update

src/CMSMicroservice.Application/CategoryCQ/Queries/GetAllCategoryByFilter/GetAllCategoryByFilterQuery.cs

@@ -0,0 +1,31 @@
+namespace CMSMicroservice.Application.CategoryCQ.Queries.GetAllCategoryByFilter;
+public record GetAllCategoryByFilterQuery : IRequest<GetAllCategoryByFilterResponseDto>
+{
+    //موقعیت صفحه بندی 
+    public PaginationState? PaginationState { get; init; }
+    //مرتب سازی بر اساس 
+    public string? SortBy { get; init; }
+    //فیلتر 
+    public GetAllCategoryByFilterFilter? Filter { get; init; }
+
+}
+public class GetAllCategoryByFilterFilter
+{
+    //شناسه 
+    public long? Id { get; set; }
+    //نام لاتین 
+    public string? Name { get; set; }
+    //عنوان 
+    public string? Title { get; set; }
+    //توضیحات 
+    public string? Description { get; set; }
+    //آدرس تصویر 
+    public string? ImagePath { get; set; }
+    //شناسه والد 
+    public long? ParentId { get; set; }
+    //فعال؟ 
+    public bool? IsActive { get; set; }
+    //ترتیب نمایش 
+    public int? SortOrder { get; set; }
+}
+

src/CMSMicroservice.Application/CategoryCQ/Queries/GetAllCategoryByFilter/GetAllCategoryByFilterQueryHandler.cs

@@ -0,0 +1,38 @@
+namespace CMSMicroservice.Application.CategoryCQ.Queries.GetAllCategoryByFilter;
+public class GetAllCategoryByFilterQueryHandler : IRequestHandler<GetAllCategoryByFilterQuery, GetAllCategoryByFilterResponseDto>
+{
+    private readonly IApplicationDbContext _context;
+
+    public GetAllCategoryByFilterQueryHandler(IApplicationDbContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<GetAllCategoryByFilterResponseDto> Handle(GetAllCategoryByFilterQuery request, CancellationToken cancellationToken)
+    {
+        var query = _context.Categories
+            .ApplyOrder(sortBy: request.SortBy)
+            .AsNoTracking()
+            .AsQueryable();
+        if (request.Filter is not null)
+        {
+            query = query
+                .Where(x => request.Filter.Id == null || x.Id == request.Filter.Id)
+                .Where(x => request.Filter.Name == null || x.Name.Contains(request.Filter.Name))
+                .Where(x => request.Filter.Title == null || x.Title.Contains(request.Filter.Title))
+                .Where(x => request.Filter.Description == null || (x.Description != null && x.Description.Contains(request.Filter.Description)))
+                .Where(x => request.Filter.ImagePath == null || (x.ImagePath != null && x.ImagePath.Contains(request.Filter.ImagePath)))
+                .Where(x => request.Filter.ParentId == null || x.ParentId == request.Filter.ParentId)
+                .Where(x => request.Filter.IsActive == null || x.IsActive == request.Filter.IsActive)
+                .Where(x => request.Filter.SortOrder == null || x.SortOrder == request.Filter.SortOrder)
+;
+        }
+        return new GetAllCategoryByFilterResponseDto
+        {
+            MetaData = await query.GetMetaData(request.PaginationState, cancellationToken),
+            Models = await query.PaginatedListAsync(paginationState: request.PaginationState)
+                .ProjectToType<GetAllCategoryByFilterResponseModel>().ToListAsync(cancellationToken)
+        };        
+    }
+}
+

src/CMSMicroservice.Application/CategoryCQ/Queries/GetAllCategoryByFilter/GetAllCategoryByFilterQueryValidator.cs

@@ -0,0 +1,15 @@
+namespace CMSMicroservice.Application.CategoryCQ.Queries.GetAllCategoryByFilter;
+public class GetAllCategoryByFilterQueryValidator : AbstractValidator<GetAllCategoryByFilterQuery>
+{
+    public GetAllCategoryByFilterQueryValidator()
+    {
+    }
+    public Func<object, string, Task<IEnumerable<string>>> ValidateValue => async (model, propertyName) =>
+    {
+        var result = await ValidateAsync(ValidationContext<GetAllCategoryByFilterQuery>.CreateWithOptions((GetAllCategoryByFilterQuery)model, x => x.IncludeProperties(propertyName)));
+        if (result.IsValid)
+            return Array.Empty<string>();
+        return result.Errors.Select(e => e.ErrorMessage);
+    };
+}
+

src/CMSMicroservice.Application/CategoryCQ/Queries/GetAllCategoryByFilter/GetAllCategoryByFilterResponseDto.cs

@@ -0,0 +1,29 @@
+namespace CMSMicroservice.Application.CategoryCQ.Queries.GetAllCategoryByFilter;
+public class GetAllCategoryByFilterResponseDto
+{
+    //متادیتا 
+    public MetaData MetaData { get; set; }
+    //مدل خروجی 
+    public List<GetAllCategoryByFilterResponseModel>? Models { get; set; }
+
+}
+public class GetAllCategoryByFilterResponseModel
+{
+    //شناسه 
+    public long Id { get; set; }
+    //نام لاتین 
+    public string Name { get; set; }
+    //عنوان 
+    public string Title { get; set; }
+    //توضیحات 
+    public string? Description { get; set; }
+    //آدرس تصویر 
+    public string? ImagePath { get; set; }
+    //شناسه والد 
+    public long? ParentId { get; set; }
+    //فعال؟ 
+    public bool IsActive { get; set; }
+    //ترتیب نمایش 
+    public int SortOrder { get; set; }
+}
+

src/CMSMicroservice.Application/CategoryCQ/Queries/GetCategory/GetCategoryQuery.cs

@@ -0,0 +1,8 @@
+namespace CMSMicroservice.Application.CategoryCQ.Queries.GetCategory;
+public record GetCategoryQuery : IRequest<GetCategoryResponseDto>
+{
+    //شناسه 
+    public long Id { get; init; }
+
+}
+

src/CMSMicroservice.Application/CategoryCQ/Queries/GetCategory/GetCategoryQueryHandler.cs

@@ -0,0 +1,23 @@
+namespace CMSMicroservice.Application.CategoryCQ.Queries.GetCategory;
+public class GetCategoryQueryHandler : IRequestHandler<GetCategoryQuery, GetCategoryResponseDto>
+{
+    private readonly IApplicationDbContext _context;
+
+    public GetCategoryQueryHandler(IApplicationDbContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<GetCategoryResponseDto> Handle(GetCategoryQuery request,
+        CancellationToken cancellationToken)
+    {
+        var response = await _context.Categories
+            .AsNoTracking()
+            .Where(x => x.Id == request.Id)
+            .ProjectToType<GetCategoryResponseDto>()
+            .FirstOrDefaultAsync(cancellationToken);
+
+        return response ?? throw new NotFoundException(nameof(Category), request.Id);
+    }
+}
+

src/CMSMicroservice.Application/CategoryCQ/Queries/GetCategory/GetCategoryQueryValidator.cs

@@ -0,0 +1,17 @@
+namespace CMSMicroservice.Application.CategoryCQ.Queries.GetCategory;
+public class GetCategoryQueryValidator : AbstractValidator<GetCategoryQuery>
+{
+    public GetCategoryQueryValidator()
+    {
+        RuleFor(model => model.Id)
+            .NotNull();
+    }
+    public Func<object, string, Task<IEnumerable<string>>> ValidateValue => async (model, propertyName) =>
+    {
+        var result = await ValidateAsync(ValidationContext<GetCategoryQuery>.CreateWithOptions((GetCategoryQuery)model, x => x.IncludeProperties(propertyName)));
+        if (result.IsValid)
+            return Array.Empty<string>();
+        return result.Errors.Select(e => e.ErrorMessage);
+    };
+}
+

src/CMSMicroservice.Application/CategoryCQ/Queries/GetCategory/GetCategoryResponseDto.cs

@@ -0,0 +1,22 @@
+namespace CMSMicroservice.Application.CategoryCQ.Queries.GetCategory;
+public class GetCategoryResponseDto
+{
+    //شناسه 
+    public long Id { get; set; }
+    //نام لاتین 
+    public string Name { get; set; }
+    //عنوان 
+    public string Title { get; set; }
+    //توضیحات 
+    public string? Description { get; set; }
+    //آدرس تصویر 
+    public string? ImagePath { get; set; }
+    //شناسه والد 
+    public long? ParentId { get; set; }
+    //فعال؟ 
+    public bool IsActive { get; set; }
+    //ترتیب نمایش 
+    public int SortOrder { get; set; }
+
+}
+