feat(telescope): #7 delete session files

README.md

@@ -281,7 +281,8 @@ The plugin comes with a number of commands:
 The Telescope extension may be opened via `:Telescope persisted`.
 
 Once opened, the available keymaps are:
-* `<CR>` - Source the selected session file
+* `<CR>` - Source the session file
+* `<C-d>` - Delete the session file
 
 ### Lazy loading
 

lua/telescope/_extensions/actions.lua

@@ -1,4 +1,5 @@
 local actions_state = require("telescope.actions.state")
+local transform_mod = require("telescope.actions.mt").transform_mod
 
 local M = {}
 
@@ -11,7 +12,15 @@ end
 ---Delete the selected session from disk
 --@return string
 M.delete_session = function()
-  print(get_selected_session().file_path)
+  -- local session = get_selected_session().file_path
+  local session = get_selected_session()
+  local path = session.file_path
+
+  local confirm = vim.fn.input("Delete " .. session.name .. "? ", "yes"):lower()
+  if confirm == "yes" or confirm == "y" then
+    os.remove(path)
+    print("Session deleted: " .. path)
+  end
 end
 
-return M
+return transform_mod(M)

lua/telescope/_extensions/finders.lua

@@ -0,0 +1,56 @@
+local finders = require("telescope.finders")
+local conf = require("telescope.config").values
+local entry_display = require("telescope.pickers.entry_display")
+
+local M = {}
+
+M.session_finder = function(sessions)
+  -- Layout borrowed from:
+  ---https://github.com/LinArcX/telescope-env.nvim/blob/master/lua/telescope/_extensions/env.lua
+  local cols = vim.o.columns
+  local telescope_width = conf.width
+    or conf.layout_config.width
+    or conf.layout_config[conf.layout_strategy].width
+    or cols
+
+  if type(telescope_width) == "function" then
+    telescope_width = telescope_width(_, cols, _)
+  end
+
+  if telescope_width < 1 then
+    telescope_width = math.floor(cols * telescope_width)
+  end
+
+  local branch_width = 30
+  local name_width = math.floor(cols * 0.05)
+
+  local displayer = entry_display.create({
+    separator = " │ ",
+    items = {
+      { width = telescope_width - branch_width - name_width },
+      { width = branch_width },
+      { remaining = true },
+    },
+  })
+  local make_display = function(session)
+    return displayer({
+      session.name,
+      session.branch,
+    })
+  end
+
+  return finders.new_table({
+    results = sessions,
+    entry_maker = function(session)
+      session.ordinal = session.name
+      session.display = make_display
+      session.name = session.name
+      session.branch = session.branch
+      session.file_path = session.file_path
+
+      return session
+    end,
+  })
+end
+
+return M

lua/telescope/_extensions/persisted.lua

@@ -1,74 +1,27 @@
 local actions = require("telescope.actions")
-local finders = require("telescope.finders")
 local pickers = require("telescope.pickers")
 local conf = require("telescope.config").values
-local entry_display = require("telescope.pickers.entry_display")
 local action_state = require("telescope.actions.state")
 
 local _actions = require("telescope._extensions.actions")
+local _finders = require("telescope._extensions.finders")
 
 local function search_sessions(opts)
   local config = require("persisted.config").options
 
-  -- Layout borrowed from:
-  ---https://github.com/LinArcX/telescope-env.nvim/blob/master/lua/telescope/_extensions/env.lua
-  local cols = vim.o.columns
-  local telescope_width = conf.width
-    or conf.layout_config.width
-    or conf.layout_config[conf.layout_strategy].width
-    or cols
-
-  if type(telescope_width) == "function" then
-    telescope_width = telescope_width(_, cols, _)
-  end
-
-  if telescope_width < 1 then
-    telescope_width = math.floor(cols * telescope_width)
-  end
-
-  local branch_width = 30
-  local name_width = math.floor(cols * 0.05)
-
-  local displayer = entry_display.create({
-    separator = " │ ",
-    items = {
-      { width = telescope_width - branch_width - name_width },
-      { width = branch_width },
-      { remaining = true },
-    },
-  })
-  local make_display = function(entry)
-    return displayer({
-      entry.name,
-      entry.branch,
-    })
-  end
-
-  local make_entry = function(item)
-    return {
-      ordinal = item.name,
-      display = make_display,
-
-      name = item.name,
-      branch = item.branch,
-      file_path = item.file_path,
-    }
-  end
-
   pickers.new(opts, {
     prompt_title = "Sessions",
     sorter = conf.generic_sorter(opts),
-    finder = finders.new_table({
-      results = require("persisted").list(),
-      entry_maker = make_entry,
-    }),
+    finder = _finders.session_finder(require("persisted").list()),
     attach_mappings = function(prompt_bufnr, map)
+
       local refresh_sessions = function()
         local picker = action_state.get_current_picker(prompt_bufnr)
-        local finder = require("persisted").list()
-        picker:refresh(finder, { reset_prompt = true })
+        picker:refresh(_finders.session_finder(require("persisted").list()), { reset_prompt = true })
       end
 
+      _actions.delete_session:enhance({ post = refresh_sessions })
+
       map("i", "<c-d>", _actions.delete_session)
 
       actions.select_default:replace(function()