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SelectTable.cs
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220 lines (210 loc) · 8.8 KB
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namespace APIJSON.NET
{
using APIJSON.NET.Services;
using Microsoft.Extensions.Options;
using Newtonsoft.Json.Linq;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
public class SelectTable
{
private readonly IIdentityService _identitySvc;
private readonly ITableMapper _tableMapper;
private readonly DbContext db;
public SelectTable(IIdentityService identityService, ITableMapper tableMapper, DbContext _db)
{
_identitySvc = identityService;
_tableMapper = tableMapper;
db = _db;
}
public (dynamic,int) GetTableData(string subtable, int page, int count, string json, JObject dd)
{
if (!subtable.IsTable())
{
throw new Exception($"表名{subtable}不正确！");
}
var role = _identitySvc.GetSelectRole(subtable);
if (!role.Item1)//没有权限返回异常
{
throw new Exception(role.Item2);
}
string selectrole = role.Item2;
subtable = _tableMapper.GetTableName(subtable);
JObject values = JObject.Parse(json);
page = values["page"] == null ? page : int.Parse(values["page"].ToString());
count = values["count"] == null ? count : int.Parse(values["count"].ToString());
values.Remove("page");
values.Remove("count");
var tb = sugarQueryable(subtable, selectrole, values, dd);
if (count > 0)
{
int total = 0;
return (tb.ToPageList(page, count,ref total),total);
}
else
{
return (tb.ToList(),tb.Count());
}
}
public dynamic GetFirstData(string subtable, string json, JObject dd)
{
if (!subtable.IsTable())
{
throw new Exception($"表名{subtable}不正确！");
}
var role = _identitySvc.GetSelectRole(subtable);
if (!role.Item1)//没有权限返回异常
{
throw new Exception(role.Item2);
}
string selectrole = role.Item2;
subtable = _tableMapper.GetTableName(subtable);
JObject values = JObject.Parse(json);
values.Remove("page");
values.Remove("count");
var tb = sugarQueryable(subtable, selectrole, values, dd);
return tb.First();
}
private ISugarQueryable<System.Dynamic.ExpandoObject> sugarQueryable(string subtable, string selectrole, JObject values, JObject dd)
{
var tb = db.Db.Queryable(subtable, "tb");
if (values["@column"].IsValue())
{
var str = new System.Text.StringBuilder(100);
foreach (var item in values["@column"].ToString().Split(","))
{
string[] ziduan = item.Split(":");
if (ziduan.Length > 1)
{
if (_identitySvc.ColIsRole(ziduan[0], selectrole.Split(",")))
{
str.Append(ziduan[0] + " as " + ziduan[1] + ",");
}
}
else
{
if (_identitySvc.ColIsRole(item, selectrole.Split(",")))
{
str.Append(item + ",");
}
}
}
if (string.IsNullOrEmpty(str.ToString()))
{
throw new Exception($"表名{subtable}没有可查询的字段！");
}
tb.Select(str.ToString().TrimEnd(','));
}
else
{
tb.Select(selectrole);
}
List<IConditionalModel> conModels = new List<IConditionalModel>();
foreach (var va in values)
{
string vakey = va.Key.Trim();
if (vakey.EndsWith("$"))//模糊查询
{
if (vakey.TrimEnd('$').IsTable())
{
conModels.Add(new ConditionalModel() { FieldName = vakey.TrimEnd('$'), ConditionalType = ConditionalType.Like, FieldValue = va.Value.ToString() });
}
}
else if (vakey.EndsWith("{}"))//逻辑运算
{
string field = vakey.TrimEnd("{}".ToCharArray());
if (va.Value.HasValues)
{
conModels.Add(new ConditionalModel() { FieldName = field, ConditionalType = field.EndsWith("!") ? ConditionalType.NotIn : ConditionalType.In, FieldValue = va.Value.ToString() });
}
else
{
var ddt = new List<KeyValuePair<WhereType, ConditionalModel>>();
foreach (var and in va.Value.ToString().Split(','))
{
var model = new ConditionalModel();
model.FieldName = field;
if (and.StartsWith(">="))
{
model.ConditionalType = ConditionalType.GreaterThanOrEqual;
model.FieldValue = and.TrimStart(">=".ToCharArray());
}
else if (and.StartsWith("<="))
{
model.ConditionalType = ConditionalType.LessThanOrEqual;
model.FieldValue = and.TrimStart("<=".ToCharArray());
}
else if (and.StartsWith(">"))
{
model.ConditionalType = ConditionalType.GreaterThan;
model.FieldValue = and.TrimStart('>');
}
else if (and.StartsWith("<"))
{
model.ConditionalType = ConditionalType.LessThan;
model.FieldValue = and.TrimStart('<');
}
ddt.Add(new KeyValuePair<WhereType, ConditionalModel>((field.EndsWith("&") ? WhereType.And : WhereType.Or), model));
}
conModels.Add(new ConditionalCollections() { ConditionalList = ddt });
}
}
else if (vakey.EndsWith("@") && dd != null) // 关联上一个table
{
string[] str = va.Value.ToString().Split("/");
string value = string.Empty;
if (str.Length == 3)
{
value = dd[str[1]][str[2]].ToString();
}
else if (str.Length == 2)
{
value = dd[str[0]][str[1]].ToString();
}
conModels.Add(new ConditionalModel() { FieldName = vakey.TrimEnd('@'), ConditionalType = ConditionalType.Equal, FieldValue = value });
}
else if (vakey.IsTable()) //其他where条件
{
conModels.Add(new ConditionalModel() { FieldName = vakey, ConditionalType = ConditionalType.Equal, FieldValue = va.Value.ToString() });
}
}
tb.Where(conModels);
//排序
if (values["@order"].IsValue())
{
foreach (var item in values["@order"].ToString().Split(","))
{
if (item.Replace("-", "").IsTable())
{
if (item.EndsWith("-"))
{
tb.OrderBy($"{item.Replace("-", " desc")}");
}
else
{
tb.OrderBy($"{item.ToString()}");
}
}
}
}
if (values["@group"].IsValue())
{
var str = new System.Text.StringBuilder(100);
foreach (var and in values["@group"].ToString().Split(','))
{
if (and.IsField())
{
str.Append(and + ",");
}
}
tb.GroupBy(str.ToString().TrimEnd(','));
}
if (values["@having"].IsValue())
{
tb.Having($"{values["@having"].ToString()}");
}
return tb;
}
}
}