public async Task<ActionResult> Index(string q = null, int p = 1)
{
ViewBag.Query = q;
ViewBag.Title = string.Format("「{0}」の検索結果", q);
var model = new SearchResultModel {Query = q};
var condition = new SearchCondition(q);
try
{
var skip = MaxItemsOnPage * (p - 1);
var ids = await _searchService.SearchItemIdAsync(condition);
var count = ids.Count();
ViewBag.CurrentPage = p;
ViewBag.HasPreviousPage = (p > 1);
ViewBag.HasNextPage = (count > MaxItemsOnPage * p);
var items = await _itemDbCommand.GetByIdsAsync(ids, skip, MaxItemsOnPage);
model.Items = Mapper.Map<IEnumerable<ItemIndexModel>>(items);
}
catch (Exception exception)
{
_logger.Error(exception);
model.HasSearchServiceError = true;
}
return View(model);
}
public async Task<string[]> SearchItemIdAsync(SearchCondition condition, CancellationToken cancellationToken)
{
var node = new Uri(_config.ElasticsearchNode);
dynamic query = new ExpandoObject();
query.fields = new string[]{};
query.query = new
{
simple_query_string = new
{
fields = new[] {"title", "body"},
query = string.Join(" ", condition.KeyWords),
default_operator = "and"
}
};
if (!condition.IncluidePrivate)
{
query.filter = new
{
term = new
{
isPublic = true
}
};
}
using (var content = new StringContent(JsonConvert.SerializeObject(query)))
using (var client = new HttpClient {BaseAddress = node})
using (var responce = await client.PostAsync(string.Format("{0}/_search", _config.ElasticsearchIndex), content, cancellationToken).ConfigureAwait(false))
{
responce.EnsureSuccessStatusCode();
var resJson = await responce.Content.ReadAsStringAsync().ConfigureAwait(false);
var res = JObject.Parse(resJson);
var hits = res["hits"]["hits"];
var ids = hits.Select(x => (string)x["_id"]);
return ids.ToArray();
}
}
public Task<string[]> SearchItemIdAsync(SearchCondition condition)
{
return SearchItemIdAsync(condition, CancellationToken.None);
}
