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src/MapsDb/DataService/BusStopDs.cs 8.15 KB
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  using System;
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  using System.Collections.Generic;
  using System.Linq;
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  using System.Reflection;
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  using System.Text.RegularExpressions;
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  using System.Threading.Tasks;
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  using AutoMapper;
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  using MapsDb.Interfaces;
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  using MapsDb.Models;
  using MapsModels.DsModels;
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  using Microsoft.EntityFrameworkCore;
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  namespace MapsDb.DataService
  {
      public class BusStopDs : IBusStopDs
      {
          private PostgresDbContext _context;
          public BusStopDs(){
              _context = new PostgresDbContext();
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              Mapper.Initialize(cnf => {
                  cnf.CreateMap<BusStop, BusStopEditDsM>();
                  cnf.CreateMap<BusStopEditDsM, BusStop>();
              });
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          }
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          public Task<IList<BusStopEditDsM>> GetIndexListAsync(PaginationDsM pagination){
              return Task.Factory.StartNew(()=> { return GetAllBusStop(pagination); });
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          }
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          private IList<BusStopEditDsM> GetAllBusStop(PaginationDsM pagination)
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          {
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              var filter =  pagination.filter;
  
              IQueryable<BusStop> data = _context.BusStop
              .Include(d=>d.Road)
              .Include(d=>d.Region)
              .Include(d=>d.SurfaceType)
              .Include(d=>d.StateCommon);
              data = Filtering(pagination.filter, data);
              //.Where(d => d.Region.Name == filter);
  
              IQueryable<BusStopEditDsM> result = data
              .Select(BusStop => Mapper.Map<BusStopEditDsM>(BusStop))
              .Skip(pagination.from)
              .Take(pagination.perPage);
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              switch (pagination.orderType())
              {
                  case "ASC":
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                      return result.OrderBy(i => i.GetType().GetProperty(pagination.sort).GetValue(i, null)).ToList();
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                  case "DESC":
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                      return result.OrderByDescending(i => i.GetType().GetProperty(pagination.sort).GetValue(i, null)).ToList();
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                  default:
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                      return result.OrderByDescending(i => i.Id).ToList();
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              }
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          }
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          public Task<BusStop> CreateAsync(BusStopEditDsM data){
                return Task.Factory.StartNew(()=> { return Create(data); });
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          }
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          private BusStop Create(BusStopEditDsM data)
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          {
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              BusStop Model = InsertModel(data);
              _context.BusStop.Add(Model);
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              _context.SaveChanges();
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              return Model;
          }
          public Task<BusStop> UpdateAsync(BusStopEditDsM data, int id){
              return Task.Factory.StartNew(()=> { return Update(data, id); });
          }
          private BusStop Update(BusStopEditDsM data, int id)
          {   
              BusStop Model = InsertModel(data);
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              Model.Id = id;
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              _context.BusStop.Update(Model);
              _context.SaveChanges();
              return Model;
          }
          public BusStop InsertModel(BusStopEditDsM data){
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              BusStop Model = Mapper.Map<BusStop>(data);
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              return Model;
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          }
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          public IQueryable<BusStop> Filtering(string filters, IQueryable<BusStop> data){
              if(filters != null){
                 string[] FilterWords = filters.Split(';').Where(x => !string.IsNullOrEmpty(x)).ToArray();
                  foreach(string word in FilterWords){
                      string[] filter = Regex.Split(word.Substring(1), "(.*)_(.*)");
                      if(filter.Length < 3 ){
                          continue;
                      }
                      string field = char.ToUpper(filter[1][0]) + filter[1].Substring(1);
                      if(word.StartsWith("$")){
                          data = FilterByEndWith(field, filter[2], data);
                      }
                      else if(word.StartsWith("^")){
                          data = FilterByStartWith(field, filter[2], data);
                      }
                      else if(word.StartsWith("*")){
                          data = FilterByComtains(field, filter[2], data);
                      }
                      else if(word.StartsWith("!")){
                          data = FilterByNotEquals(field, filter[2], data);
                      }
                      else if(word.StartsWith("=")){
                          data = FilterByEquals(field, filter[2], data);
                      }
                  }
              
              }
              return data;
          }
          public IQueryable<BusStop> FilterByComtains(string field, string param, IQueryable<BusStop> data){
              switch(field){
                  case "RoadId":
                      return data.Where(i => i.Road.Name.Contains(param) );
                  case "RegionId":
                      return data.Where(i => i.Region.Name.Contains(param) );
                  case "SurfaceTypeId":
                      return data.Where(i => i.SurfaceType.Name.Contains(param) );
                  case "StateCommonId":
                      return data.Where(i => i.StateCommon.Value.Contains(param) );
                  default:
                      return data.Where(i => Convert.ToString(i.GetType().GetProperty(field).GetValue(i, null)).Contains(param) );
              }
          }
          public IQueryable<BusStop> FilterByEquals(string field, string param, IQueryable<BusStop> data){
              switch(field){
                  case "RoadId":
                      return data.Where(i => i.Road.Name == param );
                  case "RegionId":
                      return data.Where(i => i.Region.Name == param );
                  case "SurfaceTypeId":
                      return data.Where(i => i.SurfaceType.Name == param );
                  case "StateCommonId":
                      return data.Where(i => i.StateCommon.Value == param );
                  default:
                  return data.Where(i => Convert.ToString(i.GetType().GetProperty(field).GetValue(i, null)) == param );
              }
  
          }
          public IQueryable<BusStop> FilterByNotEquals(string field, string param, IQueryable<BusStop> data){
             switch(field){
                  case "RoadId":
                      return data.Where(i => i.Road.Name != param );
                  case "RegionId":
                      return data.Where(i => i.Region.Name != param );
                  case "SurfaceTypeId":
                      return data.Where(i => i.SurfaceType.Name != param );
                  case "StateCommonId":
                      return data.Where(i => i.StateCommon.Value != param );
                  default:
                  return data.Where(i => Convert.ToString(i.GetType().GetProperty(field).GetValue(i, null)) != param );
              }
          }
          public IQueryable<BusStop> FilterByStartWith(string field, string param, IQueryable<BusStop> data){
              switch(field){
                  case "RoadId":
                      return data.Where(i => i.Road.Name.StartsWith(param) );
                  case "RegionId":
                      return data.Where(i => i.Region.Name.StartsWith(param) );
                  case "SurfaceTypeId":
                      return data.Where(i => i.SurfaceType.Name.StartsWith(param) );
                  case "StateCommonId":
                      return data.Where(i => i.StateCommon.Value.StartsWith(param) );
                  default:
                  return data.Where(i => Convert.ToString(i.GetType().GetProperty(field).GetValue(i, null)).StartsWith(param) );
              }
          }
          public IQueryable<BusStop> FilterByEndWith(string field, string param, IQueryable<BusStop> data){
            switch(field){
                  case "RoadId":
                      return data.Where(i => i.Road.Name.EndsWith(param) );
                  case "RegionId":
                      return data.Where(i => i.Region.Name.EndsWith(param) );
                  case "SurfaceTypeId":
                      return data.Where(i => i.SurfaceType.Name.EndsWith(param) );
                  case "StateCommonId":
                      return data.Where(i => i.StateCommon.Value.EndsWith(param) );
                  default:
                  return data.Where(i => Convert.ToString(i.GetType().GetProperty(field).GetValue(i, null)).EndsWith(param) );
              }
          }
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          public async Task<int> DeleteAsync(int Id)
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          {
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              var busStop = await _context.BusStop.SingleOrDefaultAsync(x => x.Id == Id);
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              _context.BusStop.Remove(busStop);
              return await _context.SaveChangesAsync();
          }
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      }
  }