Merge pull request #1041 from MITx/fix/cdodge/video-captions

wire through course asset path information to the video playback module ...

common/lib/xmodule/xmodule/contentstore/content.py

@@ -47,6 +47,11 @@ class StaticContent(object):
             return None
 
     @staticmethod
+    def get_base_url_path_for_course_assets(loc):
+        if loc is not None:
+            return "/c4x/{org}/{course}/asset".format(**loc.dict())
+
+    @staticmethod
     def get_id_from_location(location):
         return { 'tag':location.tag, 'org' : location.org, 'course' : location.course,
                    'category' : location.category, 'name' : location.name, 

common/lib/xmodule/xmodule/js/src/video/display.coffee

@@ -3,6 +3,7 @@ class @Video
     @el = $(element).find('.video')
     @id = @el.attr('id').replace(/video_/, '')
     @caption_data_dir = @el.data('caption-data-dir')
+    @caption_asset_path = @el.data('caption-asset-path')
     @show_captions = @el.data('show-captions') == "true"
     window.player = null
     @el = $("#video_#{@id}")

common/lib/xmodule/xmodule/js/src/video/display/video_caption.coffee

@@ -10,7 +10,7 @@ class @VideoCaption extends Subview
       .bind('DOMMouseScroll', @onMovement)
 
   captionURL: ->
-    "/static/#{@captionDataDir}/subs/#{@youtubeId}.srt.sjson"
+    "#{@captionAssetPath}#{@youtubeId}.srt.sjson"
 
   render: ->
     # TODO: make it so you can have a video with no captions.

common/lib/xmodule/xmodule/js/src/video/display/video_player.coffee

@@ -31,7 +31,7 @@ class @VideoPlayer extends Subview
         el: @el
         youtubeId: @video.youtubeId('1.0')
         currentSpeed: @currentSpeed()
-        captionDataDir: @video.caption_data_dir
+        captionAssetPath: @video.caption_asset_path
     unless onTouchBasedDevice()
       @volumeControl = new VideoVolumeControl el: @$('.secondary-controls')
     @speedControl = new VideoSpeedControl el: @$('.secondary-controls'), speeds: @video.speeds, currentSpeed: @currentSpeed()

common/lib/xmodule/xmodule/modulestore/xml_importer.py

@@ -11,12 +11,12 @@ from xmodule.contentstore.content import StaticContent, XASSET_SRCREF_PREFIX
 
 log = logging.getLogger(__name__)
 
-def import_static_content(modules, course_loc, course_data_path, static_content_store, target_location_namespace):
+def import_static_content(modules, course_loc, course_data_path, static_content_store, target_location_namespace, subpath = 'static'):
     
     remap_dict = {}
-   
+
     # now import all static assets
-    static_dir = course_data_path / 'static/'
+    static_dir = course_data_path / subpath
 
     for dirname, dirnames, filenames in os.walk(static_dir):
         for filename in filenames:
@@ -24,6 +24,8 @@ def import_static_content(modules, course_loc, course_data_path, static_content_
             try:
                 content_path = os.path.join(dirname, filename)
                 fullname_with_subpath = content_path.replace(static_dir, '')  # strip away leading path from the name
+                if fullname_with_subpath.startswith('/'):
+                    fullname_with_subpath = fullname_with_subpath[1:]
                 content_loc = StaticContent.compute_location(target_location_namespace.org, target_location_namespace.course, fullname_with_subpath)
                 mime_type = mimetypes.guess_type(filename)[0]
 
@@ -125,8 +127,11 @@ def import_from_xml(store, data_dir, course_dirs=None,
                 course_location = module.location
 
         if static_content_store is not None:
+            _namespace_rename = target_location_namespace if target_location_namespace is not None else  module_store.modules[course_id].location
+            
+            # first pass to find everything in /static/
             import_static_content(module_store.modules[course_id], course_location, course_data_path, static_content_store, 
-                target_location_namespace if target_location_namespace is not None else  course_location)
+                _namespace_rename, subpath='static')
 
         for module in module_store.modules[course_id].itervalues():
 

common/lib/xmodule/xmodule/video_module.py

@@ -6,6 +6,9 @@ from pkg_resources import resource_string, resource_listdir
 
 from xmodule.x_module import XModule
 from xmodule.raw_module import RawDescriptor
+from xmodule.modulestore.mongo import MongoModuleStore
+from xmodule.modulestore.django import modulestore
+from xmodule.contentstore.content import StaticContent
 
 log = logging.getLogger(__name__)
 
@@ -93,6 +96,13 @@ class VideoModule(XModule):
         return self.youtube
 
     def get_html(self):
+        if isinstance(modulestore(), MongoModuleStore) :
+            caption_asset_path = StaticContent.get_base_url_path_for_course_assets(self.location) + '/subs_'
+        else:
+            # VS[compat]
+            # cdodge: filesystem static content support.
+            caption_asset_path = "/static/{0}/subs/".format(self.metadata['data_dir'])
+
         return self.system.render_template('video.html', {
             'streams': self.video_list(),
             'id': self.location.html_id(),
@@ -102,6 +112,7 @@ class VideoModule(XModule):
             'display_name': self.display_name,
             # TODO (cpennington): This won't work when we move to data that isn't on the filesystem
             'data_dir': self.metadata['data_dir'],
+            'caption_asset_path': caption_asset_path,
             'show_captions': self.show_captions
         })
 

lms/templates/video.html

@@ -2,7 +2,7 @@
   <h2> ${display_name} </h2>
 % endif
 
-<div id="video_${id}" class="video" data-streams="${streams}" data-caption-data-dir="${data_dir}" data-show-captions="${show_captions}">
+<div id="video_${id}" class="video" data-streams="${streams}" data-caption-data-dir="${data_dir}" data-caption-asset-path="${caption_asset_path}" data-show-captions="${show_captions}">
   <div class="tc-wrapper">
     <article class="video-wrapper">
       <section class="video-player">