From 7fa997d443e963f36f45d6e83b1064facdbca8d2 Mon Sep 17 00:00:00 2001
From: ycc <yves.cc@laposte.net>
Date: Sat, 6 Apr 2024 12:55:27 +0200
Subject: [PATCH] message preview in progress

---
 client/helpers/storageHelper.go | 15 +++++++++++++++
 client/messagestorage.go        | 19 +++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 client/helpers/storageHelper.go

diff --git a/client/helpers/storageHelper.go b/client/helpers/storageHelper.go
new file mode 100644
index 0000000..ebadade
--- /dev/null
+++ b/client/helpers/storageHelper.go
@@ -0,0 +1,15 @@
+package helpers
+
+import (
+	"forge.redroom.link/yves/meowlib/client"
+)
+
+func LoadMessagesHistory(peer_id int) ([]client.InternalUserMessage, string, error) {
+	id := client.GetConfig().GetIdentity()
+	peer := id.Peers[peer_id]
+	msgs, err := peer.LoadMessagesHistory(0, 0, 50)
+	if err != nil {
+		return nil, "LoadLastMessages: LoadMessagesHistory", err
+	}
+	return msgs, "", nil
+}
diff --git a/client/messagestorage.go b/client/messagestorage.go
index 640f426..b62ce20 100644
--- a/client/messagestorage.go
+++ b/client/messagestorage.go
@@ -224,6 +224,25 @@ func GetMessagesHistory(peer *Peer, inAppMsgCount int, lastDbId int, wantMore in
 	return messages, nil
 }
 
+// make an image from the files content (loads the first image, or build a more complex view)
+func MessagePreview(msg *InternalUserMessage, password string) ([]byte, error) {
+	// get the hidden file name
+	if len(msg.FilePaths) == 0 {
+		return nil, nil
+	}
+	// get the hidden file
+	encData, err := os.ReadFile(msg.FilePaths[0])
+	if err != nil {
+		return nil, err
+	}
+	// decrypt the file
+	data, err := meowlib.SymDecrypt(password, encData)
+	if err != nil {
+		return nil, err
+	}
+	return data, nil
+}
+
 func getMessageCount(dbid string) (int, error) {
 	db, _ := sql.Open("sqlite3", filepath.Join(GetConfig().StoragePath, GetConfig().GetIdentity().Uuid, dbid+GetConfig().DbSuffix)) // Open the created SQLite File
 	defer db.Close()