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231 lines (222 loc) · 9.12 KB
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namespace APIJSON.NET
{
using APIJSON.NET.Models;
using Microsoft.Extensions.Options;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
public class JsonToSql: DbContext
{
protected List<Role> roles;
public JsonToSql(IOptions<DbOptions> options, IOptions<List<Role>> _roles) : base(options)
{
roles = _roles.Value;
}
/// <summary>
/// 对应数据表
/// </summary>
static Dictionary<string, string> dict = new Dictionary<string, string>
{
{"user", "apijson_user"},
};
public Role GetRole(string rolename)
{
var role = new Role();
if (string.IsNullOrEmpty(rolename))
{
role = roles.FirstOrDefault();
}
else
{
role = roles.FirstOrDefault(it => it.Name.Equals(rolename, StringComparison.CurrentCultureIgnoreCase));
}
return role;
}
public (bool, string) GetSelectRole(string rolename, string table)
{
var role = GetRole(rolename);
if (role == null || role.Select == null || role.Select.Table == null)
{
return (false, $"select.json权限配置不正确！");
}
string tablerole = role.Select.Table.FirstOrDefault(it => it.Equals(table, StringComparison.CurrentCultureIgnoreCase));
if (string.IsNullOrEmpty(tablerole))
{
return (false, $"表名{table}没权限查询！");
}
int index = Array.IndexOf(role.Select.Table, tablerole);
string selectrole = role.Select.Column[index];
return (true, selectrole);
}
public dynamic GetTableData(string subtable, int page, int count, string json, JObject dd,string rolename)
{
if (!subtable.IsTable())
{
throw new Exception($"表名{subtable}不正确！");
}
var role = GetSelectRole(rolename, subtable);
if (!role.Item1)
{
throw new Exception(role.Item2);
}
string selectrole = role.Item2;
if (dict.ContainsKey(subtable.ToLower()))
{
subtable = dict.GetValueOrDefault(subtable.ToLower());
}
JObject values = JObject.Parse(json);
var tb = 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 (ziduan[0].IsField() && ziduan[1].IsTable()&&(selectrole =="*"|| selectrole.Split(',').Contains(ziduan[0],StringComparer.CurrentCultureIgnoreCase)))
{
str.Append(ziduan[0] + " as " + ziduan[1] + ",");
}
}
else
{
if (item.IsField() && (selectrole == "*" || selectrole.Split(',').Contains(item, StringComparer.CurrentCultureIgnoreCase)))
{
str.Append(item + ",");
}
}
}
tb.Select(str.ToString().TrimEnd(','));
}
else
{
tb.Select(selectrole);
}
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");
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 = va.Key.TrimEnd('$'), ConditionalType = ConditionalType.Like, FieldValue = va.Value.ToString() });
}
}
else if (vakey.EndsWith("{}"))//逻辑运算
{
string field = va.Key.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($"{item.ToString()}");
}
}
}
}
else
{
tb.OrderBy("id");
}
if (values["@group"].IsValue())
{
var str = new System.Text.StringBuilder(100);
foreach (var and in values["@group"].ToString().Split(','))
{
if (and.IsField())
{
str.Append(and + ",");
}
}
tb.GroupBy(str.ToString().TrimEnd(','));
}
if (values["@having"].IsValue())
{
tb.Having($"{values["@having"].ToString()}");
}
if (count > 0)
{
return tb.ToPageList(page, count);
}
else
{
return tb.ToList();
}
}
}
}