Store last_synced_at on issues

app/models/issue.rb

@@ -100,7 +100,8 @@ def self.update_from_github(repo_full_name, remote_issue)
       issue.milestone_name = remote_issue.milestone.try(:title)
       issue.milestone_id = remote_issue.milestone.try(:number)
       issue.labels = remote_issue.labels.map(&:name)
-      issue.save if issue.changed?
+      issue.last_synced_at = Time.zone.now
+      issue.save
     rescue ArgumentError, Octokit::Error
       # derp
     end
@@ -128,10 +129,6 @@ def pull_request?
     html_url && html_url.match?(/\/pull\//i)
   end
 
-  def self.sync_pull_requests(time_range = 1.week.ago)
-    internal.pull_requests.where('issues.created_at > ?', time_range).where(merged_at: nil).find_each(&:download_pull_request)
-  end
-
   def download_pull_request
     return unless pull_request?
     return if merged_at.present?
@@ -179,6 +176,7 @@ def sync
       remote_issue = Issue.github_client.issue(repo_full_name, number)
       Issue.update_from_github(repo_full_name, remote_issue)
       update_extra_attributes
+      update_column(:last_synced_at, Time.zone.now)
     rescue Octokit::NotFound
       destroy
     end

db/migrate/20200702145622_add_last_synced_at_to_issues.rb

@@ -0,0 +1,5 @@
+class AddLastSyncedAtToIssues < ActiveRecord::Migration[6.0]
+  def change
+    add_column :issues, :last_synced_at, :datetime
+  end
+end

db/schema.rb

@@ -10,9 +10,10 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2020_06_15_133314) do
+ActiveRecord::Schema.define(version: 2020_07_02_145622) do
 
   # These are extensions that must be enabled in order to support this database
+  enable_extension "pg_stat_statements"
   enable_extension "plpgsql"
 
   create_table "contributors", force: :cascade do |t|
@@ -76,6 +77,7 @@
     t.datetime "first_response_at"
     t.integer "response_time"
     t.bigint "github_id"
+    t.datetime "last_synced_at"
     t.index ["collabs"], name: "index_issues_on_collabs", using: :gin
     t.index ["created_at"], name: "index_issues_on_created_at"
     t.index ["org"], name: "index_issues_on_org"

lib/tasks/issues.rake

@@ -1,9 +1,4 @@
 namespace :issues do
-  task sync: :environment do
-    Issue.download_active_repos
-    Issue.sync_pull_requests
-  end
-
   task sync_collabs: :environment do
     Organization.collaborator.pluck(:name).each do |org|
       Repository.sync_recently_active_repos(org)