Add Android app wrapper around web interface

1 files changed, 111 insertions, 0 deletions

diff --git a/web-project/src/recording.py b/web-project/src/recording.py
new file mode 100644
index 0000000..2afd567
--- /dev/null
+++ b/web-project/src/recording.py
@@ -0,0 +1,111 @@
+from pathlib import Path
+from contextlib import contextmanager
+from asyncio import sleep
+from tempfile import TemporaryDirectory
+from datetime import date
+
+from nicegui import ui, run
+
+_recording = None
+
+@contextmanager
+def _disable(button: ui.button):
+    button.disable()
+    try:
+        yield
+    finally:
+        button.enable()
+
+async def _stopRecording(recordButton, uploadButton, recorder, wavFile):
+    with _disable(recordButton):
+        global _recording
+        _recording = recorder.stopRecording()
+        await run.cpu_bound(_recording.writeWav, wavFile)
+        uploadButton.enable()
+
+def _makeRecordCallback(playButton, recordButton, uploadButton, soloTool, recorder, wavFile):
+    async def f():
+        if recorder.recording:
+            await _stopRecording(recordButton, uploadButton, recorder, wavFile)
+        else:
+            if soloTool.playingAdHoc:
+                soloTool.backToNormal()
+            uploadButton.disable()
+            recorder.startRecording()
+            playButton.enable()
+    return f
+
+def _makePlayCallback(playButton, recordButton, uploadButton, soloTool, recorder, wavFile):
+    async def f():
+        with _disable(playButton):
+            if recorder.recording:
+                await _stopRecording(recordButton, uploadButton, recorder, wavFile)
+
+            if soloTool.playingAdHoc:
+                soloTool.backToNormal()
+            else:
+                soloTool.playAdHoc(wavFile)
+                soloTool.play()
+    return f
+
+def _makeUploadCallback(playButton, recordButton, uploadButton, tempDir, sessionManager):
+    async def f():
+        with ui.dialog() as dialog, ui.card():
+            fileName = ui.input(label='File name', value="jam.mp3")
+            with ui.row():
+                ui.button('Upload', color='positive', on_click=lambda: dialog.submit(fileName.value))
+                ui.button('Cancel', color='negative' ,on_click=lambda: dialog.submit(None))
+
+        fileName = await dialog
+        if fileName is None:
+            return
+
+        playButton.disable()
+        recordButton.disable()
+        uploadButton.disable()
+
+        def on_dismiss():
+            playButton.enable()
+            recordButton.enable()
+            uploadButton.enable()
+        n = ui.notification(timeout=None, position='bottom-right', type='ongoing', spinner=True, on_dismiss=on_dismiss, icon='check')
+
+        n.message = f'Converting to .mp3...'
+        mp3File = Path(tempDir.name) / fileName 
+        await run.cpu_bound(_recording.writeMp3, mp3File)
+
+        n.message = 'Uploading...'
+        folderName = date.today().isoformat()
+        try:
+            await run.io_bound(sessionManager.saveRecording, mp3File, f"{folderName}/{fileName}")
+        except:
+            n.spinner = False
+            n.icon = 'error'
+            n.message = 'Upload failed!'
+            n.close_button = 'Close'
+            return
+
+        n.spinner = False
+        n.message = 'Done!'
+        await sleep(2)
+        n.dismiss()
+    return f
+
+def recordingControls(soloTool, recorder, sessionManager):
+    tempDir = TemporaryDirectory(prefix="solotool-")
+    wavFile = Path(tempDir.name) / "st_recording.wav"
+
+    with ui.button_group().classes('').style('height: 40px'):
+        recordButton = ui.button(icon='fiber_manual_record', color='negative') \
+                .bind_icon_from(recorder, 'recording', lambda recording: 'radio_button_unchecked' if recording else 'fiber_manual_record')
+
+        playButton = ui.button(icon='hearing') \
+                .bind_icon_from(soloTool, 'playingAdHoc', lambda adHoc: 'close' if adHoc else 'hearing')
+        playButton.disable()
+
+        uploadButton = ui.button(icon='cloud_upload')
+        uploadButton.disable()
+
+        recordButton.on_click(_makeRecordCallback(playButton, recordButton, uploadButton, soloTool, recorder, wavFile))
+        playButton.on_click(_makePlayCallback(playButton, recordButton, uploadButton, soloTool, recorder, wavFile))
+        uploadButton.on_click(_makeUploadCallback(playButton, recordButton, uploadButton, tempDir, sessionManager))