[api] Add the OBS:ImageTemplate attribute

OBS:ImageTemplates attribute marks a project as source for image templates.
You can query for projects with `Project.image_templates` scope.

src/api/app/models/project.rb

@@ -99,6 +99,12 @@ def autocomplete(search)
   scope :home, -> { where("name like 'home:%'") }
   scope :not_home, -> { where.not("name like 'home:%'") }
 
+  # will return all projects with attribute 'OBS:ImageTemplates'
+  scope :image_templates, lambda {
+    joins(attribs: { attrib_type: :attrib_namespace }).
+      where(attrib_types: { name: 'ImageTemplates' }, attrib_namespaces: { name: 'OBS' })
+  }
+
   validates :name, presence: true, length: { maximum: 200 }, uniqueness: true
   validates :title, length: { maximum: 250 }
   validate :valid_name

src/api/db/attribute_descriptions.rb

@@ -11,6 +11,7 @@ def update_all_attrib_type_descriptions
     "MaintenanceProject"              => "Mark this project as central maintenance project, which is used to coordinate all official updates.",
     "MaintenanceIdTemplate"           => "Released maintenance updates get an ID on first release. This attribute can be used to modify the default scheme.",
 #    "ScreenShots" => "", # to be dropped?
+    "ImageTemplates"                  => "Mark this project as source for image templates.",
     "OwnerRootProject"                => "Mark this project as starting point for the package ownership search. Optional values: \"DisableDevel\": don't follow devel project links. \"BugownerOnly\": limit the result to bugowners (ignoring the maintainer role).",
     "RequestCloned"                   => "Use this attribute to reference a request which will get superseded when a new submit request from this project gets created.",
     "ProjectStatusPackageFailComment" => "Use this attribute to explain why this package is failing. This is displayed on the project status page for instance.",

src/api/db/migrate/20161123124803_image_templates_attribute.rb

@@ -0,0 +1,17 @@
+class ImageTemplatesAttribute < ActiveRecord::Migration[5.0]
+  class AttribTypeModifiableBy < ActiveRecord::Base; end
+
+  def self.up
+    ans = AttribNamespace.find_by_name "OBS"
+    role = Role.find_by_title("Admin")
+
+    AttribTypeModifiableBy.reset_column_information
+
+    at = AttribType.create(attrib_namespace: ans, name: "ImageTemplates")
+    AttribTypeModifiableBy.create(role_id: role.id, attrib_type_id: at.id)
+  end
+
+  def self.down
+    AttribType.find_by_namespace_and_name("OBS", "ImageTemplates").delete()
+  end
+end

src/api/db/seeds.rb

@@ -140,6 +140,8 @@
 at.attrib_type_modifiable_bies.where(user_id: admin.id).first_or_create
 at = ans.attrib_types.where(name: "ScreenShots").first_or_create
 at.attrib_type_modifiable_bies.where(user_id: admin.id).first_or_create
+at = ans.attrib_types.where(name: "ImageTemplates").first_or_create
+at.attrib_type_modifiable_bies.where(user_id: admin.id).first_or_create
 at = ans.attrib_types.where(name: "IncidentPriority").first_or_create(value_count: 1)
 at.attrib_type_modifiable_bies.where(user_id: admin.id).first_or_create
 at = ans.attrib_types.where(name: "EmbargoDate").first_or_create(value_count: 1)

src/api/db/structure.sql

@@ -1117,6 +1117,6 @@ CREATE TABLE `watched_projects` (
   CONSTRAINT `watched_projects_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
 
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('46'), ('47'), ('48'), ('5'), ('6'), ('7'), ('8'), ('9');
+INSERT INTO schema_migrations (version) VALUES ('1'), ('10'), ('11'), ('12'), ('13'), ('14'), ('15'), ('16'), ('17'), ('18'), ('19'), ('2'), ('20'), ('20090701125033'), ('20090703100900'), ('20090716174522'), ('20090717114240'), ('20091017210000'), ('20091022210000'), ('20091022310000'), ('20091029100000'), ('20091030060000'), ('20091102060000'), ('20091111191005'), ('20091115101346'), ('20091117144409'), ('20091117152223'), ('20091118000000'), ('20091119000000'), ('20091119090108'), ('20091119090620'), ('20091124194151'), ('20091206194902'), ('20091209193452'), ('20091209211754'), ('20091226112028'), ('20091229115736'), ('20100102150000'), ('20100104170000'), ('20100109145739'), ('20100125100000'), ('20100202132416'), ('20100302100000'), ('20100304100000'), ('20100315100000'), ('20100316100000'), ('20100316100001'), ('20100327100000'), ('20100329191407'), ('20100423144748'), ('20100426144748'), ('20100428144748'), ('20100429144748'), ('20100506115929'), ('20100507115929'), 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src/api/spec/models/project_spec.rb

@@ -18,6 +18,15 @@
     it { should allow_value("fOO:+-").for(:name) }
   end
 
+  describe ".image_templates" do
+    let(:attribute_type) { AttribType.find_by_namespace_and_name!('OBS', 'ImageTemplates') }
+    let(:leap_project) { create(:project, name: 'openSUSE_Leap') }
+    let!(:attrib) { create(:attrib, attrib_type: attribute_type, project: leap_project) }
+
+    it { expect(Project.image_templates).to eq([leap_project]) }
+  end
+
+
   describe "#update_repositories" do
     let!(:repository_1) { create(:repository, name: 'repo_1', rebuild: "direct", project: project) }
     let!(:repository_2) { create(:repository, name: 'repo_2', project: project) }