/// <summary>
/// Adds a transaction
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="amount">Amount of the transaction</param>
/// <param name="userId">Id of the owner</param>
/// <param name="type">Type of the transaction</param>
/// <param name="questionId">Id of the question</param>
/// <returns>The id of the created transaction</returns>
public static int Create(QuestionYourFriendsEntities qyfEntities, int amount, int userId, TransacType type,
int? questionId)
{
try
{
_logger.InfoFormat("New transaction creation: amount({0}), userId({1}), type({2})", amount, userId, type);
var transac = new QuestionYourFriendsDataAccess.Transac
{
UserReference =
{EntityKey = new EntityKey("QuestionYourFriendsEntities.Users", "id", userId)}
};
transac.SetTransacStatus(TransacStatus.Ok);
transac.SetTransacType(type);
if (questionId.HasValue)
transac.QuestionReference.EntityKey = new EntityKey("QuestionYourFriendsEntities.Questions", "id", questionId);
qyfEntities.AddToTransacs(transac);
transac.amount = amount;
qyfEntities.SaveChanges();
_logger.InfoFormat("New transaction id: {0}", transac.id);
return transac.id;
}
catch (Exception ex)
{
_logger.Error("Cannot create a new transaction", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Adds a question
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="idOwner">User id of the owner</param>
/// <param name="idReceiver">User id of the receiver</param>
/// <param name="text">Question content</param>
/// <param name="anonPrice">Price to anonymize</param>
/// <param name="privatePrice">Price to privatize</param>
/// <param name="datePub">Publication date</param>
/// <returns>The id of the created Question</returns>
public static int Create(QuestionYourFriendsEntities qyfEntities, int idOwner, int idReceiver,
string text, int anonPrice, int privatePrice, DateTime datePub)
{
try
{
_logger.InfoFormat("New question creation: owner({0}), receiver({1}), text({2}), anon({3}), priv({4}), datePub({5})",
idOwner, idReceiver, text, anonPrice, privatePrice, datePub);
QuestionYourFriendsDataAccess.Question question = qyfEntities.Questions.CreateObject();
question.id_owner = idOwner;
question.id_receiver = idReceiver;
question.text = text;
question.answer = null;
question.anom_price = anonPrice;
question.private_price = privatePrice;
question.undesirable = false;
question.date_pub = datePub;
question.date_answer = null;
question.deleted = false;
qyfEntities.Questions.AddObject(question);
qyfEntities.SaveChanges();
_logger.InfoFormat("New question id: {0}", question.id);
return question.id;
}
catch (Exception ex)
{
_logger.Error("Cannot create a new question", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Deletes an user thanks to its fid
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="fid">User's fid to delete</param>
/// <returns>True if the deletion is ok</returns>
public static bool Delete(QuestionYourFriendsEntities qyfEntities, long fid)
{
try
{
QuestionYourFriendsDataAccess.User userFound =
qyfEntities.Users.Where(x => x.fid == fid).FirstOrDefault();
if (userFound != null)
{
_logger.InfoFormat("User deletion: id ({0}), fid({1})", userFound.id, fid);
userFound.activated = false;
try
{
qyfEntities.SaveChanges();
}
catch (Exception e)
{
_logger.Error("Context error:", e);
// Resolve the concurrency conflict by refreshing the
// object context before re-saving changes.
qyfEntities.Refresh(RefreshMode.ClientWins, userFound);
// Save changes.
qyfEntities.SaveChanges();
}
return true;
}
return false;
}
catch (Exception ex)
{
_logger.Error("Cannot delete an user", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Adds a transaction
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="t">Transaction to add</param>
/// <returns>Id of the created transaction</returns>
public static int Create(QuestionYourFriendsEntities qyfEntities, QuestionYourFriendsDataAccess.Transac t)
{
try
{
_logger.InfoFormat("New transaction creation: amount({0}), userId({1}), type({2})", t.amount, t.User.id, t.type);
qyfEntities.AddToTransacs(t);
qyfEntities.SaveChanges();
_logger.InfoFormat("New transaction id: {0}", t.id);
return t.id;
}
catch (Exception ex)
{
_logger.Error("Cannot create a new transaction", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Adds an user
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="user">User to add</param>
/// <returns>The id of the created user</returns>
public static int Create(QuestionYourFriendsEntities qyfEntities, QuestionYourFriendsDataAccess.User user)
{
try
{
_logger.InfoFormat("New user creation: fid({0})", user.fid);
qyfEntities.AddToUsers(user);
qyfEntities.SaveChanges();
_logger.InfoFormat("New user id: {0}", user.id);
return user.id;
}
catch (Exception ex)
{
_logger.Error("Cannot create a new user", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Adds a question
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="q">Question to add</param>
/// <returns>The id of the created Question</returns>
public static int Create(QuestionYourFriendsEntities qyfEntities, QuestionYourFriendsDataAccess.Question q)
{
try
{
_logger.InfoFormat("New question creation: owner({0}), receiver({1}), text({2}), anon({3}), priv({4}), datePub({5})",
q.Owner.id, q.Receiver.id, q.text, q.anom_price, q.private_price, q.date_pub);
qyfEntities.AddToQuestions(q);
qyfEntities.SaveChanges();
_logger.InfoFormat("New question id: {0}", q.id);
return q.id;
}
catch (Exception ex)
{
_logger.Error("Cannot create a new question", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Adds an user from its fid
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="fid">User's fid</param>
/// <returns>The id of the created user</returns>
public static int Create(QuestionYourFriendsEntities qyfEntities, long fid)
{
try
{
_logger.InfoFormat("New user creation: fid({0})", fid);
QuestionYourFriendsDataAccess.User user = qyfEntities.Users.CreateObject();
user.fid = fid;
user.activated = true;
user.credit_amount = 0;
qyfEntities.Users.AddObject(user);
qyfEntities.SaveChanges();
_logger.InfoFormat("New user id: {0}", user.id);
return user.id;
}
catch (Exception ex)
{
_logger.Error("Cannot create a new user", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Adds a question
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="idOwner">User id of the owner</param>
/// <param name="idReceiver">User id of the receiver</param>
/// <param name="text">Question content</param>
/// <param name="anonPrice">Price to anonymize</param>
/// <param name="privatePrice">Price to privatize</param>
/// <param name="datePub">Publication date</param>
/// <returns>The id of the created Question</returns>
public static int Create(QuestionYourFriendsEntities qyfEntities, int idOwner, int idReceiver,
string text, int anonPrice, int privatePrice, DateTime datePub)
{
try
{
_logger.InfoFormat("New question creation: owner({0}), receiver({1}), text({2}), anon({3}), priv({4}), datePub({5})",
idOwner, idReceiver, text, anonPrice, privatePrice, datePub);
var question = new QuestionYourFriendsDataAccess.Question
{
OwnerReference =
{
EntityKey =
new EntityKey("QuestionYourFriendsEntities.Users", "id", idOwner)
},
ReceiverReference =
{
EntityKey =
new EntityKey("QuestionYourFriendsEntities.Users", "id", idReceiver)
},
text = text,
answer = null,
anom_price = anonPrice,
private_price = privatePrice,
undesirable = false,
date_pub = datePub,
date_answer = null,
deleted = false
};
qyfEntities.AddToQuestions(question);
qyfEntities.SaveChanges();
_logger.InfoFormat("New question id: {0}", question.id);
return question.id;
}
catch (Exception ex)
{
_logger.Error("Cannot create a new question", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Adds a transaction
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="amount">Amount of the transaction</param>
/// <param name="userId">Id of the owner</param>
/// <param name="type">Type of the transaction</param>
/// <param name="questionId">Id of the question</param>
/// <returns>The id of the created transaction</returns>
public static int Create(QuestionYourFriendsEntities qyfEntities, int amount, int userId, TransacType type,
int? questionId)
{
try
{
_logger.InfoFormat("New transaction creation: amount({0}), userId({1}), type({2})", amount, userId, type);
QuestionYourFriendsDataAccess.Transac transac = qyfEntities.Transacs.CreateObject();
transac.amount = amount;
transac.userId = userId;
transac.SetTransacStatus(TransacStatus.Ok);
transac.SetTransacType(type);
transac.questionId = questionId;
qyfEntities.Transacs.AddObject(transac);
qyfEntities.SaveChanges();
_logger.InfoFormat("New transaction id: {0}", transac.id);
return transac.id;
}
catch (Exception ex)
{
_logger.Error("Cannot create a new transaction", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Deletes the transaction thanks to its id
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="id">Transaction's id to delete</param>
/// <returns>True if the deletion is ok</returns>
public static bool Delete(QuestionYourFriendsEntities qyfEntities, int id)
{
try
{
QuestionYourFriendsDataAccess.Transac transacFound =
qyfEntities.Transacs.Where(x => x.id == id).FirstOrDefault();
if (transacFound != null)
{
_logger.InfoFormat("Transaction deletion: amount({0}), userId({1}), type({2})",
transacFound.amount, transacFound.userId, transacFound.type);
transacFound.status = 0;
try
{
qyfEntities.SaveChanges();
}
catch (Exception e)
{
_logger.Error("Context error:", e);
// Resolve the concurrency conflict by refreshing the
// object context before re-saving changes.
qyfEntities.Refresh(RefreshMode.ClientWins, transacFound);
// Save changes.
qyfEntities.SaveChanges();
}
return true;
}
return false;
}
catch (Exception ex)
{
_logger.Error("Cannot update a transaction", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Get the list of questions of your friends
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="friends">array of friends id</param>
/// <returns></returns>
public static List<QuestionYourFriendsDataAccess.Question> GetFriendsQuestions(QuestionYourFriendsEntities qyfEntities, int[] friends)
{
try
{
_logger.Info("Get friends questions");
var res = qyfEntities.Questions
.Include("Owner").Include("Receiver")
.Where(x => friends.Contains(x.id_receiver) && x.deleted == false && x.undesirable == false && x.private_price == 0 && x.date_pub < DateTime.Now)
.OrderBy(x => x.date_pub).ToList();
res.Reverse();
return res;
}
catch (Exception ex)
{
_logger.Error("Cannot get questions", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Recalculate credit amount from the transactions
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="id">Id of the user to update</param>
/// <returns>True if the process is ok</returns>
public static bool UpdateMoney(QuestionYourFriendsEntities qyfEntities, int id)
{
try
{
_logger.InfoFormat("Update money of user: id({0})", id);
var user = qyfEntities.Users.Where(u => u.id == id).FirstOrDefault();
if (user == null)
return false;
var transacs = qyfEntities.Transacs
.Where(t => t.User.id == id && t.status != (int)TransacStatus.Ko);
int sum = Enumerable.Sum(transacs, transac => transac.amount);
user.credit_amount = sum;
try
{
qyfEntities.SaveChanges();
}
catch (Exception e)
{
_logger.Error("Context error:", e);
// Resolve the concurrency conflict by refreshing the
// object context before re-saving changes.
qyfEntities.Refresh(RefreshMode.ClientWins, user);
// Save changes.
qyfEntities.SaveChanges();
}
return true;
}
catch (Exception ex)
{
_logger.Error("Cannot update money", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Gets a list of users thanks to their fids
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="fids">List of fids</param>
/// <returns>The requested list of users</returns>
public static IEnumerable<QuestionYourFriendsDataAccess.User> GetUsersFromFids(QuestionYourFriendsEntities qyfEntities, List<long> fids)
{
try
{
_logger.Info("Get users from fid");
var users = qyfEntities.Users.Include("QuestionsToMe").Include("MyQuestions").Include("Transacs");
var res = new List<QuestionYourFriendsDataAccess.User>();
foreach (var user in users)
{
if (fids.Contains(user.fid))
res.Add(user);
}
return res;
}
catch (Exception ex)
{
_logger.Error("Cannot get users", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Get the list of all users
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <returns>The list of all users</returns>
public static List<QuestionYourFriendsDataAccess.User> GetList(QuestionYourFriendsEntities qyfEntities)
{
try
{
_logger.Info("Get users");
return qyfEntities.Users
.Include("QuestionsToMe").Include("MyQuestions").Include("Transacs")
.ToList();
}
catch (Exception ex)
{
_logger.Error("Cannot get users", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Gets an user from its fid
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="fid">User's fid</param>
/// <returns>The requested user</returns>
public static QuestionYourFriendsDataAccess.User Get(QuestionYourFriendsEntities qyfEntities, long fid)
{
try
{
_logger.InfoFormat("Get user: fid({0})", fid);
return qyfEntities.Users
.Include("QuestionsToMe").Include("MyQuestions").Include("Transacs")
.Where(x => x.fid == fid).FirstOrDefault();
}
catch (Exception ex)
{
_logger.Error("Cannot get an user", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Gets an user from its id
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="id">User's id</param>
/// <returns>The requested user</returns>
public static QuestionYourFriendsDataAccess.User Get(QuestionYourFriendsEntities qyfEntities, int id)
{
try
{
_logger.InfoFormat("Get user: id({0})", id);
return qyfEntities.Users.Where(x => x.id == id).FirstOrDefault();
}
catch (Exception ex)
{
_logger.Error("Cannot get an user", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Get the list of questions of your friends
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="friends">array of friends id</param>
/// <returns></returns>
public static List<QuestionYourFriendsDataAccess.Question> GetFriendsQuestions(QuestionYourFriendsEntities qyfEntities, IEnumerable<int> friends)
{
try
{
_logger.Info("Get friends questions");
var questions = qyfEntities.Questions.Include("Owner").Include("Receiver");
var res = new List<QuestionYourFriendsDataAccess.Question>();
foreach (var q in questions)
{
if (friends.Contains(q.Receiver.id) && q.deleted == false && q.undesirable == false
&& q.private_price == 0 && q.date_pub < DateTime.Now)
res.Add(q);
}
res.Sort(QyfComparer.Instance);
return res;
}
catch (Exception ex)
{
_logger.Error("Cannot get questions", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Get list of all questions
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <returns>List of questions</returns>
public static List<QuestionYourFriendsDataAccess.Question> GetList(QuestionYourFriendsEntities qyfEntities)
{
try
{
_logger.Info("Get questions");
return qyfEntities.Questions
.Include("Owner").Include("Receiver")
.ToList();
}
catch (Exception ex)
{
_logger.Error("Cannot get questions", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Gets a transaction thanks to its id
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="id">The id of the transaction</param>
/// <returns>The requested transaction</returns>
public static QuestionYourFriendsDataAccess.Transac Get(QuestionYourFriendsEntities qyfEntities, long id)
{
try
{
_logger.InfoFormat("Get transaction: id({0})", id);
return qyfEntities.Transacs.Include("Question").Include("User")
.Where(x => x.id == id).FirstOrDefault();
}
catch (Exception ex)
{
_logger.Error("Cannot get a transaction", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Gets a list of users thanks to their fids
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="fids">List of fids</param>
/// <returns>The requested list of users</returns>
public static IEnumerable<QuestionYourFriendsDataAccess.User> GetUsersFromFids(QuestionYourFriendsEntities qyfEntities, IEnumerable<long> fids)
{
try
{
_logger.Info("Get users from fid");
return qyfEntities.Users
.Include("QuestionsToMe").Include("MyQuestions").Include("Transacs")
.Where(x => fids.Contains(x.fid)).ToList();
}
catch (Exception ex)
{
_logger.Error("Cannot get users", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Get the list of receivers
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="id">Receiver id</param>
/// <returns>List of questions where we are receiver</returns>
public static List<QuestionYourFriendsDataAccess.Question> GetListOfReceiver(QuestionYourFriendsEntities qyfEntities, int id)
{
try
{
_logger.InfoFormat("Get my questions: id({0})", id);
var res = qyfEntities.Questions
.Include("Owner").Include("Receiver").
Where(x => x.Receiver.id == id && x.deleted == false && x.undesirable == false && x.date_pub < DateTime.Now)
.ToList();
res.Sort(QyfComparer.Instance);
return res;
}
catch (Exception ex)
{
_logger.Error("Cannot get questions", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
/// <summary>
/// Updates a question
/// </summary>
/// <param name="qyfEntities">Entity context</param>
/// <param name="q">Question to update</param>
/// <returns>True if the update is ok</returns>
public static bool Update(QuestionYourFriendsEntities qyfEntities, QuestionYourFriendsDataAccess.Question q)
{
try
{
QuestionYourFriendsDataAccess.Question questionFound =
qyfEntities.Questions.Where(x => x.id == q.id).FirstOrDefault();
if (questionFound != null)
{
_logger.InfoFormat("Question update: owner({0}), receiver({1}), text({2}), anon({3}), priv({4}), datePub({5})",
q.Owner.id, q.Receiver.id, q.text, q.anom_price, q.private_price, q.date_pub);
questionFound.Owner = q.Owner;
questionFound.Receiver = q.Receiver;
questionFound.text = q.text;
questionFound.answer = q.answer;
questionFound.anom_price = q.anom_price;
questionFound.private_price = q.private_price;
questionFound.undesirable = q.undesirable;
questionFound.date_pub = q.date_pub;
questionFound.date_answer = q.date_answer;
questionFound.deleted = q.deleted;
try
{
qyfEntities.SaveChanges();
}
catch (Exception e)
{
_logger.Error("Context error:", e);
// Resolve the concurrency conflict by refreshing the
// object context before re-saving changes.
qyfEntities.Refresh(RefreshMode.ClientWins, questionFound);
// Save changes.
qyfEntities.SaveChanges();
}
return true;
}
return false;
}
catch (Exception ex)
{
_logger.Error("Cannot update a question", ex);
throw new ApplicationException("A database error occured during the operation.");
}
}
