Sanity service

sanity.service.ts

import { HttpClient } from '@angular/common/http'
import { Inject, Injectable } from '@angular/core'
import { WINDOW } from '@ng-web-apis/common'
import sanityClient, { ClientConfig, SanityClient } from '@sanity/client'
import imageUrlBuilder from '@sanity/image-url'
import { ImageUrlBuilder } from '@sanity/image-url/lib/types/builder'
import { SanityImageSource } from '@sanity/image-url/lib/types/types'
import { map, Observable } from 'rxjs'
import { environment } from '@environment'

@Injectable({
    providedIn: 'root',
})
export class SanityService {
    private client: SanityClient
    private imageUrlBuilder: ImageUrlBuilder
    private clientConfig: ClientConfig = {
        projectId: environment.sanity.projectId,
        dataset: environment.sanity.dataset,
        apiVersion: this.getApiVersion(),
        useCdn: false,
    }

    constructor(
        private http: HttpClient,
        @Inject(WINDOW) private wnd: Window,
    ) {
        this.client = this.createClient()
        this.imageUrlBuilder = imageUrlBuilder(this.client)
    }

    getImageUrlBuilder(source: SanityImageSource): ImageUrlBuilder {
        return this.imageUrlBuilder.image(source)
    }

    fetch<T>(query: string): Observable<T> {
        const url = `${this.generateSanityUrl()}${encodeURIComponent(query)}`
        return this.http.get(url).pipe(map((response: any) => response.result as T))
    }

    private createClient(): SanityClient {
        return sanityClient(this.clientConfig)
    }

    private generateSanityUrl(): string {
        const { apiVersion, dataset, projectId } = this.clientConfig

        const baseUrl =
            this.wnd.location.href.startsWith(environment.web.url) ||
            this.wnd.location.href.startsWith('http://localhost:4200')
                ? `https://${projectId}.api.sanity.io/`
                : `${this.wnd.location.origin}/api/`

        return `${baseUrl}${apiVersion}/data/query/${dataset}?query=`
    }

    private getApiVersion(): string {
        return `v${new Date().toISOString().split('T')[0]}`
    }
}