Add random option for NASA

Author: berkerol

README.md

@@ -15,6 +15,7 @@ Downloads [Bing Photo of the Day](https://www.bing.com), [NASA Astronomy Picture
 * Set date, locale & resolution for Bing photos.
 * Use custom API key for NASA.
 * Set date for NASA photos.
+* Choose a random photo from NASA.
 * Set background display option for Linux.
 * Stores all photos in _~/Pictures/Bing_ & _~/Pictures/NASA_.
 * Runs at startup automatically.
@@ -58,6 +59,7 @@ Flag | Short | Description | Usage
 `--resolution` | `-r` | Set resolution for Bing | `-r 1920x1200`
 `--key` | `-k` | Set API key for NASA | `-k SOME_API_KEY`
 `--date` | `-d` | Set date for NASA (YYYY-mm-dd) | `-d 2019-06-19`
+`--random` | `-R` | Choose a random photo from NASA | `-R`
 `--option` | `-o` | Set background display option for Linux | `-o centered`
 
 ## Examples
@@ -73,6 +75,7 @@ Example | Description
 `$ potd -b 1 -l en-GB -r 1920x1200` | Sets wallpaper as Bing from yesterday and Great Britain with 1920x1200 resolution
 `$ potd -n -k SOME_API_KEY` | Sets wallpaper as NASA using specified API key
 `$ potd -n -d 2019-06-18` | Sets wallpaper as NASA from 2019-06-18
+`$ potd -n -R` | Sets wallpaper as a random NASA photo
 `$ potd -n -k SOME_API_KEY -d 2019-06-18` | Sets wallpaper as NASA from 2019-06-18 using specified API key
 `$ potd -o centered` | Wallpaper centered on desktop
 
@@ -87,6 +90,7 @@ Example | Description
 * [x] Resolution option for Bing
 * [x] Custom API key for NASA
 * [x] Date option for NASA
+* [x] Random option for NASA
 * [x] Background display option for Linux
 * [ ] Windows 10
 * [x] Mac OS X

app.js

@@ -51,6 +51,11 @@ const argv = yargs
       type: 'string',
       default: new Date().toISOString().slice(0, 10)
     },
+    'R': {
+      alias: 'random',
+      describe: 'NASA random option',
+      type: 'boolean'
+    },
     'o': {
       alias: 'option',
       describe: 'Linux background display option',
@@ -79,7 +84,7 @@ const main = async () => {
   if (argv.N) {
     searchUrl = 'https://www.nationalgeographic.com/photography/photo-of-the-day/_jcr_content/.gallery.json';
   } else if (argv.n) {
-    searchUrl = `https://api.nasa.gov/planetary/apod?api_key=${argv.k}&hd=True&date=${argv.d}`;
+    searchUrl = `https://api.nasa.gov/planetary/apod?api_key=${argv.k}&hd=True&${argv.R ? 'count=1' : `date=${argv.d}`}`;
   } else {
     let idx = 0;
     let n = 1;
@@ -104,7 +109,7 @@ const main = async () => {
         photoName = `${photo.title}.jpg`;
         photoDir += 'National Geographic/';
       } else if (argv.n) {
-        photo = res.data;
+        photo = argv.R ? res.data[0] : res.data;
         if (photo.hdurl) {
           photoUrl = photo.hdurl;
           photoName = photoUrl.slice(photoUrl.lastIndexOf('/') + 1);

index.md

@@ -8,6 +8,7 @@ Downloads [Bing Photo of the Day](https://www.bing.com), [NASA Astronomy Picture
 * Set date, locale & resolution for Bing photos.
 * Use custom API key for NASA.
 * Set date for NASA photos.
+* Choose a random photo from NASA.
 * Set background display option for Linux.
 * Stores all photos in _~/Pictures/Bing_ & _~/Pictures/NASA_.
 * Runs at startup automatically.
@@ -51,6 +52,7 @@ Flag | Short | Description | Usage
 `--resolution` | `-r` | Set resolution for Bing | `-r 1920x1200`
 `--key` | `-k` | Set API key for NASA | `-k SOME_API_KEY`
 `--date` | `-d` | Set date for NASA (YYYY-mm-dd) | `-d 2019-06-19`
+`--random` | `-R` | Choose a random photo from NASA | `-R`
 `--option` | `-o` | Set background display option for Linux | `-o centered`
 
 ## Examples
@@ -66,5 +68,6 @@ Example | Description
 `$ potd -b 1 -l en-GB -r 1920x1200` | Sets wallpaper as Bing from yesterday and Great Britain with 1920x1200 resolution
 `$ potd -n -k SOME_API_KEY` | Sets wallpaper as NASA using specified API key
 `$ potd -n -d 2019-06-18` | Sets wallpaper as NASA from 2019-06-18
+`$ potd -n -R` | Sets wallpaper as a random NASA photo
 `$ potd -n -k SOME_API_KEY -d 2019-06-18` | Sets wallpaper as NASA from 2019-06-18 using specified API key
 `$ potd -o centered` | Wallpaper centered on desktop