I am new and I need given output from the following scenario.
Required following output
|Code| Unit Name| Type| Count|
| U-1| Unit 1 name | MCQ | 25
| U-1| Unit 1 name | SEQ| 20
| U-1| Unit 1 name | Long| 50|
| U-2| Unit 2 name | MCQ | 25|
I have the Subject Dropdown when I select the Subjectname from the dropdown I want to populate the Units table with unit code, unit name and the number of questions along with their type. ( MCQ, SEQ, etc)
the classes are Subjects, Topics, and Questions.
public class Subject
{
public int Id { get; set; }
public string? SubjectText { get; set; }
//relationship to topics (one to many)
public List<Topic>? Topic { get; set; }
}
public class Topic
{
public int Id { get; set; }
public string? TopicText { get; set; }
//relationship ( one to many)
public List<Question> Question { get; set; }
//navigation back to subjects
public int SubjectId { get; set; }
public Subject Subject { get; set; }
}
public class Question
{
public int Id { get; set; }
public string? QuestionText { get; set; }
public QuestionTypes QuestionType { get; set; }
public DifficultyLevel DifficultyLevel { get; set; }
//navigation back to Topics
public int TopicId { get; set; }
public Topic? Topic { get; set; }
}
// question types and difficulty level are enums
public enum QuestionTypes
{
MCQ =1,
SEQ,
Long_Question,
Fill_In_The_Blanks
}
public enum DifficultyLevel
{
Very_Easy = 1,
Easy,
Moderate,
Hard,
Very_Hard,
}
my VM for the table is
public class TopicsWithQCountsVM
{
public int Code { get; set; }
public string? TopicText { get; set; }
public QuestionTypes QType { get; set; }
public List<int>? mcqCount { get; set; } // Multiple Choices Questions
public List<int>? seqCount { get; set; } // Short Exam Questions
public List<int>? longQCount { get; set; } // long Questions
public List<int>? FillinBlankCount { get; set; } // fill in the blanks
}
I want to display all the units along with their QuestionsTypes(MCQ,SEQ,Long) and total Count when a user select the subject from dropdownlist. The dropdown list is dynamically populated from database table called Subjects. I have a javascript function that is loading the two units from the controller and posting them back to view
controller code
public JsonResult Subject(int id)
{
var sl = _context.Subjects.Where(s => s.GradeId == id).ToList();
return new JsonResult(sl);
}
public JsonResult GetTableData(int id)
{
var query = _context.Topics
.Join(_context.Questions, Topic => Topic.Id, Question => Question.Id, (Topic, Question) => new { Topic, Question })
.Where(u => u.Topic.SubjectId == id)
.ToListAsync();
var query = _context.Topics.Where(s => s.SubjectId == id).Include(t => t.Question.Count).GroupBy(q => q.TopicText).FirstOrDefault();
var objtopiclist = new TopicsWithQCountsVM();
var query = _context.Topics.Where(s => s.SubjectId == id).ToList();
for each (var item in query)
{
var seqcount = _context.Questions.Where(q => q.TopicId == item.Id && q.QuestionType == QuestionTypes.SEQ).Count();
}
return new JsonResult(query);
}
my View is
// on change of SubjectDDL
$('#SubjectDDL').change(function() {
var id = $(this).val();
$.ajax({
type: "POST",
url: '/Dashboard/GetTableData?id=' + id,
data: '{}',
success: function(response) {
var trHTML = '';
$.each(response, function(i, item) {
trHTML += '<tr><td>' + item.code + '</td><td>' + item.topicText + '</td></tr>';
//trHTML += '<tr><td>' + item.rank + '</td><td>' + item.content + '</td><td>' + item.UID + '</td></tr>';
});
$('#tableUnits').append(trHTML);
}
});
});
<!-- DropDown section-->
<div class="table table-hover">
<div class="row"> <h5>Please select the appropriate category</h5></div>
<div class="row">
<div class="col-lg-3 col-md-3 col-sm-6 col-12">
<label asp-for="GradeName" class="control-label"></label>
<select id="GradeDDL" asp-for="GradeId" class="form-control" asp-items="ViewBag.Grades"> <option selected disabled>---Select Grade---</option> </select>
</div>
<div class="col-lg-3 col-md-3 col-sm-6 col-12">
<label asp-for="SubjectName" class="control-label"></label>
<select id="SubjectDDL" asp-for="SubjectId" onconchange="selectedText" class="form-control"> <option selected disabled>---Select Subject---</option> </select>
</div>
<div class="col-lg-3 col-md-3 col-sm-6 col-12">
<label></label>
#*<button asp-controller="dashboard" asp-action="LoadUnitsAndQuestionCount" asp-route-id="#Model.SubjectId" type="button" > Load Units </button>*#
#*<button type="submit", class="form-control btn btn-secondary"> Load Units</button>*#
</div>
</div>
</div>
<div class="row">
<div class="col-lg-6 col-md-6 col-sm-12 col-12">
<table id="tableUnits" class="table table-bordered table-hover">
<thead> <h4>Units </h4></thead>
<tr>
<th>Unit Code</th>
<th>Unit Name</th>
<th>Type</th>
<th>Count</th>
<th>Given Question</th>
</tr>
<tr>
<td> unit1 </td>
<td> Unit Title </td>
<td> mcq </td>
<td> 25 </td>
<td> <input type="number" /> </td>
</tr>
</table>
</div>
</div>
I tried my best to do but I don't know how to write the LINQ query that meets my needs (I know my method code is full of bugs )
I want to use the VM model please help me with this problem.
thanks
Related
I am trying to update the price of a Product in my MVC application, which is connected to a MySql database. I am using a javascript function that should open a textfield that is where the price can be updated. I have used this tutorial to help me out https://www.aspsnippets.com/Articles/Implement-CRUD-operations-without-using-Entity-Framework-in-ASPNet-MVC.aspx
My ProductController is the following:
public class ProductController : Controller
{
// GET: Product
public ActionResult Index()
{
List<Models.Product> products = new List<Models.Product>();
string constr = "server=localhost;user id=root;password=;database=accounting;persistsecurityinfo=True";
string query = "SELECT * FROM product";
using (MySql.Data.MySqlClient.MySqlConnection con = new MySqlConnection(constr))
{
using (MySqlCommand cmd = new MySqlCommand(query))
{
cmd.Connection = con;
con.Open();
using(MySqlDataReader sdr = cmd.ExecuteReader())
{
while (sdr.Read())
{
products.Add(new Models.Product
{
productId = Convert.ToInt32(sdr["idproduct"]),
name = Convert.ToString(sdr["name"]),
description = Convert.ToString(sdr["description"]),
cost = Convert.ToDouble(sdr["cost"]),
price = Convert.ToDouble(sdr["price"]),
stockid = Convert.ToInt32(sdr["stockid"]),
sku = Convert.ToString(sdr["sku"])
});
}
}
con.Close();
}
}
if(products.Count == 0)
{
products.Add(new Models.Product());
}
return View(products);
}
[HttpPost]
public ActionResult UpdatePrice(Models.Product product)
{
// First thing to do is to check that the User that is updating the Product is a StoreManager
// to be completed late
string query = "UPDATE product SET price=#price WHERE productId=#idproduct";
string constr = "server=localhost;user id=root;password=qn3gt6abc7;database=accounting;persistsecurityinfo=True";
using(MySqlConnection con = new MySqlConnection(constr))
{
using (MySqlCommand cmd = new MySqlCommand(query))
{
cmd.Parameters.AddWithValue("#idproduct", product.productId);
cmd.Parameters.AddWithValue("#price", product.price);
cmd.Connection = con;
con.Open();
cmd.ExecuteNonQuery();
con.Close();
}
}
return new EmptyResult();
}
}
The Model is:
public class Product
{
public int productId { get; set; }
public string name { get; set; }
public string description { get; set; }
public double cost { get; set; }
public double price { get; set; }
public int stockid { get; set; }
public string sku { get; set; }
}
And the View is the following:
#model IEnumerable<DE_Store.Models.Product>
#{
ViewBag.Title = "Index";
}
<head>
<meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">
</head>
<h2>Index</h2>
<p>
#Html.ActionLink("Create New", "Create")
</p>
<table class="table" id="tblProducts">
<tr>
<th>
#Html.DisplayNameFor(model => model.name)
</th>
<th>
#Html.DisplayNameFor(model => model.description)
</th>
<th>
#Html.DisplayNameFor(model => model.price)
</th>
<th></th>
</tr>
#foreach (var item in Model)
{
<tr>
<td class="Product Name">
<span>#item.name</span>
<input type="text" value="#item.name" style="display:none" />
</td>
<td class="Description">
<span>#item.description</span>
<input type="text" value="#item.description" style="display:none" />
</td>
<td class="Price">
<span>#item.price</span>
<input type="text" value="#item.price" style="display:none" />
</td>
<td>
<a class="Edit" href="javascript:;">Edit</a>
<a class="Update" href="javascript:;" style="display:none">Update</a>
<a class="Cancel" href="javascript:;" style="display:none">Cancel</a>
<a class="Delete" href="javascript:;">Delete</a>
</td>
</tr>
}
</table>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script type="text/javascript" src="http://ajax.cdnjs.com/ajax/libs/json2/20110223/json2.js"></script>
<script type="text/javascript">
//Edit event handler.
$("body").on("click", "#tblProducts .Edit", function () {
var row = $(this).closest("tr");
$("td", row).each(function () {
if ($(this).find("input").length > 0) {
$(this).find("input").show();
$(this).find("span").hide();
}
});
row.find(".Update").show();
row.find(".Cancel").show();
row.find(".Delete").hide();
$(this).hide();
});
//Update event handler.
$("body").on("click", "#tblProducts .Update", function () {
var row = $(this).closest("tr");
$("td", row).each(function () {
if ($(this).find("input").length > 0) {
var span = $(this).find("span");
var input = $(this).find("input");
span.html(input.val());
span.show();
input.hide();
}
});
row.find(".Edit").show();
row.find(".Delete").show();
row.find(".Cancel").hide();
$(this).hide();
var product = {};
product.idproduct= row.find(".productId").find("span").html();
product.name = row.find(".Product Name").find("span").html();
product.price = row.find(".Price").find("span").html();
$.ajax({
type: "POST",
url: "/Product/Index",
data: '{product:' + JSON.stringify(product) + '}',
contentType: "application/json; charset=utf-8",
dataType: "json"
});
});
</script>
When I run it I encounter issues with the javascript part, when I click on the Edit button nothing happens, and by inspecting the page for errors I am getting are:
Mixed content: load all resources via HTTPS to improve the security of your site.
The resources files involved are
Name Restriction Status
jquery.min.js blocked
json2.js blocked
Is there anything I can do to fix this? Any suggestion for the javascript code, or any alternative solution to update the price of the product?
I have a cshtml file which uses for each loops from the value of the model that comes from controller.My cshtml code is below:-
<tbody>
#foreach (var item model.TechnicianInvoice)
{
<tr>
<td>#item.Name</td>
#foreach (var rate in item.Rates)
{
<td class="td10"><span class="prefix">$</span><input type="text" class="form-control my-input" value="#rate.Rate.ToString("0.00")"></td>
}
<td><a class="btn btn-sm" href="#" data-action="ShowPayTableModal" data-id="#item.Id" name="#item.Name">view</a></td>
<td><a class="updateRate" data-id="#item">update</a></td>
</tr>
}
</tbody>
And model.TechnicianInvoice is a ist of view Model of:
public class TechnicianInvoiceViewModel
{
public int Id { get; set; }
public string Name { get; set; }
public List<TechRateViewModel> Rates { get; set; }
}
public class TechRateViewModel
{
public int Id { get; set; }
public double Rate { get; set; }
}
Now What I need is when I click on the update button the current foreach value of model.Technician should be passed into jquery. Currently I am using data-id = #item but when I console log this value only shows TechnicianInvoiceViewModel . My jquery code is
$(".updateRate").on("click", function () {
var data = $(this).attr("data-id");
console.log(data);
});
How Can I do this?
The problem ist that you want to parse a C# model into Javascript.
When you do data-id = #item, C# is asked for the string value of the item. But what do you expect this value to be? The Id? Then you should go for data-id = #item.Id. But there are plenty other options, it's also possible to return for example a JSON by implementing #item.getJSON() ...
Long story told short: You need to specify which value of your item you want to parse to your JavaScript ;)
I tried to pass the selected model in the HTML table row right into javascript function, including conversion to a JSON. The conversion failed because of the problem below.
Also, I freaked out for more than 6 hours trying to understand why it's not working. Now I know what caused the problem, no idea how to fix it.
Here is what I tried (simple and easy):
<table class="table table-hover">
<thead align="center">
<tr>
<th scope="col">AssetID</th>
<th scope="col">Loaction</th>
<th scope="col">AreaIn</th>
<th scope="col">Rooms</th>
<th scope="col">ImageURL</th>
<th scope="col">Action</th>
</tr>
</thead>
<tbody align="center">
#foreach (var a in #Model.OwnAssetsList)
{
String[] assetArray = new String[8] { a.AssetID.ToString(), a.OwnerID.ToString(), a.OwnerPublicKey.ToString(), a.Loaction.ToString(), a.AreaIn.ToString(), a.Rooms.ToString(), a.ImageURL.ToString(), a.Price.ToString() };
<tr>
<td>#a.AssetID</td>
<td>#a.Loaction</td>
<td>#a.AreaIn</td>
<td>#a.Rooms</td>
<td><a target="_blank" href=#a.ImageURL>Click</a></td>
<td><button class="btn btn-primary" data-toggle="modal" data-target="#exampleModalLong" onclick="offerContract(#a.Loaction/* or #a.ImageURL*/)">Offer Contract</button></td>
</tr>
}
</tbody>
In Javascript:
#section scripts
{
<script type="text/javascript">
function offerContract(param)
{
document.getElementById("dialogAssetID").innerHTML = "Asset No:".bold()+param.AssetID;
document.getElementById("dialogOwnerAddress").innerHTML="Your Public Key:" +param.OwnerID;
}
</script>
}
The javascript function fails if and only if I passing #a.Loaction or #a.ImageURL.
Here is the error in the console: 'Uncaught SyntaxError: missing ) after argument list'.
The rest properties of the model passed successfully.
The '#a.Loaction' and '#a.ImageURL' working fine in the HTML table
I am adding now the model and the table scheme:
public class Asset
{
[Key]
public int AssetID { get; set; }
[Required]
public int OwnerID { get; set; }
[Required]
public string OwnerPublicKey { get; set; }
[Required]
public string Loaction { get; set; }
[Required]
public int AreaIn { get; set; }
[Required]
public int Rooms { get; set; }
[Required]
public string ImageURL { get; set; }
[Required]
public double Price { get; set; }
}
I will appreciate any help. More than 6 hours spent on this issue.
in your Razor page, you basically need to pre-generate a javascript object that you will then pass along to your JS:
in your scripts section is a good place:
#section scripts {
<script type="text/javascript">
var data = #Json.Serialize(#Model.OwnAssetsList);
function offerContract(index)
{
document.getElementById("dialogAssetID").innerHTML = "Asset No:".bold() + data[index].assetId;
document.getElementById("dialogOwnerAddress").innerHTML="Your Public Key:" + data[index].ownerId;
}
</script>
Your Razor then could look something like this (note, since you are opting for foreach, there was no direct way to get current iteration index, so I had to introduce one myself):
#{var i = 0} //
#foreach (var a in #Model.OwnAssetsList)
{
<tr>
...
<td><button class="btn btn-primary" data-toggle="modal" data-target="#exampleModalLong" onclick="offerContract(#i)">Offer Contract</button></td>
</tr>
i += 1; // next iteration
}
}
UPD: if you absolutely must pass strings from Razor to JS, you will need to quote them:
<td><button class="btn btn-primary" data-toggle="modal" data-target="#exampleModalLong" onclick="offerContract('#a.Loaction')">Offer Contract</button></td>
I suggest single quotes so Razor does not get confused
I found another way to pass the problematic properties:
<tbody align="center">
#{ int i = 0;}
#foreach (var a in #Model.OwnAssetsList)
{
string loaction = "loc" + i;
string url = "url" + i;
<tr>
<td>#a.AssetID</td>
<td id=#loaction>#a.Loaction</td>
<td>#a.AreaIn</td>
<td>#a.Rooms</td>
<td><a id=#url target="_blank" href=#a.ImageURL>Click</a></td>
<td><button class="btn btn-primary" data-toggle="modal" data-target="#exampleModalLong" onclick="offerContract( #i)">Offer Contract</button></td>
</tr>
i++;
}
</tbody>
And in the function:
function offerContract(param)
{
var idLoac = "#loc" + param;
var idUrl = "#url" + param;
var demdloc = $(idLoac).text();
var demdurl = $(idUrl).attr("href");
document.getElementById("dialogAssetID").innerHTML = "Asset No:".bold() + demdloc;
document.getElementById("dialogOwnerID").innerHTML = "Your ID:".bold() + demdurl;
}
And the properties are perfectly passing.
I have a separate TR and inside, a TD from the rest of my table. I have some data in my model that contains a list of strings, and also a list of IDs (not sure if I need the list of IDS for this) and I would like to display on the lower Tr's td a specific part of the list, based off of the selection of a SelectListItem in the table row's td above it.. i.e. If a user select's a list item of X, I want the TD below to display "X's help description" (which like I mentioned earlier, is being stored inside a list of strings in my model)
I am not sure if I should be doing this in Razor, Javascript, or something else. Can anyone give me some tips? Below is some code.
View:
<div class="row">
<div class="col-md-12" style="overflow-y:scroll">
<table class="table table-striped table-hover table-bordered">
<thead>
<tr>
<th>Terminal</th>
<th>Command</th>
<th>Command Value</th>
<th> </th>
</tr>
</thead>
<tbody>
<tr>
<td>#Html.DropDownListFor(o => o.TerminalsDDL, Model.TerminalsDDL, new { id = "ddlTerminalID", #class = "form-control" })</td>
<td>#Html.DropDownListFor(o => o.TerminalCommandLookupsDDL, Model.TerminalCommandLookupsDDL, new {id = "ddlCommandValue", #class = "form-control" })</td>
<td>#Html.TextBoxFor(o => o.UserEnteredTerminalCommands, new { Class = "form-control", Id = "cmdValueValue"})</td>
<td> <input id="btnSaveTerminalCommand" type="button" value="Insert" class="btn btn-primary" /> </td>
</tr>
<tr>
<td colspan="4" id="helpDescript">#Html.DisplayFor(model => model.HelpDescription)</td>
</tr>
</tbody>
</table>
</div>
</div>
VM:
public TerminalCommandVM()
{
//Terminals Drop Down List
TerminalsDDL = new List<SelectListItem>();
//Terminal Commands Drop Down List
TerminalCommandLookupsDDL = new List<SelectListItem>();
//Terminal Command Values list
TerminalCommandValues = new List<SelectListItem>();
}
public TerminalCommand TerminalCommand { get; set; }
public List<TerminalCommand> TerminalCommands { get; set; }
[Display(Name = "Terminal ID")]
public List<SelectListItem> TerminalsDDL { get; set; }
[Display(Name = "Command")]
public List<SelectListItem> TerminalCommandLookupsDDL { get; set; }
public List<SelectListItem> TerminalCommandValues { get; set; }
public string UserEnteredTerminalCommands { get; set; }
public List<string> HelpDescription { get; set; }
public List<int> HelpDescriptionID { get; set; }
}
The DisplayFor I want populated is the one with the ID = "helpDescript", and the select list item that should dictate which help descript is displayed has the ID = "ddlCommandValue".
As of now, helpDescript is displaying the entire list (obviously).
If anyone needs any other code or more information, please let me know.
Try the following. In the dropdown change event call the action to display the value and in the success function display the value in label
$("#ddlCommandValue").change(function () {
var obj = {
valueToPass: $(this).val()
};
$.ajax({
url: '/Home/GetValueToDisplayInlabel',
contentType: 'application/json; charset=utf-8',
type: 'POST',
data: JSON.stringify(obj),
cache: false,
success: function (result) {
$("#helpDescript").html(result);
},
error: function () {
alert("Error");
}
});
I got a ASP.net MVC 4.0 web application which enable user to dynamically add rows to html table.
In my view:
$('.del').live('click', function () {
id--;
var rowCount = $('#options-table tr').length;
if (rowCount > 2) {
$(this).parent().parent().remove();
}
});
$('.add').live('click', function () {
id++;
var master = $(this).parents("table.dynatable");
// Get a new row based on the prototype row
var prot = master.find(".prototype").clone();
prot.attr("class", "")
prot.find(".id").attr("value", id);
master.find("tbody").append(prot);
});
<table class="dynatable" id="options-table" width="100%" style="text-align:center" border="1">
<tr class="prototype">
<%:Html.EditorFor(m => Model.ChillerDetails)%> //referring to the template
</tr>
<thead>
</table>
In my template:
<%# Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<GMIS.Models.GMISEBModels.ChillerPlantDetails>" %>
<div id="ChillerPlantDetails">
<td><%: Html.EditorFor(m => m.ChillerAge) %></td>
<td><%: Html.EditorFor(m => m.ChillerBrand) %></td>
<td><%: Html.EditorFor(m => m.ChillerCapacity) %></td>
<td><%: Html.EditorFor(m => m.ChillerRefrigerant) %></td>
<td>
<a href="#" class="add"><img src="<%= Url.Content("~/Content/Images/add.png") %>"/> <a href="#" class="del"><img src="<%= Url.Content("~/Content/Images/remove.png") %>"/>
</td>
</div>
In my Model:
public class AddHealthCheckFormModel
{
public List<ChillerPlantDetails> ChillerDetails { get; set; }
}
public class ChillerPlantDetails
{
//[Required(ErrorMessage = "Please enter Chiller Capacity.")]
[Display(Name = "Chiller Capacity")]
public string ChillerCapacity { get; set; }
//[Required(ErrorMessage = "Please enter Age of Chiller.")]
[Display(Name = "Age of Chiller")]
public string ChillerAge { get; set; }
//[Required(ErrorMessage = "Please enter Chiller Brand.")]
[Display(Name = "Chiller Brand")]
public string ChillerBrand { get; set; }
//[Required(ErrorMessage = "Please enter Chiller Refrigerant.")]
[Display(Name = "Chiller Refrigerant")]
public string ChillerRefrigerant { get; set; }
}
Now the question comes to how can I capture the data in the dynamically added rows into my controller and save into database?
You can use following View which will add new record using HTTP Post instead of Ajax.
Replacing it with Ajax.BeginForm with appropriate parameters will use the Ajax instead of plain post request.
#using (Html.BeginForm())
{
#Html.AntiForgeryToken()
#Html.ValidationSummary(true)
<table class="list-chiller-record">
#for (int i = 0; i < this.Model.ChillerDetails.Count; i++)
{
if (i == 0)
{
<tr class="chiller-record-template" style="display:none">
<td>#Html.EditorFor(x=>x.ChillerDetails[i].ChillerAge)</td>
<td>#Html.EditorFor(x=>x.ChillerDetails[i].ChillerBrand)</td>
<td>#Html.EditorFor(x=>x.ChillerDetails[i].ChillerCapacity)</td>
<td>#Html.EditorFor(x=>x.ChillerDetails[i].ChillerRefrigerant)</td>
</tr>
}
<tr class="chiller-record">
<td>#Html.EditorFor(x=>x.ChillerDetails[i].ChillerAge)</td>
<td>#Html.EditorFor(x=>x.ChillerDetails[i].ChillerBrand)</td>
<td>#Html.EditorFor(x=>x.ChillerDetails[i].ChillerCapacity)</td>
<td>#Html.EditorFor(x=>x.ChillerDetails[i].ChillerRefrigerant)</td>
</tr>
}
</table>
<br />
<input type="button" class="add-button" name="add" value="Add" />
<input type="submit" class="save-button" name="save" value="save" />
}
Add add new row:
<script type="text/javascript">
$(document).ready(function () {
var count = 2;
$('.add-button').click(function () {
count++;
var template = $('.chiller-record-template').clone()
template.find('input[type=text]').val('');
$.each(template.find('input[type=text]'), function () {
var name = $(this).attr('name');
name = name.replace('0', count - 1);
$(this).attr('name', name);
});
$('.list-chiller-record').append(template);
template.removeClass('chiller-record-template').addClass('chiller-record').show();
})
});
</script>
Your Action Could be like this:
[HttpPost]
public ActionResult AddHealthCheck(AddHealthCheckFormModel model)
{
if (ModelState.IsValid)
{
HealthCheckRepository healthCheckRepository = new HealthCheckRepository();
healthCheckRepository.save(model);
}
return this.View(model);
}
And in repository you can actually save the data in database. You can use EF or any other ORM for this.