discourse/lib/discourse_hub.rb

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# frozen_string_literal: true
module DiscourseHub
STATS_FETCHED_AT_KEY = "stats_fetched_at"
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def self.version_check_payload
default_payload = { installed_version: Discourse::VERSION::STRING }.merge!(
Discourse.git_branch == "unknown" ? {} : { branch: Discourse.git_branch },
)
default_payload.merge!(get_payload)
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end
def self.discourse_version_check
get("/version_check", version_check_payload)
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end
def self.stats_fetched_at=(time_with_zone)
Discourse.redis.set STATS_FETCHED_AT_KEY, time_with_zone.to_i
end
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def self.get_payload
if SiteSetting.share_anonymized_statistics && stats_fetched_at < 7.days.ago
About.fetch_cached_stats.symbolize_keys
else
{}
end
end
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def self.get(rel_url, params = {})
singular_action :get, rel_url, params
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end
def self.post(rel_url, params = {})
collection_action :post, rel_url, params
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end
def self.put(rel_url, params = {})
collection_action :put, rel_url, params
end
def self.delete(rel_url, params = {})
singular_action :delete, rel_url, params
end
def self.singular_action(action, rel_url, params = {})
connect_opts = connect_opts(params)
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JSON.parse(
Excon.public_send(
action,
"#{hub_base_url}#{rel_url}",
{
headers: {
"Referer" => referer,
"Accept" => accepts.join(", "),
},
query: params,
omit_default_port: true,
}.merge(connect_opts),
).body,
)
end
def self.collection_action(action, rel_url, params = {})
connect_opts = connect_opts(params)
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response =
Excon.public_send(
action,
"#{hub_base_url}#{rel_url}",
{
body: JSON[params],
headers: {
"Referer" => referer,
"Accept" => accepts.join(", "),
"Content-Type" => "application/json",
},
omit_default_port: true,
}.merge(connect_opts),
)
if (status = response.status) != 200
Rails.logger.warn(response_status_log_message(rel_url, status))
end
begin
JSON.parse(response.body)
rescue JSON::ParserError
Rails.logger.error(response_body_log_message(response.body))
end
end
def self.response_status_log_message(rel_url, status)
"Discourse Hub (#{hub_base_url}#{rel_url}) returned a bad status #{status}."
end
def self.response_body_log_message(body)
"Discourse Hub returned a bad response body: #{body}"
end
def self.connect_opts(params = {})
params.delete(:connect_opts)&.except(:body, :headers, :query) || {}
end
def self.hub_base_url
if Rails.env.production?
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ENV["HUB_BASE_URL"] || "https://api.discourse.org/api"
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else
ENV["HUB_BASE_URL"] || "http://local.hub:3000/api"
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end
end
def self.accepts
%w[application/json application/vnd.discoursehub.v1]
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end
def self.referer
Discourse.base_url
end
def self.stats_fetched_at
t = Discourse.redis.get(STATS_FETCHED_AT_KEY)
t ? Time.zone.at(t.to_i) : 1.year.ago
end
end