permissions.ios.ts

// 

import {Injectable} from "@angular/core"
import {confirm} from "ui/dialogs"



@Injectable()
export class Permissions {

	private addressBook: any = null

	isContactsAuthorized(): boolean {
		return ABAddressBookGetAuthorizationStatus() == ABAuthorizationStatus.kABAuthorizationStatusAuthorized
	}

	isContactsDenied(): boolean {
		let status: any = ABAddressBookGetAuthorizationStatus()
		let denied: boolean = (
			status == ABAuthorizationStatus.kABAuthorizationStatusDenied
			||
			status == ABAuthorizationStatus.kABAuthorizationStatusRestricted
		)
		return denied
	}

	requestContactsAuthorization(): Promise<boolean> {
		let status: any = ABAddressBookGetAuthorizationStatus()
		if (status == ABAuthorizationStatus.kABAuthorizationStatusAuthorized) {
			return Promise.resolve(true)
		} else {
			if (!this.addressBook) {
				this.addressBook = ABAddressBookCreateWithOptions(null, null)
			}
			return new Promise((resolve) => {
				ABAddressBookRequestAccessWithCompletion(this.addressBook, function(status: boolean, error: NSError): void {
					if (error) {
						resolve(false)
					} else {
						resolve(status)
					}
				})
			})
		}
	}



	isPhotosAuthorized(): boolean {
		return PHPhotoLibrary.authorizationStatus() == PHAuthorizationStatus.PHAuthorizationStatusAuthorized
	}

	isPhotosDenied(): boolean {
		let status: any = PHPhotoLibrary.authorizationStatus()
		let denied: boolean = (
			status == PHAuthorizationStatus.PHAuthorizationStatusDenied
			||
			status == PHAuthorizationStatus.PHAuthorizationStatusRestricted
		)
		return denied
	}

	requestPhotosAuthorization(): Promise<boolean> {
		return new Promise(function(resolve) {
			PHPhotoLibrary.requestAuthorization(function(status: number): void {
				let authed: boolean = (status == PHAuthorizationStatus.PHAuthorizationStatusAuthorized)
				resolve(authed)
			})
		})
	}



	isSMSAuthorized(): boolean {
		return true
	}

	isSMSDenied(): boolean {
		return false
	}

	requestSMSAuthorization(): Promise<boolean> {
		return Promise.resolve(true)
	}

}