public List <DomainModel.RecommenderAction> GetWeeklyActivities()
{
List <DomainModel.RecommenderAction> actions = new List <DomainModel.RecommenderAction>();
NpgsqlCommand cmd = new NpgsqlCommand();
cmd.Connection = conn;
cmd.CommandText = "select userid, productid from viewedproducts where time>@t union select userid, productid from viewedproducts where " +
"time>=@tp and time<=@tk";
cmd.CommandType = CommandType.Text;
cmd.Parameters.Add(new NpgsqlParameter("@t", DateTime.Now.AddDays(-21)));
if (DateTime.Now.Month >= 3 && DateTime.Now.Month <= 5)
{
cmd.Parameters.Add(new NpgsqlParameter("@tp", new DateTime(DateTime.Now.Year - 1, 3, 1)));
cmd.Parameters.Add(new NpgsqlParameter("@tk", new DateTime(DateTime.Now.Year - 1, 5, 31)));
}
else if (DateTime.Now.Month >= 6 && DateTime.Now.Month <= 8)
{
cmd.Parameters.Add(new NpgsqlParameter("@tp", new DateTime(DateTime.Now.Year - 1, 6, 1)));
cmd.Parameters.Add(new NpgsqlParameter("@tk", new DateTime(DateTime.Now.Year - 1, 8, 31)));
}
else if (DateTime.Now.Month >= 9 && DateTime.Now.Month <= 11)
{
cmd.Parameters.Add(new NpgsqlParameter("@tp", new DateTime(DateTime.Now.Year - 1, 9, 1)));
cmd.Parameters.Add(new NpgsqlParameter("@tk", new DateTime(DateTime.Now.Year - 1, 11, 30)));
}
else
{
cmd.Parameters.Add(new NpgsqlParameter("@tp", new DateTime(DateTime.Now.Year - 2, 12, 1)));
cmd.Parameters.Add(new NpgsqlParameter("@tk", new DateTime(DateTime.Now.Year - 1, 2, 28)));
}
da = new NpgsqlDataAdapter(cmd);
dt = new DataTable();
da.Fill(dt);
foreach (DataRow dr in dt.Rows)
{
DomainModel.RecommenderAction action = new DomainModel.RecommenderAction();
action.Action = "View";
action.UserId = new ObjectId(dr["userid"].ToString());
action.ProductId = new ObjectId(dr["productid"].ToString());
actions.Add(action);
}
cmd.CommandText = "select userid, productid, grade from reviewedproducts where time>@t union select userid, productid, grade from reviewedproducts where " +
"time>=@tp and time<=@tk";
dt.Clear();
da.Fill(dt);
foreach (DataRow dr in dt.Rows)
{
DomainModel.RecommenderAction action = new DomainModel.RecommenderAction();
action.Action = "Review";
action.UserId = new ObjectId(dr["userid"].ToString());
action.ProductId = new ObjectId(dr["productid"].ToString());
action.Grade = int.Parse(dr["grade"].ToString());
actions.Add(action);
}
cmd.CommandText = "select userid, productid from boughtproducts where time>@t union select userid, productid from boughtproducts where " +
"time>=@tp and time<=@tk";
dt.Clear();
da.Fill(dt);
foreach (DataRow dr in dt.Rows)
{
DomainModel.RecommenderAction action = new DomainModel.RecommenderAction();
action.Action = "Buy";
action.UserId = new ObjectId(dr["userid"].ToString());
action.ProductId = new ObjectId(dr["productid"].ToString());
actions.Add(action);
}
cmd.CommandText = "select userid, productid from seenreviews where time>@t union select userid, productid from seenreviews where " +
"time>=@tp and time<=@tk";
dt.Clear();
da.Fill(dt);
MongodbFunctions mongo = new MongodbFunctions();
foreach (DataRow dr in dt.Rows)
{
DomainModel.RecommenderAction action = new DomainModel.RecommenderAction();
action.Action = "SeeReviews";
action.UserId = new ObjectId(dr["userid"].ToString());
action.ProductId = new ObjectId(dr["productid"].ToString());
action.Grade = mongo.AverageGrade(action.ProductId)[0];
actions.Add(action);
}
cmd.Dispose();
return(actions);
}
public List <DomainModel.RecommenderAction> GetMonthlyActivities(int months)
{
List <DomainModel.RecommenderAction> actions = new List <DomainModel.RecommenderAction>();
NpgsqlCommand cmd = new NpgsqlCommand();
cmd.Connection = conn;
cmd.CommandText = "select userid, productid from viewedproducts where time>@t";
cmd.CommandType = CommandType.Text;
cmd.Parameters.Add(new NpgsqlParameter("@t", DateTime.Now.AddMonths(-1 * months)));
da = new NpgsqlDataAdapter(cmd);
dt = new DataTable();
da.Fill(dt);
foreach (DataRow dr in dt.Rows)
{
DomainModel.RecommenderAction action = new DomainModel.RecommenderAction();
action.Action = "View";
action.UserId = new ObjectId(dr["userid"].ToString());
action.ProductId = new ObjectId(dr["productid"].ToString());
actions.Add(action);
}
cmd.CommandText = "select userid, productid, grade from reviewedproducts where time>@t";
dt.Clear();
da.Fill(dt);
foreach (DataRow dr in dt.Rows)
{
DomainModel.RecommenderAction action = new DomainModel.RecommenderAction();
action.Action = "Review";
action.UserId = new ObjectId(dr["userid"].ToString());
action.ProductId = new ObjectId(dr["productid"].ToString());
action.Grade = int.Parse(dr["grade"].ToString());
actions.Add(action);
}
cmd.CommandText = "select userid, productid from boughtproducts where time>@t";
dt.Clear();
da.Fill(dt);
foreach (DataRow dr in dt.Rows)
{
DomainModel.RecommenderAction action = new DomainModel.RecommenderAction();
action.Action = "Buy";
action.UserId = new ObjectId(dr["userid"].ToString());
action.ProductId = new ObjectId(dr["productid"].ToString());
actions.Add(action);
}
cmd.CommandText = "select userid, productid from seenreviews where time>@t";
dt.Clear();
da.Fill(dt);
MongodbFunctions mongo = new MongodbFunctions();
foreach (DataRow dr in dt.Rows)
{
DomainModel.RecommenderAction action = new DomainModel.RecommenderAction();
action.Action = "SeeReviews";
action.UserId = new ObjectId(dr["userid"].ToString());
action.ProductId = new ObjectId(dr["productid"].ToString());
action.Grade = mongo.AverageGrade(action.ProductId)[0];
actions.Add(action);
}
cmd.Dispose();
return(actions);
}
