refactor(sidebar): move handle_submit() from create_input_container

handle_submit() is not directly related to the input container, and may
be called from other places. Make it a method of Sidebar class and
adjust the callers.

lua/avante/sidebar.lua

@@ -867,7 +867,7 @@ end
 function Sidebar:retry_user_request()
   local block = self:get_current_user_request_block()
   if not block then return end
-  self.handle_submit(block.content)
+  self:handle_submit(block.content)
 end
 
 function Sidebar:handle_expand_message(message_uuid, expanded)
@@ -2623,27 +2623,15 @@ function Sidebar:get_generate_prompts_options(request, cb)
   if cb then cb(prompts_opts) end
 end
 
-function Sidebar:initialize_token_count()
-  if Config.behaviour.enable_token_counting then self:get_generate_prompts_options("") end
-end
-
-function Sidebar:create_input_container()
-  if self.containers.input then self.containers.input:unmount() end
-
-  if not self.code.bufnr or not api.nvim_buf_is_valid(self.code.bufnr) then return end
-
-  if self.chat_history == nil then self:reload_chat_history() end
-
 ---@param request string
-  local function handle_submit(request)
+function Sidebar:handle_submit(request)
   if Config.prompt_logger.enabled then PromptLogger.log_prompt(request) end
 
   if self.is_generating then
-      self:add_history_messages({
-        History.Message:new("user", request),
-      })
+    self:add_history_messages({ History.Message:new("user", request) })
     return
   end
+
   if request:match("@codebase") and not vim.fn.expand("%:e") then
     self:update_content("Please open a file first before using @codebase", { focus = false, scroll = false })
     return
@@ -2683,14 +2671,12 @@ function Sidebar:create_input_container()
   local selected_filepaths = self.file_selector:get_selected_filepaths()
 
   ---@type AvanteSelectedCode | nil
-    local selected_code = nil
-    if self.code.selection ~= nil then
-      selected_code = {
+  local selected_code = self.code.selection
+    and {
       path = self.code.selection.filepath,
       file_type = self.code.selection.filetype,
       content = self.code.selection.content,
     }
-    end
 
   --- HACK: we need to set focus to true and scroll to false to
   --- prevent the cursor from jumping to the bottom of the
@@ -2797,9 +2783,7 @@ function Sidebar:create_input_container()
     })
 
     vim.defer_fn(function()
-        if
-          Utils.is_valid_container(self.containers.result, true) and Config.behaviour.jump_result_buffer_on_finish
-        then
+      if Utils.is_valid_container(self.containers.result, true) and Config.behaviour.jump_result_buffer_on_finish then
         api.nvim_set_current_win(self.containers.result.winid)
       end
       if Config.behaviour.auto_apply_diff_after_generation then self:apply(false) end
@@ -2878,6 +2862,17 @@ function Sidebar:create_input_container()
   end)
 end
 
+function Sidebar:initialize_token_count()
+  if Config.behaviour.enable_token_counting then self:get_generate_prompts_options("") end
+end
+
+function Sidebar:create_input_container()
+  if self.containers.input then self.containers.input:unmount() end
+
+  if not self.code.bufnr or not api.nvim_buf_is_valid(self.code.bufnr) then return end
+
+  if self.chat_history == nil then self:reload_chat_history() end
+
   local function get_position()
     if self:get_layout() == "vertical" then return "bottom" end
     return "right"
@@ -2922,11 +2917,9 @@ function Sidebar:create_input_container()
     if request == "" then return end
     api.nvim_buf_set_lines(self.containers.input.bufnr, 0, -1, false, {})
     api.nvim_win_set_cursor(self.containers.input.winid, { 1, 0 })
-    handle_submit(request)
+    self:handle_submit(request)
   end
 
-  self.handle_submit = handle_submit
-
   self.containers.input:mount()
   PromptLogger.init()
 
@@ -3058,14 +3051,6 @@ function Sidebar:create_input_container()
       end
     end,
   })
-
-  api.nvim_create_autocmd("User", {
-    group = self.augroup,
-    pattern = "AvanteInputSubmitted",
-    callback = function(ev)
-      if ev.data and ev.data.request then handle_submit(ev.data.request) end
-    end,
-  })
 end
 
 -- FIXME: this is used by external plugin users
@@ -3227,6 +3212,14 @@ function Sidebar:render(opts)
     self:update_content_with_history()
   end
 
+  api.nvim_create_autocmd("User", {
+    group = self.augroup,
+    pattern = "AvanteInputSubmitted",
+    callback = function(ev)
+      if ev.data and ev.data.request then self:handle_submit(ev.data.request) end
+    end,
+  })
+
   return self
 end