public IActionResult SearchProblems([FromForm] ProblemSearch search)
{
var li = _Repository.GetAllProblems();
var tags = search.Tags.Trim().Split(' ', StringSplitOptions.RemoveEmptyEntries);
if (!string.IsNullOrEmpty(search.ProblemDescription))
{
// 先筛有题目描述的题
li = li.Where(p => !string.IsNullOrEmpty(p.ProblemDescription));
li = li.OrderByDescending(p =>
{
var tagW = SimilarityTool.TagSim(p.Tags, tags);
var desW = SimilarityTool.LDistanceSim(search.ProblemDescription, p.ProblemDescription);
return(SimilarityTool.CalculateWeight(tagW, desW));
});
}
else
{
// 没有题目描述
li = li.OrderByDescending(p => SimilarityTool.TagSim(p.Tags, tags));
}
_Logger.LogInformation("Successfully search!");
return(Ok(li));
}
