public async Task <IActionResult> GetHot()
{
ObjectId currentUser = ObjectId.Parse(User.FindFirst(ClaimTypes.NameIdentifier).Value);
DateTime dateTime = DateTime.UtcNow;
var beforeLimit = dateTime.AddDays(-5);
var beforeLimitString = beforeLimit.ToString("yyyy-MM-dd") + "T" + beforeLimit.ToString("HH:mm:ss.ff") + "Z";
var query = _neoContext.Cypher
.Match($"(u:User)-[up:UPVOTED]->(t:Ticket)")
.Where($"(up.Time > datetime('{beforeLimitString}')) AND (NOT (u)-[:CREATED]->(t))")
.Match($"(c)-[:CREATED]->(t)")
.With($"count(up) as ups, c.Username AS username, c.Id as userId, t")
.OptionalMatch($"(u2:User)-[down:DOWNVOTED]->(t)")
.With($"ups, (ups * 10 - coalesce(count(down),0) * 2) as rating, username, userId, t.Id as TicketId, t.Title as title")
.Where("rating >= 0")
.Return((username, rating, userId, TicketId, title) => new
{
Username = username.As <string>(),
Rating = rating.As <int>(),
UserId = userId.As <string>(),
TicketId = TicketId.As <string>(),
Title = title.As <string>()
})
.OrderByDescending("rating", "ups")
.Limit(5);
var queryText = query.Query.DebugQueryText;
return(Ok(await query.ResultsAsync));
}
public async Task <IActionResult> GetRecommended()
{
ObjectId currentUser = ObjectId.Parse(User.FindFirst(ClaimTypes.NameIdentifier).Value);
DateTime dateTime = DateTime.UtcNow;
var beforeLimit = dateTime.AddDays(-14);
var beforeLimitString = beforeLimit.ToString("yyyy-MM-dd") + "T" + beforeLimit.ToString("HH:mm:ss.ff") + "Z";
var query = _neoContext.Cypher
.Match($"(u:User {{Id: '{currentUser}'}})-[:INTEREST]->(rec:Topic)<-[:ON_TOPIC]-(t:Ticket)")
.Where($"(t.Time > datetime('{beforeLimitString}')) AND (NOT (u)-[:CREATED]->(t))")
.Match($"(c)-[:CREATED]->(t)")
.With($"c.Username AS username, c.Id as userId, t.Id as TicketId, t.Title as title")
.Return((username, userId, TicketId, title) => new
{
Username = username.As <string>(),
UserId = userId.As <string>(),
TicketId = TicketId.As <string>(),
Title = title.As <string>()
})
.Limit(10);
var queryText = query.Query.DebugQueryText;
return(Ok(await query.ResultsAsync));
}
