feat: Add mapping to delete avante history via telescope.nvim (#2867)

lua/avante/history_selector.lua

@@ -69,13 +69,8 @@ function M.open(bufnr, cb)
         return
       end
       Path.history.delete(bufnr, item_id_to_delete) -- bufnr from M.open's scope
-      -- The native provider handles the UI flow; we just need to refresh.
-      M.open(bufnr, cb) -- Re-open the selector to refresh the list
-    end,
-    on_action_cancel = function()
-      -- If the user cancels the open/delete prompt, re-open the history selector.
-      M.open(bufnr, cb)
     end,
+    on_open = function() M.open(bufnr, cb) end,
   })
   current_selector:open()
 end

lua/avante/ui/selector/init.lua

@@ -14,7 +14,7 @@ local Utils = require("avante.utils")
 ---@field on_select fun(item_ids: string[] | nil)
 ---@field get_preview_content fun(item_id: string): (string, string) | nil
 ---@field on_delete_item fun(item_id: string): (nil) | nil
----@field on_action_cancel fun(): (nil) | nil
+---@field on_open fun(): (nil) | nil
 
 ---@class avante.ui.Selector
 ---@field provider avante.SelectorProvider
@@ -26,7 +26,7 @@ local Utils = require("avante.utils")
 ---@field selected_item_ids string[] | nil
 ---@field get_preview_content fun(item_id: string): (string, string) | nil
 ---@field on_delete_item fun(item_id: string): (nil) | nil
----@field on_action_cancel fun(): (nil) | nil
+---@field on_open fun(): (nil) | nil
 local Selector = {}
 Selector.__index = Selector
 
@@ -50,7 +50,7 @@ function Selector:new(opts)
   o.selected_item_ids = opts.selected_item_ids or {}
   o.get_preview_content = opts.get_preview_content
   o.on_delete_item = opts.on_delete_item
-  o.on_action_cancel = opts.on_action_cancel
+  o.on_open = opts.on_open
   return o
 end
 

lua/avante/ui/selector/providers/native.lua

@@ -27,16 +27,18 @@ function M.show(selector)
           local choice = input:lower()
           if choice == "d" or choice == "delete" then
             selector.on_delete_item(item.id)
+            -- The native provider handles the UI flow; we just need to refresh.
+            selector.on_open() -- Re-open the selector to refresh the list
           elseif choice == "" or choice == "o" or choice == "open" then
             selector.on_select({ item.id })
           elseif choice == "c" or choice == "cancel" then
-            if type(selector.on_action_cancel) == "function" then
-              selector.on_action_cancel()
+            if type(selector.on_open) == "function" then
+              selector.on_open()
             else
-              selector.on_select(nil) -- Fallback if on_action_cancel is not defined
+              selector.on_select(nil) -- Fallback if on_open is not defined
             end
           else -- c or any other input, treat as cancel
-            selector.on_select(nil) -- Fallback if on_action_cancel is not defined
+            selector.on_select(nil) -- Fallback if on_open is not defined
           end
         end
       )

lua/avante/ui/selector/providers/telescope.lua

@@ -61,6 +61,49 @@ function M.show(selector)
         }),
         attach_mappings = function(prompt_bufnr, map)
           map("i", "<esc>", require("telescope.actions").close)
+          map("i", "<c-del>", function()
+            local picker = action_state.get_current_picker(prompt_bufnr)
+
+            local selections
+            local multi_selection = picker:get_multi_selection()
+            if #multi_selection ~= 0 then
+              selections = multi_selection
+            else
+              selections = action_state.get_selected_entry()
+              selections = vim.islist(selections) and selections or { selections }
+            end
+
+            local selected_item_ids = vim
+              .iter(selections)
+              :map(function(selection) return selection.value end)
+              :totable()
+
+            vim.ui.input({ prompt = "Remove·selection?·(" .. #selected_item_ids .. " items) [y/N]" }, function(input)
+              if input and input:lower() == "y" then
+                for _, item_id in ipairs(selected_item_ids) do
+                  selector.on_delete_item(item_id)
+                end
+
+                local new_items = {}
+                for _, item in ipairs(items) do
+                  if not vim.list_contains(selected_item_ids, item.id) then table.insert(new_items, item) end
+                end
+
+                local new_finder = finders.new_table({
+                  results = new_items,
+                  entry_maker = function(entry)
+                    return {
+                      value = entry.id,
+                      display = entry.title,
+                      ordinal = entry.title,
+                    }
+                  end,
+                })
+
+                picker:refresh(new_finder, { reset_prompt = true })
+              end
+            end)
+          end, { desc = "delete_selection" })
           actions.select_default:replace(function()
             local picker = action_state.get_current_picker(prompt_bufnr)