feat: automatically obtain diagnostics after finishing editing the file (#2018)

lua/avante/llm_tools/get_diagnostics.lua

@@ -0,0 +1,51 @@
+local Base = require("avante.llm_tools.base")
+local Helpers = require("avante.llm_tools.helpers")
+local Utils = require("avante.utils")
+
+---@class AvanteLLMTool
+local M = setmetatable({}, Base)
+
+M.name = "get_diagnostics"
+
+M.description = "Get diagnostics from a specific file"
+
+---@type AvanteLLMToolParam
+M.param = {
+  type = "table",
+  fields = {
+    {
+      name = "path",
+      description = "The path to the file in the current project scope",
+      type = "string",
+    },
+  },
+}
+
+---@type AvanteLLMToolReturn[]
+M.returns = {
+  {
+    name = "diagnostics",
+    description = "The diagnostics for the file",
+    type = "string",
+  },
+  {
+    name = "error",
+    description = "Error message if the replacement failed",
+    type = "string",
+    optional = true,
+  },
+}
+
+---@type AvanteLLMToolFunc<{ path: string, diff: string }>
+function M.func(opts, on_log, on_complete, session_ctx)
+  if not opts.path then return false, "pathf are required" end
+  if on_log then on_log("path: " .. opts.path) end
+  local abs_path = Helpers.get_abs_path(opts.path)
+  if not Helpers.has_permission_to_access(abs_path) then return false, "No permission to access path: " .. abs_path end
+  if not on_complete then return false, "on_complete is required" end
+  local diagnostics = Utils.lsp.get_diagnostics_from_filepath(abs_path)
+  local jsn_str = vim.json.encode(diagnostics)
+  on_complete(true, jsn_str)
+end
+
+return M