From ff2ff5ccd8ca51f361ee8292c80cdfd1b4918075 Mon Sep 17 00:00:00 2001
From: Gleidson Daniel <gleidson10daniel@hotmail.com>
Date: Thu, 15 Sep 2022 14:24:30 -0300
Subject: [PATCH] create pickImageFromLibrary method

---
 app/lib/methods/mediaPicker.ts | 72 ++++++++++++++++++++++------------
 1 file changed, 46 insertions(+), 26 deletions(-)

diff --git a/app/lib/methods/mediaPicker.ts b/app/lib/methods/mediaPicker.ts
index 874cca39d..64aee7ff3 100644
--- a/app/lib/methods/mediaPicker.ts
+++ b/app/lib/methods/mediaPicker.ts
@@ -1,3 +1,4 @@
+/* eslint-disable no-redeclare */
 import * as FileSystem from 'expo-file-system';
 import * as ImagePicker from 'expo-image-picker';
 import { PermissionsAndroid } from 'react-native';
@@ -6,6 +7,13 @@ import * as mime from 'react-native-mime-types';
 import { isAndroid } from './helpers';
 import log from './helpers/log';
 
+interface ImagePickerFile extends ImagePicker.ImageInfo {
+	path: string;
+	filename: string;
+	size?: number;
+	mime: string;
+}
+
 const handlePermission = async (): Promise<boolean> => {
 	if (isAndroid) {
 		const permissions = await PermissionsAndroid.requestMultiple([
@@ -30,10 +38,22 @@ const handlePermission = async (): Promise<boolean> => {
 	return true;
 };
 
+const addAdditionalPropsToFile = async (file: ImagePicker.ImageInfo) => {
+	const fileInfo = await FileSystem.getInfoAsync(file.uri);
+	const data = {
+		...file,
+		path: file.uri,
+		filename: `${file.uri.substring(file.uri.lastIndexOf('/') + 1)}`,
+		size: fileInfo.size,
+		mime: mime.lookup(file.uri)
+	};
+	return data;
+};
+
 const pickFromCamera = async (
 	allowsEditing: boolean,
 	mediaType: ImagePicker.MediaTypeOptions
-): Promise<ImagePicker.ImagePickerResult | null> => {
+): Promise<ImagePickerFile | null> => {
 	try {
 		const hasPermission = await handlePermission();
 		if (!hasPermission) return null;
@@ -42,18 +62,7 @@ const pickFromCamera = async (
 			quality: 1,
 			allowsEditing
 		});
-
-		if (!image.cancelled) {
-			const file = await FileSystem.getInfoAsync(image.uri);
-			const data = {
-				...image,
-				path: image.uri,
-				filename: `${file.uri.substring(file.uri.lastIndexOf('/') + 1)}`,
-				size: file.size,
-				mime: mime.lookup(image.uri)
-			};
-			return data;
-		}
+		if (!image.cancelled) return addAdditionalPropsToFile(image);
 		return null;
 	} catch (error) {
 		log(error);
@@ -61,7 +70,7 @@ const pickFromCamera = async (
 	}
 };
 
-export const pickImageAndVideoFromLibrary = async (): Promise<ImagePicker.ImagePickerResult[] | null> => {
+export const pickMultipleImageAndVideoFromLibrary = async (): Promise<ImagePickerFile[] | null> => {
 	try {
 		const result = await ImagePicker.launchImageLibraryAsync({
 			mediaTypes: ImagePicker.MediaTypeOptions.All,
@@ -69,16 +78,7 @@ export const pickImageAndVideoFromLibrary = async (): Promise<ImagePicker.ImageP
 			allowsMultipleSelection: true
 		});
 		if (!result.cancelled) {
-			const selectedFiles = result.selected.map(async file => {
-				const fileInfo = await FileSystem.getInfoAsync(file.uri);
-				return {
-					...file,
-					path: file.uri,
-					filename: `${file.uri.substring(file.uri.lastIndexOf('/') + 1)}`,
-					size: fileInfo.size,
-					mime: mime.lookup(file.uri)
-				};
-			});
+			const selectedFiles = result.selected.map(file => addAdditionalPropsToFile(file));
 			const files = await Promise.all(selectedFiles);
 			return files;
 		}
@@ -89,8 +89,28 @@ export const pickImageAndVideoFromLibrary = async (): Promise<ImagePicker.ImageP
 	}
 };
 
-export const pickVideoFromCamera = (allowsEditing = false): Promise<ImagePicker.ImagePickerResult | null> =>
+// Function Overload - https://www.typescriptlang.org/docs/handbook/2/functions.html#function-overloads
+export async function pickImageFromLibrary(base64: true): Promise<(ImagePickerFile & { data: string }) | null>;
+export async function pickImageFromLibrary(base64?: false): Promise<ImagePickerFile | null>;
+export async function pickImageFromLibrary(base64?: boolean): Promise<ImagePickerFile | (ImagePickerFile & { data: string }) | null> {
+	try {
+		const image = await ImagePicker.launchImageLibraryAsync({
+			mediaTypes: ImagePicker.MediaTypeOptions.Images,
+			quality: undefined, // to force animated gifs
+			base64
+		});
+		if (!image.cancelled) return addAdditionalPropsToFile(image);
+		return null;
+	} catch (error) {
+		log(error);
+		return null;
+	}
+}
+
+export const pickImageFromLibraryC = () => pickImageFromLibrary;
+
+export const pickVideoFromCamera = (allowsEditing = false): Promise<ImagePickerFile | null> =>
 	pickFromCamera(allowsEditing, ImagePicker.MediaTypeOptions.Videos);
 
-export const pickImageFromCamera = (allowsEditing = false): Promise<ImagePicker.ImagePickerResult | null> =>
+export const pickImageFromCamera = (allowsEditing = false): Promise<ImagePickerFile | null> =>
 	pickFromCamera(allowsEditing, ImagePicker.MediaTypeOptions.Images);