Add configurable auto-conversion on upload

cps/admin.py

@@ -1772,6 +1772,7 @@ def _configuration_update_helper():
         reboot_required |= _config_checkbox_int(to_save, "config_kobo_sync")
         _config_int(to_save, "config_external_port")
         _config_checkbox_int(to_save, "config_kobo_proxy")
+        _config_string(to_save, "config_auto_convert_to_format")
 
         if "config_upload_formats" in to_save:
             to_save["config_upload_formats"] = ','.join(

cps/config_sql.py

@@ -144,6 +144,7 @@ class _Settings(_Base):
     config_binariesdir = Column(String, default=None)
     config_calibre = Column(String)
     config_rarfile_location = Column(String, default=None)
+    config_auto_convert_to_format = Column(String, default=None)
     config_upload_formats = Column(String, default=','.join(constants.EXTENSIONS_UPLOAD))
     config_unicode_filename = Column(Boolean, default=False)
     config_embed_metadata = Column(Boolean, default=True)

cps/editbooks.py

@@ -305,6 +305,24 @@ def upload():
                 WorkerThread.add(current_user.name, TaskUpload(upload_text, escape(title)))
                 helper.add_book_to_thumbnail_cache(book_id)
 
+                book_format_from = meta.extension.upper()[1:]
+                if (
+                    config.config_auto_convert_to_format and
+                    config.config_auto_convert_to_format.upper() != meta.extension.lower()
+                   ):
+                    book_format_to = config.config_auto_convert_to_format.upper()
+                    rtn = helper.convert_book_format(book_id,
+                                                     config.get_book_path(),
+                                                     book_format_from,
+                                                     book_format_to,
+                                                     current_user.name)
+                    if rtn is None:
+                        flash(_("Book successfully queued for converting to %(book_format)s",
+                                book_format=book_format_to),
+                              category="success")
+                    else:
+                        flash(_("There was an error converting this book: %(res)s", res=rtn), category="error")
+
                 if len(request.files.getlist("btn-upload")) < 2:
                     if current_user.role_edit() or current_user.role_admin():
                         resp = {"location": url_for('edit-book.show_edit_book', book_id=book_id)}

cps/templates/config_edit.html

@@ -111,6 +111,14 @@
         <input type="checkbox" id="config_uploading" data-control="upload_settings" name="config_uploading" {% if config.config_uploading %}checked{% endif %}>
         <label for="config_uploading">{{_('Enable Uploads')}} {{_('(Please ensure that users also have upload permissions)')}}</label>
     </div>
+    <div class="form-group">
+      <label for="config_auto_convert_to_format">{{_('Automatically convert ebooks to format (leave blank to disable)')}}</label>
+      <select name="config_auto_convert_to_format" id="config_auto_convert_to_format" class="form-control">
+        {% for format in config.config_upload_formats.split(",") %}
+          <option value="{{ format }}"{% if config.config_auto_convert_to_format.lower() == format.lower() %} selected{% endif %}>{{ format }}</option>
+        {% endfor %}
+      </select>
+    </div>
     <div data-related="upload_settings">
       <div class="form-group">
         <label for="config_upload_formats">{{_('Allowed Upload Fileformats')}}</label>