Service for calling Sentry issues api

2 files changed, 118 insertions, 0 deletions

diff --git a/lib/gitlab/error_tracking/error.rb b/lib/gitlab/error_tracking/error.rb
new file mode 100644
index 00000000000..4af5192aa6a
--- /dev/null
+++ b/lib/gitlab/error_tracking/error.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module ErrorTracking
+    class Error
+      include ActiveModel::Model
+
+      attr_accessor :id, :title, :type, :user_count, :count,
+        :first_seen, :last_seen, :message, :culprit,
+        :external_url, :project_id, :project_name, :project_slug,
+        :short_id, :status, :frequency
+    end
+  end
+end
diff --git a/lib/sentry/client.rb b/lib/sentry/client.rb
new file mode 100644
index 00000000000..343f2c49a7f
--- /dev/null
+++ b/lib/sentry/client.rb
@@ -0,0 +1,104 @@
+# frozen_string_literal: true
+
+module Sentry
+  class Client
+    Error = Class.new(StandardError)
+
+    attr_accessor :url, :token
+
+    def initialize(api_url, token)
+      @url = api_url
+      @token = token
+    end
+
+    def list_issues(issue_status:, limit:)
+      issues = get_issues(issue_status: issue_status, limit: limit)
+      map_to_errors(issues)
+    end
+
+    private
+
+    def request_params
+      {
+        headers: {
+          'Authorization' => "Bearer #{@token}"
+        },
+        follow_redirects: false
+      }
+    end
+
+    def get_issues(issue_status:, limit:)
+      resp = Gitlab::HTTP.get(
+        issues_api_url,
+        **request_params.merge(query: {
+          query: "is:#{issue_status}",
+          limit: limit
+        })
+      )
+
+      handle_response(resp)
+    end
+
+    def handle_response(response)
+      unless response.code == 200
+        raise Client::Error, "Sentry response error: #{response.code}"
+      end
+
+      response.as_json
+    end
+
+    def issues_api_url
+      issues_url = URI(@url + '/issues/')
+      issues_url.path.squeeze!('/')
+
+      issues_url
+    end
+
+    def map_to_errors(issues)
+      issues.map do |issue|
+        map_to_error(issue)
+      end
+    end
+
+    def issue_url(id)
+      issues_url = @url + "/issues/#{id}"
+      issues_url = ErrorTracking::ProjectErrorTrackingSetting.extract_sentry_external_url(issues_url)
+
+      uri = URI(issues_url)
+      uri.path.squeeze!('/')
+
+      uri.to_s
+    end
+
+    def map_to_error(issue)
+      id = issue.fetch('id')
+      project = issue.fetch('project')
+
+      count = issue.fetch('count', nil)
+
+      frequency = issue.dig('stats', '24h')
+      message = issue.dig('metadata', 'value')
+
+      external_url = issue_url(id)
+
+      Gitlab::ErrorTracking::Error.new(
+        id: id,
+        first_seen: issue.fetch('firstSeen', nil),
+        last_seen: issue.fetch('lastSeen', nil),
+        title: issue.fetch('title', nil),
+        type: issue.fetch('type', nil),
+        user_count: issue.fetch('userCount', nil),
+        count: count,
+        message: message,
+        culprit: issue.fetch('culprit', nil),
+        external_url: external_url,
+        short_id: issue.fetch('shortId', nil),
+        status: issue.fetch('status', nil),
+        frequency: frequency,
+        project_id: project.fetch('id'),
+        project_name: project.fetch('name', nil),
+        project_slug: project.fetch('slug', nil)
+      )
+    end
+  end
+end