discourse/lib/middleware/request_tracker.rb

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require_dependency 'middleware/anonymous_cache'
class Middleware::RequestTracker
def initialize(app, settings={})
@app = app
end
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def self.log_request_on_site(data,host)
RailsMultisite::ConnectionManagement.with_hostname(host) do
log_request(data)
end
end
def self.log_request(data)
status = data[:status]
track_view = data[:track_view]
if track_view
if data[:is_crawler]
ApplicationRequest.increment!(:page_view_crawler)
elsif data[:has_auth_cookie]
ApplicationRequest.increment!(:page_view_logged_in)
ApplicationRequest.increment!(:page_view_logged_in_mobile) if data[:is_mobile]
else
ApplicationRequest.increment!(:page_view_anon)
ApplicationRequest.increment!(:page_view_anon_mobile) if data[:is_mobile]
end
end
ApplicationRequest.increment!(:http_total)
if status >= 500
ApplicationRequest.increment!(:http_5xx)
elsif data[:is_background]
ApplicationRequest.increment!(:http_background)
elsif status >= 400
ApplicationRequest.increment!(:http_4xx)
elsif status >= 300
ApplicationRequest.increment!(:http_3xx)
elsif status >= 200 && status < 300
ApplicationRequest.increment!(:http_2xx)
end
end
TRACK_VIEW = "HTTP_DISCOURSE_TRACK_VIEW".freeze
CONTENT_TYPE = "Content-Type".freeze
def self.get_data(env,result)
status,headers = result
status = status.to_i
helper = Middleware::AnonymousCache::Helper.new(env)
request = Rack::Request.new(env)
env_track_view = env[TRACK_VIEW]
track_view = status == 200
track_view &&= env_track_view != "0".freeze && env_track_view != "false".freeze
track_view &&= env_track_view || (request.get? && !request.xhr? && headers[CONTENT_TYPE] =~ /text\/html/)
track_view = !!track_view
{
status: status,
is_crawler: helper.is_crawler?,
has_auth_cookie: helper.has_auth_cookie?,
is_background: request.path =~ /^\/message-bus\// || request.path == /\/topics\/timings/,
is_mobile: helper.is_mobile?,
track_view: track_view
}
end
def call(env)
result = @app.call(env)
ensure
# we got to skip this on error ... its just logging
data = self.class.get_data(env,result) rescue nil
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host = RailsMultisite::ConnectionManagement.host(env)
if data
log_later(data,host)
end
end
def log_later(data,host)
Scheduler::Defer.later("Track view", _db=nil) do
self.class.log_request_on_site(data,host)
end
end
end