/// <summary>
/// Adds a collection of companies to the database
/// </summary>
/// <param name="items">Collection of companies to add</param>
/// <exception cref="ArgumentNullException"/>
/// <exception cref="ArgumentException" />
internal IEnumerable<int> AddCompanies(IEnumerable<ICompany> items)
{
if (items == null)
{
throw new ArgumentNullException(nameof(items));
}
List<int> ids = new List<int>();
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
IEnumerable<Company> companies = items.Select(input => new Company(input));
IEnumerable<Company> enumerable = companies as Company[] ?? companies.ToArray();
foreach (Company company in enumerable)
{
if (ContainsCompany(company))
{
throw new ArgumentException();
}
dbContext.Companies.Add(company);
}
dbContext.SaveChanges();
ids.AddRange(enumerable.Select(company => company.Id));
}
return ids;
}
/// <summary>
/// Adds a company to the database
/// </summary>
/// <param name="item">Company to add</param>
/// <exception cref="ArgumentNullException"/>
/// <exception cref="ArgumentException" />
internal int AddCompany(ICompany item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (ContainsCompany(item))
{
throw new ArgumentException();
}
Company company = new Company(item);
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
dbContext.Companies.Add(company);
dbContext.SaveChanges(); // save autogenerated id
}
return company.Id;
}
/// <summary>
/// Removes a Person from the database
/// </summary>
/// <param name="item">Person to add</param>
/// <exception cref="ArgumentNullException"/>
/// <exception cref="ArgumentException"></exception>
/// <exception cref="InvalidOperationException"></exception>
internal bool RemovePerson(IPerson item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
Person person = dbContext.Persons.FirstOrDefault(x => x.Id == item.Id);
if (person == null)
{
return false;
}
dbContext.Persons.Remove(person);
dbContext.SaveChanges();
}
return true;
}
/// <summary>
/// Removes a Company from the database
/// </summary>
/// <param name="item">Company to remove</param>
/// <exception cref="ArgumentNullException"/>
internal bool RemoveCompany(ICompany item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
Company company = dbContext.Companies.FirstOrDefault(x => x.Id == item.Id);
if (company == null)
{
return false;
}
dbContext.Companies.Remove(company);
dbContext.SaveChanges();
}
return true;
}
/// <summary>
/// Removes a collection of companies to the database
/// </summary>
/// <param name="items">Collection of Companies to remove</param>
/// <exception cref="ArgumentNullException"/>
internal bool RemoveCompanies(IEnumerable<ICompany> items)
{
bool res;
if (items == null)
{
throw new ArgumentNullException(nameof(items));
}
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
res = true;
foreach (ICompany company in items)
{
Company comp = dbContext.Companies.FirstOrDefault(x => x.Id == company.Id);
if (comp == null)
{
res = false;
}
else
{
dbContext.Companies.Remove(comp);
}
}
dbContext.SaveChanges();
}
return res;
}
/// <summary>
/// Removes all companies specified by the function (Linq-Expression)
/// </summary>
/// <param name="func"></param>
/// <returns>Companies fullfilling the function, null if no company found</returns>
/// <exception cref="ArgumentNullException"/>
internal bool RemoveCompanies(Func<ICompany, bool> func)
{
bool res;
if (func == null)
{
throw new ArgumentNullException(nameof(func));
}
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
res = false;
IEnumerable<ICompany> companies = GetCompanies(func);
foreach (ICompany company in companies)
{
res = true;
Company comp = dbContext.Companies.FirstOrDefault(x => x.Id == company.Id);
dbContext.Companies.Remove(comp);
}
dbContext.SaveChanges();
}
return res;
}
/// <summary>
/// Updates the given person
/// </summary>
/// <param name="item">Person to update</param>
/// <returns>True, if person could be updated succesful, false otherwise</returns>
internal bool UpdatePerson(IPerson item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (!ContainsPerson(item))
{
AddPerson(item);
return true;
}
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
Person nation = dbContext.Persons.FirstOrDefault(x => x.Id == item.Id);
dbContext.Entry(nation).CurrentValues.SetValues(item);
dbContext.SaveChanges();
}
return true;
}
/// <summary>
/// Updates the given company
/// </summary>
/// <param name="item">Company to update</param>
/// <returns>True, if company could be updated succesful, false otherwise</returns>
internal bool UpdateCompany(ICompany item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (!ContainsCompany(item))
{
AddCompany(item);
return true;
}
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
Company company = dbContext.Companies.FirstOrDefault(x => x.Id == item.Id);
dbContext.Entry(company).CurrentValues.SetValues(item);
dbContext.SaveChanges();
}
return true;
}
/// <summary>
/// Gets a person specified by the function (Linq-Expression)
/// </summary>
/// <param name="func"></param>
/// <returns>Person fullfilling the function, null if no nation found</returns>
internal IPerson GetPerson(Func<IPerson, bool> func)
{
if (func == null)
{
throw new ArgumentNullException();
}
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
return dbContext.Persons.FirstOrDefault(func);
}
}
/// <summary>
/// Executes the given DDL/DML command against the database.
/// </summary>
/// <param name="sql">The command string.</param>
/// <param name="parameters">The parameters to apply to the command string.</param>
/// <returns>The object returned by the database after executing the command.</returns>
internal ICompany GetCompany(string sql, params object[] parameters)
{
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
return dbContext.Companies.SqlQuery(sql, parameters).SingleOrDefault();
}
}
/// <summary>
/// Gets a company specified by the function (Linq-Expression)
/// </summary>
/// <param name="func"></param>
/// <returns>Company fullfilling the function, null if no company found</returns>
internal ICompany GetCompany(Func<ICompany, bool> func)
{
if (func == null)
{
throw new ArgumentNullException();
}
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
return dbContext.Companies.FirstOrDefault(func);
}
}
/// <summary>
/// Executes the given DDL/DML command against the database.
/// </summary>
/// <param name="sql">The command string.</param>
/// <param name="parameters">The parameters to apply to the command string.</param>
/// <returns>The objects returned by the database after executing the command.</returns>
internal IEnumerable<ICompany> GetCompanies(string sql, params object[] parameters)
{
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
return dbContext.Companies.SqlQuery(sql, parameters).ToList();
}
}
/// <summary>
/// Gets all companies specified by the function (Linq-Expression)
/// </summary>
/// <param name="func"></param>
/// <returns>Companies fullfilling the function, null if no company found</returns>
internal IEnumerable<ICompany> GetCompanies(Func<ICompany, bool> func)
{
if (func == null)
{
throw new ArgumentNullException();
}
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
return dbContext.Companies.Where(func).ToList();
}
}
/// <summary>
/// Executes the given DDL/DML command against the database.
/// </summary>
/// <param name="sql">The command string.</param>
/// <param name="parameters">The parameters to apply to the command string.</param>
/// <returns>The result returned by the database after executing the command.</returns>
internal int ExecuteSqlCommand(string sql, params object[] parameters)
{
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
return dbContext.Database.ExecuteSqlCommand(sql, parameters);
}
}
/// <summary>
/// Removes all persons specified by the function (Linq-Expression)
/// </summary>
/// <param name="func"></param>
/// <returns>Persons fullfilling the function, null if no person found</returns>
/// <exception cref="ArgumentNullException"/>
internal bool RemovePersons(Func<IPerson, bool> func)
{
bool res;
if (func == null)
{
throw new ArgumentNullException(nameof(func));
}
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
res = false;
IEnumerable<IPerson> persons = GetPersons(func);
foreach (IPerson person in persons)
{
res = true;
Person per = dbContext.Persons.FirstOrDefault(x => x.Id == person.Id);
dbContext.Persons.Remove(per);
}
dbContext.SaveChanges();
}
return res;
}
/// <summary>
/// Removes a collection of persons to the database
/// </summary>
/// <param name="items">Collection of persons to remove</param>
/// <exception cref="ArgumentNullException"/>
internal bool RemovePersons(IEnumerable<IPerson> items)
{
bool res;
if (items == null)
{
throw new ArgumentNullException(nameof(items));
}
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
res = true;
foreach (IPerson person in items)
{
Person per = dbContext.Persons.FirstOrDefault(x => x.Id == person.Id);
if (per == null)
{
res = false;
}
else
{
dbContext.Persons.Remove(per);
}
}
dbContext.SaveChanges();
}
return res;
}
/// <summary>
/// Executes the given DDL/DML command against the database.
/// </summary>
/// <param name="sql">The command string.</param>
/// <param name="parameters">The parameters to apply to the command string.</param>
/// <returns>The object returned by the database after executing the command.</returns>
internal IPerson GetPerson(string sql, params object[] parameters)
{
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
return dbContext.Persons.SqlQuery(sql, parameters).SingleOrDefault();
}
}
/// <summary>
/// Gets all persons specified by the function (Linq-Expression)
/// </summary>
/// <param name="func"></param>
/// <returns>Persons fullfilling the function, null if no person found</returns>
internal IEnumerable<IPerson> GetPersons(Func<IPerson, bool> func)
{
if (func == null)
{
throw new ArgumentNullException();
}
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
return dbContext.Persons.Where(func).ToList();
}
}
/// <summary>
/// Executes the given DDL/DML command against the database.
/// </summary>
/// <param name="sql">The command string.</param>
/// <param name="parameters">The parameters to apply to the command string.</param>
/// <returns>The objects returned by the database after executing the command.</returns>
internal IEnumerable<IPerson> GetPersons(string sql, params object[] parameters)
{
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
return dbContext.Persons.SqlQuery(sql, parameters).ToList();
}
}
/// <summary>
/// Adds a person to the database
/// </summary>
/// <param name="item">Person to add</param>
/// <exception cref="ArgumentNullException"/>
/// <exception cref="ArgumentException" />
internal int AddPerson(IPerson item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (ContainsPerson(item))
{
throw new ArgumentException();
}
Person person = new Person(item);
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
dbContext.Persons.Add(person);
dbContext.SaveChanges(); // save autogenerated id
}
return person.Id;
}
/// <summary>
/// Adds a collection of persons to the database
/// </summary>
/// <param name="items">Collection of persons to add</param>
/// <exception cref="ArgumentNullException"/>
/// <exception cref="ArgumentException" />
internal IEnumerable<int> AddPersons(IEnumerable<IPerson> items)
{
if (items == null)
{
throw new ArgumentNullException(nameof(items));
}
List<int> ids = new List<int>();
using (OwlCalcDatabase dbContext = new OwlCalcDatabase())
{
IEnumerable<Person> persons = items.Select(input => new Person(input));
IEnumerable<Person> enumerable = persons as Person[] ?? persons.ToArray();
foreach (Person person in enumerable)
{
if (ContainsPerson(person))
{
throw new ArgumentException();
}
dbContext.Persons.Add(person);
}
dbContext.SaveChanges();
ids.AddRange(enumerable.Select(person => person.Id));
}
return ids;
}
