Files
raven/server/AyaNova/biz/DataListViewBiz.cs
2020-03-18 19:56:58 +00:00

423 lines
17 KiB
C#

using System.Linq;
using System.Threading.Tasks;
using System.Collections.Generic;
using Microsoft.EntityFrameworkCore;
using Newtonsoft.Json.Linq;
using AyaNova.Util;
using AyaNova.Api.ControllerHelpers;
using AyaNova.Models;
using AyaNova.DataList;
namespace AyaNova.Biz
{
internal class DataListViewBiz : BizObject
{
internal DataListViewBiz(AyContext dbcontext, long currentUserId, long userTranslationId, AuthorizationRoles UserRoles)
{
ct = dbcontext;
UserId = currentUserId;
UserTranslationId = userTranslationId;
CurrentUserRoles = UserRoles;
BizType = AyaType.DataListView;
}
internal static DataListViewBiz GetBiz(AyContext ct, Microsoft.AspNetCore.Http.HttpContext httpContext = null)
{
if (httpContext != null)
return new DataListViewBiz(ct, UserIdFromContext.Id(httpContext.Items), UserTranslationIdFromContext.Id(httpContext.Items), UserRolesFromContext.Roles(httpContext.Items));
else
return new DataListViewBiz(ct, 1, ServerBootConfig.AYANOVA_DEFAULT_TRANSLATION_ID, AuthorizationRoles.BizAdminFull);
}
////////////////////////////////////////////////////////////////////////////////////////////////
//EXISTS
internal async Task<bool> ExistsAsync(long id)
{
return await ct.DataListView.AnyAsync(e => e.Id == id);
}
////////////////////////////////////////////////////////////////////////////////////////////////
//CREATE
internal async Task<DataListView> CreateAsync(DataListView inObj)
{
await ValidateAsync(inObj, true);
if (HasErrors)
return null;
else
{
//do stuff with datafilter
DataListView outObj = inObj;
outObj.UserId = UserId;
await ct.DataListView.AddAsync(outObj);
await ct.SaveChangesAsync();
//Handle child and associated items:
//EVENT LOG
await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, outObj.Id, BizType, AyaEvent.Created), ct);
return outObj;
}
}
////////////////////////////////////////////////////////////////////////////////////////////////
//DUPLICATE
//
internal async Task<DataListView> DuplicateAsync(DataListView dbObj)
{
DataListView outObj = new DataListView();
CopyObject.Copy(dbObj, outObj);
//generate unique name
string newUniqueName = string.Empty;
bool NotUnique = true;
long l = 1;
do
{
newUniqueName = Util.StringUtil.UniqueNameBuilder(dbObj.Name, l++, 255);
NotUnique = await ct.DataListView.AnyAsync(m => m.Name == newUniqueName);
} while (NotUnique);
outObj.Name = newUniqueName;
outObj.Id = 0;
outObj.ConcurrencyToken = 0;
await ct.DataListView.AddAsync(outObj);
await ct.SaveChangesAsync();
//Handle child and associated items:
await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, outObj.Id, BizType, AyaEvent.Created), ct);
return outObj;
}
////////////////////////////////////////////////////////////////////////////////////////////////
/// GET
//Get one
internal async Task<DataListView> GetAsync(long fetchId, bool logTheGetEvent = true)
{
//This is simple so nothing more here, but often will be copying to a different output object or some other ops
var ret = await ct.DataListView.SingleOrDefaultAsync(m => m.Id == fetchId && (m.Public == true || m.UserId == UserId));
if (logTheGetEvent && ret != null)
{
//Log
await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, fetchId, BizType, AyaEvent.Retrieved), ct);
}
return ret;
}
//get ViewList (NOT PAGED)
internal async Task<List<NameIdItem>> GetViewListAsync(string listKey)
{
List<NameIdItem> items = new List<NameIdItem>();
if (!string.IsNullOrWhiteSpace(listKey))
{
items = await ct.DataListView
.AsNoTracking()
.Where(m => m.ListKey == listKey && (m.Public == true || m.UserId == UserId))
.OrderBy(m => m.Name)
.Select(m => new NameIdItem()
{
Id = m.Id,
Name = m.Name
}).ToListAsync();
}
return items;
}
////////////////////////////////////////////////////////////////////////////////////////////////
//UPDATE
//
//put
internal async Task<bool> PutAsync(DataListView dbObj, DataListView inObj)
{
//preserve the owner ID if none was specified
if (inObj.UserId == 0)
inObj.UserId = dbObj.UserId;
//Replace the db object with the PUT object
CopyObject.Copy(inObj, dbObj, "Id");
//Set "original" value of concurrency token to input token
//this will allow EF to check it out
ct.Entry(dbObj).OriginalValues["ConcurrencyToken"] = inObj.ConcurrencyToken;
await ValidateAsync(dbObj, false);
if (HasErrors)
return false;
await ct.SaveChangesAsync();
//Log modification and save context
await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, dbObj.Id, BizType, AyaEvent.Modified), ct);
return true;
}
////////////////////////////////////////////////////////////////////////////////////////////////
//DELETE
//
internal async Task<bool> DeleteAsync(DataListView dbObj)
{
//Determine if the object can be deleted, do the deletion tentatively
//Probably also in here deal with tags and associated search text etc
//FUTURE POSSIBLE NEED
//ValidateCanDelete(dbObj);
if (HasErrors)
return false;
ct.DataListView.Remove(dbObj);
await ct.SaveChangesAsync();
//Delete sibling objects
//Event log process delete
await EventLogProcessor.DeleteObjectLogAsync(UserId, BizType, dbObj.Id, dbObj.Name, ct);
//Delete search index
//Search.ProcessDeletedObjectKeywords(dbObj.Id, BizType);
return true;
}
////////////////////////////////////////////////////////////////////////////////////////////////
//VALIDATION
//
//Can save or update?
private async Task ValidateAsync(DataListView inObj, bool isNew)
{
//UserId required
if (!isNew)
{
if (inObj.UserId == 0)
AddError(ApiErrorCode.VALIDATION_REQUIRED, "UserId");
}
//Name required
if (string.IsNullOrWhiteSpace(inObj.Name))
AddError(ApiErrorCode.VALIDATION_REQUIRED, "Name");
//Name must be less than 255 characters
if (inObj.Name.Length > 255)
AddError(ApiErrorCode.VALIDATION_LENGTH_EXCEEDED, "Name", "255 max");
//If name is otherwise OK, check that name is unique
if (!PropertyHasErrors("Name"))
{
//Use Any command is efficient way to check existance, it doesn't return the record, just a true or false
if (await ct.DataListView.AnyAsync(m => m.Name == inObj.Name && m.Id != inObj.Id))
{
AddError(ApiErrorCode.VALIDATION_NOT_UNIQUE, "Name");
}
}
if (string.IsNullOrWhiteSpace(inObj.ListKey))
AddError(ApiErrorCode.VALIDATION_REQUIRED, "ListKey");
var DataList = DataListFactory.GetAyaDataList(inObj.ListKey);
if (DataList == null)
{
AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "ListKey", $"ListKey \"{inObj.ListKey}\" DataListKey is not valid");
}
if (inObj.ListKey.Length > 255)
AddError(ApiErrorCode.VALIDATION_LENGTH_EXCEEDED, "ListKey", "255 max");
//Filter json must parse
//this is all automated normally so not going to do too much parsing here
//just ensure it's basically there
if (!string.IsNullOrWhiteSpace(inObj.ListView))
{
try
{
var v = JArray.Parse(inObj.ListView);
for (int i = 0; i < v.Count; i++)
{
var filterItem = v[i];
if (filterItem["fld"] == null)
AddError(ApiErrorCode.VALIDATION_REQUIRED, "ListView", $"ListView array item {i}, object is missing required \"fld\" property ");
else
{
var fld = filterItem["fld"].Value<string>();
if (string.IsNullOrWhiteSpace(fld))
AddError(ApiErrorCode.VALIDATION_REQUIRED, "ListView", $"ListView array item {i}, \"fld\" property is empty and required");
//validate the field name if we can
if (DataList != null)
{
var TheField = DataList.FieldDefinitions.SingleOrDefault(x => x.FieldKey.ToLowerInvariant() == fld);
if (TheField == null)
{
AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "ListView", $"ListView array item {i}, fld property value \"{fld}\" is not a valid value for ListKey specified");
}
}
}
//This is the old filter validation code but at this point only going to validate that the fields are present and valid as the bare minimum
// if (filterItem["op"] == null)
// AddError(ApiErrorCode.VALIDATION_REQUIRED, "Filter", $"Filter array item {i}, object is missing required \"op\" property ");
// else
// {
// var opType = filterItem["op"].Value<string>();
// if (!DataListFilterComparisonOperator.Operators.Contains(opType))
// AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "Filter", $"Filter array item {i}, \"op\" property value of \"{opType}\" is not a valid FilterComparisonOperator type");
// }
// if (filterItem["value"] == null)
// AddError(ApiErrorCode.VALIDATION_REQUIRED, "Filter", $"Filter array item {i}, object is missing or is empty the required \"value\" property ");
// else
// {
// //check if the value is present, not what it is exactly, just that it's present
// //value also could contain relative date tokens, not that it checks them anyway but just noting it here
// if (filterItem["value"].Type == JTokenType.String && string.IsNullOrWhiteSpace(filterItem["value"].Value<string>()))
// AddError(ApiErrorCode.VALIDATION_REQUIRED, "Filter", $"Filter array item {i}, object is missing or is empty the required \"value\" property ");
// if (filterItem["value"].Type == JTokenType.Array && filterItem["value"].Count() == 0)
// AddError(ApiErrorCode.VALIDATION_REQUIRED, "Filter", $"Filter array item {i}, object is missing or is empty the required \"value\" property ARRAY ");
// }
//NOTE: value of nothing, null or empty is a valid value so no checking for it here
}
}
catch (Newtonsoft.Json.JsonReaderException ex)
{
AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "ListView", "ListView is not valid JSON string: " + ex.Message);
}
}
// //VALIDATE SORT
// //Filter json must parse
// if (!string.IsNullOrWhiteSpace(inObj.Sort))
// {
// try
// {
// var v = JArray.Parse(inObj.Sort);
// for (int i = 0; i < v.Count; i++)
// {
// var sortItem = v[i];
// if (sortItem["fld"] == null)
// AddError(ApiErrorCode.VALIDATION_REQUIRED, "Sort", $"Sort array item {i}, object is missing required \"fld\" property ");
// else
// {
// var fld = sortItem["fld"].Value<string>();
// if (string.IsNullOrWhiteSpace(fld))
// AddError(ApiErrorCode.VALIDATION_REQUIRED, "Sort", $"Sort array item {i}, \"fld\" property is empty and required");
// //validate the field name if we can
// if (DataList != null)
// {
// if (!DataList.FieldDefinitions.Exists(x => x.FieldKey.ToLowerInvariant() == fld && x.IsFilterable))
// {
// AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "Sort", $"Sort array item {i}, fld property value \"{fld}\" is not a valid value for ListKey specified");
// }
// }
// }
// if (sortItem["dir"] == null)
// AddError(ApiErrorCode.VALIDATION_REQUIRED, "Sort", $"Sort array item {i}, object is missing required \"dir\" sort direction property ");
// else
// {
// var sortDir = sortItem["dir"].Value<string>();
// if (sortDir != "+" && sortDir != "-")
// AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "Sort", $"Sort array item {i}, \"dir\" property value of \"{sortDir}\" is not a valid sort direction value, must be \"+\" or \"-\" only");
// }
// //NOTE: value of nothing, null or empty is a valid value so no checking for it here
// }
// }
// catch (Newtonsoft.Json.JsonReaderException ex)
// {
// AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "Sort", "Sort is not valid JSON string: " + ex.Message);
// }
// }
return;
}
//FOR FUTURE
// private void ValidateCanDelete(DataListFilter inObj)
// {
// //Leaving this off for now
// }
// ////////////////////////////////////////////////////////////////////////////////////////////////
// //JOB / OPERATIONS
// //
// public async Task HandleJobAsync(OpsJob job)
// {
// //Hand off the particular job to the corresponding processing code
// //NOTE: If this code throws an exception the caller (JobsBiz::ProcessJobsAsync) will automatically set the job to failed and log the exeption so
// //basically any error condition during job processing should throw up an exception if it can't be handled
// switch (job.JobType)
// {
// case JobType.TestDataFilterJob:
// await ProcessTestJobAsync(job);
// break;
// default:
// throw new System.ArgumentOutOfRangeException($"DataFilterBiz.HandleJob-> Invalid job type{job.JobType.ToString()}");
// }
// }
//Other job handlers here...
/////////////////////////////////////////////////////////////////////
}//eoc
}//eons