Merge branch 'frontendCSV' of http://gitlab.pmf.kg.ac.rs/igrannonica/neuronstellar into dev

# Conflicts:
#	backend/api/api/Controllers/UserController.cs
#	backend/api/api/Interfaces/IUserStoreDatabaseSettings.cs
#	backend/api/api/Services/IUserService.cs
#	backend/api/api/Services/UserService.cs
#	backend/api/api/appsettings.json

4 files changed, 120 insertions, 0 deletions

diff --git a/frontend/src/app/_elements/dataset-load/dataset-load.component.css b/frontend/src/app/_elements/dataset-load/dataset-load.component.css
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/frontend/src/app/_elements/dataset-load/dataset-load.component.css
diff --git a/frontend/src/app/_elements/dataset-load/dataset-load.component.html b/frontend/src/app/_elements/dataset-load/dataset-load.component.html
new file mode 100644
index 00000000..48883ba0
--- /dev/null
+++ b/frontend/src/app/_elements/dataset-load/dataset-load.component.html
@@ -0,0 +1,46 @@
+<div class="container">
+
+    <input style="display: inline-block; width:350px;" list=delimiterOptions placeholder="Izaberite ili ukucajte delimiter za .csv fajl" class="form-control" [(ngModel)]="delimiter">
+    <datalist id=delimiterOptions>
+      <option *ngFor="let option of delimiterOptions">{{option}}</option>
+    </datalist>
+    &nbsp;&nbsp;&nbsp;
+    <input style="display: inline-block" [ngStyle]="{width:'350px'}"  list=headerOptions placeholder="Da li .csv ima header?" class="form-control" [(ngModel)]="header">
+    <datalist id=headerOptions>
+      <option *ngFor="let option of headerOptions">{{option}}</option>
+    </datalist>
+
+    <br><br>
+
+    <input class="form-control mb-5" type="file" class="upload" (change)="changeListener($event)">
+
+    <table class="table table-bordered table-light mt-5">
+      <thead>
+        <tr>
+          <th *ngFor="let item of csvRecords[0]; let i = index">{{item}}</th>
+        </tr>
+      </thead>
+      <tbody>
+        <!--<tr *ngFor="let row of csvRecords | ((header == 'Da') ? (slice:1:11) : (slice:0:11))">-->
+        <!--<ng-container *ngIf="header == 'Da'">
+          <tr *ngFor="let row of csvRecords | slice:1:11">
+            <td *ngFor="let col of row">{{col}}</td>
+          </tr>
+        </ng-container>
+        <ng-container *ngIf="header == 'Ne'">
+          <tr *ngFor="let row of csvRecords | slice:0:10">
+            <td *ngFor="let col of row">{{col}}</td>
+          </tr>
+        </ng-container>-->
+        
+        <tr *ngFor="let row of csvRecords | slice:1:11">
+          <td *ngFor="let col of row">{{col}}</td>
+        </tr>
+      </tbody>
+    </table>
+    <div *ngIf="csvRecords[0]" id="info">
+        . . . <br>
+      {{rowsNumber}} x {{colsNumber}}
+    </div>
+
+  </div>
\ No newline at end of file
diff --git a/frontend/src/app/_elements/dataset-load/dataset-load.component.spec.ts b/frontend/src/app/_elements/dataset-load/dataset-load.component.spec.ts
new file mode 100644
index 00000000..5601b57b
--- /dev/null
+++ b/frontend/src/app/_elements/dataset-load/dataset-load.component.spec.ts
@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { DatasetLoadComponent } from './dataset-load.component';
+
+describe('DatasetLoadComponent', () => {
+  let component: DatasetLoadComponent;
+  let fixture: ComponentFixture<DatasetLoadComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ DatasetLoadComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(DatasetLoadComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/frontend/src/app/_elements/dataset-load/dataset-load.component.ts b/frontend/src/app/_elements/dataset-load/dataset-load.component.ts
new file mode 100644
index 00000000..7cdfe384
--- /dev/null
+++ b/frontend/src/app/_elements/dataset-load/dataset-load.component.ts
@@ -0,0 +1,49 @@
+import { Component, ViewChild } from '@angular/core';
+import { NgxCsvParser, NgxCSVParserError } from 'ngx-csv-parser';
+
+@Component({
+  selector: 'app-dataset-load',
+  templateUrl: './dataset-load.component.html',
+  styleUrls: ['./dataset-load.component.css']
+})
+export class DatasetLoadComponent {
+
+  delimiter: string = "";
+  delimiterOptions: Array<string> = [",", ";", "\t", "razmak", "|"]; //podrazumevano ","
+
+  header: string = "";
+  headerOptions: Array<string> = ["Da", "Ne"]; //podrazumevano je "Da" ======> false
+
+  slice: string = "";
+
+  csvRecords: any[] = [];
+  rowsNumber: number = 0;
+  colsNumber: number = 0;
+
+  constructor(private ngxCsvParser: NgxCsvParser) {
+  }
+
+  @ViewChild('fileImportInput', { static: false }) fileImportInput: any;
+
+    changeListener($event: any): void {
+
+    const files = $event.srcElement.files;
+
+    this.ngxCsvParser.parse(files[0], { header: (this.header == "") ? false : (this.header == "Da") ? false : true, delimiter: (this.delimiter == "razmak") ? " " : (this.delimiter == "") ? "," : this.delimiter})
+      .pipe().subscribe((result) => {
+
+        console.log('Result', result);
+        if (result.constructor === Array) {
+          this.csvRecords = result;
+          this.rowsNumber = this.csvRecords.length;
+          this.colsNumber = this.csvRecords[0].length;
+        }
+        
+      }, (error: NgxCSVParserError) => {
+        console.log('Error', error);
+      });
+
+  }
+
+
+}