Exemplo n.º 1
0
def tabular_view(request, facility, report_type="exercise"):
    """Tabular view also gets data server-side."""

    # Get a list of topics (sorted) and groups
    topics = get_knowledgemap_topics()
    (groups, facilities) = get_accessible_objects_from_logged_in_user(request)
    context = plotting_metadata_context(request, facility=facility)
    context.update({
        "report_types": ("exercise", "video"),
        "request_report_type": report_type,
        "topics": topics,
    })

    # get querystring info
    topic_id = request.GET.get("topic", "")
    # No valid data; just show generic
    if not topic_id or not re.match("^[\w\-]+$", topic_id):
        return context

    group_id = request.GET.get("group", "")
    if group_id:
        # Narrow by group
        users = FacilityUser.objects.filter(
            group=group_id, is_teacher=False).order_by("last_name",
                                                       "first_name")

    elif facility:
        # Narrow by facility
        search_groups = [
            dict["groups"] for dict in groups
            if dict["facility"] == facility.id
        ]
        assert len(search_groups) <= 1, "should only have one or zero matches."

        # Return groups and ungrouped
        search_groups = search_groups[
            0]  # make sure to include ungrouped students
        users = FacilityUser.objects.filter(
            Q(group__in=search_groups) | Q(group=None, facility=facility),
            is_teacher=False).order_by("last_name", "first_name")

    else:
        # Show all (including ungrouped)
        for groups_dict in groups:
            search_groups += groups_dict["groups"]
        users = FacilityUser.objects.filter(
            Q(group__in=search_groups) | Q(group=None),
            is_teacher=False).order_by("last_name", "first_name")

    # We have enough data to render over a group of students
    # Get type-specific information
    if report_type == "exercise":
        # Fill in exercises
        exercises = get_topic_exercises(topic_id=topic_id)
        exercises = sorted(
            exercises, key=lambda e: (e["h_position"], e["v_position"]))
        context["exercises"] = exercises

        # More code, but much faster
        exercise_names = [ex["name"] for ex in context["exercises"]]
        # Get students
        context["students"] = []
        exlogs = ExerciseLog.objects \
            .filter(user__in=users, exercise_id__in=exercise_names) \
            .order_by("user__last_name", "user__first_name")\
            .values("user__id", "struggling", "complete", "exercise_id")
        exlogs = list(exlogs)  # force the query to be evaluated

        exlog_idx = 0
        for user in users:
            log_table = {}
            while exlog_idx < len(
                    exlogs) and exlogs[exlog_idx]["user__id"] == user.id:
                log_table[exlogs[exlog_idx]["exercise_id"]] = exlogs[exlog_idx]
                exlog_idx += 1

            context["students"].append({  # this could be DRYer
                "first_name": user.first_name,
                "last_name": user.last_name,
                "username": user.username,
                "name": user.get_name(),
                "id": user.id,
                "exercise_logs": log_table,
            })

    elif report_type == "video":
        # Fill in videos
        context["videos"] = get_topic_videos(topic_id=topic_id)

        # More code, but much faster
        video_ids = [vid["youtube_id"] for vid in context["videos"]]
        # Get students
        context["students"] = []
        vidlogs = VideoLog.objects \
            .filter(user__in=users, youtube_id__in=video_ids) \
            .order_by("user__last_name", "user__first_name")\
            .values("user__id", "complete", "youtube_id", "total_seconds_watched", "points")
        vidlogs = list(vidlogs)  # force the query to be executed now

        vidlog_idx = 0
        for user in users:
            log_table = {}
            while vidlog_idx < len(
                    vidlogs) and vidlogs[vidlog_idx]["user__id"] == user.id:
                log_table[vidlogs[vidlog_idx]
                          ["youtube_id"]] = vidlogs[vidlog_idx]
                vidlog_idx += 1

            context["students"].append({  # this could be DRYer
                "first_name": user.first_name,
                "last_name": user.last_name,
                "username": user.username,
                "name": user.get_name(),
                "id": user.id,
                "video_logs": log_table,
            })

    else:
        raise Http404("Unknown report_type: %s" % report_type)

    if "facility_user" in request.session:
        try:
            # Log a "begin" and end here
            user = request.session["facility_user"]
            UserLog.begin_user_activity(user, activity_type="coachreport")
            UserLog.update_user_activity(
                user, activity_type="login"
            )  # to track active login time for teachers
            UserLog.end_user_activity(user, activity_type="coachreport")
        except ValidationError as e:
            # Never report this error; don't want this logging to block other functionality.
            logging.debug(
                "Failed to update Teacher userlog activity login: %s" % e)

    return context
Exemplo n.º 2
0
def student_view_context(request, xaxis="pct_mastery", yaxis="ex:attempts"):
    """
    Context done separately, to be importable for similar pages.
    """
    user = get_user_from_request(request=request)
    topic_slugs = [t["id"] for t in get_knowledgemap_topics()]
    topics = [NODE_CACHE["Topic"][slug] for slug in topic_slugs]

    user_id = user.id
    exercise_logs = list(ExerciseLog.objects \
        .filter(user=user) \
        .values("exercise_id", "complete", "points", "attempts", "streak_progress", "struggling", "completion_timestamp"))
    video_logs = list(VideoLog.objects \
        .filter(user=user) \
        .values("youtube_id", "complete", "total_seconds_watched", "points", "completion_timestamp"))

    exercise_sparklines = dict()
    stats = dict()
    topic_exercises = dict()
    topic_videos = dict()
    exercises_by_topic = dict()
    videos_by_topic = dict()

    # Categorize every exercise log into a "midlevel" exercise
    for elog in exercise_logs:
        parents = NODE_CACHE["Exercise"][elog["exercise_id"]]["parents"]
        topic = set(parents).intersection(set(topic_slugs))
        if not topic:
            logging.error("Could not find a topic for exercise %s (parents=%s)"
                          % (elog["exercise_id"], parents))
            continue
        topic = topic.pop()
        if not topic in topic_exercises:
            topic_exercises[topic] = get_topic_exercises(
                path=NODE_CACHE["Topic"][topic]["path"])
        exercises_by_topic[topic] = exercises_by_topic.get(topic, []) + [elog]

    # Categorize every video log into a "midlevel" exercise.
    for vlog in video_logs:
        parents = NODE_CACHE["Video"][ID2SLUG_MAP[
            vlog["youtube_id"]]]["parents"]
        topic = set(parents).intersection(set(topic_slugs))
        if not topic:
            logging.error("Could not find a topic for video %s (parents=%s)" %
                          (vlog["youtube_id"], parents))
            continue
        topic = topic.pop()
        if not topic in topic_videos:
            topic_videos[topic] = get_topic_videos(
                path=NODE_CACHE["Topic"][topic]["path"])
        videos_by_topic[topic] = videos_by_topic.get(topic, []) + [vlog]

    # Now compute stats
    for topic in topic_slugs:  #set(topic_exercises.keys()).union(set(topic_videos.keys())):
        n_exercises = len(topic_exercises.get(topic, []))
        n_videos = len(topic_videos.get(topic, []))

        exercises = exercises_by_topic.get(topic, [])
        videos = videos_by_topic.get(topic, [])
        n_exercises_touched = len(exercises)
        n_videos_touched = len(videos)

        exercise_sparklines[topic] = [
            el["completion_timestamp"]
            for el in filter(lambda n: n["complete"], exercises)
        ]

        # total streak currently a pct, but expressed in max 100; convert to
        # proportion (like other percentages here)
        stats[topic] = {
            "ex:pct_mastery":
            0 if not n_exercises_touched else
            sum([el["complete"] for el in exercises]) / float(n_exercises),
            "ex:pct_started":
            0 if not n_exercises_touched else
            n_exercises_touched / float(n_exercises),
            "ex:average_points":
            0 if not n_exercises_touched else
            sum([el["points"]
                 for el in exercises]) / float(n_exercises_touched),
            "ex:average_attempts":
            0 if not n_exercises_touched else
            sum([el["attempts"]
                 for el in exercises]) / float(n_exercises_touched),
            "ex:average_streak":
            0 if not n_exercises_touched else
            sum([el["streak_progress"]
                 for el in exercises]) / float(n_exercises_touched) / 100.,
            "ex:total_struggling":
            0 if not n_exercises_touched else sum(
                [el["struggling"] for el in exercises]),
            "ex:last_completed":
            None if not n_exercises_touched else max_none(
                [el["completion_timestamp"] or None for el in exercises]),
            "vid:pct_started":
            0 if not n_videos_touched else n_videos_touched / float(n_videos),
            "vid:pct_completed":
            0 if not n_videos_touched else
            sum([vl["complete"] for vl in videos]) / float(n_videos),
            "vid:total_minutes":
            0 if not n_videos_touched else
            sum([vl["total_seconds_watched"] for vl in videos]) / 60.,
            "vid:average_points":
            0. if not n_videos_touched else float(
                sum([vl["points"]
                     for vl in videos]) / float(n_videos_touched)),
            "vid:last_completed":
            None if not n_videos_touched else max_none(
                [vl["completion_timestamp"] or None for vl in videos]),
        }

    context = plotting_metadata_context(request)

    return {
        "form":
        context["form"],
        "groups":
        context["groups"],
        "facilities":
        context["facilities"],
        "student":
        user,
        "topics":
        topics,
        "exercises":
        topic_exercises,
        "exercise_logs":
        exercises_by_topic,
        "video_logs":
        videos_by_topic,
        "exercise_sparklines":
        exercise_sparklines,
        "no_data":
        not exercise_logs and not video_logs,
        "stats":
        stats,
        "stat_defs": [  # this order determines the order of display
            {
                "key": "ex:pct_mastery",
                "title": _("% Mastery"),
                "type": "pct"
            },
            {
                "key": "ex:pct_started",
                "title": _("% Started"),
                "type": "pct"
            },
            {
                "key": "ex:average_points",
                "title": _("Average Points"),
                "type": "float"
            },
            {
                "key": "ex:average_attempts",
                "title": _("Average Attempts"),
                "type": "float"
            },
            {
                "key": "ex:average_streak",
                "title": _("Average Streak"),
                "type": "pct"
            },
            {
                "key": "ex:total_struggling",
                "title": _("Struggling"),
                "type": "int"
            },
            {
                "key": "ex:last_completed",
                "title": _("Last Completed"),
                "type": "date"
            },
            {
                "key": "vid:pct_completed",
                "title": _("% Completed"),
                "type": "pct"
            },
            {
                "key": "vid:pct_started",
                "title": _("% Started"),
                "type": "pct"
            },
            {
                "key": "vid:total_minutes",
                "title": _("Average Minutes Watched"),
                "type": "float"
            },
            {
                "key": "vid:average_points",
                "title": _("Average Points"),
                "type": "float"
            },
            {
                "key": "vid:last_completed",
                "title": _("Last Completed"),
                "type": "date"
            },
        ]
    }