predator_pics/get_random_image.rb

=begin
Copyright (C) 2024 Hexaitos
This file is part of "Predator Pics"

Predator Pics is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Predator Pics is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with Foobar. If not, see <https://www.gnu.org/licenses/>.

Contact: me@bateleur.org, me@hexaitos.com. 
=end

def get_random_image(photos)
	random_photo = photos.sample

	conn = Faraday.new(url: 'https://commons.wikimedia.org/w/api.php') do |faraday|
		faraday.adapter Faraday.default_adapter 
	end
	
	params = {
		action: 'query',
		prop: 'imageinfo',
		titles: "#{random_photo}",  
		iiprop: 'url|user|extmetadata',
		iiurlwidth: 1000,
		format: 'json' 
	}
	
	response = conn.get do |req|
		req.params = params
	end
	
	begin
		data = JSON.parse(response.body)
		info = data['query']['pages'].values.first
		user = info['imageinfo'].first['user']
		user_url = info['imageinfo'].first['extmetadata']['Artist']['value']
		url = info['imageinfo'].first['url']
		license = info['imageinfo'].first['extmetadata']['LicenseShortName']['value']
		license_url = info['imageinfo'].first['extmetadata']['LicenseUrl']['value']
		desc = info['imageinfo'].first['extmetadata']['ImageDescription']['value']
		thumb = info['imageinfo'].first['thumburl'] 
	rescue
		puts "ERROR OCCURRED"
		return {:user => user, :url => url, :thumb => thumb, :license => license, :desc => desc, :license_url => license_url, :user_url => user_url}
	end
	
	return {:user => user, :url => url, :thumb => thumb, :license => license, :desc => desc, :license_url => license_url, :user_url => user_url}
end