NewsBlur/media/js/newsblur/reader/reader_statistics.js
2022-06-09 10:18:32 -07:00

437 lines
20 KiB
JavaScript

NEWSBLUR.ReaderStatistics = function(feed_id, options) {
var defaults = {
embedded: false,
width: 700
};
this.options = $.extend({}, defaults, options);
this.model = NEWSBLUR.assets;
if (!feed_id) {
feed_id = NEWSBLUR.assets.feeds.first().id;
}
this.feed_id = feed_id;
if (this.options.embedded) {
this.feed = NEWSBLUR.stats_feed;
} else {
this.feed = this.model.get_feed(feed_id);
this.feeds = this.model.get_feeds();
}
this.first_load = true;
this.runner();
};
NEWSBLUR.ReaderStatistics.prototype = new NEWSBLUR.Modal;
NEWSBLUR.ReaderStatistics.prototype.constructor = NEWSBLUR.ReaderStatistics;
_.extend(NEWSBLUR.ReaderStatistics.prototype, {
runner: function() {
var self = this;
this.initialize_feed(this.feed_id);
this.make_modal();
if (this.options.embedded) {
$(".NB-embedded-stats").html(this.$modal);
} else {
this.open_modal();
setTimeout(function() {
self.get_stats();
}, 50);
this.$modal.bind('click', $.rescope(this.handle_click, this));
this.$modal.bind('change', $.rescope(this.handle_change, this));
}
},
make_modal: function() {
var self = this;
this.$modal = $.make('div', { className: 'NB-modal-statistics NB-modal' }, [
(!this.options.embedded && $.make('div', { className: 'NB-modal-feed-chooser-container'}, [
this.make_feed_chooser({skip_starred: true, feed_id: this.feed.id})
])),
$.make('div', { className: 'NB-modal-loading' }),
(!this.options.embedded && $.make('h2', { className: 'NB-modal-title' }, [
$.make('div', { className: 'NB-icon' }),
'Statistics & History',
$.make('div', { className: 'NB-icon-dropdown' })
])),
$.make('h2', { className: 'NB-modal-subtitle' }, [
$.make('img', { className: 'NB-modal-feed-image feed_favicon', src: $.favicon(this.feed) }),
$.make('div', { className: 'NB-modal-feed-heading' }, [
$.make('span', { className: 'NB-modal-feed-title' }, this.feed.get('feed_title')),
$.make('span', { className: 'NB-modal-feed-subscribers ' + (_.isUndefined(this.feed.get('num_subscribers')) && 'NB-hidden') }, Inflector.pluralize(' subscriber', this.feed.get('num_subscribers'), true))
])
]),
$.make('div', { className: 'NB-modal-statistics-info' })
]);
var $stats = this.make_stats({
'last_update': '',
'next_update': '',
'loading': true
});
$('.NB-modal-statistics-info', this.$modal).replaceWith($stats);
},
get_stats: function() {
var $loading = $('.NB-modal-loading', this.$modal);
$loading.addClass('NB-active');
var statistics_fn = this.options.social_feed ? this.model.get_social_statistics : this.model.get_feed_statistics;
statistics_fn.call(this.model, this.feed_id, $.rescope(this.populate_stats, this));
},
populate_stats: function(s, data) {
var self = this;
NEWSBLUR.log(['Stats', data]);
var $loading = $('.NB-modal-loading', this.$modal);
$loading.removeClass('NB-active');
var $stats = this.make_stats(data);
$('.NB-modal-statistics-info', this.$modal).replaceWith($stats);
$(".NB-modal-feed-subscribers", this.$modal).removeClass('NB-hidden').text(Inflector.pluralize(' subscriber', data.num_subscribers, true));
var $expires_label = $(".NB-statistics-push-expires-label", this.$modal);
var $expires = $(".NB-statistics-push-expires", this.$modal);
if (data['push_expires']) {
$expires_label.html("Push expires");
$expires.html(data['push_expires']);
} else {
$expires_label.html("");
$expires.html("");
}
setTimeout(function() {
self.make_chart_count(data);
self.make_chart_hours(data);
self.make_chart_days(data);
}, this.first_load ? 200 : 50);
if (!this.options.embedded) {
setTimeout(function() {
$.modal.impl.resize(self.$modal);
}, 100);
}
},
make_stats: function(data) {
var update_interval = NEWSBLUR.utils.calculate_update_interval(data['update_interval_minutes']);
var premium_update_interval = NEWSBLUR.utils.calculate_update_interval(data['premium_update_interval_minutes']);
var $stats = $.make('div', { className: 'NB-modal-statistics-info' }, [
(!this.options.social_feed && $.make('div', { className: 'NB-statistics-stat NB-statistics-updates'}, [
$.make('div', { className: 'NB-statistics-update'}, [
$.make('div', { className: 'NB-statistics-label' }, 'Last Update'),
$.make('div', { className: 'NB-statistics-count' }, ' ' + (data['last_update'] && (data['last_update'] + ' ago')))
]),
$.make('div', { className: 'NB-statistics-update'}, [
(data['push'] && $.make('div', { className: 'NB-statistics-realtime' }, [
$.make('div', { className: 'NB-statistics-label' }, [
$.make('img', { src: NEWSBLUR.Globals.MEDIA_URL + '/img/reader/realtime_spinner.gif', className: 'NB-statisics-realtime-spinner' }),
'Real-time'
]),
$.make('div', { className: 'NB-statistics-count' }, 'Supplemented by checks every ' + update_interval)
])),
(!data['push'] && $.make('div', [
$.make('div', { className: 'NB-statistics-label' }, 'Every'),
$.make('div', { className: 'NB-statistics-count' }, update_interval)
]))
]),
$.make('div', { className: 'NB-statistics-update'}, [
$.make('div', { className: 'NB-statistics-label' }, 'Next Update'),
(data.active && $.make('div', { className: 'NB-statistics-count' }, ' ' + (data['next_update'] && ('in ' + data['next_update'])))),
(!data.active && !data.loading && $.make('div', { className: 'NB-statistics-count' }, "Not active"))
]),
$.make('div', { className: 'NB-statistics-update'}, [
$.make('div', { className: 'NB-statistics-label' }, 'Stories in archive'),
(data['archive_count'] && $.make('div', { className: 'NB-statistics-count', title: Inflector.commas(data['fs_size_bytes']) + " bytes" }, ' ' + ((Inflector.commas(data['archive_count'])) + " " + Inflector.pluralize("story", data['archive_count']))))
]),
((data.average_stories_per_month == 0 || data.stories_last_month == 0) &&
data.update_interval_minutes > 60 &&
$.make('div', { className: 'NB-statistics-update-explainer' }, [
$.make('b', 'Why so infrequently?'),
'This site has published zero stories in the past month or has averaged less than a single story a month. As soon as it starts publishing at least once a month, it will automatically fetch more frequently.'
])),
(data.errors_since_good &&
$.make('div', { className: 'NB-statistics-update-explainer' }, [
$.make('b', 'Why is the next update not at the normal rate?'),
'This site has is throwing exceptions and is not in a healthy state. Look at the bottom of this dialog to see the exact status codes for the feed. The more errors for the feed, the longer time taken between fetches.'
])),
(!NEWSBLUR.Globals.is_premium && $.make('div', { className: 'NB-statistics-premium-stats' }, [
$.make('div', { className: 'NB-statistics-update'}, [
$.make('div', { className: 'NB-statistics-label' }, [
'If you went ',
$.make('a', { href: '#', className: 'NB-premium-link NB-splash-link' }, 'premium'),
', ',
$.make('br'),
'this site would update every'
]),
$.make('div', { className: 'NB-statistics-count' }, premium_update_interval),
(data['push'] && $.make('div', { className: 'NB-statistics-realtime' }, [
$.make('div', { className: 'NB-statistics-label' }, [
'but it wouldn\'t matter because',
$.make('br'),
'this site is already in real-time'
])
]))
])
]))
])),
$.make('div', { className: 'NB-statistics-stat NB-statistics-history'}, [
$.make('div', { className: 'NB-statistics-history-stat' }, [
$.make('div', { className: 'NB-statistics-label' }, 'Stories per month')
]),
$.make('canvas', { id: 'NB-statistics-history-count-chart', className: 'NB-statistics-history-count-chart' })
]),
$.make('div', { className: 'NB-statistics-stat NB-statistics-history'}, [
$.make('div', { className: 'NB-statistics-history-stat' }, [
$.make('div', { className: 'NB-statistics-label' }, 'Stories per day')
]),
$.make('canvas', { id: 'NB-statistics-history-days-chart', className: 'NB-statistics-history-days-chart' })
]),
$.make('div', { className: 'NB-statistics-stat NB-statistics-history'}, [
$.make('div', { className: 'NB-statistics-history-stat' }, [
$.make('div', { className: 'NB-statistics-label' }, 'Daily distribution of stories')
]),
$.make('div', { className: 'NB-statistics-history-hours-chart' })
]),
(data.classifier_counts && $.make('div', { className: 'NB-statistics-state NB-statistics-classifiers' }, [
this.make_classifier_count('tag', data.classifier_counts['tag']),
this.make_classifier_count('author', data.classifier_counts['author']),
this.make_classifier_count('title', data.classifier_counts['title']),
this.make_classifier_count('feed', data.classifier_counts['feed'])
])),
(!this.options.social_feed && $.make('div', { className: 'NB-statistics-stat NB-statistics-fetches'}, [
$.make('div', { className: 'NB-statistics-fetches-half'}, [
$.make('div', { className: 'NB-statistics-label' }, 'Feed Fetch'),
$.make('div', this.make_history(data, 'feed_fetch'))
]),
$.make('div', { className: 'NB-statistics-fetches-half'}, [
$.make('div', { className: 'NB-statistics-label' }, 'Page Fetch'),
$.make('div', this.make_history(data, 'page_fetch'))
]),
$.make('div', { className: 'NB-statistics-fetches-half'}, [
$.make('div', { className: 'NB-statistics-label' }, 'Feed Push'),
$.make('div', this.make_history(data, 'feed_push')),
$.make('div', { className: 'NB-statistics-label NB-statistics-push-expires-label' }, 'Push Expires'),
$.make('div', { className: 'NB-statistics-label NB-statistics-push-expires' })
])
]))
]);
return $stats;
},
make_classifier_count: function(facet, data) {
var self = this;
if (!data) return;
var $facets = $.make('div', { className: 'NB-statistics-facets' }, [
$.make('div', { className: 'NB-statistics-facet-title' }, Inflector.pluralize(facet, data.length))
]);
var max = 10;
_.each(data, function(v) {
if (v.pos > max || v.neg > max) {
max = Math.max(v.pos, v.neg);
}
});
var max_width = 100;
var multiplier = max_width / parseFloat(max, 10);
var calculate_width = function(count) {
return Math.max(1, multiplier * count);
};
_.each(data, function(counts) {
var pos = counts.pos || 0;
var neg = counts.neg || 0;
var key = counts[facet];
if (facet == 'feed' && self.options.social_feed && counts['feed_id'] != 0) {
key = [$.make('div', [
$.make('img', { className: 'NB-modal-feed-image feed_favicon', src: $.favicon(counts['feed_id']) }),
$.make('span', { className: 'NB-modal-feed-title' }, counts['feed_title'])
])];
} else if (facet == 'feed') {
key = [$.make('div', [
$.make('img', { className: 'NB-modal-feed-image feed_favicon', src: $.favicon(self.feed) }),
$.make('span', { className: 'NB-modal-feed-title' }, self.feed.get('feed_title'))
])];
}
if (!key || (!pos && !neg)) return;
var $facet = $.make('div', { className: 'NB-statistics-facet' }, [
(pos && $.make('div', { className: 'NB-statistics-facet-pos' }, [
$.make('div', { className: 'NB-statistics-facet-bar' }).css('width', calculate_width(pos)),
$.make('div', { className: 'NB-statistics-facet-count' }, Inflector.pluralize(' like', pos, true)).css('margin-left', calculate_width(pos)+5)
])),
(neg && $.make('div', { className: 'NB-statistics-facet-neg' }, [
$.make('div', { className: 'NB-statistics-facet-bar' }).css('width', calculate_width(neg)),
$.make('div', { className: 'NB-statistics-facet-count' }, Inflector.pluralize(' dislike', neg, true)).css('margin-right', calculate_width(neg)+5)
])),
$.make('div', { className: 'NB-statistics-facet-separator' }),
$.make('div', { className: 'NB-statistics-facet-name' }, key)
]);
$facets.append($facet);
});
return $facets;
},
make_history: function(data, fetch_type) {
var fetches = data[fetch_type+'_history'];
var $history;
if (!fetches || !fetches.length) {
$history = $.make('div', { className: 'NB-history-empty' }, "Nothing recorded.");
} else {
$history = _.map(fetches, function(fetch) {
var feed_ok = _.contains([200, 304], fetch.status_code) || !fetch.status_code;
var status_class = feed_ok ? ' NB-ok ' : ' NB-errorcode ';
return $.make('div', { className: 'NB-history-fetch' + status_class, title: feed_ok ? '' : fetch.exception }, [
$.make('div', { className: 'NB-history-fetch-date' }, fetch.fetch_date || fetch.push_date),
$.make('div', { className: 'NB-history-fetch-message' }, [
fetch.message,
(fetch.status_code && $.make('div', { className: 'NB-history-fetch-code' }, ' ('+fetch.status_code+')'))
])
]);
});
}
return $history;
},
make_chart_count: function(data) {
var labels = _.map(data['story_count_history'], function(date) {
var date_matched = date[0].match(/(\d{4})-(\d{1,2})/);
var date = (new Date(parseInt(date_matched[1], 10), parseInt(date_matched[2],10)-1));
return NEWSBLUR.utils.shortMonthNames[date.getMonth()] + " " + date.getUTCFullYear();
});
if (labels.length > 16) {
var cut_size = Math.round(labels.length / 16.0);
labels = _.map(labels, function(label, c) {
if ((c % cut_size) == 0) return label;
return "";
});
}
var values = _.map(data['story_count_history'], function(date) {
return date[1];
});
var points = {
labels: labels,
datasets: [
{
fillColor : "rgba(151,187,205,0.5)",
strokeColor : "rgba(151,187,205,1)",
pointColor : "rgba(151,187,205,1)",
pointStrokeColor : "#fff",
data : values
}
]
};
var $plot = $(".NB-statistics-history-count-chart");
var width = $plot.width();
var height = $plot.height();
$plot.attr('width', width);
$plot.attr('height', height);
var myLine = new Chart($plot.get(0).getContext("2d")).Line(points, {
scaleLabel : "<%= Math.round(value) %>",
showTooltips: false,
scaleBeginAtZero: true
});
},
make_chart_hours: function(data) {
var max_count = _.max(data.story_hours_history);
var $chart = $.make('table', [
$.make('tr', { className: 'NB-statistics-history-chart-hours-row' }, [
_.map(_.range(24), function(hour) {
var count = data.story_hours_history[hour] || data.story_hours_history["" + hour] || 0;
var opacity = 1 - (count * 1.0 / max_count);
var theme = NEWSBLUR.assets.theme();
if (theme == 'light') {
return $.make('td', { style: "background-color: rgba(255, 255, 255, " + opacity + ");" });
} else if (theme == 'dark') {
opacity = 1 - opacity;
return $.make('td', { style: "background-color: rgba(151, 187, 205, " + opacity + ");" });
}
})
]),
$.make('tr', { className: 'NB-statistics-history-chart-hours-text-row' }, [
_.compact(_.map(_.range(24), function(hour, count) {
var am = hour < 12;
if (hour == 0) hour = 12;
var hour_name = am ? (hour + "am") : ((hour > 12 ? hour - 12 : hour) + "pm");
if (hour % 3 == 0) {
return $.make('td', { colSpan: 3 }, hour_name);
}
}))
])
]);
$(".NB-statistics-history-hours-chart", this.$modal).html($chart);
},
make_chart_days: function(data) {
var labels = NEWSBLUR.utils.dayNames;
var values = _.map(_.range(7), function(day) {
return data['story_days_history'][day] || 0;
});
var points = {
labels: labels,
datasets: [
{
fillColor : "rgba(151,187,205,0.5)",
strokeColor : "rgba(151,187,205,1)",
pointColor : "rgba(151,187,205,1)",
pointStrokeColor : "#fff",
data : values
}
]
};
var $plot = $(".NB-statistics-history-days-chart");
var width = $plot.width();
var height = $plot.height();
$plot.attr('width', width);
$plot.attr('height', height);
var myLine = new Chart($plot.get(0).getContext("2d")).Radar(points, {
scaleShowLabelBackdrop: false,
showTooltips: false,
scaleFontSize: 16
});
},
close_and_load_premium: function() {
this.close(function() {
NEWSBLUR.reader.open_feedchooser_modal();
});
},
// ===========
// = Actions =
// ===========
handle_change: function(elem, e) {
var self = this;
$.targetIs(e, { tagSelector: '.NB-modal-feed-chooser' }, function($t, $p){
var feed_id = $t.val().replace('feed:', '');
self.first_load = false;
self.initialize_feed(feed_id);
self.get_stats();
});
},
handle_click: function(elem, e) {
var self = this;
$.targetIs(e, { tagSelector: '.NB-premium-link' }, function($t, $p) {
e.preventDefault();
self.close_and_load_premium();
});
}
});