Add table to story sentry issues

Add table to store the sentry event and issue ids
that are related to a gitlab issue

app/models/issue.rb

@@ -42,6 +42,7 @@ class Issue < ApplicationRecord
   has_many :issue_assignees
   has_many :assignees, class_name: "User", through: :issue_assignees
   has_many :zoom_meetings
+  has_one :sentry_issue
 
   validates :project, presence: true
 

app/models/sentry_issue.rb

+# frozen_string_literal: true
+
+class SentryIssue < ApplicationRecord
+  belongs_to :issue
+
+  validates :issue, uniqueness: true, presence: true
+  validates :sentry_issue_identifier, presence: true
+end

changelogs/unreleased/37026-backend-create-a-table-for-sentry-error-related-issues.yml

+---
+title: Add SentryIssue table to store a link between issue and sentry issue
+merge_request: 37026
+author:
+type: added

db/migrate/20191122161519_create_sentry_issues_table.rb

+# frozen_string_literal: true
+
+class CreateSentryIssuesTable < ActiveRecord::Migration[5.2]
+  DOWNTIME = false
+
+  def change
+    create_table :sentry_issues do |t|
+      t.references :issue,
+        foreign_key: { on_delete: :cascade },
+        index: { unique: true },
+        null: false
+      t.bigint :sentry_issue_identifier, null: false
+    end
+  end
+end

db/schema.rb

@@ -3607,6 +3607,12 @@ ActiveRecord::Schema.define(version: 2019_12_06_122926) do
     t.index ["reply_key"], name: "index_sent_notifications_on_reply_key", unique: true
   end
 
+  create_table "sentry_issues", force: :cascade do |t|
+    t.bigint "issue_id", null: false
+    t.bigint "sentry_issue_identifier", null: false
+    t.index ["issue_id"], name: "index_sentry_issues_on_issue_id", unique: true
+  end
+
   create_table "service_desk_settings", primary_key: "project_id", id: :bigint, default: nil, force: :cascade do |t|
     t.string "issue_template_key", limit: 255
   end
@@ -4660,6 +4666,7 @@ ActiveRecord::Schema.define(version: 2019_12_06_122926) do
   add_foreign_key "scim_oauth_access_tokens", "namespaces", column: "group_id", on_delete: :cascade
   add_foreign_key "self_managed_prometheus_alert_events", "environments", on_delete: :cascade
   add_foreign_key "self_managed_prometheus_alert_events", "projects", on_delete: :cascade
+  add_foreign_key "sentry_issues", "issues", on_delete: :cascade
   add_foreign_key "service_desk_settings", "projects", on_delete: :cascade
   add_foreign_key "services", "projects", name: "fk_71cce407f9", on_delete: :cascade
   add_foreign_key "slack_integrations", "services", on_delete: :cascade

doc/development/import_export.md

@@ -208,7 +208,7 @@ and it is useful for knowing which versions won't be compatible between them.
 
 ### When to bump the version up
 
-We will have to bump the verision if we rename model/columns or perform any format
+We will have to bump the version if we rename model/columns or perform any format
 modifications in the JSON structure or the file structure of the archive file.
 
 We do not need to bump the version up in any of the following cases:

lib/gitlab/import_export/import_export.yml

@@ -29,6 +29,7 @@ tree:
           - :priorities
       - :issue_assignees
       - :zoom_meetings
+      - :sentry_issue
     - snippets:
       - :award_emoji
       - notes:

spec/factories/sentry_issue.rb

+# frozen_string_literal: true
+
+FactoryBot.define do
+  factory :sentry_issue, class: SentryIssue do
+    issue
+    sentry_issue_identifier { 1234567891 }
+  end
+end

spec/fixtures/lib/gitlab/import_export/complex/project.json

@@ -366,7 +366,12 @@
             "type": "ProjectLabel"
           }
         }
-      ]
+      ],
+      "sentry_issue": {
+        "id": 1,
+        "issue_id": 40,
+        "sentry_issue_identifier": 1234567891
+      }
     },
     {
       "id": 39,

spec/lib/gitlab/import_export/all_models.yml

@@ -8,6 +8,7 @@ issues:
 - milestone
 - notes
 - resource_label_events
+- sentry_issue
 - label_links
 - labels
 - last_edited_by
@@ -548,4 +549,6 @@ versions: &version
 - actions
 zoom_meetings:
 - issue
+sentry_issue:
+- issue
 design_versions: *version

spec/lib/gitlab/import_export/project_tree_restorer_spec.rb

@@ -234,6 +234,12 @@ describe Gitlab::ImportExport::ProjectTreeRestorer do
         expect(meetings.first.url).to eq('https://zoom.us/j/123456789')
       end
 
+      it 'restores sentry issues' do
+        sentry_issue = @project.issues.first.sentry_issue
+
+        expect(sentry_issue.sentry_issue_identifier).to eq(1234567891)
+      end
+
       context 'Merge requests' do
         it 'always has the new project as a target' do
           expect(MergeRequest.find_by_title('MR1').target_project).to eq(@project)

spec/lib/gitlab/import_export/safe_model_attributes.yml

@@ -689,6 +689,10 @@ ErrorTracking::ProjectErrorTrackingSetting:
 - project_id
 - project_name
 - organization_name
+SentryIssue:
+- id
+- issue_id
+- sentry_issue_identifier
 Suggestion:
 - id
 - note_id

spec/models/issue_spec.rb

@@ -12,6 +12,7 @@ describe Issue do
     it { is_expected.to belong_to(:duplicated_to).class_name('Issue') }
     it { is_expected.to belong_to(:closed_by).class_name('User') }
     it { is_expected.to have_many(:assignees) }
+    it { is_expected.to have_one(:sentry_issue) }
   end
 
   describe 'modules' do

spec/models/sentry_issue_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe SentryIssue do
+  describe 'associations' do
+    it { is_expected.to belong_to(:issue) }
+  end
+
+  describe 'validations' do
+    let!(:sentry_issue) { create(:sentry_issue) }
+
+    it { is_expected.to validate_presence_of(:issue) }
+    it { is_expected.to validate_uniqueness_of(:issue) }
+    it { is_expected.to validate_presence_of(:sentry_issue_identifier) }
+  end
+end