feat: implement a search for professors

src/components/schedule-tabs/schedule-tabs-professor/schedule-tabs-professor.component.ts

@@ -0,0 +1,71 @@
+import {Component, EventEmitter, Input, OnInit, Output} from "@angular/core";
+import {MatFormField, MatInput} from "@angular/material/input";
+import {FormControl, FormsModule, ReactiveFormsModule} from "@angular/forms";
+import {
+  MatAutocomplete,
+  MatAutocompleteSelectedEvent,
+  MatAutocompleteTrigger,
+  MatOptgroup,
+  MatOption
+} from "@angular/material/autocomplete";
+import {AsyncPipe} from "@angular/common";
+import {DataSpinnerComponent} from "@component/data-spinner/data-spinner.component";
+import {map, Observable, startWith} from "rxjs";
+
+
+export interface Professors {
+  id: number,
+  name: string
+}
+
+@Component({
+  selector: 'app-schedule-tabs-professor',
+  standalone: true,
+  imports: [
+    MatFormField,
+    MatInput,
+    FormsModule,
+    MatAutocompleteTrigger,
+    MatAutocomplete,
+    MatOptgroup,
+    ReactiveFormsModule,
+    MatOption,
+    AsyncPipe,
+    DataSpinnerComponent
+  ],
+  templateUrl: './schedule-tabs-professor.component.html',
+  styleUrl: './schedule-tabs-professor.component.css'
+})
+export class ScheduleTabsProfessorComponent implements OnInit {
+  protected teacherControl = new FormControl();
+  protected filteredTeachers!: Observable<Professors[]>;
+
+  @Input() teachers: Professors[] = [];
+  @Output() optionSelected = new EventEmitter<number>();
+
+  ngOnInit(): void {
+    this.filteredTeachers = this.teacherControl.valueChanges.pipe(
+      startWith(''),
+      map(value => this._filterTeachers(value))
+    );
+  }
+
+  private _filterTeachers(value: string | number): Professors[] {
+    if (typeof value === 'string') {
+      if (value === '') return [];
+      const filterValue = value.toLowerCase();
+      return this.teachers.filter(teacher => teacher.name.toLowerCase().includes(filterValue));
+    } else {
+      const selectedTeacher = this.teachers.find(teacher => teacher.id === value);
+      return selectedTeacher ? [selectedTeacher] : [];
+    }
+  }
+
+  protected onOptionSelected(event: MatAutocompleteSelectedEvent) {
+    const selectedOption = this.teachers.find(teacher => teacher.id === event.option.value);
+    if (selectedOption) {
+      this.teacherControl.setValue(selectedOption.name);
+      this.optionSelected.emit(selectedOption.id);
+    }
+  }
+}