Add FindingEvidenceRequest and table

Includes database migration and schema

changelogs/unreleased/239179-new-model-for-finding-evidences-request.yml

+---
+title: Add VulnerabiltyFindingEvidenceRequest model
+merge_request: 59539
+author:
+type: changed

db/migrate/20210415172516_create_vulnerability_finding_evidence_requests.rb

+# frozen_string_literal: true
+
+class CreateVulnerabilityFindingEvidenceRequests < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    create_table_with_constraints :vulnerability_finding_evidence_requests do |t|
+      t.timestamps_with_timezone null: false
+
+      t.references :vulnerability_finding_evidences, index: { name: 'finding_evidence_requests_on_finding_evidence_id' }, null: false, foreign_key: { on_delete: :cascade }
+      t.text :method
+      t.text :url
+
+      t.text_limit :method, 32
+      t.text_limit :url, 2048
+    end
+  end
+
+  def down
+    with_lock_retries do
+      drop_table :vulnerability_finding_evidence_requests
+    end
+  end
+end

db/schema_migrations/20210415172516

+06d33e4eb99e46cb6caf71916e5c93c4b7eb9fe73152841c7c41d5e157ec339e
\ No newline at end of file

db/structure.sql

@@ -18540,6 +18540,26 @@ CREATE SEQUENCE vulnerability_feedback_id_seq
 
 ALTER SEQUENCE vulnerability_feedback_id_seq OWNED BY vulnerability_feedback.id;
 
+CREATE TABLE vulnerability_finding_evidence_requests (
+    id bigint NOT NULL,
+    created_at timestamp with time zone NOT NULL,
+    updated_at timestamp with time zone NOT NULL,
+    vulnerability_finding_evidences_id bigint NOT NULL,
+    method text,
+    url text,
+    CONSTRAINT check_8152fbb236 CHECK ((char_length(url) <= 2048)),
+    CONSTRAINT check_d9d11300f4 CHECK ((char_length(method) <= 32))
+);
+
+CREATE SEQUENCE vulnerability_finding_evidence_requests_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER SEQUENCE vulnerability_finding_evidence_requests_id_seq OWNED BY vulnerability_finding_evidence_requests.id;
+
 CREATE TABLE vulnerability_finding_evidences (
     id bigint NOT NULL,
     created_at timestamp with time zone NOT NULL,
@@ -19845,6 +19865,8 @@ ALTER TABLE ONLY vulnerability_external_issue_links ALTER COLUMN id SET DEFAULT
 
 ALTER TABLE ONLY vulnerability_feedback ALTER COLUMN id SET DEFAULT nextval('vulnerability_feedback_id_seq'::regclass);
 
+ALTER TABLE ONLY vulnerability_finding_evidence_requests ALTER COLUMN id SET DEFAULT nextval('vulnerability_finding_evidence_requests_id_seq'::regclass);
+
 ALTER TABLE ONLY vulnerability_finding_evidences ALTER COLUMN id SET DEFAULT nextval('vulnerability_finding_evidences_id_seq'::regclass);
 
 ALTER TABLE ONLY vulnerability_finding_links ALTER COLUMN id SET DEFAULT nextval('vulnerability_finding_links_id_seq'::regclass);
@@ -21475,6 +21497,9 @@ ALTER TABLE ONLY vulnerability_external_issue_links
 ALTER TABLE ONLY vulnerability_feedback
     ADD CONSTRAINT vulnerability_feedback_pkey PRIMARY KEY (id);
 
+ALTER TABLE ONLY vulnerability_finding_evidence_requests
+    ADD CONSTRAINT vulnerability_finding_evidence_requests_pkey PRIMARY KEY (id);
+
 ALTER TABLE ONLY vulnerability_finding_evidences
     ADD CONSTRAINT vulnerability_finding_evidences_pkey PRIMARY KEY (id);
 
@@ -21711,6 +21736,8 @@ CREATE UNIQUE INDEX epic_user_mentions_on_epic_id_index ON epic_user_mentions US
 
 CREATE INDEX expired_artifacts_temp_index ON ci_job_artifacts USING btree (id, created_at) WHERE ((expire_at IS NULL) AND (date(timezone('UTC'::text, created_at)) < '2020-06-22'::date));
 
+CREATE INDEX finding_evidence_requests_on_finding_evidence_id ON vulnerability_finding_evidence_requests USING btree (vulnerability_finding_evidences_id);
+
 CREATE INDEX finding_evidences_on_vulnerability_occurrence_id ON vulnerability_finding_evidences USING btree (vulnerability_occurrence_id);
 
 CREATE INDEX finding_links_on_vulnerability_occurrence_id ON vulnerability_finding_links USING btree (vulnerability_occurrence_id);
@@ -25825,6 +25852,9 @@ ALTER TABLE ONLY lfs_file_locks
 ALTER TABLE ONLY dast_site_profile_secret_variables
     ADD CONSTRAINT fk_rails_43e2897950 FOREIGN KEY (dast_site_profile_id) REFERENCES dast_site_profiles(id) ON DELETE CASCADE;
 
+ALTER TABLE ONLY vulnerability_finding_evidence_requests
+    ADD CONSTRAINT fk_rails_4410592084 FOREIGN KEY (vulnerability_finding_evidences_id) REFERENCES vulnerability_finding_evidences(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY merge_request_assignees
     ADD CONSTRAINT fk_rails_443443ce6f FOREIGN KEY (merge_request_id) REFERENCES merge_requests(id) ON DELETE CASCADE;
 

ee/app/models/vulnerabilities/finding_evidence.rb

@@ -5,5 +5,7 @@ module Vulnerabilities
     self.table_name = 'vulnerability_finding_evidences'
 
     belongs_to :finding, class_name: 'Vulnerabilities::Finding', inverse_of: :finding_evidences, foreign_key: 'vulnerability_occurrence_id', optional: false
+
+    has_many :requests, class_name: 'Vulnerabilities::FindingEvidenceRequest', inverse_of: :finding_evidence, foreign_key: 'vulnerability_finding_evidences_id'
   end
 end

ee/app/models/vulnerabilities/finding_evidence_request.rb

+# frozen_string_literal: true
+
+module Vulnerabilities
+  class FindingEvidenceRequest < ApplicationRecord
+    self.table_name = 'vulnerability_finding_evidence_requests'
+
+    belongs_to :finding_evidence, class_name: 'Vulnerabilities::FindingEvidence', inverse_of: :requests, foreign_key: 'vulnerability_finding_evidences_id', optional: false
+  end
+end

ee/spec/models/vulnerabilities/finding_evidence_request_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Vulnerabilities::FindingEvidenceRequest do
+  it { is_expected.to belong_to(:finding_evidence).class_name('Vulnerabilities::FindingEvidence').required }
+end

ee/spec/models/vulnerabilities/finding_evidence_spec.rb

@@ -4,4 +4,5 @@ require 'spec_helper'
 
 RSpec.describe Vulnerabilities::FindingEvidence do
   it { is_expected.to belong_to(:finding).class_name('Vulnerabilities::Finding').required }
+  it { is_expected.to have_many(:requests).class_name('Vulnerabilities::FindingEvidenceRequest').with_foreign_key('vulnerability_finding_evidences_id') }
 end