public async void Init(string searchParams)
{
_searchParams = JsonConvert.DeserializeObject<SearchParams>(searchParams);
DataLoader.IsLoadingForTheFirstTime = true;
await DataLoader.LoadItemsAsync(LoadItems);
}
public SearchParams(SearchParams copy)
{
SearchQuery = copy.SearchQuery;
HasQuestion = copy.HasQuestion;
HasAnswer = copy.HasAnswer;
HasPassCriteria = copy.HasPassCriteria;
HasComment = copy.HasComment;
HasSourse = copy.HasSourse;
HasAuthors = copy.HasAuthors;
AllWords = copy.AllWords;
AnyWord = copy.AnyWord;
Limit = copy.Limit;
Type = copy.Type;
EndDate = copy.EndDate;
StartDate = copy.StartDate;
SearchAmongQuestions = copy.SearchAmongQuestions;
SearchAmongTours = copy.SearchAmongTours;
SearchAmongUnsorted = copy.SearchAmongUnsorted;
}
public bool Equals(SearchParams other)
{
if (ReferenceEquals(null, other))
return false;
if (ReferenceEquals(this, other))
return true;
return string.Equals(SearchQuery, other.SearchQuery)
&& string.Equals(Type, other.Type)
&& HasQuestion == other.HasQuestion
&& HasAnswer == other.HasAnswer
&& HasPassCriteria == other.HasPassCriteria
&& HasComment == other.HasComment
&& HasSourse == other.HasSourse
&& HasAuthors == other.HasAuthors
&& AnyWord == other.AnyWord
&& AllWords == other.AllWords
&& SearchAmongQuestions == other.SearchAmongQuestions
&& SearchAmongTours == other.SearchAmongTours
&& SearchAmongUnsorted == other.SearchAmongUnsorted
&& DateTime.Equals(StartDate, other.StartDate)
&& DateTime.Equals(EndDate, other.EndDate);
}
public async Task<List<ISearchQuestionsResult>> SearchQuestions(SearchParams searchParams, CancellationToken cancellationToken)
{
if (cashedSearch != null && cashedSearch.Item1.Equals(searchParams) && cashedSearch.Item1.Page >= searchParams.Page)
{
return cashedSearch.Item2;
}
PreLoad(cancellationToken);
string url = "xml/search/questions/"
+ Uri.EscapeUriString(searchParams.SearchQuery) + "/"
+ (searchParams.AnyWord ? "any_word/" : "")
+ searchParams.Type + "/"
+ (searchParams.HasQuestion ? "Q" : "") + (searchParams.HasAnswer ? "A" : "") + (searchParams.HasPassCriteria ? "Z" : "") + (searchParams.HasComment ? "C" : "") + (searchParams.HasSourse ? "S" : "") + (searchParams.HasAuthors ? "U" : "") + "/"
+ "from_" + searchParams.StartDate.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture) + "/"
+ "to_" + searchParams.EndDate.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture) + "/"
+ "limit" + searchParams.Limit
+ "?page=" + searchParams.Page;
var searchResults = await _simpleRestService.GetAsync<SearchResultsDto>(host, url,
new XmlDeserializer<SearchResultsDto>(), cancellationToken);
var questions = searchResults.questions.Select(dto => dto.ToModel()).ToList();
if (cashedSearch != null && cashedSearch.Item1.Equals(searchParams))
{
cashedSearch.Item1.Page = searchParams.Page;
cashedSearch.Item2.AddRange(questions);
questions = cashedSearch.Item2;
}
else
{
cashedSearch = Tuple.Create<SearchParams, List<ISearchQuestionsResult>>(new SearchParams(searchParams), new List<ISearchQuestionsResult>(questions));
}
return questions;
}
public SearchParamsViewModel()
{
Title = StringResources.Search;
SearchParams = new SearchParams();
}
