From c8e6a54a678dce43e70c5e2e01161d3b51a41ac7 Mon Sep 17 00:00:00 2001
From: alim4r <7687869+alim4r@users.noreply.github.com>
Date: Sat, 4 Feb 2023 23:08:36 +0100
Subject: [PATCH] Add first implementation of the rediscover feature

---
 maloja/database/__init__.py                   |  6 +++
 maloja/database/sqldb.py                      | 28 ++++++++++
 .../jinja/partials/rediscover_scrobbles.jinja | 27 ++++++++++
 maloja/web/jinja/rediscover.jinja             | 54 +++++++++++++++++++
 4 files changed, 115 insertions(+)
 create mode 100644 maloja/web/jinja/partials/rediscover_scrobbles.jinja
 create mode 100644 maloja/web/jinja/rediscover.jinja

diff --git a/maloja/database/__init__.py b/maloja/database/__init__.py
index 473cb7b..e40beb5 100644
--- a/maloja/database/__init__.py
+++ b/maloja/database/__init__.py
@@ -336,6 +336,12 @@ def get_top_tracks(dbconn=None,**keys):
 
 	return results
 
+@waitfordb
+def get_rediscover(dbconn=None,**keys):
+	(since,to) = keys.get('timerange').timestamps()
+	result = sqldb.get_scrobbles_rediscover(since=since,to=to,dbconn=dbconn)
+	return result
+
 @waitfordb
 def artist_info(dbconn=None,**keys):
 
diff --git a/maloja/database/sqldb.py b/maloja/database/sqldb.py
index 957243b..11a60b3 100644
--- a/maloja/database/sqldb.py
+++ b/maloja/database/sqldb.py
@@ -579,6 +579,34 @@ def get_scrobbles_num(since=None,to=None,dbconn=None):
 
 	return result[0][0]
 
+
+@cached_wrapper
+@connection_provider
+def get_scrobbles_rediscover(since,to,resolve_ids=True,dbconn=None):
+	op = sql.select(
+		sql.func.count(DB['scrobbles'].c.track_id).label('count'),
+		DB['scrobbles'].c.track_id,
+		sql.func.max(DB['scrobbles'].c.timestamp).label('timestamp')
+	).select_from(DB['scrobbles']).where(
+		#DB['scrobbles'].c.timestamp<=to,
+		#DB['scrobbles'].c.timestamp>=since
+	).group_by(DB['scrobbles'].c.track_id).having(
+		DB['scrobbles'].c.timestamp<=to
+	).having(
+		sql.text('count >= 3')
+	).order_by(sql.desc('timestamp'), sql.desc('count'))
+	result = dbconn.execute(op).all()
+
+	if resolve_ids:
+		counts = [row.count for row in result]
+		tracks = get_tracks_map([row.track_id for row in result],dbconn=dbconn)
+		result = [{'scrobbles':row.count,'track':tracks[row.track_id],'time':row.timestamp} for row in result]
+	else:
+		result = [{'scrobbles':row.count,'track_id':row.track_id,'time':row.timestamp} for row in result]
+	result = rank(result,key='scrobbles')
+	return result
+
+
 @cached_wrapper
 @connection_provider
 def get_artists_of_track(track_id,resolve_references=True,dbconn=None):
diff --git a/maloja/web/jinja/partials/rediscover_scrobbles.jinja b/maloja/web/jinja/partials/rediscover_scrobbles.jinja
new file mode 100644
index 0000000..d677432
--- /dev/null
+++ b/maloja/web/jinja/partials/rediscover_scrobbles.jinja
@@ -0,0 +1,27 @@
+{% import 'snippets/links.jinja' as links %}
+{% import 'snippets/entityrow.jinja' as entityrow %}
+
+{% if scrobbles is undefined %}
+	{% set scrobbles = dbc.get_rediscover(filterkeys,limitkeys) %}
+{% endif %}
+
+{% set firstindex = amountkeys.page * amountkeys.perpage %}
+{% set lastindex = firstindex + amountkeys.perpage %}
+
+{% set maxbar = scrobbles[0]['scrobbles'] if scrobbles != [] else 0 %}
+<table class='list'>
+	{% for e in scrobbles %}
+		{% if loop.index0 >= firstindex and loop.index0 < lastindex %}
+		<tr>
+			<!-- Timestamp -->
+			<td class='time'>{{ malojatime.timestamp_desc(e["time"],short=shortTimeDesc) }}</td>
+			<!-- scrobbles -->
+			<td class="amount">{{ links.link_scrobbles([{'track':e.track,'timerange':limitkeys.timerange}],amount=e['scrobbles']) }}</td>
+			<td class="bar">{{ links.link_scrobbles([{'track':e.track,'timerange':limitkeys.timerange}],percent=e['scrobbles']*100/maxbar) }}</td>
+
+			<!-- artist -->
+			{{ entityrow.row(e['track']) }}
+		</tr>
+		{% endif %}
+	{% endfor %}
+</table>
diff --git a/maloja/web/jinja/rediscover.jinja b/maloja/web/jinja/rediscover.jinja
new file mode 100644
index 0000000..fa55cf4
--- /dev/null
+++ b/maloja/web/jinja/rediscover.jinja
@@ -0,0 +1,54 @@
+{% extends "abstracts/base.jinja" %}
+{% block title %}Maloja - Rediscover{% endblock %}
+
+{% import 'snippets/links.jinja' as links %}
+
+{% block scripts %}
+	<script src="/datechange.js" async></script>
+{% endblock %}
+
+{% set scrobbles = dbc.get_rediscover(filterkeys,limitkeys) %}
+{% set pages = math.ceil(scrobbles.__len__() / amountkeys.perpage) %}
+{% if scrobbles[0] is defined %}
+	{% set toptrack = scrobbles[0].track %}
+	{% set img = images.get_track_image(toptrack) %}
+{% else %}
+	{% set img = "/favicon.png" %}
+{% endif %}
+
+
+{% block content %}
+
+<table class="top_info">
+	<tr>
+		<td class="image">
+			<div style="background-image:url('{{ img }}')"></div>
+		</td>
+		<td class="text">
+			<h1>Rediscover</h1>
+			{% if filterkeys.get('artist') is not none %}by {{ links.link(filterkeys.get('artist')) }}{% endif %}
+			<span>{{ limitkeys.timerange.desc(prefix=True) }}</span>
+			<br/>
+			<p class="stats">{{ scrobbles.__len__() }} Scrobbles</p>
+			<br/>
+			{% with delimitkeys = {} %}
+			{% include 'snippets/timeselection.jinja' %}
+			{% endwith %}
+
+		</td>
+	</tr>
+</table>
+
+{% if settings['CHARTS_DISPLAY_TILES'] %}
+	{% include 'partials/charts_tracks_tiles.jinja' %}
+	<br/><br/>
+{% endif %}
+
+{% with compare=true %}
+{% include 'partials/rediscover_scrobbles.jinja' %}
+{% endwith %}
+
+{% import 'snippets/pagination.jinja' as pagination %}
+{{ pagination.pagination(filterkeys,limitkeys,delimitkeys,amountkeys,pages) }}
+
+{% endblock %}