omega_source/Services/DatabaseFieldService.cs

using Attribute;
using Model;
using Model.Base;
using Repository;
using Service;
using Microsoft.AspNetCore.Mvc;
using Vo.Admin;


namespace Services
{
    /// <summary>
    /// 数据字段Service业务层处理
    /// </summary>
    [AppService(ServiceType = typeof(IDatabaseFieldService), ServiceLifetime = LifeTime.Transient)]
    public class DatabaseFieldService : BaseService<DatabaseField>, IDatabaseFieldService
    {
        /// <summary>
        /// 数据字段-列表
        /// </summary>
        /// <param name="param">参数请求体</param>
        /// <param name="page">分页参数</param>
        /// <returns>列表</returns>
        public PagedInfo<GetDatabaseFieldListVo> getDatabaseFieldList([FromQuery] PagerInfo page, [FromQuery] DatabaseField param)
        {
            //拼装查询条件
            var predicate = Expressionable.Create<DatabaseField>();
            predicate = predicate.AndIF(param.databaseId > 0, m => m.databaseId == param.databaseId);
            predicate = predicate.AndIF(param.tableId > 0, m => m.tableId == param.tableId);
            predicate = predicate.AndIF(param.tabId > 0, m => m.tabId == param.tabId);
            predicate = predicate.AndIF(!string.IsNullOrEmpty(param.fieldTitle), m => m.fieldTitle.Contains(param.fieldTitle));
            predicate = predicate.AndIF(!string.IsNullOrEmpty(param.fieldName), m => m.fieldName.Contains(param.fieldName));
            predicate = predicate.AndIF(!string.IsNullOrEmpty(param.fieldType), m => m.fieldType.Contains(param.fieldType));
            var response = Queryable()
                .Where(predicate.ToExpression())
                .OrderByDescending(m => m.id)
                .ToPage<DatabaseField, GetDatabaseFieldListVo>(page);
            return response;
        }



    }
}