feat: pasting image within buffer (#331)

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

lua/avante/providers/claude.lua

@@ -39,22 +39,22 @@ M.parse_message = function(opts)
     table.insert(message_content, selected_code_obj)
   end
 
-  table.insert(message_content, {
-    type = "text",
-    text = string.format("<question>%s</question>", opts.question),
-  })
-
-  if Config.behaviour.support_paste_from_clipboard and Clipboard.has_content() then
+  if Clipboard.support_paste_image() and opts.image_path then
     table.insert(message_content, {
       type = "image",
       source = {
         type = "base64",
         media_type = "image/png",
-        data = Clipboard.get_base64_content(),
+        data = Clipboard.get_base64_content(opts.image_path),
       },
     })
   end
 
+  table.insert(message_content, {
+    type = "text",
+    text = string.format("<question>%s</question>", opts.question),
+  })
+
   local user_prompt = opts.base_prompt
 
   local user_prompt_obj = {

lua/avante/providers/init.lua

@@ -12,6 +12,7 @@ local Dressing = require("avante.ui.dressing")
 ---@field base_prompt AvanteBasePrompt
 ---@field system_prompt AvanteSystemPrompt
 ---@field question string
+---@field image_path? string
 ---@field code_lang string
 ---@field code_content string
 ---@field selected_code_content? string

lua/avante/providers/openai.lua

@@ -63,12 +63,12 @@ end
 M.parse_message = function(opts)
   ---@type string | OpenAIMessage[]
   local user_content
-  if Config.behaviour.support_paste_from_clipboard and Clipboard.has_content() then
+  if Config.behaviour.support_paste_from_clipboard and opts.image_path then
     user_content = {}
     table.insert(user_content, {
       type = "image_url",
       image_url = {
-        url = "data:image/png;base64," .. Clipboard.get_base64_content(),
+        url = "data:image/png;base64," .. Clipboard.get_base64_content(opts.image_path),
       },
     })
     table.insert(user_content, { type = "text", text = M.get_user_message(opts) })