Created
March 20, 2014 06:28
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| query = | |
| #hidden | |
| Q = require('q') | |
| qhttp = require 'q-io/http' | |
| get_scroll_id = -> | |
| request = { | |
| method: "POST" | |
| body: [JSON.stringify(query)] | |
| url: 'http://localhost:19201/_search?search_type=scan&scroll=10m&size=50' | |
| } | |
| qhttp.request(request) | |
| .then((response) -> response.body.read()) | |
| .then((resp) -> JSON.parse(resp.toString())) | |
| .then((json) -> console.log "TOTAL:", json.hits.total; json._scroll_id) | |
| get_next_set = (scroll_id) -> | |
| request = { | |
| method: "GET" | |
| url: "http://localhost:19201/_search/scroll/#{scroll_id}?scroll=10m" | |
| } | |
| qhttp.request(request) | |
| .then((response) -> response.body.read()) | |
| .then((resp) -> JSON.parse(resp.toString())) | |
| .then((json) -> json.hits.hits) | |
| .then((hits) -> {scroll_id: scroll_id, hits: hits}) | |
| process_hit = (hit) -> | |
| #hidden | |
| process_and_check_for_end = (hits, scroll_id) -> | |
| nhits = (process_hit(hit) for hit in hits) | |
| if hits.length > 0 | |
| return get_next_set(scroll_id).delay(1000).then((cont) -> process_and_check_for_end(cont.hits, cont.scroll_id)) | |
| else | |
| console.log("FINISHED") | |
| Q.fcall(-> console.log "Starting to download stuff") | |
| .then( -> get_scroll_id()) | |
| .then( (scroll_id) -> get_next_set(scroll_id)) | |
| .then( (cont) -> process_and_check_for_end(cont.hits, cont.scroll_id)) | |
| .fail(console.log) |
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