/
QuerySetController.cs
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/
QuerySetController.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Web.Mvc;
using Dapper;
using StackExchange.DataExplorer.Helpers;
using StackExchange.DataExplorer.Models;
using StackExchange.DataExplorer.ViewModel;
namespace StackExchange.DataExplorer.Controllers
{
public class QuerySetController : StackOverflowController
{
[StackRoute(@"{sitename}/s/{queryId:\d+}/{slug?}")]
public ActionResult MapQuery(string sitename, int queryId, string slug)
{
Revision revision = QueryUtil.GetMigratedRevision(queryId, MigrationType.Saved);
if (revision == null)
{
return PageNotFound();
}
if (slug.HasValue())
{
slug = "/" + slug;
}
return new RedirectPermanentResult("/" + sitename + "/query/" + revision.QuerySet.Id + slug);
}
[StackRoute(@"{sitename}/query/{querySetId:\d+}/{slug?}", RoutePriority.Low)]
public ActionResult ShowLatest(string sitename, int querySetId, string slug)
{
Site site;
if (!TryGetSite(sitename, out site))
{
return site == null ? (ActionResult)PageNotFound() : RedirectPermanent(string.Format("/{0}/query/{1}{2}{3}",
site.TinyName.ToLower(), querySetId, slug.HasValue() ? "/" + slug : "", Request.Url.Query
));
}
Site = site;
var querySet = QueryUtil.GetFullQuerySet(querySetId);
if (querySet == null)
{
return PageNotFound();
}
var revision = querySet.CurrentRevision;
return ShowCommon(revision, slug, true);
}
[StackRoute(@"{sitename}/revision/{querySetId:\d+}/{revisionId:\d+}/{slug?}")]
public ActionResult Show(string sitename, int querySetId, int revisionId, string slug)
{
Site site;
if (!TryGetSite(sitename, out site))
{
return site == null ? (ActionResult)PageNotFound() : RedirectPermanent(string.Format("/{0}/revision/{1}/{2}{3}{4}",
site.TinyName.ToLower(), querySetId, revisionId, slug.HasValue() ? "/" + slug : "", Request.Url.Query
));
}
Site = site;
var querySet = QueryUtil.GetFullQuerySet(querySetId);
if (querySet == null)
{
return PageNotFound();
}
var revision = querySet.Revisions.FirstOrDefault(r => r.Id == revisionId);
if (revision == null)
{
return PageNotFound();
}
return ShowCommon(revision, slug, false);
}
private ActionResult ShowCommon(Revision revision, string slug, bool latest)
{
if (revision == null)
{
return PageNotFound();
}
var title = revision.QuerySet.Title;
int ownerId = revision.OwnerId ?? 0;
title = title.URLFriendly();
// if this query has a title, and the title is missing or does not match, permanently redirect to it
if (title.HasValue() && (string.IsNullOrEmpty(slug) || slug != title))
{
string url = latest ? "/{0}/query/{1}/{3}" : "/{0}/revision/{1}/{2}/{3}";
return PageMovedPermanentlyTo(string.Format(url,
Site.TinyName.ToLower(),
revision.QuerySet.Id,
revision.Id,
title
) + Request.Url.Query);
}
title = revision.QuerySet.Title;
if (title.IsNullOrEmpty())
{
title = revision.Query.AsTitle();
}
SetHeader(title);
SelectMenuItem("Queries");
ViewData["GuessedUserId"] = Site.GuessUserId(CurrentUser);
// Need to revamp voting process
int totalVotes = Current.DB.Query<int>(@"
SELECT
COUNT(*)
FROM
Votes
WHERE
QuerySetId = @querySetId AND
VoteTypeId = @voteType",
new
{
querySetId = revision.QuerySet.Id,
voteType = (int)VoteType.Favorite
}
).FirstOrDefault();
var voting = new QuerySetVoting
{
TotalVotes = totalVotes,
QuerySetId = revision.QuerySet.Id,
ReadOnly = CurrentUser.IsAnonymous
};
if (!Current.User.IsAnonymous)
{
voting.HasVoted = Current.DB.Query<Vote>(@"
SELECT
*
FROM
Votes
WHERE
QuerySetId = @querySetId AND
VoteTypeId = @voteType AND
UserId = @user",
new
{
querySetId = revision.QuerySet.Id,
voteType = (int)VoteType.Favorite,
user = Current.User.Id
}
).FirstOrDefault() != null;
}
CachedResult cachedResults = QueryUtil.GetCachedResults(
new ParsedQuery(revision.Query.QueryBody, Request.Params),
Site.Id
);
ViewData["QueryVoting"] = voting;
ViewData["query_action"] = "run/" + Site.Id + "/" + revision.QuerySet.Id + "/" + revision.Id;
if (cachedResults != null)
{
// Don't show cached execution plan, since the user didn't ask for it...
cachedResults.ExecutionPlan = null;
ViewData["cached_results"] = new QueryResults
{
RevisionId = revision.Id,
QuerySetId = revision.QuerySet.Id,
SiteId = Site.Id,
SiteName = Site.TinyName.ToLower(),
Slug = revision.QuerySet.Title.URLFriendly(),
Url = Site.Url
}.WithCache(cachedResults);
}
if (!IsSearchEngine())
{
QueryViewTracker.TrackQueryView(GetRemoteIP(), revision.QuerySet.Id);
}
var initialRevision = revision.QuerySet.InitialRevision;
var viewmodel = new QueryViewerData
{
QuerySetVoting = voting,
Revision = revision
};
return View("Viewer", viewmodel);
}
[HttpPost]
[StackRoute(@"feature_query/{querySetId:\d+}")]
public ActionResult Feature(int querySetId, bool feature)
{
if (Current.User.IsAdmin)
{
var querySet = Current.DB.QuerySets.Get(querySetId);
if (querySet != null)
{
Current.DB.QuerySets.Update(querySetId, new { Featured = true });
}
}
return Content("success");
}
[HttpPost]
[StackRoute(@"skip_query/{id:\d+}")]
public ActionResult Skip(int id, bool skip)
{
if (Current.User.IsAdmin)
{
// do it
}
return Content("failed");
}
[StackRoute("{sitename}", Priority = RoutePriority.Low)]
public ActionResult IndexFallback(string sitename)
{
Site site;
TryGetSite(sitename, out site);
return site == null ? (ActionResult)PageNotFound() : RedirectPermanent(string.Format("/{0}/queries",
site.TinyName.ToLower()
));
}
[StackRoute("{sitename}/queries")]
public ActionResult Index(string sitename, string order_by, string q, int? page, int? pagesize)
{
Site site;
if (!TryGetSite(sitename, out site))
{
return site == null ? (ActionResult)PageNotFound() : RedirectPermanent(string.Format("/{0}/queries",
site.TinyName.ToLower()
));
}
Site = site;
QuerySearchCriteria searchCriteria = new QuerySearchCriteria(q);
if (string.IsNullOrEmpty(order_by))
{
if (searchCriteria.IsValid)
{
order_by = searchCriteria.IsFeatured ? "featured" : "recent";
}
else
{
order_by = CurrentUser.DefaultQuerySort ?? "featured";
}
}
if (!searchCriteria.IsValid)
{
CurrentUser.DefaultQuerySort = order_by;
}
ViewData["Site"] = Site;
SelectMenuItem("Queries");
var pagesizeProvided = pagesize.HasValue;
if (!Current.User.IsAnonymous && !pagesizeProvided)
{
pagesize = Current.User.DefaultQueryPageSize;
}
pagesize = Math.Max(Math.Min(pagesize ?? 50, 100), 10);
page = Math.Max(page ?? 1, 1);
if (!Current.User.IsAnonymous)
{
Current.User.DefaultQueryPageSize = pagesize;
}
int start = ((page.Value - 1) * pagesize.Value) + 1;
int finish = page.Value * pagesize.Value;
var builder = new SqlBuilder();
SqlBuilder.Template pager = null, counter = null;
if (order_by != "everything")
{
pager = builder.AddTemplate(@"
SELECT
*
FROM
(
SELECT
/**select**/, ROW_NUMBER() OVER(/**orderby**/) AS RowNumber
FROM
QuerySets qs
/**join**/
/**leftjoin**/
/**where**/
) AS results
WHERE
RowNumber BETWEEN @start AND @finish
ORDER BY
RowNumber",
new { start = start, finish = finish }
);
counter = builder.AddTemplate("SELECT COUNT(*) FROM QuerySets qs /**join**/ /**leftjoin**/ /**where**/");
builder.Select("qs.Id as QuerySetId");
builder.Select("qs.LastActivity AS LastRun");
builder.Join("Revisions r ON r.Id = qs.CurrentRevisionId");
builder.Join("Queries q ON q.Id = r.QueryId");
builder.LeftJoin("Users u ON qs.OwnerId = u.Id");
builder.Where("qs.Hidden = 0");
builder.Where("qs.Title is not null");
builder.Where("qs.Title <> ''");
if (order_by == "featured" || order_by == "recent")
{
if (order_by == "featured")
{
builder.Where("qs.Featured = 1");
builder.OrderBy("qs.Votes DESC");
}
builder.OrderBy("qs.LastActivity DESC");
}
else
{
int threshold = 0;
if (order_by == "popular")
{
builder.Where("qs.Views > @threshold", new { threshold = threshold });
builder.OrderBy("qs.Views DESC");
builder.OrderBy("qs.Votes DESC");
}
else
{
order_by = "favorite";
builder.Where("qs.Votes > @threshold", new { threshold = threshold });
builder.OrderBy("qs.Votes DESC");
builder.OrderBy("qs.Views DESC");
}
}
if (searchCriteria.IsValid)
{
builder.Where("qs.Title LIKE @search OR qs.[Description] LIKE @search", new { search = '%' + searchCriteria.SearchTerm + '%' });
}
}
else if (order_by == "everything")
{
pager = builder.AddTemplate(@"
SELECT
/**select**/
FROM (
SELECT r.*, ROW_NUMBER() OVER(/**orderby**/) AS RowNumber FROM Revisions r
) r
/**join**/
/**leftjoin**/
WHERE
RowNumber BETWEEN @start AND @finish
ORDER BY
RowNumber",
new { start = start, finish = finish }
);
counter = builder.AddTemplate("SELECT COUNT(*) FROM Revisions r");
builder.Select("r.Id AS RevisionId");
builder.Select("qs.Id as QuerySetId");
builder.Select("r.CreationDate AS LastRun");
builder.Join("QuerySetRevisions qr on qr.RevisionId = r.Id ");
builder.Join("QuerySets qs on qs.Id = qr.QuerySetId");
builder.Join("Queries q on q.Id = r.QueryId");
builder.LeftJoin("Users u ON r.OwnerId = u.Id");
builder.OrderBy("CreationDate DESC");
}
builder.Select("u.Id as CreatorId");
builder.Select("u.Login as CreatorLogin");
builder.Select("qs.Title AS Name");
builder.Select("qs.[Description] AS [Description]");
builder.Select("qs.Votes AS FavoriteCount");
builder.Select("qs.Views AS Views");
builder.Select("q.QueryBody AS [SQL]");
IEnumerable<QueryExecutionViewData> queries = Current.DB.Query<QueryExecutionViewData>(
pager.RawSql,
pager.Parameters
).Select(
(view) =>
{
view.SiteName = Site.TinyName.ToLower();
return view;
}
);
int total = Current.DB.Query<int>(counter.RawSql, counter.Parameters).First();
sitename = Site.TinyName.ToLower();
var href = "/" + sitename + "/queries?order_by={0}";
var extra = "";
if (searchCriteria.IsValid)
{
extra += "&q=" + HtmlUtilities.UrlEncode(searchCriteria.RawInput);
}
// TODO: This is a hack to avoid misrepresenting the fact we aren't actually doing the search in this case
if (order_by == "everything")
{
searchCriteria = new QuerySearchCriteria(null);
}
ViewData["SearchCriteria"] = searchCriteria;
ViewData["Href"] = string.Format(href, order_by) + extra;
if (Current.User.IsAnonymous && pagesizeProvided)
{
extra += "&pagesize=" + pagesize.Value;
}
SetHeader(
"All Queries",
new SubHeaderViewData
{
Description = "featured",
Title = "Interesting queries selected by the administrators",
Href = string.Format(href, "featured") + extra,
Selected = (order_by == "featured")
},
new SubHeaderViewData
{
Description = "recent",
Title = "Recently saved queries",
Href = string.Format(href, "recent") + extra,
Selected = (order_by == "recent")
},
new SubHeaderViewData
{
Description = "favorite",
Title = "Favorite saved queries",
Href = string.Format(href, "favorite") + extra,
Selected = (order_by == "favorite")
},
new SubHeaderViewData
{
Description = "popular",
Title = "Saved queries with the most views",
Href = string.Format(href, "popular") + extra,
Selected = (order_by == "popular")
},
new SubHeaderViewData
{
Description = "everything",
Title = "All queries recently executed on the site",
Href = string.Format(href, "everything") + extra,
Selected = (order_by == "everything")
}
);
return View(new PagedList<QueryExecutionViewData>(queries, page.Value, pagesize.Value, false, total));
}
}
}