.Make,
MaxIso = cam.MaxISO,
MinIso = cam.MinISO,
MaxFrameRate = cam.MaxFrameRate,
MaxVideoResolution = cam.MaxVideoResolution,
Model = cam.Model,
Type = type
});
}
sb.AppendLine($"Successfully imported {cam.Type} {cam.Make} {cam.Model}");
}
}
using (var context = new PhotographyWorkshopsContext())
{
context.DSLRCameras.AddRange(dslrCameras);
context.MirrorlessCameras.AddRange(mirrorlessCameras);
context.SaveChanges();
}
Console.WriteLine(sb.ToString());
}
private Photographer GetTrainerByFullName(PhotographyWorkshopsContext context, string trainerFullname)
{
return(context.Photographers.FirstOrDefault(p => (p.FirstName + " " + p.LastName) == trainerFullname));
}
private Photographer GetParticipant(PhotographyWorkshopsContext context, string firstName, string lastName)
{
return(context.Photographers.FirstOrDefault(p => p.FirstName == firstName && p.LastName == lastName));
}
