private void FindAndRemoveIngredient(ObservableCollection<IngredientViewModel> source, IngredientViewModel item)
{
foreach (var ingredient in source)
{
if (ingredient.Id == item.Id)
{
bool removed = source.Remove(ingredient);
break;
}
}
}
private async void ImportIngredientsData(string fileContent)
{
string line = "";
using (System.IO.StringReader stringReader = new System.IO.StringReader(fileContent))
{
while ((line = await stringReader.ReadLineAsync()) != null)
{
IngredientViewModel ingredient = new IngredientViewModel();
string[] ingredientAndManufacturer = line.Split(';');
ingredient.Name = ingredientAndManufacturer[0].TrimEnd();
//ingredient.Manufacturer = ingredientAndManufacturer[1].TrimEnd();
ingredient.Category = "Metzgerei";
ingredient.UnitOfMeasure = 1;
ingredient.SaveIngredientCheckExisting(ingredient);
}
}
}
public ObservableCollection<IngredientViewModel> GetAllIngredients()
{
ingredients = new ObservableCollection<IngredientViewModel>();
using (var db = new SQLite.SQLiteConnection(App.DBPath))
{
var query = db.Table<Ingredient>().OrderBy(c => c.Name);
foreach (var _ingredient in query)
{
var ingredient = new IngredientViewModel()
{
Id = _ingredient.Id,
Name = _ingredient.Name,
Weight = _ingredient.Weight,
UnitOfMeasure = _ingredient.UnitOfMeasure
};
ingredients.Add(ingredient);
}
}
return ingredients;
}
public string SaveIngredientCheckExisting(IngredientViewModel ingredient)
{
string result = string.Empty;
using (var db = new SQLite.SQLiteConnection(App.DBPath))
{
try
{
var existingIngredient = (db.Table<Ingredient>().Where(
c => c.Name.Contains(ingredient.Name))).SingleOrDefault();
if (existingIngredient == null)
{
int success = db.Insert(new Ingredient()
{
Name = ingredient.Name,
Weight = ingredient.Weight,
UnitOfMeasure = ingredient.UnitOfMeasure,
Category = ingredient.Category,
Manufacturer = ingredient.Manufacturer
});
}
}
catch { }
}
return result;
}
public string SaveIngredient(IngredientViewModel ingredient)
{
string result = string.Empty;
using (var db = new SQLite.SQLiteConnection(App.DBPath))
{
string change = string.Empty;
try
{
var existingIngredient = (db.Table<Ingredient>().Where(
c => c.Id == ingredient.Id)).SingleOrDefault();
if (existingIngredient != null)
{
existingIngredient.Name = ingredient.Name;
existingIngredient.Weight = ingredient.Weight;
existingIngredient.UnitOfMeasure = ingredient.UnitOfMeasure;
existingIngredient.Manufacturer = ingredient.Manufacturer;
existingIngredient.Category = ingredient.Category;
int success = db.Update(existingIngredient);
}
else
{
int success = db.Insert(new Ingredient()
{
Name = ingredient.Name,
Weight = ingredient.Weight,
UnitOfMeasure = ingredient.UnitOfMeasure,
Category = ingredient.Category
});
}
result = "Success";
}
catch
{
result = "This ingredient was not saved.";
}
}
return result;
}
public IngredientViewModel IngredientExists(string ingredientName)
{
IngredientViewModel result = null; //initialized true because nothing happens in that case
using (var db = new SQLite.SQLiteConnection(App.DBPath))
{
try
{
var ingredient = db.Table<Ingredient>()
.Where(c => c.Name == ingredientName).SingleOrDefault();
if (ingredient != null)
{
result = new IngredientViewModel();
result.Id = ingredient.Id;
result.Name = ingredient.Name;
result.Weight = ingredient.Weight;
result.UnitOfMeasure = ingredient.UnitOfMeasure;
result.Manufacturer = ingredient.Manufacturer;
result.Category = ingredient.Category;
}
else
{
}
}
catch(Exception e)
{
string exceptionMsg = e.Message;
//Looks like the ingredient was not found. A linq problem I need to investigate
}
}
return result;
}
public IngredientViewModel GetIngredient(float ingredientId, float ingredientMealWeight)
{
var ingredient = new IngredientViewModel();
using (var db = new SQLite.SQLiteConnection(App.DBPath))
{
var _ingredient = (db.Table<Ingredient>().Where(
c => c.Id == ingredientId)).Single();
ingredient.Id = _ingredient.Id;
ingredient.Name = _ingredient.Name;
ingredient.Manufacturer = _ingredient.Manufacturer;
ingredient.Weight = _ingredient.Weight;
ingredient.UnitOfMeasure = _ingredient.UnitOfMeasure;
ingredient.Category = _ingredient.Category;
ingredient.IngredientMealWeight = ingredientMealWeight;
}
return ingredient;
}
private IngredientViewModel GetIngredientDetails(string rawDetails, out string amount, out string unitOfMeasure)
{
IngredientViewModel result = null;
amount = String.Empty;
unitOfMeasure = String.Empty;
Regex regex = new Regex(@"[,\d]{1,6}(kg|g|x| Ltr|ml| Stck)", RegexOptions.IgnoreCase);
Match match = regex.Match(rawDetails);
if (match.Success)
{
result = new IngredientViewModel();
string ingredientName = rawDetails.Substring(match.Value.Length, rawDetails.Length - match.Value.Length).Trim(); ;
if (match.Value.Contains("x"))
{
Regex regexValue = new Regex(@"[\(\d]{1,4}(ml)[\)]");
Match matchValue = regexValue.Match(ingredientName);
ingredientName = ingredientName.Substring(0, matchValue.Index).Trim();
}
result = result.IngredientExists(ingredientName);
if (result != null)
{
Regex regexAmount = new Regex(@"[\d,]{1,4}", RegexOptions.IgnoreCase);
Match matchAmount = regexAmount.Match(match.Value);
amount = matchAmount.Value.ToString().Trim();
unitOfMeasure = match.Value.Substring(amount.Length, match.Value.Length - amount.Length).Trim();
}
else
{
_unknownIngredients.Add(rawDetails + "|" + ingredientName);
}
}
else
{
_noMatchIngredients.Add(rawDetails);
}
return result;
}
