added hook to add tags to tasks (both on system files and cache)

inginious/frontend/webapp/plugins/task_cache/__init__.py

@@ -1,8 +1,24 @@
 import logging
 import json
+import os.path
+from . import pages
+from inginious.frontend.webapp.plugins.utils import create_static_resource_page
+_PLUGIN_PATH = os.path.dirname(__file__)
+_BASE_RENDERER_PATH = _PLUGIN_PATH
+_BASE_STATIC_FOLDER = os.path.join(_PLUGIN_PATH, 'static')
+_logger = logging.getLogger("inginious.frontend.webapp.plugins.task_cache")
+
+
+def tag_selection_tab(course, taskid, task_data, template_helper):
+    tab_id = 'tab_task_tags'
+    link = '<i class="fa fa-tags fa-fw"></i>&nbsp; Tags'
+    template_helper.add_css("https://cdn.jsdelivr.net/bootstrap.tagsinput/0.4.2/bootstrap-tagsinput.css")
+    template_helper.add_javascript("https://cdn.jsdelivr.net/bootstrap.tagsinput/0.4.2/bootstrap-tagsinput.min.js")
+    tags = task_data.get('tags', "")
+    content = template_helper.get_custom_renderer(_BASE_RENDERER_PATH,
+                                                  layout=False).tags(course, taskid, task_data, tags)
+    return tab_id, link, content
 
-_BASE_RENDERER_PATH = 'frontend/webapp/plugins/hooks_example'
-_logger = logging.getLogger("inginious.frontend.webapp.plugins.hooks_example")
 
 def init(plugin_manager, course_factory, client, config):
 
@@ -11,7 +27,7 @@ def on_task_updated(courseid, taskid, new_content):
         descriptor = course_factory.get_course(courseid)._task_factory.get_task_descriptor_content(courseid, taskid)
         task_author = descriptor["author"]
         task_context = descriptor["context"]
-        tags = new_content.get("tags", [])
+        tags = new_content.get("tags", "").split(',')
         task_data = {
             "task_name": task_name,
             "task_id": taskid,
@@ -54,8 +70,12 @@ def on_course_updated(courseid, new_content):
 
     if "tasks_cache" not in plugin_manager.get_database().collection_names():
         plugin_manager.get_database().create_collection("tasks_cache")
+
     plugin_manager.get_database().tasks_cache.create_index([("course_id", 1), ("task_id", 1)], unique=True)
 
+    plugin_manager.add_page(r'/static/task_cache/(.*)', create_static_resource_page(_BASE_STATIC_FOLDER))
+    plugin_manager.add_page('/api/tags', pages.TagsApi)
+    plugin_manager.add_hook('task_editor_tab', tag_selection_tab)
     plugin_manager.add_hook('task_updated', on_task_updated)
     plugin_manager.add_hook('task_deleted', on_task_deleted)
     plugin_manager.add_hook('course_updated', on_course_updated)

inginious/frontend/webapp/plugins/task_cache/pages.py

@@ -0,0 +1,45 @@
+import web
+import inginious.frontend.webapp.pages.api._api_page as api
+from inginious.frontend.webapp.pages.api._api_page import APIAuthenticatedPage
+from inginious.common.course_factory import CourseNotFoundException, InvalidNameException, CourseUnreadableException
+
+
+class TagsApi(APIAuthenticatedPage):
+    def API_GET(self):
+        self.validate_parameters()
+        return self.tags()
+
+    def validate_parameters(self):
+        user_input = web.input(user_input=None).user_input
+
+        if user_input is None:
+            raise api.APIError(400, {"error": "user_input is mandatory"})
+
+    def tags(self):
+        user_input = web.input().user_input
+
+        pattern = ".*" + user_input + ".*"
+
+        suggested_tags = self.database.tasks_cache.aggregate([
+            {
+                "$unwind": {"path": "$tags"}
+            },
+            {
+                "$match": {"tags": {"$regex": pattern}}
+            },
+            {
+                "$group":
+                    {
+                        "_id": 0,
+                        "tags": {"$addToSet": "$tags"}
+                    }
+            },
+            {
+                "$project": {
+                    "_id": 0,
+                    "tags": "$tags"
+                }
+            }
+        ])
+
+        return 200, list(suggested_tags)

inginious/frontend/webapp/plugins/task_cache/tags.html

@@ -0,0 +1,8 @@
+$def with (course, taskid, task_data, tags)
+
+<h3>${taskid}'s Tags</h3>
+<div class="form-group">
+    <div class="col-sm-8" id="tags">
+        <input type="text" value="$tags" data-role="tagsinput" name="tags"/>
+    </div>
+</div>