feat: implement mapping to insert link to selected document

README.md

@@ -8,8 +8,12 @@ Add the following line somewhere after `require('telescope').setup()`.
 require('telescope').load_extension('bntp')
 ```
 
-## Available commands
+# Available commands
 
 ```vim
 :Telescope bntp documents
 ```
+
+# Additional Mappings
+
+`<c-l>` in insert or normal mode to insert a `markdown` link to the selected document.

lua/telescope/_extensions/bntp.lua

@@ -1,9 +1,11 @@
 -- https://github.com/nvim-telescope/telescope.nvim/blob/master/developers.md#guide-to-your-first-picker
 
-local documents = require('telescope._extensions.bntp.documents')
+local bntp_documents = require('telescope._extensions.bntp.documents')
 
 local pickers = require "telescope.pickers"
 local finders = require "telescope.finders"
+local actions = require "telescope.actions"
+local action_state = require('telescope.actions.state')
 local conf = require("telescope.config").values
 
 local items = {}
@@ -12,21 +14,43 @@ local items = {}
 -- Reacting to db changes?
 -- Checking for new tags every few seconds?
 local update_documents = function(self)
-    local  documents = documents .get_documents()
+    local  documents_ = bntp_documents.get_documents()
 
-    for _, document in ipairs(documents) do
-        table.insert(items, tag)
+    for _, document in ipairs(documents_) do
+        table.insert(items, document)
     end
 end
 
+local insert_link = function(prompt_bufnr)
+    local linkDestionation = action_state.get_selected_entry().value
+    local insertedText = "[]".."("..linkDestionation..")"
+
+    actions._close(prompt_bufnr, true)
+
+    local cursor = vim.api.nvim_win_get_cursor(0)
+    local line = vim.api.nvim_get_current_line()
+    local nline = line:sub(0, cursor[2]) .. insertedText .. line:sub( cursor[2]+ 1)
+    vim.api.nvim_set_current_line(nline)
+
+    vim.schedule(function()
+        vim.api.nvim_win_set_cursor(0, { cursor[1], cursor[2] + 1})
+    end)
+end
+
 local documents = function(opts)
   pickers.new(opts, {
     prompt_title = "bntp documents",
     finder = finders.new_table {
-      results = documents.get_tags()
+      results = bntp_documents.get_tags()
     },
     sorter = conf.generic_sorter(opts),
     previewer = conf.file_previewer(opts),
+    attach_mappings = function(prompt_bufnr, map)
+        map('i', '<c-l>', insert_link)
+        map('n', '<c-l>', insert_link)
+
+        return true
+    end,
   }):find()
 end