Add ObsidianExtractNote command (#397)

* feat: ObsidianExtractNote

* code review

* CR: only replace the selected text, not the entire line

Co-authored-by: Pete <[email protected]>

---------

Co-authored-by: Pete <[email protected]>

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Added `:ObsidianLinks` command.
+- Added `:ObsidianExtractNote` command.
 
 ### Fixed
 

README.md

@@ -75,6 +75,8 @@ _Keep in mind this plugin is not meant to replace Obsidian, but to complement it
 
 - `:ObsidianLinks` to collect all links within the current buffer into a picker window.
 
+- `:ObsidianExtractNote` to extract the visually selected text into a new note and link to it.
+
 - `:ObsidianWorkspace [NAME]` to switch to another workspace.
 
 - `:ObsidianPasteImg [IMGNAME]` to paste an image from the clipboard into the note at the cursor position by saving it to the vault and adding a markdown image link. You can configure the default folder to save images to with the `attachments.img_folder` option.

lua/obsidian/commands/extract_note.lua

@@ -0,0 +1,37 @@
+local log = require "obsidian.log"
+local util = require "obsidian.util"
+
+---Extract the selected text into a new note
+---and replace the selection with a link to the new note.
+---
+---@param client obsidian.Client
+return function(client, data)
+  local viz = util.get_visual_selection()
+  if viz.lines == nil or #viz.lines == 0 then
+    log.err "ObsidianExtractNote must be called with visual selection"
+    return
+  end
+
+  local content
+  if data.args ~= nil and string.len(data.args) > 0 then
+    content = { data.args }
+  else
+    content = viz.lines
+  end
+
+  -- new note with title from user
+  local title = vim.fn.input { prompt = "Enter title (optional): " }
+  if string.len(title) == 0 then
+    title = nil
+  end
+  local note = client:new_note(title)
+
+  -- replace selection with link to new note
+  local link = client:format_link(note)
+  vim.api.nvim_buf_set_text(0, viz.csrow - 1, viz.cscol - 1, viz.cerow - 1, viz.cecol, { link })
+
+  -- add the selected text to the end of the new note
+  local open_in = util.get_open_strategy(client.opts.open_notes_in)
+  vim.cmd(open_in .. tostring(note.path))
+  vim.api.nvim_buf_set_lines(0, -1, -1, false, content)
+end

lua/obsidian/commands/init.lua

@@ -21,6 +21,7 @@ local command_lookups = {
   ObsidianWorkspace = "obsidian.commands.workspace",
   ObsidianRename = "obsidian.commands.rename",
   ObsidianPasteImg = "obsidian.commands.paste_img",
+  ObsidianExtractNote = "obsidian.commands.extract_note",
 }
 
 local M = setmetatable({
@@ -186,4 +187,9 @@ M.register(
   { opts = { nargs = "?", complete = "file", desc = "Paste and image from the clipboard" } }
 )
 
+M.register(
+  "ObsidianExtractNote",
+  { opts = { nargs = "?", range = true, desc = "Extract selected text to a new note and link to it" } }
+)
+
 return M