[Calibre] React to SEND_BOOK_METADATA opcode (#13920)

Fixes #12922.

plugins/calibre.koplugin/metadata.lua

@@ -134,12 +134,19 @@ end
 -- add a book to our books table
 function CalibreMetadata:addBook(book)
     -- prevent duplicate entries
+    if not self:updateBook(book) then
+        table.insert(self.books, #self.books + 1, slim(book))
+    end
+end
+
+-- update a book in our books table if exists
+function CalibreMetadata:updateBook(book)
     local _, index = self:getBookUuid(book.lpath)
     if index then
         self.books[index] = slim(book)
-    else
-        table.insert(self.books, #self.books + 1, slim(book))
+        return true
     end
+    return false
 end
 
 -- remove a book from our books table

plugins/calibre.koplugin/wireless.lua

@@ -430,6 +430,8 @@ function CalibreWireless:onReceiveJSON(data)
                 self:getBookCount(arg)
             elseif opcode == OPCODES.SEND_BOOK then
                 self:sendBook(arg)
+            elseif opcode == OPCODES.SEND_BOOK_METADATA then
+                self:sendBookMetadata(arg)
             elseif opcode == OPCODES.DELETE_BOOK then
                 self:deleteBook(arg)
             elseif opcode == OPCODES.GET_BOOK_FILE_SEGMENT then
@@ -707,6 +709,16 @@ function CalibreWireless:sendBook(arg)
     end
 end
 
+function CalibreWireless:sendBookMetadata(arg)
+    logger.dbg("SEND_BOOK_METADATA", arg)
+
+    CalibreMetadata:updateBook(arg.data)
+
+    if (arg.index + 1) == arg.count then
+        CalibreMetadata:saveBookList()
+    end
+end
+
 function CalibreWireless:deleteBook(arg)
     logger.dbg("DELETE_BOOK", arg)
     self:sendJsonData('OK', {})