Handle upload errors

TODO.md

@@ -57,6 +57,7 @@
   - Quote links color in room subtitles (e.g. "> http://foo.orgA)" )
 
 - UI
+  - Standardize usage of punctuation
   - Way to open context menus without a right mouse button
   - `smartVerticalFlick()` gradual acceleration
 
@@ -184,6 +185,7 @@
   - Live-reloading accounts.json
 
 - nio
+  - Dedicated error for invalid password on key import
   - Running blocking DB function calls in executor
   - `AsyncClient.share_group_session`: send device batches concurrently
 

src/python/matrix_client.py

@@ -220,9 +220,15 @@ class MatrixClient(nio.AsyncClient):
         upload_item = Upload(path, total_size=size)
         self.models[Upload, room_id][upload_item.uuid] = upload_item
 
+        try:
             url, mime, crypt_dict = await self.upload(
                 path, filename=path.name, encrypt=encrypt,
             )
+        except MatrixError as err:
+            upload_item.status     = UploadStatus.Error
+            upload_item.error      = type(err)
+            upload_item.error_args = err.args
+            return
 
         upload_item.status = UploadStatus.Caching
         await Media.from_existing_file(self.backend.media_cache, url, path)
@@ -269,19 +275,24 @@ class MatrixClient(nio.AsyncClient):
             else:
                 upload_item.status = UploadStatus.UploadingThumbnail
 
+                try:
                     thumb_url, _, thumb_crypt_dict = await self.upload(
                         thumb_data,
-                    filename = f"{path.stem}_sample{''.join(path.suffixes)}",
+                        filename =
+                            f"{path.stem}_sample{''.join(path.suffixes)}",
                         encrypt  = encrypt,
                     )
-
+                except MatrixError as err:
+                    log.warning(f"Failed uploading thumbnail {path}: {err}")
+                else:
                     upload_item.status = UploadStatus.CachingThumbnail
 
                     await Thumbnail.from_bytes(
                         self.backend.media_cache,
                         thumb_url,
                         thumb_data,
-                    wanted_size = (content["info"]["w"], content["info"]["h"]),
+                        wanted_size = (content["info"]["w"],
+                                       content["info"]["h"]),
                     )
 
                     if encrypt:

src/python/models/items.py

@@ -2,7 +2,7 @@ import re
 from dataclasses import dataclass, field
 from datetime import datetime
 from pathlib import Path
-from typing import Any, Dict, List, Optional, Type
+from typing import Any, Dict, List, Optional, Tuple, Type, Union
 from uuid import uuid4
 
 import lxml  # nosec
@@ -13,6 +13,8 @@ from ..html_filter import HTML_FILTER
 from ..utils import AutoStrEnum, auto
 from .model_item import ModelItem
 
+OptionalExceptionType = Union[Type[None], Type[Exception]]
+
 
 @dataclass
 class Account(ModelItem):
@@ -106,7 +108,7 @@ class UploadStatus(AutoStrEnum):
     Caching            = auto()
     UploadingThumbnail = auto()
     CachingThumbnail   = auto()
-    Failure            = auto()
+    Error              = auto()
 
 
 @dataclass
@@ -115,6 +117,8 @@ class Upload(ModelItem):
     status:     UploadStatus          = UploadStatus.Uploading
     total_size: int                   = 0
     uploaded:   int                   = 0
+    error:      OptionalExceptionType = type(None)
+    error_args: Tuple[Any, ...]       = ()
 
     uuid:       str = field(init=False, default_factory=lambda: str(uuid4()))
     start_date: datetime = field(init=False, default_factory=datetime.now)

src/qml/Chat/UploadsBar.qml

@@ -39,6 +39,10 @@ Rectangle {
                 HLabel {
                     id: filenameLabel
                     elide: Text.ElideRight
+
+                    color: model.status === "Error" ?
+                           theme.colors.errorText : theme.colors.text
+
                     text:
                         model.status === "Uploading" ?
                         qsTr("Uploading %1...").arg(fileName) :
@@ -47,13 +51,25 @@ Rectangle {
                         qsTr("Caching %1...").arg(fileName) :
 
                         model.status === "UploadingThumbnail" ?
-                        qsTr("Uploading %1 thumbnail...").arg(fileName) :
+                        qsTr("Uploading thumbnail for %1...").arg(fileName) :
 
                         model.status === "CachingThumbnail" ?
-                        qsTr("Caching %1 thumbnail...").arg(fileName) :
+                        qsTr("Caching thumbnail for %1...").arg(fileName) :
 
-                        model.status === "Failure" ?
+                        model.status === "Error" ? (
-                        qsTr("Uploading %1 failed").arg(fileName) :
+                            model.error === "MatrixForbidden" ?
+                            qsTr("Forbidden file type or quota exceeded: %1")
+                            .arg(fileName) :
+
+                            model.error === "MatrixTooLarge" ?
+                            qsTr("Too large for this server: %1")
+                            .arg(fileName) :
+
+                            qsTr("Unknown error for %1: %2 - %3")
+                            .arg(fileName)
+                            .arg(model.error)
+                            .arg(model.error_args)
+                        ) :
 
                         qsTr("Invalid status for %1: %2")
                         .arg(fileName).arg(model.status)
@@ -91,8 +107,18 @@ Rectangle {
 
             HProgressBar {
                 id: progressBar
+                visible: Layout.maximumHeight !== 0
                 indeterminate: true
+                foregroundColor:
+                    model.status === "Error" ?
+                    theme.controls.progressBar.errorForeground :
+                    theme.controls.progressBar.foreground
+
                 Layout.fillWidth: true
+                Layout.maximumHeight:
+                    model.status === "Error" && indeterminate ? 0 : -1
+
+                Behavior on Layout.maximumHeight { HNumberAnimation {} }
             }
         }
     }

src/themes/Default.qpl

@@ -186,11 +186,13 @@ controls:
         int height:            Math.max(2, spacing / 2)
         color background:      colors.inputBackground
         color foreground:      colors.accentBackground
+        color errorForeground: colors.negativeBackground
 
     circleProgressBar:
         int thickness:          Math.max(2, spacing / 2)
         color background:       colors.inputBackground
         color foreground:       colors.accentBackground
+        color errorForeground:  colors.negativeBackground
         color text:             colors.text
         real indeterminateSpan: 0.5  // 0-1