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SpotifyRecAlg/swingmusic/models/mix.py
T
Tomas Dvorak 6e8fedf534 first commit
2026-04-13 17:46:58 +02:00

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Python

import time
from dataclasses import asdict, dataclass, field
from typing import Any
from swingmusic.db.utils import row_to_dict
from swingmusic.serializers.track import serialize_tracks
from swingmusic.store.tracks import TrackStore
from swingmusic.utils.dates import seconds_to_time_string, timestamp_to_time_passed
from swingmusic.utils.hashing import create_hash
@dataclass
class Mix:
id: str
title: str
description: str
tracks: list[str]
sourcehash: str
userid: int
"""
A hash of the tracks used to generate the mix.
"""
timestamp: int = field(default_factory=lambda: int(time.time()))
extra: dict = field(default_factory=dict)
saved: bool = False
def to_full_dict(self):
tracks = TrackStore.get_tracks_by_trackhashes(self.tracks)[:40]
serialized_tracks = serialize_tracks(tracks)
_dict = asdict(self)
_dict["tracks"] = serialized_tracks
# if not self.extra.get("image"):
# _dict["images"] = get_first_4_images(tracks)
_dict["duration"] = seconds_to_time_string(sum(t.duration for t in tracks))
_dict["trackcount"] = len(tracks)
del _dict["extra"]["albums"]
del _dict["extra"]["artists"]
return _dict
def to_dict(self, convert_timestamp: bool = False):
item = asdict(self)
item["trackshash"] = create_hash(*self.tracks[:40])
item["type"] = "mix"
if convert_timestamp:
item["time"] = timestamp_to_time_passed(item["timestamp"])
del item["tracks"]
del item["extra"]["albums"]
del item["extra"]["artists"]
return item
@classmethod
def mix_to_dataclass(cls, entry: Any):
entry_dict = row_to_dict(entry)
entry_dict["id"] = entry_dict["mixid"]
del entry_dict["mixid"]
return Mix(**entry_dict)
@classmethod
def mixes_to_dataclasses(cls, entries: Any):
return [cls.mix_to_dataclass(entry) for entry in entries]