Add download conversation

securedrop_client/api_jobs/sync.py

@@ -5,6 +5,7 @@
 from sdclientapi import User as SDKUser
 from sqlalchemy.orm.session import Session
 
+from securedrop_client import state
 from securedrop_client.api_jobs.base import ApiJob
 from securedrop_client.db import DeletedUser, DraftReply, User
 from securedrop_client.storage import get_remote_data, update_local_storage
@@ -19,9 +20,10 @@ class MetadataSyncJob(ApiJob):
 
     NUMBER_OF_TIMES_TO_RETRY_AN_API_CALL = 2
 
-    def __init__(self, data_dir: str) -> None:
+    def __init__(self, data_dir: str, app_state: Optional[state.State] = None) -> None:
         super().__init__(remaining_attempts=self.NUMBER_OF_TIMES_TO_RETRY_AN_API_CALL)
         self.data_dir = data_dir
+        self._state = app_state
 
     def call_api(self, api_client: API, session: Session) -> Any:
         """
@@ -43,6 +45,8 @@ def call_api(self, api_client: API, session: Session) -> Any:
         MetadataSyncJob._update_users(session, users)
         sources, submissions, replies = get_remote_data(api_client)
         update_local_storage(session, sources, submissions, replies, self.data_dir)
+        if self._state is not None:
+            _update_state(self._state, submissions)
 
     def _update_users(session: Session, remote_users: List[SDKUser]) -> None:
         """
@@ -122,3 +126,14 @@ def _update_users(session: Session, remote_users: List[SDKUser]) -> None:
             logger.debug(f"Deleting account for user with uuid='{uuid}'")
 
         session.commit()
+
+
+def _update_state(
+    app_state: state.State,
+    submissions: List,
+) -> None:
+    for submission in submissions:
+        if submission.is_file():
+            app_state.add_file(
+                state.ConversationId(submission.source_uuid), state.FileId(submission.uuid)
+            )

securedrop_client/app.py

@@ -33,7 +33,8 @@
 from PyQt5.QtCore import Qt, QTimer
 from PyQt5.QtWidgets import QApplication, QMessageBox
 
-from securedrop_client import __version__
+from securedrop_client import __version__, state
+from securedrop_client.database import Database
 from securedrop_client.db import make_session_maker
 from securedrop_client.gui.main import Window
 from securedrop_client.logic import Controller
@@ -215,13 +216,17 @@ def start_app(args, qt_args) -> NoReturn:  # type: ignore [no-untyped-def]
 
     session_maker = make_session_maker(args.sdc_home)
 
-    gui = Window()
+    session = session_maker()
+    database = Database(session)
+    app_state = state.State(database)
+    gui = Window(app_state)
 
     controller = Controller(
         "http://localhost:8081/",
         gui,
         session_maker,
         args.sdc_home,
+        app_state,
         not args.no_proxy,
         not args.no_qubes,
     )

securedrop_client/database.py

@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: AGPL-3.0-or-later
+# Copyright © 2022 The Freedom of the Press Foundation.
+from typing import List
+
+from sqlalchemy.orm.session import Session
+
+from securedrop_client.db import File
+from securedrop_client.storage import get_local_files
+
+
+class Database:
+    """Provide an interface to the database while abstracting session details."""
+
+    def __init__(self, session: Session):
+        super().__init__()
+        self.session = session
+
+    def get_files(self) -> List[File]:
+        return get_local_files(self.session)

securedrop_client/gui/main.py

@@ -27,7 +27,7 @@
 from PyQt5.QtGui import QGuiApplication, QIcon, QKeySequence
 from PyQt5.QtWidgets import QAction, QApplication, QHBoxLayout, QMainWindow, QVBoxLayout, QWidget
 
-from securedrop_client import __version__
+from securedrop_client import __version__, state
 from securedrop_client.db import Source, User
 from securedrop_client.gui.auth import LoginDialog
 from securedrop_client.gui.widgets import LeftPane, MainView, TopPane
@@ -45,7 +45,7 @@ class Window(QMainWindow):
 
     icon = "icon.png"
 
-    def __init__(self) -> None:
+    def __init__(self, app_state: Optional[state.State] = None) -> None:
         """
         Create the default start state. The window contains a root widget into
         which is placed:
@@ -73,7 +73,7 @@ def __init__(self) -> None:
         layout.setSpacing(0)
         self.main_pane.setLayout(layout)
         self.left_pane = LeftPane()
-        self.main_view = MainView(self.main_pane)
+        self.main_view = MainView(self.main_pane, app_state)
         layout.addWidget(self.left_pane)
         layout.addWidget(self.main_view)