Begin migrating backend to MongoDB

This commit is contained in:
Phillip Kühne 2020-04-15 00:45:00 +02:00
parent 8687408d9c
commit d3aea64880
4 changed files with 97 additions and 214 deletions

View File

@ -2,12 +2,14 @@
import sqlite3
import pandas
import pymongo
from bson.regex import Regex
from io import StringIO
song_table = "songs"
entry_table = "entries"
index_label = "Id"
done_table = "done_songs"
db_name = "karaoqueue"
song_collection_name = "songs"
entry_collection_name = "entries"
playback_collection_name = "played"
def dict_factory(cursor, row):
@ -16,102 +18,99 @@ def dict_factory(cursor, row):
d[col[0]] = row[idx]
return d
def open_db():
conn = sqlite3.connect("data/test.db")
conn.execute('PRAGMA encoding = "UTF-8";')
return conn
def open_db_client():
mongoClient = pymongo.MongoClient("mongodb://localhost:27017")
return mongoClient
def import_songs(song_csv):
print("Start importing Songs...")
df = pandas.read_csv(StringIO(song_csv), sep=';')
conn = open_db()
cur = conn.cursor()
df.to_sql(song_table, conn, if_exists='replace',
index=False)
cur.execute("SELECT Count(Id) FROM songs")
num_songs = cur.fetchone()[0]
conn.close()
client = open_db_client()
db = client[db_name]
if not song_collection_name in db.list_collection_names():
songsCollection = db[song_collection_name]
songsCollection.create_index("karafun_id", unique=True)
songsCollection.create_index([("title","text"),("artist","text")])
else:
songsCollection = db[song_collection_name]
def f(x): return (x.split(","))
df = pandas.read_csv(StringIO(song_csv), sep=';',
engine='python', parse_dates=["Date Added"])
df.Styles = df.Styles.apply(f, convert_dtype=True)
df.Languages = df.Languages.apply(f, convert_dtype=True)
df.Duo = df.Duo.astype('bool')
df.Explicit = df.Explicit.astype('bool')
df.columns = map(str.lower, df.columns)
df.rename(columns={'id': 'karafun_id'}, inplace=True)
num_songs = df.shape[0]
song_dict = df.to_dict('records')
try:
songsCollection.insert_many(song_dict)
except pymongo.errors.BulkWriteError as bwe:
return(bwe.details)
finally:
client.close()
print("Imported songs ({} in Database)".format(num_songs))
return("Imported songs ({} in Database)".format(num_songs))
def create_entry_table():
conn = open_db()
conn.execute('CREATE TABLE IF NOT EXISTS '+entry_table +
' (ID INTEGER PRIMARY KEY NOT NULL, Song_Id INTEGER NOT NULL, Name VARCHAR(255))')
conn.close()
def create_done_song_table():
conn = open_db()
conn.execute('CREATE TABLE IF NOT EXISTS '+done_table +
' (Song_Id INTEGER PRIMARY KEY NOT NULL, Plays INTEGER)')
conn.close()
def create_song_table():
conn = open_db()
conn.execute("CREATE TABLE IF NOT EXISTS \""+song_table+"""\" (
"Id" INTEGER,
"Title" TEXT,
"Artist" TEXT,
"Year" INTEGER,
"Duo" INTEGER,
"Explicit" INTEGER,
"Date Added" TEXT,
"Styles" TEXT,
"Languages" TEXT
)""")
conn.close()
def create_list_view():
conn = open_db()
conn.execute("""CREATE VIEW IF NOT EXISTS [Liste] AS
SELECT Name, Title, Artist, entries.Id, songs.Id
FROM entries, songs
WHERE entries.Song_Id=songs.Id""")
conn.close()
def create_done_song_view():
conn = open_db()
conn.execute("""CREATE VIEW IF NOT EXISTS [Abspielliste] AS
SELECT Artist || \" - \" || Title AS Song, Plays AS Wiedergaben
FROM songs, done_songs
WHERE done_songs.Song_Id=songs.Id""")
conn.close()
return("Imported songs ({} in Database)".format(num_songs))
def get_list():
conn = open_db()
conn.row_factory = sqlite3.Row
cur = conn.cursor()
cur.execute("SELECT * FROM Liste")
return cur.fetchall()
client = open_db_client()
db = client[db_name]
collection = db[entry_collection_name]
query = {}
cursor = collection.find()
result = {}
try:
for doc in cursor:
result += doc
finally:
client.close()
def get_played_list():
conn = open_db()
conn = open_db_client()
cur = conn.cursor()
cur.execute("SELECT * FROM Abspielliste")
return cur.fetchall()
def get_song_list():
conn =open_db()
conn =open_db_client()
cur = conn.cursor()
cur.execute("SELECT Artist || \" - \" || Title AS Song, Id FROM songs;")
return cur.fetchall()
def get_song_completions(input_string):
conn = open_db()
conn.row_factory = dict_factory
cur = conn.cursor()
# Don't look, it burns...
prepared_string = "%{0}%".format(input_string).upper() # "Test" -> "%TEST%"
print(prepared_string)
cur.execute(
"SELECT * FROM songs WHERE REPLACE(REPLACE(REPLACE(REPLACE(UPPER( Title ),'ö','Ö'),'ü','Ü'),'ä','Ä'),'ß','') LIKE (?) LIMIT 20;", (prepared_string,))
return cur.fetchall()
client = open_db_client()
db = client[db_name]
collection = db[song_collection_name]
cursor = collection.find({'$text': {'$search': input_string}}, {'_txtscr': {'$meta': 'textScore'}}, limit=30).sort([('_txtscr', {'$meta': 'textScore'})])
result = []
try:
for doc in cursor:
tmpdoc = doc
tmpdoc["_id"] = str(tmpdoc["_id"])
result.append(doc)
finally:
client.close()
# conn = open_db_client()
# conn.row_factory = dict_factory
# cur = conn.cursor()
# # Don't look, it burns...
# prepared_string = "%{0}%".format(input_string).upper() # "Test" -> "%TEST%"
# print(prepared_string)
# cur.execute(
# "SELECT * FROM songs WHERE REPLACE(REPLACE(REPLACE(REPLACE(UPPER( Title ),'ö','Ö'),'ü','Ü'),'ä','Ä'),'ß','ẞ') LIKE (?) LIMIT 20;", (prepared_string,))
print(result)
return result
def add_entry(name,song_id):
conn = open_db()
conn = open_db_client()
cur = conn.cursor()
cur.execute(
"INSERT INTO entries (Song_Id,Name) VALUES(?,?);", (song_id,name))
@ -120,7 +119,7 @@ def add_entry(name,song_id):
return
def add_sung_song(entry_id):
conn = open_db()
conn = open_db_client()
cur = conn.cursor()
cur.execute("""SELECT Song_Id FROM entries WHERE Id=?""",(entry_id,))
song_id = cur.fetchone()[0]
@ -136,7 +135,7 @@ def add_sung_song(entry_id):
return True
def clear_played_songs():
conn = open_db()
conn = open_db_client()
cur = conn.cursor()
cur.execute("DELETE FROM done_songs")
conn.commit()
@ -144,7 +143,7 @@ def clear_played_songs():
return True
def delete_entry(id):
conn = open_db()
conn = open_db_client()
cur = conn.cursor()
cur.execute("DELETE FROM entries WHERE id=?",(id,))
conn.commit()
@ -157,7 +156,7 @@ def delete_entries(ids):
for x in ids:
idlist.append( (x,) )
try:
conn = open_db()
conn = open_db_client()
cur = conn.cursor()
cur.executemany("DELETE FROM entries WHERE id=?", idlist)
conn.commit()
@ -167,7 +166,7 @@ def delete_entries(ids):
return -1
def delete_all_entries():
conn = open_db()
conn = open_db_client()
cur = conn.cursor()
cur.execute("DELETE FROM entries")
conn.commit()

View File

@ -2,6 +2,8 @@ import requests
from bs4 import BeautifulSoup
import json
import os
import datetime
import bson.objectid
data_directory = "data"
config_file = data_directory+"/config.json"
@ -36,4 +38,11 @@ def setup_config(app):
json.dump(config, handle, indent=4, sort_keys=True)
print("Wrote new config")
app.config['BASIC_AUTH_USERNAME'] = config['username']
app.config['BASIC_AUTH_PASSWORD'] = config['password']
app.config['BASIC_AUTH_PASSWORD'] = config['password']
def serialization_helper(obj):
if isinstance(obj, datetime.datetime):
return obj.isoformat()
elif isinstance(obj, bson.objectid.ObjectId):
return str(obj)

View File

@ -5,7 +5,9 @@ import database
import data_adapters
import os, errno
import json
from flask_basicauth import BasicAuth
from pprint import pprint
app = Flask(__name__, static_url_path='/static')
CORS(app)
@ -55,7 +57,7 @@ def songs():
@app.route("/api/songs/update")
@basic_auth.required
def update_songs():
database.delete_all_entries()
# database.delete_all_entries()
status = database.import_songs(helpers.get_songs(helpers.get_catalog_url()))
print(status)
return Response('{"status": "%s" }' % status, mimetype='text/json')
@ -67,7 +69,7 @@ def get_song_completions(input_string=""):
if input_string!="":
print(input_string)
list = database.get_song_completions(input_string=input_string)
return Response(json.dumps(list).encode('utf-8'), mimetype='application/json')
return Response(json.dumps(list, default=helpers.serialization_helper).encode('utf-8'), mimetype='application/json')
# return Response(json.dumps(list, ensure_ascii=False).encode('utf-8'), mimetype='text/json')
else:
@ -146,11 +148,6 @@ def admin():
@app.before_first_request
def activate_job():
helpers.create_data_directory()
database.create_entry_table()
database.create_song_table()
database.create_done_song_table()
database.create_list_view()
database.create_done_song_view()
helpers.setup_config(app)

View File

@ -18,73 +18,11 @@ table td:nth-child(2) {
aktualisieren</button>
<input id="entryToggle" type="checkbox" class="topbutton" data-toggle="toggle" data-on="Eintragen erlaubt" data-off="Eintragen deaktiviert" data-onstyle="success" data-offstyle="danger">
</div>
<table class="table entries"
id="entrytable"
data-toggle="table"
data-search="true"
data-show-columns="true"
data-show-toggle="true"
data-multiple-select-row="true"
data-click-to-select="true"
data-toolbar="#toolbar"
data-pagination="true"
data-show-extended-pagination="true"
data-classes="table table-hover"
data-url="/api/queue"
data-show-refresh="true"
data-auto-refresh="true"
data-auto-refresh-interval="10">
<thead>
<tr>
<th data-field="state" data-checkbox="true"></th>
<th scope="col" data-field="Name">Name</th>
<th scope="col" data-field="Title">Song</th>
<th scope="col" data-field="Artist">Künstler</th>
<th scope="col" data-formatter="TableActions">Aktionen</th>
</tr>
</thead>
</table>
<a name="end"></a>
</div>
{% endblock %}
{% block extrajs %}
<script>
$(function () {
$('#entryToggle').change(function() {
$.ajax({url: "/api/entries/accept/"+($('#entryToggle').is(":checked") ? "1" : "0"), complete: setTimeout(refreshEntryToggle, 1000)});
})
refreshEntryToggle()
$("#entrytable").bootstrapTable().on('load-success.bs.table', function() {
$('[data-toggle="tooltip"]').tooltip()
})
})
function confirmDeleteEntry(name, entry_id) {
bootbox.confirm("Wirklich den Eintrag von "+name+" löschen?", function(result){
if (result) {
deleteEntry(entry_id)
}
})
}
function confirmDeleteSelectedEntries() {
bootbox.confirm({
message: "Wirklich gewählte Eintragungen löschen?",
buttons: {
confirm: {
label: 'Ja',
className: 'btn btn-danger'
},
cancel: {
label: 'Nein',
className: 'btn btn-secondary'
}
},
callback: function(result){
if (result) {
DeleteSelectedEntries(getIdSelections())
}
}
})
}
function confirmUpdateSongDatabase() {
bootbox.confirm({
message: "Wirklich die Song-Datenbank aktualisieren?<br>Dies lädt die Aktuelle Song-Liste von <a href='https://www.karafun.de/karaoke-song-list.html'>KaraFun</a> herunter, <b>und wird alle Eintragungen löschen!</b>",
@ -110,58 +48,6 @@ table td:nth-child(2) {
}
})
}
function refreshEntryToggle() {
$.getJSON("/api/entries/accept", (data) => {
if (data["value"]!=$('#entryToggle').is(":checked")) {
if(data["value"]==1) {
$('#entryToggle').bootstrapToggle('on')
}
else {
$('#entryToggle').bootstrapToggle('off')
}
}
})
}
function deleteEntry(entry_id) {
$.ajax({
type: 'GET',
url: '/api/entries/delete/'+entry_id,
contentType: "application/json",
dataType: 'json',
async: false
});
$("#entrytable").bootstrapTable('refresh')
}
function markEntryAsSung(entry_id) {
$.ajax({
type: 'GET',
url: '/api/entries/mark_sung/'+entry_id,
contentType: "application/json",
dataType: 'json',
async: false
});
$("#entrytable").bootstrapTable('refresh')
}
function DeleteSelectedEntries(ids) {
$.ajax({
type: 'POST',
url: '/api/entries/delete',
data: JSON.stringify(ids), // or JSON.stringify ({name: 'jonas'}),
error: function() {
bootbox.alert({
message: "Fehler beim Löschen der Eintragungen.",
})
},
success: function() {
$("#entrytable").bootstrapTable('refresh')
},
contentType: "application/json",
dataType: 'json'
});
}
function updateSongDatabase(wait_dialog) {
$.ajax({
type: 'GET',
@ -179,13 +65,5 @@ table td:nth-child(2) {
}
});
}
function TableActions (value, row, index) {
return "<button type=\"button\" class=\"btn btn-success\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Als gesungen markieren\" onclick=\"markEntryAsSung("+row.ID+")\"><i class=\"fas fa-check\"></i></button>&nbsp;<button type=\"button\" class=\"btn btn-danger\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"Eintrag löschen\" onclick=\"confirmDeleteEntry('"+row.Name+"',"+row.ID+")\"><i class=\"fas fa-trash\"></i></button>";
}
function getIdSelections() {
return $.map($("#entrytable").bootstrapTable('getSelections'), function (row) {
return row.ID
})
}
</script>
{% endblock %}