ContractorDs.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using AutoMapper;
using MapsDb.Interfaces;
using MapsDb.Models;
using MapsModels.DsModels;
using Microsoft.EntityFrameworkCore;
namespace MapsDb.DataService
{
public class ContractorDs : IContractorDs
{
private PostgresDbContext _context;
public ContractorDs(){
_context = new PostgresDbContext();
}
public Task<IList<ContractorEditDsM>> GetIndexListAsync(PaginationDsM pagination){
return Task.Factory.StartNew(()=> { return GetAllContractor(pagination); });
}
private IList<ContractorEditDsM> GetAllContractor(PaginationDsM pagination)
{
var filter = pagination.filter;
IQueryable<Contractor> data = _context.Contractor
.Include(d=>d.Road)
.Include(d=>d.CrossSection);
data = Filtering(pagination.filter, data);
IQueryable<ContractorEditDsM> result = data
.Select(Contractor => Mapper.Map<ContractorEditDsM>(Contractor))
.Skip(pagination.from)
.Take(pagination.perPage);
switch (pagination.orderType())
{
case "ASC":
return result.OrderBy(i => i.GetType().GetProperty(pagination.sort).GetValue(i, null)).ToList();
case "DESC":
return result.OrderByDescending(i => i.GetType().GetProperty(pagination.sort).GetValue(i, null)).ToList();
default:
return result.OrderByDescending(i => i.Id).ToList();
}
}
public Task<Contractor> CreateAsync(ContractorEditDsM data){
return Task.Factory.StartNew(()=> { return Create(data); });
}
private Contractor Create(ContractorEditDsM data)
{
Contractor Model = InsertModel(data);
_context.Contractor.Add(Model);
_context.SaveChanges();
return Model;
}
public Task<Contractor> UpdateAsync(ContractorEditDsM data, int id){
return Task.Factory.StartNew(()=> { return Update(data, id); });
}
private Contractor Update(ContractorEditDsM data, int id)
{
Contractor Model = InsertModel(data);
Model.Id = id;
_context.Contractor.Update(Model);
_context.SaveChanges();
return Model;
}
public Contractor InsertModel(ContractorEditDsM data){
Contractor Model = Mapper.Map<Contractor>(data);
return Model;
}
public async Task<int> DeleteAsync(int Id)
{
var contractor = await _context.Contractor.SingleOrDefaultAsync(x => x.Id == Id);
_context.Contractor.Remove(contractor);
return await _context.SaveChangesAsync();
}
public IQueryable<Contractor> Filtering(string filters, IQueryable<Contractor> 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);
string param = filter[2].ToLower();
if(word.StartsWith("$")){
data = FilterByEndWith(field, param, data);
}
else if(word.StartsWith("^")){
data = FilterByStartWith(field, param, data);
}
else if(word.StartsWith("*")){
data = FilterByComtains(field, param, data);
}
else if(word.StartsWith("!")){
data = FilterByNotEquals(field, param, data);
}
else if(word.StartsWith("=")){
data = FilterByEquals(field, param, data);
}
}
}
return data;
}
public IQueryable<Contractor> FilterByComtains(string field, string param, IQueryable<Contractor> data){
switch(field){
case "RoadId":
return data.Where(i => i.Road.Name != null && i.Road.Name.ToLower().Contains(param) );
case "CrossSectionId":
return data.Where(i => i.CrossSection.Id.ToString().ToLower().Contains(param) );
default:
return data.Where(i => Convert.ToString(i.GetType().GetProperty(field).GetValue(i, null)).ToLower().Contains(param) );
}
}
public IQueryable<Contractor> FilterByEquals(string field, string param, IQueryable<Contractor> data){
switch(field){
case "RoadId":
return data.Where(i => i.Road.Id.ToString().ToLower() == param );
case "CrossSectionId":
return data.Where(i => i.CrossSection.Id.ToString().ToLower() == param );
default:
return data.Where(i => Convert.ToString(i.GetType().GetProperty(field).GetValue(i, null)).ToLower() == param );
}
}
public IQueryable<Contractor> FilterByNotEquals(string field, string param, IQueryable<Contractor> data){
switch(field){
case "RoadId":
return data.Where(i => i.Road.Name != null && i.Road.Name.ToLower() != param );
case "CrossSectionId":
return data.Where(i => i.CrossSection.Id.ToString().ToLower() != param );
default:
return data.Where(i => Convert.ToString(i.GetType().GetProperty(field).GetValue(i, null)).ToLower() != param );
}
}
public IQueryable<Contractor> FilterByStartWith(string field, string param, IQueryable<Contractor> data){
switch(field){
case "RoadId":
return data.Where(i => i.Road.Name != null && i.Road.Name.ToLower().StartsWith(param) );
case "CrossSectionId":
return data.Where(i => i.CrossSection.Id.ToString().ToLower().StartsWith(param) );
default:
return data.Where(i => Convert.ToString(i.GetType().GetProperty(field).GetValue(i, null)).ToLower().StartsWith(param) );
}
}
public IQueryable<Contractor> FilterByEndWith(string field, string param, IQueryable<Contractor> data){
switch(field){
case "RoadId":
return data.Where(i => i.Road.Name != null && i.Road.Name.ToLower().EndsWith(param) );
case "CrossSectionId":
return data.Where(i => i.CrossSection.Id.ToString().ToLower().EndsWith(param) );
default:
return data.Where(i => Convert.ToString(i.GetType().GetProperty(field).GetValue(i, null)).ToLower().EndsWith(param) );
}
}
}
}