コード例 #1
0
        public async Task <IEnumerable <dynamic> > GetAsync(string keywords)
        {
            var searchEngines = await _lookupRepository.ListAsync(); // Get the list of search engines from DB

            var response = new List <dynamic>();

            if (searchEngines.Any())
            {
                _logger.LogInformation($"Search Started");

                searchEngines.ToList().ForEach(x =>
                {
                    _logger.LogInformation($"Loop through the search engine = {x.Name}");

                    try
                    {
                        var sites = new List <string>();

                        for (var page = 1; page < _config.MaxPages + 1; page++)
                        {
                            _logger.LogInformation($"Search Engine = {x.Name} and Page = {page}");

                            var urls = _util.GetUrls(x.Name, page, _config.SearchPage);

                            sites.AddRange(urls);
                        }

                        if (sites.Any())
                        {
                            var filteredUrls = _util.GetFilteredUrls(sites, _config.SiteName);

                            if (filteredUrls.Any())
                            {
                                dynamic result      = new ExpandoObject();
                                result.SearchEngine = x.Name;
                                result.RankingOrder = string.Join(", ", filteredUrls);
                                response.Add(result);
                            }
                        }
                    }
                    catch (Exception ex)
                    {
                        _logger.LogError($"{nameof(SearchService)} {nameof(GetAsync)} {ex.Message}");
                    }
                });

                _logger.LogInformation($"Search Completed");
            }

            return(response);
        }