public List <DbJob> RecentJobs(string stream)
{
RecentJobs recJobs = new RecentJobs();
recJobs.SetStringStream(stream);
return(recJobs.Execute());
}
public string DetermineUserStream(int user_id)
{
RecentJobs recJobs = new RecentJobs();
return(recJobs.GetUserStream(user_id));
}
public List <DbJob> Search(string stream, string status, string location, string company, List <string> skills)
{
List <DbJob> finalJobs = new List <DbJob>();
List <string> sortedJobs = new List <string>();
List <string> sortedJobs2 = new List <string>();
List <string> sortedJobs3 = new List <string>();
List <string> sortedJobs4 = new List <string>();
List <Tuple <string, int> > unsortedJobs = new List <Tuple <string, int> >();
// search based on stream, status, skills, company and location
string qry1 = GetQryStreamStatus(stream, status);
string qry2 = GetQryLocComp(location, company);
IReadCommand read = new ReadCommand();
DataTable dt1 = read.Execute(qry1);
List <string> jobs1 = (from row in dt1.AsEnumerable() select Convert.ToString(row["JOB_ID"])).ToList();
for (int i = 0; i < jobs1.Count(); i++)
{
sortedJobs.Add(jobs1[i]);
}
DataTable dt2 = read.Execute(qry2);
List <string> jobs2 = (from row in dt2.AsEnumerable() select Convert.ToString(row["JOB_ID"])).ToList();
for (int i = 0; i < jobs2.Count(); i++)
{
sortedJobs2.Add(jobs2[i]);
}
//selects matching jobs from both lists
List <string> relevantJobs = sortedJobs.Intersect(sortedJobs2).ToList();
for (int k = 0; k < relevantJobs.Count(); k++)
{
sortedJobs3.Add(relevantJobs[k]);
}
// match skills
List <string> jobs3 = new List <string>();
// check if skills are empty
if (skills.Count > 0)
{
// if not: for each required skill
for (int i = 0; i < skills.Count(); i++)
{
Console.WriteLine(skills[i]);
// select all jobs that have skill
string qry3 = "SELECT JOBPOST.job_id FROM JOBPOST JOIN JOBSKILL ON JOBPOST.job_id=JOBSKILL.job_id JOIN SKILL ON SKILL.skill_id = JOBSKILL.skill_id WHERE skilltext = '" + skills[i] + "'";
IReadCommand read2 = new ReadCommand();
DataTable dt3 = read2.Execute(qry3);
List <string> jobs4 = (from row in dt3.AsEnumerable() select Convert.ToString(row["JOB_ID"])).ToList();
for (int j = 0; j < jobs4.Count(); j++)
{
jobs3.Add(jobs4[j]);
//Console.WriteLine(jobs4[j]);
}
Console.WriteLine("count " + jobs3.Count().ToString());
// return list of jobs
}
//count how often job appears in skills - how many of the relevant skills it has
var groups = jobs3.GroupBy(v => v);
foreach (var group in groups)
{
Tuple <string, int> job = new Tuple <string, int>(group.Key, group.Count());
unsortedJobs.Add(job);
}
// sort unique jobs by skill count
unsortedJobs.Sort((a, b) => a.Item2.CompareTo(b.Item2));
Console.WriteLine("count unsorted" + unsortedJobs.Count().ToString());
for (int k = 0; k < unsortedJobs.Count(); k++)
{
sortedJobs4.Add(unsortedJobs[k].Item1.ToString());
}
Console.WriteLine("count sorted" + sortedJobs4.Count().ToString());
IEnumerable <string> relevantJobs2 = sortedJobs4.Intersect(relevantJobs);
//IEnumerable<string> relevantJobs2 = relevantJobs.Intersect(sortedJobs3);
foreach (var job in relevantJobs2.ToList())
{
RecentJobs recJobs = new RecentJobs();
DbJob jobDesc = recJobs.GetJob(int.Parse(job));
finalJobs.Add(jobDesc);
}
}
else
{
for (int i = 0; i < sortedJobs4.Count(); i++)
{
RecentJobs recJobs = new RecentJobs();
DbJob jobDesc = recJobs.GetJob(int.Parse(sortedJobs4.ToList()[i]));
finalJobs.Add(jobDesc);
}
}
return(finalJobs);
}
