moved ftplugins, and fixed some plugins

ftplugin/markdown.lua

@@ -0,0 +1,88 @@
+-- markdown.lua
+
+-- Update PATH to include TeX binaries
+vim.env.PATH = vim.env.PATH .. ':/Library/TeX/texbin'
+
+-- Utility function to create directories if they do not exist
+local function ensure_directory_exists(path)
+  if not vim.fn.isdirectory(path) then
+    vim.fn.mkdir(path, 'p')
+  end
+end
+
+-- Generate the PDF target directory and file paths
+local function generate_pdf_paths(filename)
+  local base_dir = vim.fn.fnamemodify(filename, ':h')
+  local target_dir = base_dir:gsub('/src$', '/pdf')
+  local output_file = vim.fn.fnamemodify(filename, ':t:r') .. '.pdf'
+  local output_path = target_dir .. '/' .. output_file
+
+  -- Ensure the target directory exists
+  ensure_directory_exists(target_dir)
+
+  return target_dir, output_file, output_path
+end
+
+-- Build PDF using the buildnote script
+local function build_pdf(filename, output_path)
+  local command = string.format('buildnote %s %s', vim.fn.shellescape(filename), vim.fn.shellescape(output_path))
+  return vim.fn.systemlist(command)
+end
+
+-- Check if Zathura is running and open it if not
+local function open_pdf_in_zathura(pdf_path)
+  local zathura_running = vim.fn.systemlist('pgrep -f "zathura ' .. vim.fn.shellescape(pdf_path) .. '"')
+
+  if #zathura_running == 0 then
+    vim.fn.jobstart({ 'zathura', pdf_path }, { detach = true, stdout = 'null', stderr = 'null' })
+    print('Opening PDF in Zathura: ' .. pdf_path)
+  else
+    print('Zathura is already running for this file.')
+  end
+end
+
+-- Keybinding to build the PDF and view it in Zathura
+vim.keymap.set('n', '<leader>lv', function()
+  local filename = vim.fn.expand('%:p')
+  local _, _, output_path = generate_pdf_paths(filename)
+
+  -- Build the PDF
+  local result = build_pdf(filename, output_path)
+
+  if #result == 0 then
+    print('Error: Could not generate PDF.')
+    return
+  end
+
+  -- Open the PDF in Zathura
+  open_pdf_in_zathura(output_path)
+end, {
+  desc = 'View output PDF in Zathura',
+  noremap = true,
+  silent = true,
+})
+
+-- Autocmd to close all Zathura instances related to the current file when exiting Neovim
+vim.api.nvim_create_autocmd('VimLeavePre', {
+  callback = function()
+    local _, _, output_path = generate_pdf_paths(vim.fn.expand('%:p'))
+    vim.fn.system({ 'pkill', '-f', 'zathura ' .. output_path })
+  end,
+})
+
+-- Auto-run `buildnote` for files matching `*note-*.md` on save
+vim.api.nvim_create_autocmd('BufWritePost', {
+  pattern = '*note-*.md',
+  callback = function()
+    local filename = vim.fn.expand('%:p')
+    local _, _, output_path = generate_pdf_paths(filename)
+
+    if vim.fn.filereadable(filename) == 1 then
+      -- Execute the buildnote script to generate the PDF
+      local command = string.format('buildnote %s %s', vim.fn.shellescape(filename), vim.fn.shellescape(output_path))
+      vim.cmd('silent !' .. command)
+    else
+      print('Error: File ' .. filename .. ' does not exist.')
+    end
+  end,
+})