Merge branch 'feature/interfaces' into 'develop'

Feature/interfaces

See merge request tjohn/cc-data!2

frontend/src/app/interfaces/preset.interface.ts

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+/** Represents the structure of a search preset. */
+export interface Preset {
+  preset_id: number;
+  parameter: string;
+  tag_label: string;
+  value: number[];
+}

frontend/src/app/interfaces/region.interface.ts

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+/** Represents the structure of a region. */
+export interface Region {
+  region_id: number;
+  name: string;
+  country: string;
+}

frontend/src/app/interfaces/result.interface.ts

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+import {SearchParam} from './search-request.interface';
+
+/** Represents the structure of one search result. */
+export interface Result {
+  region_id: string;
+  region_name: string;
+  score: number;
+  scores: Score[];
+}
+
+export interface Score {
+  type: SearchParam;
+  value: number;
+  score: number;
+}

frontend/src/app/interfaces/search-request.interface.ts

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+export enum SearchParam {
+  FROM = 'from',
+  TO = 'to',
+  TEMPERATURE = 'temperature',
+  PRECIPITATION = 'precipitation',
+  RAINDAYS = 'raindays',
+  HUMIDITY = 'humidity',
+  SUNHOURS = 'sunhours',
+  ALCOHOL = 'alcohol',
+  FOOD = 'food'
+}
+
+export interface SearchParams {
+  from: number;
+  to: number;
+  price?: number[];
+  exclude_region_ids?: number[];
+  temperature?: number[];
+  precipitation?: number[];
+  raindays?: number[];
+  humidity?: number[];
+  sunhours?: number[];
+  alcohol?: number[];
+  food?: number[];
+}

frontend/src/app/services/data.service.spec.ts

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+import { TestBed } from '@angular/core/testing';
+
+import { DataService } from './data.service';
+
+describe('DataService', () => {
+  beforeEach(() => TestBed.configureTestingModule({}));
+
+  it('should be created', () => {
+    const service: DataService = TestBed.get(DataService);
+    expect(service).toBeTruthy();
+  });
+});

frontend/src/app/services/data.service.ts

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+import {Injectable} from '@angular/core';
+import {HttpClient, HttpParams} from '@angular/common/http';
+import {Preset} from '../interfaces/preset.interface';
+import {Result} from '../interfaces/result.interface';
+import {SearchParams} from '../interfaces/search-request.interface';
+import {Region} from '../interfaces/region.interface';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class DataService {
+
+  private readonly API_URL = 'https://example.com/api/v1/';
+
+  constructor(private http: HttpClient) {
+  }
+
+  public searchRegions(searchParams: SearchParams): Promise<Result[]> {
+    const params = new HttpParams();
+    params.append('q', btoa(JSON.stringify(searchParams)));
+
+    return this.http.get<Result[]>(this.API_URL + 'search', {params}).toPromise();
+  }
+
+  public getAllPresets(): Promise<Preset[]> {
+    return this.http.get<Preset[]>(this.API_URL + 'preset').toPromise();
+  }
+
+  public getAllRegions(): Promise<Region[]> {
+    return this.http.get<Region[]>(this.API_URL + 'region').toPromise();
+  }
+
+  public toMinMaxArray(min: number, max: number): number[] {
+    return [min, max];
+  }
+}