Download & inline display images

1 files changed, 74 insertions, 0 deletions

diff --git a/libdino/src/service/file_manager.vala b/libdino/src/service/file_manager.vala
new file mode 100644
index 00000000..b165039f
--- /dev/null
+++ b/libdino/src/service/file_manager.vala
@@ -0,0 +1,74 @@
+using Gdk;
+using Gee;
+
+using Xmpp;
+using Dino.Entities;
+
+namespace Dino {
+
+public class FileManager : StreamInteractionModule, Object {
+    public static ModuleIdentity<FileManager> IDENTITY = new ModuleIdentity<FileManager>("file");
+    public string id { get { return IDENTITY.id; } }
+
+    public signal void received_file(FileTransfer file_transfer);
+
+    private StreamInteractor stream_interactor;
+    private Database db;
+    private Gee.List<FileTransfer> file_transfers = new ArrayList<FileTransfer>();
+
+    public static void start(StreamInteractor stream_interactor, Database db) {
+        FileManager m = new FileManager(stream_interactor, db);
+        stream_interactor.add_module(m);
+    }
+
+    public static string get_storage_dir() {
+        return Path.build_filename(Dino.get_storage_dir(), "files");
+    }
+
+    private FileManager(StreamInteractor stream_interactor, Database db) {
+        this.stream_interactor = stream_interactor;
+        this.db = db;
+        DirUtils.create_with_parents(get_storage_dir(), 0700);
+    }
+
+    public void add_provider(Plugins.FileProvider file_provider) {
+        file_provider.file_incoming.connect((file_transfer) => {
+            file_transfers.add(file_transfer);
+            string filename = Random.next_int().to_string("%x") + "_" + file_transfer.file_name;
+            file_transfer.file_name = filename;
+            File file = File.new_for_path(Path.build_filename(get_storage_dir(), filename));
+            try {
+                OutputStream os = file.create(FileCreateFlags.REPLACE_DESTINATION);
+                os.splice(file_transfer.input_stream, 0);
+                os.close();
+                file_transfer.state = FileTransfer.State.COMPLETE;
+            } catch (Error e) {
+                file_transfer.state = FileTransfer.State.FAILED;
+            }
+            file_transfer.persist(db);
+            file_transfer.input_stream = file.read();
+            received_file(file_transfer);
+        });
+    }
+
+    public Gee.List<FileTransfer> get_file_transfers(Account account, Jid counterpart, DateTime after, DateTime before) {
+        Qlite.QueryBuilder select = db.file_transfer.select()
+                .with(db.file_transfer.counterpart_id, "=", db.get_jid_id(counterpart))
+                .with(db.file_transfer.account_id, "=", account.id)
+                .with(db.file_transfer.local_time, ">", (long)after.to_unix())
+                .with(db.file_transfer.local_time, "<", (long)before.to_unix())
+                .order_by(db.file_transfer.id, "DESC");
+
+        Gee.List<FileTransfer> ret = new ArrayList<FileTransfer>();
+        foreach (Qlite.Row row in select) {
+            FileTransfer file_transfer = new FileTransfer.from_row(db, row);
+            File file = File.new_for_path(Path.build_filename(get_storage_dir(), file_transfer.file_name));
+            file_transfer.input_stream = file.read();
+            ret.insert(0, file_transfer);
+        }
+        return ret;
+    }
+
+}
+
+}