public async Task <FetchArticlesResponse> FetchArticlesBySearchQuery(string query, int pageNumber = 1, int pageSize = Constants.DefaultArticlesPageSize)
{
var result = new FetchArticlesResponse(pageNumber, pageSize);
if (string.IsNullOrWhiteSpace(query))
{
return(result);
}
var request = new ArticlesRequest
{
Query = query,
Country = Countries.US,
Language = Languages.EN,
Page = pageNumber,
PageSize = pageSize,
};
var actionUrl = ToActionRelativeUrl("top-headlines", request);
var articles = await GetAsync <ArticlesResult>(actionUrl);
if (articles?.Articles != null)
{
result.Articles = articles.Articles;
result.TotalCount = articles.TotalResults;
}
return(result);
}
public async Task <FetchArticlesResponse> FetchArticlesBySource(string source, int pageNumber = 1, int pageSize = Constants.DefaultArticlesPageSize)
{
if (string.IsNullOrWhiteSpace(source))
{
throw new ArgumentNullException(nameof(source));
}
var request = new ArticlesRequest
{
Sources = new List <string> {
source
},
Language = Languages.EN,
Page = pageNumber,
PageSize = pageSize,
};
var actionUrl = ToActionRelativeUrl("top-headlines", request);
var articles = await GetAsync <ArticlesResult>(actionUrl);
var result = new FetchArticlesResponse(pageNumber, pageSize);
if (articles?.Articles != null)
{
result.Articles = articles.Articles;
result.TotalCount = articles.TotalResults;
}
return(result);
}
public async Task <FetchArticlesResponse> FetchArticlesBySource(string source, int pageNumber = 1, int pageSize = Constants.DefaultArticlesPageSize)
{
if (string.IsNullOrWhiteSpace(source))
{
throw new ArgumentNullException(nameof(source));
}
System.Diagnostics.Debug.WriteLine($"FakeNewsDataService.FetchArticlesBySource: source {source}, page {pageNumber}, pageSize {pageSize}");
// Simulate network request
await Task.Delay(1500);
var result = new FetchArticlesResponse(pageNumber, pageSize);
var resourceName = $"{GetType().Namespace}.source.{source}.json";
var prestoredResponseContent = await resourceName.ReadResourceContent();
if (!string.IsNullOrWhiteSpace(prestoredResponseContent))
{
var articles = JsonConvert.DeserializeObject <ArticlesResult>(prestoredResponseContent);
if (articles?.Articles != null)
{
result.Articles = articles.Articles.Skip((pageNumber - 1) * pageSize).Take(pageSize).ToList();
result.TotalCount = articles.Articles.Count;
}
}
System.Diagnostics.Debug.WriteLine($"FakeNewsDataService.FetchArticlesBySource loaded {result.Articles.Count} (page {result.PageNumber} | size {result.PageSize}) out of total {result.TotalCount} items");
return(result);
}
public async Task <FetchArticlesResponse> FetchArticlesByCategory(Categories?category = null, int pageNumber = 1, int pageSize = Constants.DefaultArticlesPageSize)
{
System.Diagnostics.Debug.WriteLine($"FakeNewsDataService.FetchArticlesByCategory: categrory {category}, page {pageNumber}, pageSize {pageSize}");
// Simulate network request
await Task.Delay(1500);
var result = new FetchArticlesResponse(pageNumber, pageSize);
var resourceName = $"{GetType().Namespace}.category.{category?.ToString().ToLower() ?? "all"}.json";
var prestoredResponseContent = await resourceName.ReadResourceContent();
if (!string.IsNullOrWhiteSpace(prestoredResponseContent))
{
var articles = JsonConvert.DeserializeObject <ArticlesResult>(prestoredResponseContent);
if (articles?.Articles != null)
{
result.Articles = articles.Articles.Skip((pageNumber - 1) * pageSize).Take(pageSize).ToList();
result.TotalCount = articles.Articles.Count;
}
}
System.Diagnostics.Debug.WriteLine($"FakeNewsDataService.FetchArticlesByCategory loaded {result.Articles.Count} (page {result.PageNumber} | size {result.PageSize}) out of total {result.TotalCount} items");
return(result);
}
public async Task <FetchArticlesResponse> FetchArticlesByCategory(Categories?category = null, int pageNumber = 1, int pageSize = Constants.DefaultArticlesPageSize)
{
var request = new ArticlesRequest
{
Country = Countries.US,
Language = Languages.EN,
Category = category,
Page = pageNumber,
PageSize = pageSize,
};
var actionUrl = ToActionRelativeUrl("top-headlines", request);
var articles = await GetAsync <ArticlesResult>(actionUrl);
var result = new FetchArticlesResponse(pageNumber, pageSize);
if (articles?.Articles != null)
{
result.Articles = articles.Articles;
result.TotalCount = articles.TotalResults;
}
return(result);
}