watcher-with-country.json

{
	"trigger": {
		"schedule": {
			"interval": "12h"
		}
	},
	"input": {
		"search": {
			"request": {
				"body": {
					"query": {
						"bool": {
							"must": [{
									"match": {
										"country_region.keyword": "<REPLACE_WITH_COUNTRY>"
									}
								}
							]
						}
					},
					"size": 2,
					"sort": {
						"@timestamp": {
							"order": "desc"
						}
					}
				},
				"indices": [
					"covid-19-live-update"
				]
			}
		}
	},
	"condition": {
		"compare": {
			"ctx.payload.hits.total": {
				"gt": 1
			}
		}
	},
	"transform": {
		"script": "return [ 'country' : ctx.payload.hits.hits[0]._source.country_region, 'province' : ctx.payload.hits.hits[0]._source.province_state, 'confirmed_today' : ctx.payload.hits.hits[0]._source.confirmed, 'deaths_today' : ctx.payload.hits.hits[0]._source.deaths, 'recovered_today' : ctx.payload.hits.hits[0]._source.recovered, 'confirmed_yesterday' : ctx.payload.hits.hits[1]._source.confirmed, 'deaths_yesterday' : ctx.payload.hits.hits[1]._source.deaths, 'recovered_yesterday' : ctx.payload.hits.hits[1]._source.recovered, 'difference_confirmed' : (Integer.parseInt(ctx.payload.hits.hits[0]._source.confirmed) - Integer.parseInt(ctx.payload.hits.hits[1]._source.confirmed)), 'difference_deaths' : (Integer.parseInt(ctx.payload.hits.hits[0]._source.deaths) - Integer.parseInt(ctx.payload.hits.hits[1]._source.deaths)), 'difference_recovered' : (Integer.parseInt(ctx.payload.hits.hits[0]._source.recovered) - Integer.parseInt(ctx.payload.hits.hits[1]._source.recovered))]"
	},
	"actions": {
		"email": {
			"email": {
				"to": "username@example.org",
				"subject": "COVID-19 Status for {{ctx.payload.country}}",
				"body": "Confirmed/Recovered/Dead: {{ctx.payload.confirmed_today}} (+{{ctx.payload.difference_confirmed}}) / {{ctx.payload.recovered_today}} (+{{ctx.payload.difference_recovered}}) / {{ctx.payload.deaths_today}} (+{{ctx.payload.difference_deaths}})"
			}
		}
	}
}