swingmusic-extended/app/api/settings.py

from typing import Any
from flask import request
from flask_openapi3 import Tag
from flask_openapi3 import APIBlueprint
from pydantic import BaseModel, Field

from app.db.sqlite.plugins import PluginsMethods as pdb
from app.db.sqlite.settings import SettingsSQLMethods as sdb
from app.lib import populate
from app.lib.watchdogg import Watcher as WatchDog
from app.logger import log
from app.settings import Keys, Paths, SessionVarKeys, set_flag
from app.store.albums import AlbumStore
from app.store.artists import ArtistStore
from app.store.tracks import TrackStore
from app.utils.generators import get_random_str
from app.utils.threading import background

bp_tag = Tag(name="Settings", description="Customize stuff")
api = APIBlueprint("settings", __name__, url_prefix="/notsettings", abp_tags=[bp_tag])


def get_child_dirs(parent: str, children: list[str]):
    """Returns child directories in a list, given a parent directory"""

    return [_dir for _dir in children if _dir.startswith(parent) and _dir != parent]


def reload_everything(instance_key: str):
    """
    Reloads all stores using the current database items
    """
    try:
        TrackStore.load_all_tracks(instance_key)
    except Exception as e:
        log.error(e)

    try:
        AlbumStore.load_albums(instance_key=instance_key)
    except Exception as e:
        log.error(e)

    try:
        ArtistStore.load_artists(instance_key)
    except Exception as e:
        log.error(e)


@background
def rebuild_store(db_dirs: list[str]):
    """
    Restarts the watchdog and rebuilds the music library.
    """
    instance_key = get_random_str()

    log.info("Rebuilding library...")
    TrackStore.remove_tracks_by_dir_except(db_dirs)
    reload_everything(instance_key)

    try:
        populate.Populate(instance_key=instance_key)
    except populate.PopulateCancelledError as e:
        print(e)
        reload_everything(instance_key)
        return

    WatchDog().restart()

    log.info("Rebuilding library... ✅")


# I freaking don't know what this function does anymore 
def finalize(new_: list[str], removed_: list[str], db_dirs_: list[str]):
    """
    Params:
        new_: will be added to the database
        removed_: will be removed from the database
        db_dirs_: will be used to remove tracks that
        are outside these directories from the database and store.
    """
    sdb.remove_root_dirs(removed_)
    sdb.add_root_dirs(new_)
    rebuild_store(db_dirs_)


class AddRootDirsBody(BaseModel):
    new_dirs: list[str] = Field(
        description="The new directories to add",
        example=["/home/user/Music", "/home/user/Downloads"],
    )
    removed: list[str] = Field(
        description="The directories to remove",
        example=["/home/user/Downloads"],
    )


@api.post("/add-root-dirs")
def add_root_dirs(body: AddRootDirsBody):
    """
    Add custom root directories to the database.
    """
    new_dirs = body.new_dirs
    removed_dirs = body.removed

    db_dirs = sdb.get_root_dirs()
    _h = "$home"

    db_home = any([d == _h for d in db_dirs])  # if $home is in db
    incoming_home = any([d == _h for d in new_dirs])  # if $home is in incoming

    # handle $home case
    if db_home and incoming_home:
        return {"msg": "Not changed!"}

    if db_home or incoming_home:
        sdb.remove_root_dirs(db_dirs)

    if incoming_home:
        finalize([_h], [], [Paths.USER_HOME_DIR])
        return {"root_dirs": [_h]}

    # ---

    for _dir in new_dirs:
        children = get_child_dirs(_dir, db_dirs)
        removed_dirs.extend(children)

    for _dir in removed_dirs:
        try:
            db_dirs.remove(_dir)
        except ValueError:
            pass

    db_dirs.extend(new_dirs)
    db_dirs = [dir_ for dir_ in db_dirs if dir_ != _h]

    finalize(new_dirs, removed_dirs, db_dirs)

    return {"root_dirs": db_dirs}


@api.get("/get-root-dirs")
def get_root_dirs():
    """
    Get root directories
    """
    dirs = sdb.get_root_dirs()

    return {"dirs": dirs}


# maps settings to their parser flags
mapp = {
    "artist_separators": SessionVarKeys.ARTIST_SEPARATORS,
    "extract_feat": SessionVarKeys.EXTRACT_FEAT,
    "remove_prod": SessionVarKeys.REMOVE_PROD,
    "clean_album_title": SessionVarKeys.CLEAN_ALBUM_TITLE,
    "remove_remaster": SessionVarKeys.REMOVE_REMASTER_FROM_TRACK,
    "merge_albums": SessionVarKeys.MERGE_ALBUM_VERSIONS,
    "show_albums_as_singles": SessionVarKeys.SHOW_ALBUMS_AS_SINGLES,
}


@api.get("")
def get_all_settings():
    """
    Get all settings
    """

    settings = sdb.get_all_settings()
    plugins = pdb.get_all_plugins()

    key_list = list(mapp.keys())
    s = {}

    for key in key_list:
        val_index = key_list.index(key)

        try:
            s[key] = settings[val_index]

            if type(s[key]) == int:
                s[key] = bool(s[key])
            if type(s[key]) == str:
                s[key] = str(s[key]).split(",")

        except IndexError:
            s[key] = None

    root_dirs = sdb.get_root_dirs()
    s["root_dirs"] = root_dirs
    s["plugins"] = plugins
    s["version"] = Keys.SWINGMUSIC_APP_VERSION

    return {
        "settings": s,
    }


@background
def reload_all_for_set_setting():
    reload_everything(get_random_str())


class SetSettingBody(BaseModel):
    key: str = Field(
        description="The setting key",
        example="artist_separators",
    )
    value: Any = Field(
        description="The setting value",
        example=",",
    )


@api.post("/set")
def set_setting(body: SetSettingBody):
    """
    Set a setting.
    """
    key = body.key
    value = body.value

    if key is None or value is None or key == "root_dirs":
        return {"msg": "Invalid arguments!"}, 400

    root_dir = sdb.get_root_dirs()

    if not root_dir:
        return {"msg": "No root directories set!"}, 400

    if key not in mapp:
        return {"msg": "Invalid key!"}, 400

    sdb.set_setting(key, value)

    flag = mapp[key]

    if key == "artist_separators":
        value = str(value).split(",")
        value = set(value)

    set_flag(flag, value)
    reload_all_for_set_setting()

    # if value is a set, convert it to a string
    # (artist_separators)
    if type(value) == set:
        value = ",".join(value)

    return {"result": value}


@background
def run_populate():
    populate.Populate(instance_key=get_random_str())


@api.get("/trigger-scan")
def trigger_scan():
    """
    Triggers scan for new music
    """
    run_populate()

    return {"msg": "Scan triggered!"}