/// <summary>
/// 分页根据显示获取文章
/// </summary>
/// <param name="limit"></param>
/// <param name="pageIndex"></param>
/// <param name="categoryId"></param>
/// <param name="isShow"></param>
/// <param name="title"></param>
/// <returns></returns>
public async Task <PageDTO <ArticleDTO> > GetArticleListByCategoryIdAsync(int limit, int pageIndex, int categoryId,
bool isShow, string title)
{
Expression <Func <ArticleEntity, bool> > expression = t => true;
if (isShow)
{
expression = expression.And(ac => ac.isShow);
}
if (!string.IsNullOrEmpty(title))
{
expression = expression.And(ac => ac.title.Contains(title));
}
if (categoryId > 0)
{
expression = expression.And(ac => ac.categoryId == categoryId);
}
var articles = ArticleRepository.GetModelsByPage(limit, pageIndex, false,
a => a.lastUpdateDate, expression,
out var pageCount);
var articleDtoList = Mapper.Map <List <ArticleDTO> >(articles
.Include(t => t.category).ToList());
foreach (var articleDto in articleDtoList)
{
articleDto.tags = await ArticleTagService.GetTagListByArticleIdAsync(articleDto.id);
articleDto.content = StringHelper.ReplaceTag(articleDto.content, 500);
}
return(new PageDTO <ArticleDTO>(limit,
pageIndex,
pageCount,
articleDtoList));
}
/// <summary>
/// 根据文章id获取文章DTO
/// </summary>
/// <param name="articleId">文章编码</param>
/// <param name="isShow">是否显示</param>
/// <param name="addVisit">是否添加浏览数</param>
/// <returns></returns>
public async Task <ArticleDTO> GetArticleByIdAsync(int articleId, bool isShow, bool addVisit)
{
ArticleEntity article;
if (isShow)
{
article = await ArticleRepository.GetSingleModelAsync(a => a.id == articleId && a.isShow);
}
else
{
article = await ArticleRepository.GetSingleModelAsync(a => a.id == articleId);
}
if (article == null)
{
throw new Exception("未找到文章");
}
if (addVisit)
{
await AddArticleVisitAsync(article);
}
var articleDto = Mapper.Map <ArticleDTO>(article);
articleDto.category = await CategoryService.GetCategoryByIdAsync(articleDto.categoryId);
articleDto.tags = await ArticleTagService.GetTagListByArticleIdAsync(articleId);
return(articleDto);
}
/// <summary>
/// 根据文章标题模糊查询
/// </summary>
/// <param name="dimTitle"></param>
/// <param name="isShow"></param>
/// <returns></returns>
public async Task <List <ArticleDTO> > GetArticlesByDimTitleAsync(string dimTitle, bool isShow)
{
var articles = ArticleRepository.GetModels(a =>
a.title.Contains(dimTitle) && isShow ? a.isShow == true : a.id > 0).Include(c => c.category);
var articleDtoList = Mapper.Map <List <ArticleDTO> >(articles.ToList().Where(a => a.isShow));
foreach (var articleDto in articleDtoList)
{
articleDto.tags = await ArticleTagService.GetTagListByArticleIdAsync(articleDto.id);
articleDto.content = StringHelper.ReplaceTag(articleDto.content, 500);
}
return(articleDtoList);
}
