It's possible to have categories. Yay!

.idea/.generators

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Settings><!--This file was automatically generated by Ruby plugin.
+You are allowed to: 
+1. Reorder generators
+2. Remove generators
+3. Add installed generators
+To add new installed generators automatically delete this file and reload the project.
+--><GeneratorsGroup><Generator name="active_record:migration" /><Generator name="active_record:model" /><Generator name="active_record:observer" /><Generator name="active_record:session_migration" /><Generator name="controller" /><Generator name="erb:controller" /><Generator name="erb:mailer" /><Generator name="erb:scaffold" /><Generator name="generator" /><Generator name="helper" /><Generator name="integration_test" /><Generator name="mailer" /><Generator name="metal" /><Generator name="migration" /><Generator name="model" /><Generator name="model_subclass" /><Generator name="observer" /><Generator name="performance_test" /><Generator name="plugin" /><Generator name="resource" /><Generator name="scaffold" /><Generator name="scaffold_controller" /><Generator name="session_migration" /><Generator name="stylesheets" /><Generator name="test_unit:controller" /><Generator name="test_unit:helper" /><Generator name="test_unit:integration" /><Generator name="test_unit:mailer" /><Generator name="test_unit:model" /><Generator name="test_unit:observer" /><Generator name="test_unit:performance" /><Generator name="test_unit:plugin" /><Generator name="test_unit:scaffold" /></GeneratorsGroup></Settings>

.idea/DocStore.iml

@@ -0,0 +1,196 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="RUBY_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="RailsFacetType" name="Ruby on Rails">
+      <configuration>
+        <RAILS_FACET_CONFIG_ID NAME="RAILS_FACET_SUPPORT_REMOVED" VALUE="false" />
+        <RAILS_FACET_CONFIG_ID NAME="RAILS_TESTS_SOURCES_PATCHED" VALUE="true" />
+        <RAILS_FACET_CONFIG_ID NAME="RAILS_FACET_APPLICATION_ROOT" VALUE="$MODULE_DIR$" />
+      </configuration>
+    </facet>
+  </component>
+  <component name="ModuleRunConfigurationManager">
+    <configuration default="false" name="test: DocStore" type="RakeRunConfigurationType" factoryName="Rake">
+      <module name="DocStore" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
+      <envs>
+        <env name="RAILS_ENV" value="test" />
+      </envs>
+      <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+      <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+      <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+        <COVERAGE_PATTERN ENABLED="true">
+          <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+        </COVERAGE_PATTERN>
+      </EXTENSION>
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_NAME" VALUE="test" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_ARGS" VALUE="" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_ATTACHED_TEST_FRAMEWORKS" VALUE=":test_unit " />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_TRACE" VALUE="false" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_DRYRUN" VALUE="false" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_PREREQS" VALUE="false" />
+      <method />
+    </configuration>
+    <configuration default="false" name="spec: DocStore" type="RakeRunConfigurationType" factoryName="Rake">
+      <module name="DocStore" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
+      <envs />
+      <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+      <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+      <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+        <COVERAGE_PATTERN ENABLED="true">
+          <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+        </COVERAGE_PATTERN>
+      </EXTENSION>
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_NAME" VALUE="spec" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_ARGS" VALUE="" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_ATTACHED_TEST_FRAMEWORKS" VALUE=":rspec " />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_TRACE" VALUE="false" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_DRYRUN" VALUE="false" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_PREREQS" VALUE="false" />
+      <method />
+    </configuration>
+    <configuration default="false" name="Production: DocStore" type="RailsRunConfigurationType" factoryName="Rails">
+      <predefined_log_file id="RUBY_RAILS_SERVER" enabled="true" />
+      <module name="DocStore" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
+      <envs />
+      <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+      <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+      <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+        <COVERAGE_PATTERN ENABLED="true">
+          <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+        </COVERAGE_PATTERN>
+      </EXTENSION>
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="SCRIPT_ARGS" VALUE="" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="PORT" VALUE="3000" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="IP" VALUE="0.0.0.0" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="DUMMY_APP" VALUE="test/dummy" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="RAILS_SERVER_TYPE" VALUE="Default" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="ENVIRONMENT_TYPE" VALUE="production" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="LAUNCH_JS" VALUE="false" />
+      <method />
+    </configuration>
+    <configuration default="false" name="Development: DocStore" type="RailsRunConfigurationType" factoryName="Rails">
+      <predefined_log_file id="RUBY_RAILS_SERVER" enabled="true" />
+      <module name="DocStore" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
+      <envs />
+      <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+      <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+      <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+        <COVERAGE_PATTERN ENABLED="true">
+          <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+        </COVERAGE_PATTERN>
+      </EXTENSION>
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="SCRIPT_ARGS" VALUE="" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="PORT" VALUE="3000" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="IP" VALUE="0.0.0.0" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="DUMMY_APP" VALUE="test/dummy" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="RAILS_SERVER_TYPE" VALUE="Default" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="ENVIRONMENT_TYPE" VALUE="development" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="LAUNCH_JS" VALUE="false" />
+      <method />
+    </configuration>
+  </component>
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/spec" isTestSource="true" />
+      <excludeFolder url="file://$MODULE_DIR$/.bundle" />
+      <excludeFolder url="file://$MODULE_DIR$/components" />
+      <excludeFolder url="file://$MODULE_DIR$/public/system" />
+      <excludeFolder url="file://$MODULE_DIR$/tmp" />
+      <excludeFolder url="file://$MODULE_DIR$/vendor/bundle" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" scope="PROVIDED" name="actioncable (v5.0.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="actionmailer (v5.0.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="actionpack (v5.0.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="actionview (v5.0.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="activejob (v5.0.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="activemodel (v5.0.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="activerecord (v5.0.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="activesupport (v5.0.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="arel (v7.1.4, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="bcrypt (v3.1.11, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="builder (v3.2.2, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="bundler (v1.13.6, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="byebug (v9.0.6, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="climate_control (v0.0.3, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="cocaine (v0.5.8, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="coffee-rails (v4.2.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="coffee-script (v2.4.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="coffee-script-source (v1.10.0, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="concurrent-ruby (v1.0.2, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="debug_inspector (v0.0.2, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="erubis (v2.7.0, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="execjs (v2.7.0, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="ffi (v1.9.14, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="globalid (v0.3.7, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="i18n (v0.7.0, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="jbuilder (v2.6.0, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="jquery-rails (v4.2.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="listen (v3.0.8, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="loofah (v2.0.3, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="mail (v2.6.4, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="method_source (v0.8.2, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="mime-types (v3.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="mime-types-data (v3.2016.0521, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="mimemagic (v0.3.2, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="mini_portile2 (v2.1.0, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="minitest (v5.9.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="multi_json (v1.12.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="nio4r (v1.2.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="nokogiri (v1.6.8.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="paperclip (v5.0.0, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="puma (v3.6.2, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="rack (v2.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="rack-test (v0.6.3, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="rails (v5.0.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="rails-dom-testing (v2.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="rails-html-sanitizer (v1.0.3, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="railties (v5.0.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="rake (v11.3.0, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="rb-fsevent (v0.9.8, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="rb-inotify (v0.9.7, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="sass (v3.4.22, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="sass-rails (v5.0.6, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="spring (v2.0.0, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="spring-watcher-listen (v2.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="sprockets (v3.7.0, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="sprockets-rails (v3.2.0, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="sqlite3 (v1.3.12, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="thor (v0.19.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="thread_safe (v0.3.5, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="tilt (v2.0.5, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="turbolinks (v5.0.1, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="turbolinks-source (v5.0.0, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="tzinfo (v1.2.2, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="uglifier (v3.0.3, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="web-console (v3.4.0, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="websocket-driver (v0.6.4, RVM: ruby-2.3.1) [gem]" level="application" />
+    <orderEntry type="library" scope="PROVIDED" name="websocket-extensions (v0.1.2, RVM: ruby-2.3.1) [gem]" level="application" />
+  </component>
+  <component name="RModuleSettingsStorage">
+    <LOAD_PATH number="0" />
+    <I18N_FOLDERS number="1" string0="$MODULE_DIR$/config/locales" />
+  </component>
+</module>

.idea/misc.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectLevelVcsManager" settingsEditedManually="false">
+    <OptionsSetting value="true" id="Add" />
+    <OptionsSetting value="true" id="Remove" />
+    <OptionsSetting value="true" id="Checkout" />
+    <OptionsSetting value="true" id="Update" />
+    <OptionsSetting value="true" id="Status" />
+    <OptionsSetting value="true" id="Edit" />
+    <ConfirmationsSetting value="0" id="Add" />
+    <ConfirmationsSetting value="0" id="Remove" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="RVM: ruby-2.3.1" project-jdk-type="RUBY_SDK" />
+</project>

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/DocStore.iml" filepath="$PROJECT_DIR$/.idea/DocStore.iml" />
+    </modules>
+  </component>
+</project>

.idea/runConfigurations/Development__DocStore.xml

@@ -0,0 +1,27 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Development: DocStore" type="RailsRunConfigurationType" factoryName="Rails">
+    <predefined_log_file id="RUBY_RAILS_SERVER" enabled="true" />
+    <module name="DocStore" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
+    <envs />
+    <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+    <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+    <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+      <COVERAGE_PATTERN ENABLED="true">
+        <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+      </COVERAGE_PATTERN>
+    </EXTENSION>
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="SCRIPT_ARGS" VALUE="" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="PORT" VALUE="3000" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="IP" VALUE="0.0.0.0" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="DUMMY_APP" VALUE="test/dummy" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="RAILS_SERVER_TYPE" VALUE="Default" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="ENVIRONMENT_TYPE" VALUE="development" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="LAUNCH_JS" VALUE="false" />
+    <method />
+  </configuration>
+</component>

.idea/runConfigurations/Production__DocStore.xml

@@ -0,0 +1,27 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Production: DocStore" type="RailsRunConfigurationType" factoryName="Rails">
+    <predefined_log_file id="RUBY_RAILS_SERVER" enabled="true" />
+    <module name="DocStore" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
+    <envs />
+    <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+    <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+    <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+      <COVERAGE_PATTERN ENABLED="true">
+        <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+      </COVERAGE_PATTERN>
+    </EXTENSION>
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="SCRIPT_ARGS" VALUE="" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="PORT" VALUE="3000" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="IP" VALUE="0.0.0.0" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="DUMMY_APP" VALUE="test/dummy" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="RAILS_SERVER_TYPE" VALUE="Default" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="ENVIRONMENT_TYPE" VALUE="production" />
+    <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="LAUNCH_JS" VALUE="false" />
+    <method />
+  </configuration>
+</component>

.idea/runConfigurations/spec__DocStore.xml

@@ -0,0 +1,25 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="spec: DocStore" type="RakeRunConfigurationType" factoryName="Rake">
+    <module name="DocStore" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
+    <envs />
+    <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+    <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+    <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+      <COVERAGE_PATTERN ENABLED="true">
+        <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+      </COVERAGE_PATTERN>
+    </EXTENSION>
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_NAME" VALUE="spec" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_ARGS" VALUE="" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_ATTACHED_TEST_FRAMEWORKS" VALUE=":rspec " />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_TRACE" VALUE="false" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_DRYRUN" VALUE="false" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_PREREQS" VALUE="false" />
+    <method />
+  </configuration>
+</component>

.idea/runConfigurations/test__DocStore.xml

@@ -0,0 +1,27 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="test: DocStore" type="RakeRunConfigurationType" factoryName="Rake">
+    <module name="DocStore" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
+    <envs>
+      <env name="RAILS_ENV" value="test" />
+    </envs>
+    <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+    <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+    <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+      <COVERAGE_PATTERN ENABLED="true">
+        <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+      </COVERAGE_PATTERN>
+    </EXTENSION>
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_NAME" VALUE="test" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_ARGS" VALUE="" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_ATTACHED_TEST_FRAMEWORKS" VALUE=":test_unit " />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_TRACE" VALUE="false" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_DRYRUN" VALUE="false" />
+    <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_PREREQS" VALUE="false" />
+    <method />
+  </configuration>
+</component>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

.idea/workspace.xml

@@ -0,0 +1,394 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="0a65e99e-ee67-4983-9453-e7428bf4ac85" name="Default" comment="">
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/app/assets/stylesheets/application.scss" afterPath="$PROJECT_DIR$/app/assets/stylesheets/application.scss" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/app/models/user.rb" afterPath="$PROJECT_DIR$/app/models/user.rb" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/app/views/layouts/application.html.erb" afterPath="$PROJECT_DIR$/app/views/layouts/application.html.erb" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/config/routes.rb" afterPath="$PROJECT_DIR$/config/routes.rb" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/db/schema.rb" afterPath="$PROJECT_DIR$/db/schema.rb" />
+    </list>
+    <ignored path="DocStore.iws" />
+    <ignored path=".idea/workspace.xml" />
+    <ignored path="$PROJECT_DIR$/.bundle/" />
+    <ignored path="$PROJECT_DIR$/components/" />
+    <ignored path="$PROJECT_DIR$/public/system/" />
+    <ignored path="$PROJECT_DIR$/tmp/" />
+    <ignored path="$PROJECT_DIR$/vendor/bundle/" />
+    <ignored path=".idea/dataSources.local.xml" />
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="TRACKING_ENABLED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="CoverageDataManager">
+    <SUITE FILE_PATH="coverage/DocStore@Development__DocStore.coverage" NAME="Development: DocStore Coverage Results" MODIFIED="1480016942997" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="rcov" COVERAGE_BY_TEST_ENABLED="true" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$" MODULE_NAME="DocStore" />
+  </component>
+  <component name="CreatePatchCommitExecutor">
+    <option name="PATCH_PATH" value="" />
+  </component>
+  <component name="ExecutionTargetManager" SELECTED_TARGET="default_target" />
+  <component name="FavoritesManager">
+    <favorites_list name="DocStore" />
+  </component>
+  <component name="FileEditorManager">
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file leaf-file-name="categories_controller.rb" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/app/controllers/categories_controller.rb">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="76">
+              <caret line="22" column="0" selection-start-line="22" selection-start-column="0" selection-end-line="22" selection-end-column="0" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="IdeDocumentHistory">
+    <option name="CHANGED_PATHS">
+      <list>
+        <option value="$PROJECT_DIR$/app/controllers/categories_controller.rb" />
+      </list>
+    </option>
+  </component>
+  <component name="JsBuildToolGruntFileManager" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsGulpfileManager">
+    <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
+  </component>
+  <component name="LogFilters">
+    <option name="FILTER_ERRORS" value="false" />
+    <option name="FILTER_WARNINGS" value="false" />
+    <option name="FILTER_INFO" value="true" />
+    <option name="FILTER_DEBUG" value="true" />
+    <option name="CUSTOM_FILTER" />
+  </component>
+  <component name="ProjectFrameBounds">
+    <option name="x" value="-1" />
+    <option name="y" value="25" />
+    <option name="width" value="1602" />
+    <option name="height" value="876" />
+  </component>
+  <component name="ProjectLevelVcsManager" settingsEditedManually="false">
+    <OptionsSetting value="true" id="Add" />
+    <OptionsSetting value="true" id="Remove" />
+    <OptionsSetting value="true" id="Checkout" />
+    <OptionsSetting value="true" id="Update" />
+    <OptionsSetting value="true" id="Status" />
+    <OptionsSetting value="true" id="Edit" />
+    <ConfirmationsSetting value="0" id="Add" />
+    <ConfirmationsSetting value="0" id="Remove" />
+  </component>
+  <component name="ProjectView">
+    <navigator currentView="ProjectPane" proportions="" version="1">
+      <flattenPackages />
+      <showMembers />
+      <showModules />
+      <showLibraryContents />
+      <hideEmptyPackages />
+      <abbreviatePackageNames />
+      <autoscrollToSource />
+      <autoscrollFromSource />
+      <sortByType />
+      <manualOrder />
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="RailsProjectView" />
+      <pane id="Scratches" />
+      <pane id="Scope" />
+      <pane id="ProjectPane">
+        <subPane>
+          <PATH>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="DocStore" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
+            </PATH_ELEMENT>
+          </PATH>
+          <PATH>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="DocStore" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="DocStore" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+            </PATH_ELEMENT>
+          </PATH>
+          <PATH>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="DocStore" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="DocStore" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="app" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+            </PATH_ELEMENT>
+          </PATH>
+          <PATH>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="DocStore" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="DocStore" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="app" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+            </PATH_ELEMENT>
+            <PATH_ELEMENT>
+              <option name="myItemId" value="controllers" />
+              <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+            </PATH_ELEMENT>
+          </PATH>
+        </subPane>
+      </pane>
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="WebServerToolWindowFactoryState" value="false" />
+  </component>
+  <component name="RunManager" selected="Rails.Development: DocStore">
+    <configuration default="true" type="CucumberRunConfigurationType" factoryName="Cucumber">
+      <predefined_log_file id="RUBY_CUCUMBER" enabled="true" />
+      <module name="" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
+      <envs />
+      <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+      <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+      <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+        <COVERAGE_PATTERN ENABLED="true">
+          <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+        </COVERAGE_PATTERN>
+      </EXTENSION>
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="TEST_FILE_MASK" VALUE="**/*.feature" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="TEST_TEST_TYPE" VALUE="TEST_SCRIPT" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="TESTS_FOLDER_PATH" VALUE="" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="TEST_SCRIPT_PATH" VALUE="" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="TEST_TAGS_FILTER" VALUE="" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="TEST_NAME_FILTER" VALUE="" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="CUCUMBER_ARGS" VALUE="--color -r features" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="RUNNER_VERSION" VALUE="" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="FULL_BACKTRACE" VALUE="false" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="VERBOSE_OPTION" VALUE="false" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="DRB" VALUE="false" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="ZEUS" VALUE="false" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="SPRING" VALUE="false" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="CUCUMBER_RUNNER_PATH" VALUE="" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="USE_CUSTOM_RUNNER" VALUE="false" />
+      <CUCUMBER_RUN_CONFIG_SETTINGS_ID NAME="SETTINGS_VERSION" VALUE="2" />
+      <method />
+    </configuration>
+    <configuration default="true" type="JavascriptDebugType" factoryName="JavaScript Debug">
+      <method />
+    </configuration>
+    <configuration default="true" type="RailsRunConfigurationType" factoryName="Rails">
+      <predefined_log_file id="RUBY_RAILS_SERVER" enabled="true" />
+      <module name="" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="$MODULE_DIR$" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
+      <envs />
+      <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+      <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+      <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+        <COVERAGE_PATTERN ENABLED="true">
+          <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+        </COVERAGE_PATTERN>
+      </EXTENSION>
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="SCRIPT_ARGS" VALUE="" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="PORT" VALUE="3000" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="IP" VALUE="0.0.0.0" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="DUMMY_APP" VALUE="test/dummy" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="RAILS_SERVER_TYPE" VALUE="Default" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="ENVIRONMENT_TYPE" VALUE="development" />
+      <RAILS_SERVER_CONFIG_SETTINGS_ID NAME="LAUNCH_JS" VALUE="false" />
+      <method />
+    </configuration>
+    <configuration default="true" type="RakeRunConfigurationType" factoryName="Rake">
+      <module name="" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
+      <envs />
+      <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+      <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+      <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+        <COVERAGE_PATTERN ENABLED="true">
+          <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+        </COVERAGE_PATTERN>
+      </EXTENSION>
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_NAME" VALUE="" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_ARGS" VALUE="" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_ATTACHED_TEST_FRAMEWORKS" VALUE="" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_TRACE" VALUE="false" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_DRYRUN" VALUE="false" />
+      <RAKE_RUN_CONFIG_SETTINGS_ID NAME="RAKE_TASK_OPTION_PREREQS" VALUE="false" />
+      <method />
+    </configuration>
+    <configuration default="true" type="RubyRunConfigurationType" factoryName="Ruby">
+      <module name="" />
+      <RUBY_RUN_CONFIG NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+      <RUBY_RUN_CONFIG NAME="WORK DIR" VALUE="" />
+      <RUBY_RUN_CONFIG NAME="SHOULD_USE_SDK" VALUE="false" />
+      <RUBY_RUN_CONFIG NAME="ALTERN_SDK_NAME" VALUE="" />
+      <RUBY_RUN_CONFIG NAME="myPassParentEnvs" VALUE="true" />
+      <envs />
+      <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+      <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+      <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+        <COVERAGE_PATTERN ENABLED="true">
+          <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+        </COVERAGE_PATTERN>
+      </EXTENSION>
+      <RUBY_RUN_CONFIG NAME="SCRIPT_PATH" VALUE="" />
+      <RUBY_RUN_CONFIG NAME="SCRIPT_ARGS" VALUE="" />
+      <method />
+    </configuration>
+    <configuration default="true" type="TestUnitRunConfigurationType" factoryName="Test::Unit/Shoulda/Minitest">
+      <predefined_log_file id="RUBY_TESTUNIT" enabled="true" />
+      <module name="" />
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="RUBY_ARGS" VALUE="-e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift)" />
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="WORK DIR" VALUE="" />
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="SHOULD_USE_SDK" VALUE="false" />
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="ALTERN_SDK_NAME" VALUE="" />
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="myPassParentEnvs" VALUE="true" />
+      <envs />
+      <EXTENSION ID="BundlerRunConfigurationExtension" bundleExecEnabled="false" />
+      <EXTENSION ID="JRubyRunConfigurationExtension" NailgunExecEnabled="false" />
+      <EXTENSION ID="RubyCoverageRunConfigurationExtension" enabled="false" sample_coverage="true" track_test_folders="true" runner="rcov">
+        <COVERAGE_PATTERN ENABLED="true">
+          <PATTERN REGEXPS="/.rvm/" INCLUDED="false" />
+        </COVERAGE_PATTERN>
+      </EXTENSION>
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="TESTS_FOLDER_PATH" VALUE="" />
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="TEST_SCRIPT_PATH" VALUE="" />
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="TEST_FILE_MASK" VALUE="" />
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="TEST_METHOD_NAME" VALUE="" />
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="TEST_TEST_TYPE" VALUE="TEST_SCRIPT" />
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="DRB" VALUE="false" />
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="ZEUS" VALUE="false" />
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="SPRING" VALUE="false" />
+      <RTEST_RUN_CONFIG_SETTINGS_ID NAME="RUNNER_OPTIONS" VALUE="" />
+      <method />
+    </configuration>
+    <configuration default="true" type="js.build_tools.gulp" factoryName="Gulp.js">
+      <node-interpreter>project</node-interpreter>
+      <node-options />
+      <gulpfile />
+      <tasks />
+      <arguments />
+      <envs />
+      <method />
+    </configuration>
+    <configuration default="true" type="js.build_tools.npm" factoryName="npm">
+      <command value="run-script" />
+      <scripts />
+      <node-interpreter value="project" />
+      <envs />
+      <method />
+    </configuration>
+    <list size="4">
+      <item index="0" class="java.lang.String" itemvalue="Rake.test: DocStore" />
+      <item index="1" class="java.lang.String" itemvalue="Rake.spec: DocStore" />
+      <item index="2" class="java.lang.String" itemvalue="Rails.Production: DocStore" />
+      <item index="3" class="java.lang.String" itemvalue="Rails.Development: DocStore" />
+    </list>
+  </component>
+  <component name="ShelveChangesManager" show_recycled="false">
+    <option name="remove_strategy" value="false" />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="0a65e99e-ee67-4983-9453-e7428bf4ac85" name="Default" comment="" />
+      <created>1480016844651</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1480016844651</updated>
+      <workItem from="1480016847364" duration="806000" />
+      <workItem from="1480024251762" duration="731000" />
+    </task>
+    <servers />
+  </component>
+  <component name="TimeTrackingManager">
+    <option name="totallyTimeSpent" value="1537000" />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="-1" y="25" width="1602" height="876" extended-state="6" />
+    <editor active="false" />
+    <layout>
+      <window_info id="Project" active="true" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="1.0" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
+      <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
+      <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="true" content_ui="tabs" />
+      <window_info id="Database" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
+      <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
+      <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="true" content_ui="tabs" />
+      <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
+      <window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
+      <window_info id="Commander" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
+      <window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
+      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
+      <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
+      <window_info id="Ant Build" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
+      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
+    </layout>
+  </component>
+  <component name="Vcs.Log.UiProperties">
+    <option name="RECENTLY_FILTERED_USER_GROUPS">
+      <collection />
+    </option>
+    <option name="RECENTLY_FILTERED_BRANCH_GROUPS">
+      <collection />
+    </option>
+  </component>
+  <component name="VcsContentAnnotationSettings">
+    <option name="myLimit" value="2678400000" />
+  </component>
+  <component name="XDebuggerManager">
+    <breakpoint-manager>
+      <breakpoints>
+        <line-breakpoint enabled="true" type="ruby-line">
+          <url>file://$PROJECT_DIR$/app/controllers/categories_controller.rb</url>
+          <line>27</line>
+        </line-breakpoint>
+      </breakpoints>
+      <option name="time" value="2" />
+    </breakpoint-manager>
+    <watches-manager />
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/app/controllers/categories_controller.rb">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="76">
+          <caret line="22" column="0" selection-start-line="22" selection-start-column="0" selection-end-line="22" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+  </component>
+</project>

app/assets/javascripts/categories.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/stylesheets/application.scss

@@ -14,6 +14,8 @@
  *= require_self
  */
 
+ body, body > p, body > ol, body > ul, body > td { margin: 8px !important }
+
 #columns {
   display: flex;
 
@@ -24,6 +26,18 @@
 
   #side {
     padding: 1em 2em;
+
+    ul {
+      padding: 0;
+
+      li {
+        list-style: none;
+
+        a {
+          font-size: small;
+        }
+      }
+    }
   }
 }
 

app/assets/stylesheets/categories.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the Categories controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/categories_controller.rb

@@ -0,0 +1,76 @@
+class CategoriesController < ApplicationController
+  before_action :set_category, only: [:show, :edit, :update, :destroy]
+
+  # GET /categories
+  # GET /categories.json
+  def index
+    @categories = Category.all
+  end
+
+  # GET /categories/1
+  # GET /categories/1.json
+  def show
+  end
+
+  # GET /categories/new
+  def new
+    @category = Category.new
+    @category.user = User.find(session[:user_id]) # TODO: fuer das setzen der moeglichen subcategories
+  end
+
+  # GET /categories/1/edit
+  def edit
+  end
+
+  # POST /categories
+  # POST /categories.json
+  def create
+    @category = Category.new(category_params)
+    @category.user = User.find(session[:user_id]) # TODO: wird ja beim setzen der subcategories nicht in das form geschrieben!
+
+    respond_to do |format|
+      if @category.save
+        format.html { redirect_to @category, notice: 'Category was successfully created.' }
+        format.json { render :show, status: :created, location: @category }
+      else
+        format.html { render :new }
+        format.json { render json: @category.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /categories/1
+  # PATCH/PUT /categories/1.json
+  def update
+    respond_to do |format|
+      if @category.update(category_params)
+        format.html { redirect_to @category, notice: 'Category was successfully updated.' }
+        format.json { render :show, status: :ok, location: @category }
+      else
+        format.html { render :edit }
+        format.json { render json: @category.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /categories/1
+  # DELETE /categories/1.json
+  def destroy
+    @category.destroy
+    respond_to do |format|
+      format.html { redirect_to categories_url, notice: 'Category was successfully destroyed.' }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_category
+      @category = Category.find(params[:id])
+    end
+
+    # Never trust parameters from the scary internet, only allow the white list through.
+    def category_params
+      params.require(:category).permit(:name, :parent_id)
+    end
+end

app/controllers/documents_controller.rb

@@ -75,6 +75,6 @@ class DocumentsController < ApplicationController
 
     # Never trust parameters from the scary internet, only allow the white list through.
     def document_params
-      params.require(:document).permit(:doc)
+      params.require(:document).permit(:doc, :category_id)
     end
 end

app/helpers/categories_helper.rb

@@ -0,0 +1,20 @@
+module CategoriesHelper
+  def category_collection_select
+    cats = []
+    Category.where(user_id: @category.user_id).each do |cat|
+      s = cat.name
+      cat_parent = Category.find_by(id: cat.parent_id)
+
+      while cat_parent != nil do
+        s = cat_parent.name + "/" + s
+        cat_parent = Category.find_by(id: cat_parent.parent_id)
+      end
+
+      cat.name = s
+      cats.push cat
+    end
+    collection_select(:category, :parent_id, cats.sort_by(&:name), :id, :name, include_blank: true)
+  end
+
+
+end

app/models/category.rb

@@ -0,0 +1,28 @@
+class Category < ApplicationRecord
+  has_many :documents
+  has_many :subcategories, class_name: 'Category', foreign_key: 'parent_id', dependent: :destroy
+  belongs_to :parent, class_name: 'Category', optional: true
+  belongs_to :user
+
+  before_destroy :check_for_subcategories
+
+  def get_fqcn
+    fqcn = name
+    cat_parent = parent
+
+    while cat_parent != nil do
+      fqcn = cat_parent.name + "/" + fqcn
+      cat_parent = cat_parent.parent
+    end
+
+    fqcn
+  end
+
+  private
+    def check_for_subcategories
+      unless subcategories.empty?
+        errors.add(:base, 'Subcategories present')
+        throw :abort
+      end
+    end
+end

app/models/document.rb

@@ -1,5 +1,6 @@
 class Document < ApplicationRecord
   belongs_to :user
+  belongs_to :category
   has_and_belongs_to_many :tags
 
   has_attached_file :doc,

app/models/user.rb

@@ -2,4 +2,5 @@ class User < ApplicationRecord
   has_secure_password
 
   has_many :documents, dependent: :destroy
+  has_many :categories, dependent: :destroy
 end

app/views/categories/_category.json.jbuilder

@@ -0,0 +1,2 @@
+json.extract! category, :id, :name, :created_at, :updated_at
+json.url category_url(category, format: :json)

app/views/categories/_form.html.erb

@@ -0,0 +1,27 @@
+<%= form_for(category) do |f| %>
+  <% if category.errors.any? %>
+    <div id="error_explanation">
+      <h2><%= pluralize(category.errors.count, "error") %> prohibited this category from being saved:</h2>
+
+      <ul>
+      <% category.errors.full_messages.each do |message| %>
+        <li><%= message %></li>
+      <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="field">
+    <%= f.label :name %>
+    <%= f.text_field :name %>
+  </div>
+
+  <div class="field">
+    <%= f.label :category %>
+    <%= category_collection_select %>
+  </div>
+
+  <div class="actions">
+    <%= f.submit %>
+  </div>
+<% end %>

app/views/categories/edit.html.erb

@@ -0,0 +1,6 @@
+<h1>Editing Category</h1>
+
+<%= render 'form', category: @category %>
+
+<%= link_to 'Show', @category %> |
+<%= link_to 'Back', categories_path %>

app/views/categories/index.html.erb

@@ -0,0 +1,27 @@
+<p id="notice"><%= notice %></p>
+
+<h1>Categories</h1>
+
+<table>
+  <thead>
+    <tr>
+      <th>Name</th>
+      <th colspan="3"></th>
+    </tr>
+  </thead>
+
+  <tbody>
+    <% @categories.order(:name).each do |category| %>
+      <tr>
+        <td><%= category.get_fqcn %></td>
+        <td><%= link_to 'Show', category %></td>
+        <td><%= link_to 'Edit', edit_category_path(category) %></td>
+        <td><%= link_to 'Destroy', category, method: :delete, data: { confirm: 'Are you sure?' } %></td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>
+
+<br>
+
+<%= link_to 'New Category', new_category_path %>

app/views/categories/index.json.jbuilder

@@ -0,0 +1 @@
+json.array! @categories, partial: 'categories/category', as: :category

app/views/categories/new.html.erb

@@ -0,0 +1,5 @@
+<h1>New Category</h1>
+
+<%= render 'form', category: @category %>
+
+<%= link_to 'Back', categories_path %>

app/views/categories/show.html.erb

@@ -0,0 +1,14 @@
+<p id="notice"><%= notice %></p>
+
+<p>
+  <strong>Name:</strong>
+  <%= @category.name %>
+</p>
+
+<p>
+  <strong>Full qualified category name:</strong>
+  <%= @category.get_fqcn %>
+</p>
+
+<%= link_to 'Edit', edit_category_path(@category) %> |
+<%= link_to 'Back', categories_path %>

app/views/categories/show.json.jbuilder

@@ -0,0 +1 @@
+json.partial! "categories/category", category: @category

app/views/documents/_form.html.erb

@@ -16,6 +16,11 @@
     <%= f.file_field :doc %>
   </div>
 
+  <div class="field">
+    <%= f.label :category %>
+    <%= f.collection_select(:category_id, Category.where(user_id: session[:user_id]).sort_by(&:get_fqcn), :id, :get_fqcn) %>
+  </div>
+
   <div class="actions">
     <%= f.submit %>
   </div>

app/views/documents/show.html.erb

@@ -6,6 +6,11 @@
 </p>
 
 <p>
+  <strong>Category:</strong>
+  <%= @document.category.get_fqcn %>
+</p>
+
+<p>
   <%= link_to @document.doc_file_name, @document.doc.url %>
 </p>
 

app/views/layouts/application.html.erb

@@ -11,7 +11,25 @@
   <body class="<%= controller.controller_name %>">
     <div id="columns">
       <div id="side">
+        <ul>
+          <li>
+            <a href="/">Home</a>
+          </li>
+        </ul>
         <% if session[:user_id] %>
+          <ul>
+            <li>
+              <a href="/documents">Documents</a>
+            </li>
+            <li>
+              <a href="/categories">Categories</a>
+            </li>
+          </ul>
+          <ul>
+            <li>
+              <a href="documents/new">New</a>
+            </li>
+          </ul>
           <%= button_to 'Logout', logout_path, method: :delete %>
         <% end %>
       </div>

config/routes.rb

@@ -1,14 +1,13 @@
 Rails.application.routes.draw do
-  resources :documents
+  root 'documents#index', as: 'documents_index'
 
-  root 'users#index', as: 'users_index'
+  resources :categories
+  resources :documents
+  resources :users
 
   controller :sessions do
     get 'login' => :new
     post 'login' => :create
     delete 'logout' => :destroy
   end
-
-  resources :users
-  # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
 end

db/migrate/20161124182250_create_categories.rb

@@ -0,0 +1,10 @@
+class CreateCategories < ActiveRecord::Migration[5.0]
+  def change
+    create_table :categories do |t|
+      t.string :name
+      t.references :parent
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20161124182924_add_user_to_category.rb

@@ -0,0 +1,5 @@
+class AddUserToCategory < ActiveRecord::Migration[5.0]
+  def change
+    add_reference :categories, :user, index: true
+  end
+end

db/migrate/20161124223446_add_category_to_document.rb

@@ -0,0 +1,5 @@
+class AddCategoryToDocument < ActiveRecord::Migration[5.0]
+  def change
+    add_reference :documents, :category, index: true
+  end
+end

db/schema.rb

@@ -10,7 +10,17 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20161124174721) do
+ActiveRecord::Schema.define(version: 20161124223446) do
+
+  create_table "categories", force: :cascade do |t|
+    t.string   "name"
+    t.integer  "parent_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.integer  "user_id"
+    t.index ["parent_id"], name: "index_categories_on_parent_id"
+    t.index ["user_id"], name: "index_categories_on_user_id"
+  end
 
   create_table "documents", force: :cascade do |t|
     t.string   "name"
@@ -22,6 +32,8 @@ ActiveRecord::Schema.define(version: 20161124174721) do
     t.datetime "doc_updated_at"
     t.string   "doc_fingerprint"
     t.integer  "user_id"
+    t.integer  "category_id"
+    t.index ["category_id"], name: "index_documents_on_category_id"
     t.index ["doc_fingerprint"], name: "index_documents_on_doc_fingerprint"
     t.index ["user_id"], name: "index_documents_on_user_id"
   end

test/controllers/categories_controller_test.rb

@@ -0,0 +1,48 @@
+require 'test_helper'
+
+class CategoriesControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    @category = categories(:one)
+  end
+
+  test "should get index" do
+    get categories_url
+    assert_response :success
+  end
+
+  test "should get new" do
+    get new_category_url
+    assert_response :success
+  end
+
+  test "should create category" do
+    assert_difference('Category.count') do
+      post categories_url, params: { category: { name: @category.name } }
+    end
+
+    assert_redirected_to category_url(Category.last)
+  end
+
+  test "should show category" do
+    get category_url(@category)
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get edit_category_url(@category)
+    assert_response :success
+  end
+
+  test "should update category" do
+    patch category_url(@category), params: { category: { name: @category.name } }
+    assert_redirected_to category_url(@category)
+  end
+
+  test "should destroy category" do
+    assert_difference('Category.count', -1) do
+      delete category_url(@category)
+    end
+
+    assert_redirected_to categories_url
+  end
+end

test/fixtures/categories.yml

@@ -0,0 +1,7 @@
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  name: MyString
+
+two:
+  name: MyString

test/models/category_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class CategoryTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end