public Task <DailyTrendDataViewModel> GetTrendDataForTermAsync(string searchTerm)
{
if (string.IsNullOrWhiteSpace(searchTerm))
{
throw new ArgumentException("Search term cannot be null or empty", nameof(searchTerm));
}
var countsByDay = postCountsCache.Get();
if (!resultsCache.TryGet(searchTerm, out var cached))
{
var searchResults = indexManager.Search(searchTerm);
var counts = new List <ushort>();
var maxCount = 0;
for (var i = 0; i < countsByDay.Days.Count; i++)
{
var date = countsByDay.Days[i];
var onDate = searchResults.Count(x => x.Date.Date == date.Date);
counts.Add((ushort)onDate);
if (onDate > maxCount)
{
maxCount = onDate;
}
}
cached = new CachedResult
{
Counts = counts,
MaxCount = maxCount
};
if (searchResults.Count > 1000)
{
resultsCache.Cache(searchTerm, cached);
}
}
var result = new DailyTrendDataViewModel
{
Counts = cached.Counts,
Start = countsByDay.Min,
End = countsByDay.Max,
CountMax = cached.MaxCount,
DailyTotals = countsByDay.PostsPerDay
};
return(Task.FromResult(result));
}
public async Task <DailyTrendDataViewModel> GetTrendDataForTermAsync(string searchTerm)
{
if (string.IsNullOrWhiteSpace(searchTerm))
{
throw new ArgumentException("Search term cannot be null or empty", nameof(searchTerm));
}
var countsByDay = postCountsCache.Get();
if (!resultsCache.TryGet(searchTerm, out var cached))
{
var searchResults = await Search(searchTerm);
var counts = new List <ushort>();
var scores = new List <int>();
var maxCount = 0;
for (var i = 0; i < countsByDay.Days.Count; i++)
{
var date = countsByDay.Days[i];
scores.Add(0);
counts.Add(0);
var onDate = searchResults.Where(x => x.Date.Date == date.Date);
var count = 0;
foreach (var locatedEntry in onDate)
{
scores[i] += locatedEntry.Score;
count++;
}
counts[i] = (ushort)count;
if (count > maxCount)
{
maxCount = count;
}
}
cached = new CachedResult
{
Counts = counts,
MaxCount = maxCount,
Scores = scores
};
if (searchResults.Count > 1000)
{
resultsCache.Cache(searchTerm, cached);
}
}
var result = new DailyTrendDataViewModel
{
Counts = cached.Counts,
Start = countsByDay.Min,
End = countsByDay.Max,
CountMax = cached.MaxCount,
DailyTotals = countsByDay.PostsPerDay,
Scores = cached.Scores
};
return(result);
}