diff --git a/actionview/CHANGELOG.md b/actionview/CHANGELOG.md index 1f6bb31cd4..55a2e155d1 100644 --- a/actionview/CHANGELOG.md +++ b/actionview/CHANGELOG.md @@ -1,3 +1,21 @@ +* Add wildcard matching to explicit dependencies. + + Turns: + + ```erb + <% # Template Dependency: recordings/threads/events/subscribers_changed %> + <% # Template Dependency: recordings/threads/events/completed %> + <% # Template Dependency: recordings/threads/events/uncompleted %> + ``` + + Into: + + ```erb + <% # Template Dependency: recordings/threads/events/* %> + ``` + + *Kasper Timm Hansen* + * Allow defining explicit collection caching using a `# Template Collection: ...` directive inside templates. diff --git a/actionview/lib/action_view/dependency_tracker.rb b/actionview/lib/action_view/dependency_tracker.rb index 7a7e116dbb..6e8c7f8203 100644 --- a/actionview/lib/action_view/dependency_tracker.rb +++ b/actionview/lib/action_view/dependency_tracker.rb @@ -1,16 +1,18 @@ require 'thread_safe' +require 'action_view/path_set' module ActionView class DependencyTracker # :nodoc: @trackers = ThreadSafe::Cache.new - def self.find_dependencies(name, template) + def self.find_dependencies(name, template, view_paths = nil) tracker = @trackers[template.handler] + return [] unless tracker.present? - if tracker.present? - tracker.call(name, template) + if tracker.respond_to?(:supports_view_paths?) && tracker.supports_view_paths? + tracker.call(name, template, view_paths) else - [] + tracker.call(name, template) end end @@ -82,12 +84,16 @@ module ActionView (?:#{STRING}|#{VARIABLE_OR_METHOD_CHAIN}) # finally, the dependency name of interest /xm - def self.call(name, template) - new(name, template).dependencies + def self.supports_view_paths? # :nodoc: + true end - def initialize(name, template) - @name, @template = name, template + def self.call(name, template, view_paths = nil) + new(name, template, view_paths).dependencies + end + + def initialize(name, template, view_paths = nil) + @name, @template, @view_paths = name, template, view_paths end def dependencies @@ -142,8 +148,22 @@ module ActionView end end + def resolve_directories(wildcard_dependencies) + return [] unless @view_paths + + wildcard_dependencies.each_with_object([]) do |query, templates| + @view_paths.find_all_with_query(query).each do |template| + templates << "#{File.dirname(query)}/#{File.basename(template).split('.').first}" + end + end + end + def explicit_dependencies - source.scan(EXPLICIT_DEPENDENCY).flatten.uniq + dependencies = source.scan(EXPLICIT_DEPENDENCY).flatten.uniq + + wildcards, explicits = dependencies.partition { |dependency| dependency[-1] == '*' } + + (explicits + resolve_directories(wildcards)).uniq end end diff --git a/actionview/lib/action_view/digestor.rb b/actionview/lib/action_view/digestor.rb index 4224346a2f..9a8a4feb2e 100644 --- a/actionview/lib/action_view/digestor.rb +++ b/actionview/lib/action_view/digestor.rb @@ -72,7 +72,7 @@ module ActionView end def dependencies - DependencyTracker.find_dependencies(name, template) + DependencyTracker.find_dependencies(name, template, finder.view_paths) rescue ActionView::MissingTemplate logger.try :error, " '#{name}' file doesn't exist, so no dependencies" [] diff --git a/actionview/lib/action_view/helpers/cache_helper.rb b/actionview/lib/action_view/helpers/cache_helper.rb index 797d029317..636d7d4cc3 100644 --- a/actionview/lib/action_view/helpers/cache_helper.rb +++ b/actionview/lib/action_view/helpers/cache_helper.rb @@ -98,7 +98,19 @@ module ActionView # <%# Template Dependency: todolists/todolist %> # <%= render_sortable_todolists @project.todolists %> # - # The pattern used to match these is /# Template Dependency: (\S+)/, + # In some cases, like a single table inheritance setup, you might have + # a bunch of explicit dependencies. Instead of writing every template out, + # you can use a wildcard to match any template in a directory: + # + # <%# Template Dependency: events/* %> + # <%= render_categorizable_events @person.events %> + # + # This marks every template in the directory as a dependency. To find those + # templates, the wildcard path must be absolutely defined from app/views or paths + # otherwise added with +prepend_view_path+ or +append_view_path+. + # This way the wildcard for `app/views/recordings/events` would be `recordings/events/*` etc. + # + # The pattern used to match explicit dependencies is /# Template Dependency: (\S+)/, # so it's important that you type it out just so. # You can only declare one template dependency per line. # diff --git a/actionview/lib/action_view/path_set.rb b/actionview/lib/action_view/path_set.rb index 91ee2ea8f5..7a88f6bc50 100644 --- a/actionview/lib/action_view/path_set.rb +++ b/actionview/lib/action_view/path_set.rb @@ -61,6 +61,15 @@ module ActionView #:nodoc: find_all(path, prefixes, *args).any? end + def find_all_with_query(query) # :nodoc: + paths.each do |resolver| + templates = resolver.find_all_with_query(query) + return templates unless templates.empty? + end + + [] + end + private def typecast(paths) diff --git a/actionview/lib/action_view/template/resolver.rb b/actionview/lib/action_view/template/resolver.rb index e7208cce49..28967f40a6 100644 --- a/actionview/lib/action_view/template/resolver.rb +++ b/actionview/lib/action_view/template/resolver.rb @@ -52,6 +52,7 @@ module ActionView def initialize @data = SmallCache.new(&KEY_BLOCK) + @query_cache = SmallCache.new end # Cache the templates returned by the block @@ -70,8 +71,17 @@ module ActionView end end + def cache_query(query) # :nodoc: + if Resolver.caching? + @query_cache[query] ||= canonical_no_templates(yield) + else + yield + end + end + def clear @data.clear + @query_cache.clear end private @@ -116,6 +126,10 @@ module ActionView end end + def find_all_with_query(query) # :nodoc: + @cache.cache_query(query) { find_template_paths(File.join(@path, query)) } + end + private delegate :caching?, to: :class diff --git a/actionview/test/fixtures/digestor/events/_completed.html.erb b/actionview/test/fixtures/digestor/events/_completed.html.erb new file mode 100644 index 0000000000..e69de29bb2 diff --git a/actionview/test/fixtures/digestor/events/index.html.erb b/actionview/test/fixtures/digestor/events/index.html.erb new file mode 100644 index 0000000000..bc45e41bcb --- /dev/null +++ b/actionview/test/fixtures/digestor/events/index.html.erb @@ -0,0 +1 @@ +<% # Template Dependency: events/* %> \ No newline at end of file diff --git a/actionview/test/template/digestor_test.rb b/actionview/test/template/digestor_test.rb index 24bc76cbbb..dde757b5a2 100644 --- a/actionview/test/template/digestor_test.rb +++ b/actionview/test/template/digestor_test.rb @@ -1,5 +1,6 @@ require 'abstract_unit' require 'fileutils' +require 'action_view/dependency_tracker' class FixtureTemplate attr_reader :source, :handler @@ -15,12 +16,13 @@ end class FixtureFinder FIXTURES_DIR = "#{File.dirname(__FILE__)}/../fixtures/digestor" - attr_reader :details + attr_reader :details, :view_paths attr_accessor :formats attr_accessor :variants def initialize @details = {} + @view_paths = ActionView::PathSet.new(['digestor']) @formats = [] @variants = [] end @@ -75,6 +77,34 @@ class TemplateDigestorTest < ActionView::TestCase end end + def test_explicit_dependency_wildcard + assert_digest_difference("events/index") do + change_template("events/_completed") + end + end + + def test_explicit_dependency_wildcard_picks_up_added_file + old_caching, ActionView::Resolver.caching = ActionView::Resolver.caching, false + + assert_digest_difference("events/index") do + add_template("events/_uncompleted") + end + ensure + remove_template("events/_uncompleted") + ActionView::Resolver.caching = old_caching + end + + def test_explicit_dependency_wildcard_picks_up_removed_file + old_caching, ActionView::Resolver.caching = ActionView::Resolver.caching, false + add_template("events/_subscribers_changed") + + assert_digest_difference("events/index") do + remove_template("events/_subscribers_changed") + end + ensure + ActionView::Resolver.caching = old_caching + end + def test_second_level_dependency assert_digest_difference("messages/show") do change_template("comments/_comments") @@ -319,4 +349,9 @@ class TemplateDigestorTest < ActionView::TestCase f.write "\nTHIS WAS CHANGED!" end end + alias_method :add_template, :change_template + + def remove_template(template_name) + File.delete("digestor/#{template_name}.html.erb") + end end