create tool_setting and tool_link models

fixes PLAT-600

test-plan:
specs pass

Change-Id: Ic7168bb5cca194b16b3c7f92ea51584ba9e747e7
Reviewed-on: https://gerrit.instructure.com/39714
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Brad Humphrey <brad@instructure.com>
Product-Review: Nathan Mills <nathanm@instructure.com>
QA-Review: Nathan Mills <nathanm@instructure.com>

app/models/lti/resource_handler.rb

@@ -24,6 +24,7 @@ module Lti
     belongs_to :tool_proxy, class_name: 'Lti::ToolProxy'
     has_many :message_handlers, class_name: 'Lti::MessageHandler', :foreign_key => :resource_handler_id
     has_many :placements, class_name: 'Lti::ResourcePlacement'
+    has_many :tool_links, :class_name => 'Lti::ToolLink'
 
     serialize :icon_info
 

app/models/lti/tool_link.rb

@@ -0,0 +1,28 @@
+# Copyright (C) 2014 Instructure, Inc.
+#
+# This file is part of Canvas.
+#
+# Canvas is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the Free
+# Software Foundation, version 3 of the License.
+#
+# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+module Lti
+  class ToolLink < ActiveRecord::Base
+    belongs_to :resource_handler, class_name: 'Lti::ResourceHandler'
+    has_one :tool_setting, :class_name => 'Lti::ToolSetting', as: :settable
+
+    attr_accessible :uuid
+
+    after_initialize { self.uuid = SecureRandom::uuid}
+
+  end
+end

app/models/lti/tool_proxy.rb

@@ -27,6 +27,7 @@ module Lti
     belongs_to :context, :polymorphic => true
 
     belongs_to :product_family, class_name: 'Lti::ProductFamily'
+    has_one :tool_setting, :class_name => 'Lti::ToolSetting', as: :settable
 
     serialize :raw_data
 

app/models/lti/tool_proxy_binding.rb

@@ -23,6 +23,7 @@ module Lti
     belongs_to :tool_proxy, class_name: 'Lti::ToolProxy'
     validates_inclusion_of :context_type, :allow_nil => true, :in => ['Course', 'Account']
     belongs_to :context, :polymorphic => true
+    has_one :tool_setting, :class_name => 'Lti::ToolSetting', as: :settable
 
     validates_presence_of :tool_proxy, :context
 

app/models/lti/tool_setting.rb

@@ -0,0 +1,24 @@
+# Copyright (C) 2014 Instructure, Inc.
+#
+# This file is part of Canvas.
+#
+# Canvas is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the Free
+# Software Foundation, version 3 of the License.
+#
+# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+module Lti
+  class ToolSetting < ActiveRecord::Base
+    belongs_to :settable, polymorphic: true
+
+    serialize :custom
+  end
+end

db/migrate/20140821130508_add_lti_tool_settings.rb

@@ -0,0 +1,25 @@
+class AddLtiToolSettings < ActiveRecord::Migration
+  tag :predeploy
+
+  def self.up
+    create_table :lti_tool_settings do |t|
+      t.integer :settable_id, limit: 8, null: false
+      t.string :settable_type, null: false
+      t.text :custom
+    end
+
+    create_table :lti_tool_links do |t|
+      t.integer :resource_handler_id, limit: 8, null: false
+      t.string :uuid, null: false
+    end
+
+    add_index :lti_tool_links, :uuid, unique: true
+    add_index :lti_tool_settings, [:settable_id, :settable_type], unique: true
+  end
+
+  def self.down
+    drop_table :lti_tool_settings
+    drop_table :lti_tool_links
+  end
+
+end

spec/models/lti/tool_link_spec.rb

@@ -0,0 +1,64 @@
+#
+# Copyright (C) 2014 Instructure, Inc.
+#
+# This file is part of Canvas.
+#
+# Canvas is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the Free
+# Software Foundation, version 3 of the License.
+#
+# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+
+module Lti
+  describe ToolLink do
+
+    let (:account) { Account.create }
+    let (:product_family) { ProductFamily.create(vendor_code: '123', product_code: 'abc', vendor_name: 'acme', root_account: account) }
+    let (:resource_handler) { ResourceHandler.create(resource_type_code: 'code', name: 'resource name', tool_proxy: tool_proxy) }
+    let (:message_handler) { MessageHandler.create(message_type: 'message_type', launch_path:'https://samplelaunch/blti', resource: resource_handler)}
+    let (:tool_proxy) { ToolProxy.create(
+      shared_secret: 'shared_secret',
+      guid: 'guid',
+      product_version: '1.0beta',
+      lti_version: 'LTI-2p0',
+      product_family: product_family,
+      context: account,
+      workflow_state: 'active',
+      raw_data: 'some raw data'
+    ) }
+    subject{resource_handler.tool_links.create}
+
+
+    describe '#create' do
+
+      it 'sets the uuid by default' do
+
+        link = resource_handler.tool_links.create
+        link.uuid.should_not == nil
+
+      end
+
+
+    end
+
+    context 'tool_settings' do
+      it 'can have a tool setting' do
+        subject.create_tool_setting(custom: {name: :foo})
+        subject.tool_setting[:custom].should == {name: :foo}
+
+      end
+    end
+
+
+
+  end
+end

spec/models/lti/tool_proxy_binding_spec.rb

@@ -43,6 +43,31 @@ describe ToolProxyBinding do
       subject.errors.first.should == [:tool_proxy, "can't be blank"]
     end
 
+    context 'tool_settings' do
+      let (:account) { Account.create }
+      let (:product_family) { ProductFamily.create(vendor_code: '123', product_code: 'abc', vendor_name: 'acme', root_account: account) }
+      let (:resource_handler) { ResourceHandler.create(resource_type_code: 'code', name: 'resource name', tool_proxy: tool_proxy) }
+      let (:message_handler) { MessageHandler.create(message_type: 'message_type', launch_path:'https://samplelaunch/blti', resource: resource_handler)}
+      let (:tool_proxy) { ToolProxy.create(
+        shared_secret: 'shared_secret',
+        guid: 'guid',
+        product_version: '1.0beta',
+        lti_version: 'LTI-2p0',
+        product_family: product_family,
+        context: account,
+        workflow_state: 'active',
+        raw_data: 'some raw data'
+      ) }
+      subject{ tool_proxy.bindings.create(context:account)}
+
+      it 'can have a tool setting' do
+        subject.create_tool_setting(custom: {name: :foo})
+        subject.tool_setting[:custom].should == {name: :foo}
+
+      end
+      
+    end
+
   end
 
   end

spec/models/lti/tool_proxy_spec.rb

@@ -20,7 +20,7 @@ require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
 
 module Lti
   describe ToolProxy do
-    let (:account) {Account.new}
+    let (:account) {Account.create}
     let (:product_family) {ProductFamily.create(vendor_code: '123', product_code:'abc', vendor_name:'acme', root_account:account)}
     let (:resource_handler) {ResourceHandler.new}
 
@@ -102,6 +102,24 @@ module Lti
         subject.errors[:raw_data].should include("can't be blank")
       end
 
+      context 'tool_settings' do
+        subject { ToolProxy.create(
+          shared_secret: 'shared_secret',
+          guid: 'guid',
+          product_version: '1.0beta',
+          lti_version: 'LTI-2p0',
+          product_family: product_family,
+          context: account,
+          workflow_state: 'active',
+          raw_data: 'some raw data'
+        ) }
+        it 'can have a tool setting' do
+          subject.create_tool_setting(custom: {name: :foo})
+          subject.tool_setting[:custom].should == {name: :foo}
+
+        end
+      end
+
     end
 
   end

spec/models/lti/tool_setting_spec.rb

@@ -0,0 +1,25 @@
+#
+# Copyright (C) 2014 Instructure, Inc.
+#
+# This file is part of Canvas.
+#
+# Canvas is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the Free
+# Software Foundation, version 3 of the License.
+#
+# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Affero General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+
+module Lti
+  describe ToolSetting do
+
+  end
+end