Add searching logic to GetBrowseAdsPage()

infoshareacademy · Jun 19, 2024 · 4c0e275 · 4c0e275
1 parent fcefafa
commit 4c0e275
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Showing 2 changed files with 121 additions and 14 deletions.
diff --git a/Tests/TutorLizard.BusinessLogic.Tests/Services/Browse/BrowseServiceGetBrowseAdsPageTests.cs b/Tests/TutorLizard.BusinessLogic.Tests/Services/Browse/BrowseServiceGetBrowseAdsPageTests.cs
@@ -114,6 +114,7 @@ public async Task GetBrowseAdsPage_WhenRequestIsValid_ShouldReturnCorrectAds(int
 
  int expectedAdsSkipped = (pageNumber - 1) * pageSize;
  List<Ad> expectedAds = ads
+ .OrderBy(ad => ad.DateCreated)
  .Skip(expectedAdsSkipped)
  .Take(pageSize)
  .ToList();

diff --git a/TutorLizard.BusinessLogic/Services/BrowseService.cs b/TutorLizard.BusinessLogic/Services/BrowseService.cs
@@ -32,21 +32,11 @@ public async Task<GetBrowseAdsPageResponse> GetBrowseAdsPage(GetBrowseAdsPageReq
  };
  }
 
- int adCount = await _adRepository.GetAll()
- .CountAsync();
+ IQueryable<Ad> adsQuery = ApplySearchCriteria(_adRepository.GetAll(), request.SearchCriteria);
+ int totalPages = await GetTotalPagesCount(adsQuery, request);
+ adsQuery = ApplyPagination(adsQuery, request, totalPages);
 
- int totalPages = adCount / request.PageSize;
- if (adCount == 0 || adCount % request.PageSize != 0)
- {
- totalPages++;
- }
-
- request.PageNumber = Math.Min(request.PageNumber, totalPages);
-
- int resultsToSkip = Math.Max((request.PageNumber - 1) * request.PageSize, 0);
- List<AdListItemDto> ads = await _adRepository.GetAll()
- .Skip(resultsToSkip)
- .Take(request.PageSize)
+ List<AdListItemDto> ads = await adsQuery
  .Select(ad => new AdListItemDto()
  {
  Id = ad.Id,
@@ -147,4 +137,120 @@ public async Task<GetUsersScheduleResponse> GetUsersSchedule(GetUsersScheduleReq
 
  return response;
  }
+ private IQueryable<Ad> ApplySearchCriteria(IQueryable<Ad> ads, AdSearchCriteriaDto searchCriteria)
+ {
+ ads = ApplySearchByText(ads, searchCriteria.Text);
+ ads = ApplySearchByPriceMin(ads, searchCriteria.PriceMin);
+ ads = ApplySearchByPriceMax(ads, searchCriteria.PriceMax);
+ ads = ApplySearchByLocation(ads, searchCriteria.Location);
+ ads = ApplySearchByIsRemote(ads, searchCriteria.IsRemote);
+ ads = ApplySearchByCategoryId(ads, searchCriteria.CategoryId);
+
+ return ads;
+ }
+
+ private IQueryable<Ad> ApplySearchByText(IQueryable<Ad> ads, string? text)
+ {
+ if (text is null)
+ {
+ return ads;
+ }
+
+ text = text.ToLower();
+
+ ads = ads.Where(ad =>
+ ad.Title.ToLower().Contains(text) ||
+ ad.Subject.ToLower().Contains(text) ||
+ ad.Description.ToLower().Contains(text));
+
+ return ads;
+ }
+
+ private IQueryable<Ad> ApplySearchByPriceMin(IQueryable<Ad> ads, decimal? priceMin)
+ {
+ if (priceMin is null)
+ {
+ return ads;
+ }
+
+ ads = ads.Where(ad => ad.Price >= priceMin);
+
+ return ads;
+ }
+
+ private IQueryable<Ad> ApplySearchByPriceMax(IQueryable<Ad> ads, decimal? priceMax)
+ {
+ if (priceMax is null)
+ {
+ return ads;
+ }
+
+ ads = ads.Where(ad => ad.Price <= priceMax);
+
+ return ads;
+ }
+
+ private IQueryable<Ad> ApplySearchByLocation(IQueryable<Ad> ads, string? location)
+ {
+ if (location is null)
+ {
+ return ads;
+ }
+
+ location = location.ToLower();
+
+ ads = ads.Where(ad => ad.Location.ToLower().Contains(location));
+
+ return ads;
+ }
+
+ private IQueryable<Ad> ApplySearchByIsRemote(IQueryable<Ad> ads, bool? isRemote)
+ {
+ if (isRemote is null)
+ {
+ return ads;
+ }
+
+ ads = ads.Where(ad => ad.IsRemote == isRemote);
+
+ return ads;
+ }
+
+ private IQueryable<Ad> ApplySearchByCategoryId(IQueryable<Ad> ads, int? categoryId)
+ {
+ if (categoryId is null)
+ {
+ return ads;
+ }
+
+ ads = ads.Where(ad => ad.CategoryId == categoryId);
+
+ return ads;
+ }
+
+ private async Task<int> GetTotalPagesCount(IQueryable<Ad> ads, GetBrowseAdsPageRequest request)
+ {
+ int adCount = await ads.CountAsync();
+
+ int totalPages = adCount / request.PageSize;
+ if (adCount == 0 || adCount % request.PageSize != 0)
+ {
+ totalPages++;
+ }
+
+ return totalPages;
+ }
+ private IQueryable<Ad> ApplyPagination(IQueryable<Ad> ads, GetBrowseAdsPageRequest request, int totalPages)
+ {
+ request.PageNumber = Math.Min(request.PageNumber, totalPages);
+
+ int resultsToSkip = Math.Max((request.PageNumber - 1) * request.PageSize, 0);
+
+ ads = ads
+ .OrderBy(ad => ad.DateCreated)
+ .Skip(resultsToSkip)
+ .Take(request.PageSize);
+
+ return ads;
+ }
 }