4 files changed, 12 insertions, 11 deletions
diff --git a/frontend/src/app/_data/Dataset.ts b/frontend/src/app/_data/Dataset.ts
index 87b09c6f..a962fe6b 100644
--- a/frontend/src/app/_data/Dataset.ts
+++ b/frontend/src/app/_data/Dataset.ts
@@ -1,7 +1,6 @@
 import { FolderFile } from "./FolderFile";
 
 export default class Dataset extends FolderFile {
-    _id: string = '';
     constructor(
         name: string = 'Novi izvor podataka',
         public description: string = '',
diff --git a/frontend/src/app/_data/Experiment.ts b/frontend/src/app/_data/Experiment.ts
index cff77535..c140e100 100644
--- a/frontend/src/app/_data/Experiment.ts
+++ b/frontend/src/app/_data/Experiment.ts
@@ -1,9 +1,9 @@
+import { FolderFile } from "./FolderFile";
 import { ProblemType } from "./Model";
-export default class Experiment {
-    _id: string = '';
+export default class Experiment extends FolderFile {
     uploaderId: string = '';
     constructor(
-        public name: string = 'Novi eksperiment',
+        name: string = 'Novi eksperiment',
         public description: string = '',
         public type: ProblemType = ProblemType.Regression,
         public datasetId: string = '',
@@ -11,12 +11,14 @@ export default class Experiment {
         public outputColumn: string = '',
         public nullValues: NullValueOptions = NullValueOptions.DeleteRows,
         public nullValuesReplacers: NullValReplacer[] = [],
-        public dateCreated: Date = new Date(),
-        public lastUpdated: Date = new Date(),
+        dateCreated: Date = new Date(),
+        lastUpdated: Date = new Date(),
         public modelIds: string[] = [],
         public columnTypes: ColumnType[] = [],
         public encodings: ColumnEncoding[] = []//[{columnName: "", columnEncoding: Encoding.Label}]
-    ) { }
+    ) {
+        super(name, dateCreated, lastUpdated)
+    }
 
     _columnsSelected: boolean = false;
 }
diff --git a/frontend/src/app/_data/FolderFile.ts b/frontend/src/app/_data/FolderFile.ts
index c228f25e..4d1844fd 100644
--- a/frontend/src/app/_data/FolderFile.ts
+++ b/frontend/src/app/_data/FolderFile.ts
@@ -1,4 +1,5 @@
 export class FolderFile {
+    public _id: string = "";
     constructor(
         public name: string,
         public dateCreated: Date,
diff --git a/frontend/src/app/_data/Model.ts b/frontend/src/app/_data/Model.ts
index d1e89e84..cc25c91b 100644
--- a/frontend/src/app/_data/Model.ts
+++ b/frontend/src/app/_data/Model.ts
@@ -2,7 +2,6 @@ import { NgIf } from "@angular/common";
 import { FolderFile } from "./FolderFile";
 
 export default class Model extends FolderFile {
-    _id: string = '';
     constructor(
         name: string = 'Novi model',
         public description: string = '',
@@ -132,10 +131,10 @@ export enum LossFunction {
     MeanSquaredLogarithmicError = 'mean_squared_logarithmic_error',
     HuberLoss = 'Huber'
 }
-export const LossFunctionRegression =[LossFunction.MeanAbsoluteError,LossFunction.MeanSquaredError,LossFunction.MeanSquaredLogarithmicError]
-export const LossFunctionBinaryClassification=[LossFunction.BinaryCrossEntropy,LossFunction.SquaredHingeLoss,LossFunction.HingeLoss]
+export const LossFunctionRegression = [LossFunction.MeanAbsoluteError, LossFunction.MeanSquaredError, LossFunction.MeanSquaredLogarithmicError]
+export const LossFunctionBinaryClassification = [LossFunction.BinaryCrossEntropy, LossFunction.SquaredHingeLoss, LossFunction.HingeLoss]
 
-export const LossFunctionMultiClassification=[LossFunction.CategoricalCrossEntropy,LossFunction.SparseCategoricalCrossEntropy,LossFunction.KLDivergence]
+export const LossFunctionMultiClassification = [LossFunction.CategoricalCrossEntropy, LossFunction.SparseCategoricalCrossEntropy, LossFunction.KLDivergence]
 
 export enum Optimizer {
     Adam = 'Adam',