From fd2e21ba46054857910c153d732bdf023fe84cf0 Mon Sep 17 00:00:00 2001
From: Keith Edmunds <kae@tiger-computing.co.uk>
Date: Tue, 23 Mar 2021 23:27:51 +0000
Subject: [PATCH] Cleanup; clead db dialog on no match

---
 app.py | 98 +++++-----------------------------------------------------
 1 file changed, 7 insertions(+), 91 deletions(-)

diff --git a/app.py b/app.py
index 2c3f36c..9357b18 100755
--- a/app.py
+++ b/app.py
@@ -2,7 +2,6 @@
 
 import sys
 
-from pydub import AudioSegment
 from PyQt5.QtCore import Qt
 from PyQt5.QtWidgets import QApplication, QDialog, QMainWindow
 from PyQt5.QtWidgets import QTableWidgetItem, QFileDialog, QListWidgetItem
@@ -41,90 +40,6 @@ class RepeatedTimer:
         self.is_running = False
 
 
-class Track:
-    def __init__(self, path):
-        self.path = path
-
-        audio = self.get_audio_segment(path)
-        self.start_gap = self.leading_silence(audio)
-        self.fade_at = self.fade_point(audio)
-        self.silence_at = self.trailing_silence(audio)
-
-        tag = TinyTag.get(path)
-        self.title = tag.title
-        self.artist = tag.artist
-        self.length = tag.duration * 1000
-
-        print(
-            f" path={self.path}"
-            f" length={self.length}"
-            f" start_gap={self.start_gap}"
-            f" fade_at={self.fade_at}"
-            f" silence_at={self.silence_at}"
-            f" title={self.title}"
-            f" artist={self.artist}"
-        )
-
-    def get_audio_segment(self, path):
-        try:
-            if path.endswith('.mp3'):
-                return AudioSegment.from_mp3(path)
-            elif path.endswith('.flac'):
-                return AudioSegment.from_file(path, "flac")
-        except AttributeError:
-            return None
-
-    def leading_silence(self, audio_segment, silence_threshold=-50.0,
-                        chunk_size=10):
-        """
-        Returns the millisecond/index that the leading silence ends.
-        audio_segment - the segment to find silence in
-        silence_threshold - the upper bound for how quiet is silent in dFBS
-        chunk_size - chunk size for interating over the segment in ms
-
-        https://github.com/jiaaro/pydub/blob/master/pydub/silence.py
-        """
-
-        trim_ms = 0  # ms
-        assert chunk_size > 0  # to avoid infinite loop
-        while (
-            audio_segment[trim_ms:trim_ms + chunk_size].dBFS <
-                silence_threshold and trim_ms < len(audio_segment)):
-            trim_ms += chunk_size
-
-        # if there is no end it should return the length of the segment
-        return min(trim_ms, len(audio_segment))
-
-    def fade_point(self, audio_segment, fade_threshold=-20.0, chunk_size=10):
-        """
-        Returns the millisecond/index of the point where the fade is down to
-        fade_threshold and doesn't get louder again.
-        audio_segment - the segment to find silence in
-        fade_threshold - the upper bound for how quiet is silent in dFBS
-        chunk_size - chunk size for interating over the segment in ms
-        """
-
-        assert chunk_size > 0  # to avoid infinite loop
-
-        segment_length = audio_segment.duration_seconds * 1000  # ms
-        trim_ms = segment_length - chunk_size
-        while (
-            audio_segment[trim_ms:trim_ms + chunk_size].dBFS < fade_threshold
-                and trim_ms > 0):
-            trim_ms -= chunk_size
-
-        # if there is no trailing silence, return lenght of track (it's less
-        # the chunk_size, but for chunk_size = 10ms, this may be ignored)
-        return int(trim_ms)
-
-    def trailing_silence(self, audio_segment, silence_threshold=-50.0,
-                         chunk_size=10):
-        return self.fade_point(audio_segment, silence_threshold, chunk_size)
-
-
-ROOT = "/home/kae/music/"
-
-
 def ms_to_mmss(ms, decimals=0):
     if not ms:
         return "-"
@@ -175,19 +90,20 @@ class Window(QMainWindow, Ui_MainWindow):
             row = self.playlist.currentRow()
             print(f"Play id={self.playlist.item(row, 0).text()}")
 
-        print("play selected")
-
     def selectFile(self):
         dlg = QFileDialog()
         dlg.setFileMode(QFileDialog.ExistingFile)
         dlg.setViewMode(QFileDialog.Detail)
+        ROOT = "/home/kae/music/"
         dlg.setDirectory(ROOT)
         dlg.setNameFilter("Music files (*.flac *.mp3)")
 
         if dlg.exec_():
-            for fname in dlg.selectedFiles():
-                track = Track(fname)
-                self.add_to_playlist(track)
+            pass
+            # TODO Add to database
+            # for fname in dlg.selectedFiles():
+            #     track = Track(fname)
+            #     self.add_to_playlist(track)
 
     def add_to_playlist(self, track):
         """
@@ -224,8 +140,8 @@ class DbDialog(QDialog):
     def chars_typed(self, s):
         if len(s) >= 3:
             matches = Tracks.search_titles(s)
+            self.ui.listWidget.clear()
             if matches:
-                self.ui.listWidget.clear()
                 for track in matches:
                     t = QListWidgetItem()
                     t.setText(