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# Licensed to Elasticsearch B.V. under one or more contributor
# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch B.V. licenses this file to you under
# the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
require 'sinatra'
require 'json'
require 'elasticsearch'
require_relative './games_data.rb'
class ElasticSinatraApp < Sinatra::Base
use ElasticAPM::Middleware
before do
@client = Elasticsearch::Client.new(
hosts: ENV['ELASTICSEARCH_HOSTS'] || 'localhost:9200'
)
end
get '/' do
response = @client.cluster.health
json_response(response)
end
get '/ingest' do
unless @client.indices.exists(index: 'games')
@client.indices.create(index: 'games')
end
ElasticAPMExample::GAMES.each_slice(250) do |slice|
@client.bulk(
body: slice.map do |game|
{ index: { _index: 'games', data: game } }
end
)
end
json_response(status: 'ok')
end
get '/search/:query' do
query = sanitize(params[:query])
response = search_elasticsearch(query)
json_response(response['hits']['hits'])
end
get '/delete' do
response = @client.delete_by_query(
index: 'games',
body: {
query: { match_all: {} }
}
)
json_response(response)
end
get '/delete/:id' do
id = sanitize(params[:id])
begin
response = @client.delete(index: 'games', id: id)
json_response(response)
rescue Elasticsearch::Transport::Transport::Errors::NotFound => e
json_response(e, 404)
end
end
get '/update' do
response = []
docs = search_elasticsearch
docs['hits']['hits'].each do |doc|
response << @client.update(
index: 'games',
id: doc['_id'],
body: {
doc: {
modified: DateTime.now
}
}
)
end
json_response(response)
end
get '/error' do
begin
@client.delete(index: 'games', id: 'somerandomid')
rescue Elasticsearch::Transport::Transport::Errors::NotFound => e
json_response(e, 404)
end
end
get '/doc/:id' do
response = @client.get(index: 'games', id: sanitize(params[:id]))
json_response(response)
end
private
def json_response(response, code = 200)
[
code,
{ 'Content-Type' => 'application/json' },
[response.to_json]
]
end
def sanitize(params)
Rack::Utils.escape_html(params)
end
def search_elasticsearch(query = '')
@client.search(
index: 'games',
body:
{
query: { multi_match: { query: query } }
}
)
end
end
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