298 lines
12 KiB
C#
298 lines
12 KiB
C#
using System.Linq;
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using System.Threading.Tasks;
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using System.Collections.Generic;
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using Microsoft.EntityFrameworkCore;
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using Newtonsoft.Json.Linq;
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using AyaNova.Util;
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using AyaNova.Api.ControllerHelpers;
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using AyaNova.Models;
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namespace AyaNova.Biz
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{
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internal class FormCustomBiz : BizObject
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{
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internal FormCustomBiz(AyContext dbcontext, long currentUserId, long userTranslationId, AuthorizationRoles UserRoles)
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{
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ct = dbcontext;
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UserId = currentUserId;
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UserTranslationId = userTranslationId;
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CurrentUserRoles = UserRoles;
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BizType = AyaType.FormCustom;
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}
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internal static FormCustomBiz GetBiz(AyContext ct, Microsoft.AspNetCore.Http.HttpContext httpContext = null)
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{
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if (httpContext != null)
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return new FormCustomBiz(ct, UserIdFromContext.Id(httpContext.Items), UserTranslationIdFromContext.Id(httpContext.Items), UserRolesFromContext.Roles(httpContext.Items));
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else//when called internally for internal ops there will be no context so need to set default values for that
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return new FormCustomBiz(ct, 1, ServerBootConfig.AYANOVA_DEFAULT_TRANSLATION_ID, AuthorizationRoles.BizAdminFull);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//EXISTS
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internal async Task<bool> ExistsAsync(string formKey)
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{
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return await ct.FormCustom.AnyAsync(z => z.FormKey == formKey);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//CREATE
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internal async Task<FormCustom> CreateAsync(FormCustom inObj)
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{
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await ValidateAsync(inObj, true);
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if (HasErrors)
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return null;
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else
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{
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//
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FormCustom outObj = inObj;
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outObj.Template = JsonUtil.CompactJson(outObj.Template);
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await ct.FormCustom.AddAsync(outObj);
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await ct.SaveChangesAsync();
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//Handle child and associated items:
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//EVENT LOG
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await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, outObj.Id, BizType, AyaEvent.Created), ct);
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return outObj;
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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/// GET
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//Get one
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internal async Task<FormCustom> GetAsync(string formKey)
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{
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//Step 1: check if exists, if it does then just return it
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if (await ExistsAsync(formKey))
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{
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return await ct.FormCustom.SingleOrDefaultAsync(z => z.FormKey == formKey);
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}
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//If it doesn't exist, vet the form key name is ok by checking with this list
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if (!AyaFormFieldDefinitions.AyaFormFieldDefinitionKeys.Contains(formKey))
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{
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//Nope, whatever it is, it's not valid
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return null;
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}
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// Name is valid, make a new formcustom for the name specified, save to db and then return it
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//NOTE: This assumes that the client will make it a legal form custom and so it doesn't include any pre-defined stock fields that are required etc
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//this just makes an empty template suitable for the client to work with
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var fc = new FormCustom()
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{
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FormKey = formKey,
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Template = @"[]"
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};
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//Create and save to db
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return await CreateAsync(fc);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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//UPDATE
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//
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//put
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internal async Task<bool> PutAsync(FormCustom dbObject, FormCustom inObj)
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{
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//Replace the db object with the PUT object
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CopyObject.Copy(inObj, dbObject, "Id");
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//Set "original" value of concurrency token to input token
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//this will allow EF to check it out
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ct.Entry(dbObject).OriginalValues["Concurrency"] = inObj.Concurrency;
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await ValidateAsync(dbObject, false);
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if (HasErrors)
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return false;
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dbObject.Template = JsonUtil.CompactJson(dbObject.Template);
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await ct.SaveChangesAsync();
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//Log modification and save context
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await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserId, dbObject.Id, BizType, AyaEvent.Modified), ct);
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return true;
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}
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//NO DELETE, ONLY EDIT
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////////////////////////////////////////////////////////////////////////////////////////////////
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//VALIDATION
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//
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//Can save or update?
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private async Task ValidateAsync(FormCustom inObj, bool isNew)
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{
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//FormKey required and must be valid
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if (string.IsNullOrWhiteSpace(inObj.FormKey))
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AddError(ApiErrorCode.VALIDATION_REQUIRED, "FormKey");
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else
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{
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if (!AyaFormFieldDefinitions.IsValidFormFieldDefinitionKey(inObj.FormKey))
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{
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AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "FormKey");
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}
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}
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//FormKey must be less than 255 characters
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if (inObj.FormKey.Length > 255)
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AddError(ApiErrorCode.VALIDATION_LENGTH_EXCEEDED, "FormKey", "255 max");
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//If name is otherwise OK, check that name is unique
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if (!PropertyHasErrors("FormKey") && isNew)
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{
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//Use Any command is efficient way to check existance, it doesn't return the record, just a true or false
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if (await ct.FormCustom.AnyAsync(z => z.FormKey == inObj.FormKey && z.Id != inObj.Id))
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{
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AddError(ApiErrorCode.VALIDATION_NOT_UNIQUE, "FormKey");
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}
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}
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//Template json must parse
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if ((!PropertyHasErrors("FormKey") && !string.IsNullOrWhiteSpace(inObj.Template)))
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{
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var ValidCustomFieldTypes = CustomFieldType.ValidCustomFieldTypes;
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var ValidFormFields = AyaFormFieldDefinitions.AyaFormFields(inObj.FormKey);
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try
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{
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//Parse the json, expecting something like this:
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//[{fld:"ltkeyfieldname",hide:"true/false",required:"true/false", type:"bool"},{fld:"ltkeyfieldname",hide:"true/false",required:"true/false", type:"text"]
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//Array at root is valid json and saves a bit of bandwidth so minimal is best
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//Only Custom fields that are to be displayed need to be in this fragment.
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//fields that are not chosen to display don't need to be in the fragment to be valid
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var v = JArray.Parse(inObj.Template);
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for (int i = 0; i < v.Count; i++)
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{
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AyaFormFieldDefinition MasterFormField = null;
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var formFieldItem = v[i];
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if (formFieldItem["fld"] == null)
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AddError(ApiErrorCode.VALIDATION_REQUIRED, "Template", $"Template array item {i}, object is missing required \"fld\" property ");
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else
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{
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var fldKey = formFieldItem["fld"].Value<string>();
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if (string.IsNullOrWhiteSpace(fldKey))
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AddError(ApiErrorCode.VALIDATION_REQUIRED, "Template", $"Template array item {i}, \"fld\" property exists but is empty, a value is required");
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//validate the field name if we can
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if (ValidFormFields != null)
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{
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if (!ValidFormFields.Exists(z => z.FieldKey == fldKey))
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{
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AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "Template", $"Template array item {i}, fld property value \"{fldKey}\" is not a valid form field value for formKey specified");
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}
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else
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{
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MasterFormField = ValidFormFields.FirstOrDefault(z => z.FieldKey == fldKey);
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}
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}
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}
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if (MasterFormField != null)
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{
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if (formFieldItem["hide"] != null)
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{
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var fieldHideValue = formFieldItem["hide"].Value<bool>();
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if (!MasterFormField.Hideable && fieldHideValue == true)
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AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "Template", $"Template array item {i} (\"{MasterFormField.FieldKey}\"), \"hide\" property value of \"{fieldHideValue}\" is not valid, this field is core and cannot be hidden");
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}
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//validate if it's a custom field that it has a type specified
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if (MasterFormField.IsCustomField && formFieldItem["type"] == null)
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{
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AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "Template", $"Template array item {i} (\"{MasterFormField.FieldKey}\"), \"type\" property value is MISSING for custom field, Custom fields MUST have types specified");
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}
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if (formFieldItem["type"] != null)
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{
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if (!MasterFormField.IsCustomField)
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AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "Template", $"Template array item {i} (\"{MasterFormField.FieldKey}\"), \"type\" property value is not valid, only Custom fields can have types specified");
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else
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{//It is a custom field, is it a valid type value
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var templateFieldCustomTypeValue = formFieldItem["type"].Value<int>();
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if (!ValidCustomFieldTypes.Contains(templateFieldCustomTypeValue))
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AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "Template", $"Template array item {i} (\"{MasterFormField.FieldKey}\"), \"type\" property value of \"{templateFieldCustomTypeValue}\" is not a valid custom field type");
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}
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}
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}
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//other code depends on seeing the required value even if it's not set to true
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if (formFieldItem["required"] == null)
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AddError(ApiErrorCode.VALIDATION_REQUIRED, "Template", $"Template array item {i}, object is missing \"required\" property. All items must contain this property. ");
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//NOTE: value of nothing, null or empty is a valid value so no checking for it here
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}
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}
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catch (Newtonsoft.Json.JsonReaderException ex)
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{
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AddError(ApiErrorCode.VALIDATION_INVALID_VALUE, "Template", "Template is not valid JSON string: " + ex.Message);
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}
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}
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return;
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}
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// //Can delete?
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// private void ValidateCanDelete(FormCustom inObj)
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// {
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// //Leaving this off for now
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// }
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/////////////////////////////////////////////////////////////////////
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}//eoc
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}//eons
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