Updates nvim setup

.config/nvim/lua/commands/optolith.lua

@@ -0,0 +1,101 @@
+local nio = require("nio")
+local git = require("functions.git")
+
+local function startswith(string, start)
+  return string:sub(1, #start) == start
+end
+
+local function get_current_path()
+  local currentBuffer = vim.fn.expand("%")
+
+  if not startswith(currentBuffer, "neo-tree") then
+    return currentBuffer
+  end
+
+  local filesystemState = require("neo-tree.sources.manager").get_state("filesystem")
+  local currentLine = vim.fn.getpos(".")[2]
+  return filesystemState.tree:get_node(currentLine).path
+end
+
+vim.api.nvim_create_user_command("Optolith", function()
+  local LAUNCH_COMMAND = vim.fs.normalize("~/.local/share/appimages/OptolithInsider.AppImage")
+  local OPTOLITH_DIRECTORY = "~/.config/Optolith Insider"
+
+  local currentHeroFile = get_current_path()
+
+  if currentHeroFile:find(".opto$") == nil then
+    vim.notify("Invalid hero", "error", {
+      title = "Optolith",
+    })
+    return
+  end
+
+  local absOptolithDirectory = vim.fs.normalize(OPTOLITH_DIRECTORY)
+  if vim.fn.isdirectory(absOptolithDirectory) == 0 then
+    vim.notify("Can't find folder. Please start the application once.\nFolder: " .. OPTOLITH_DIRECTORY, "error", {
+      title = "Optolith",
+    })
+    return
+  end
+
+  local heroesPath = vim.fs.joinpath(absOptolithDirectory, "heroes.json")
+  local heroesGlob = vim.fn.glob(heroesPath)
+  local heroesFileExists = vim.fn.empty(heroesGlob) == 0
+  if heroesFileExists and vim.fn.filewritable(heroesPath) == 0 then
+    vim.notify("Can't modify heroes file... Can't inject hero.", "error", {
+      title = "Optolith",
+    })
+    return
+  end
+
+  local swapFileExists = vim.fn.empty(vim.fn.glob(heroesPath .. ".swp")) == 0
+  if swapFileExists then
+    vim.notify("Swap file already exists. To prevent data loss, please restore the swap file.", "error", {
+      title = "Optolith",
+    })
+    return
+  end
+  if heroesFileExists then
+    local mvCommand = os.execute(string.format('mv "%s" "%s.swp"', heroesPath, heroesPath))
+    if mvCommand ~= 0 then
+      vim.notify("Can not move heroes file.", "error", {
+        title = "Optolith",
+      })
+      return
+    end
+    swapFileExists = true
+  end
+
+  local linkCommand = os.execute(string.format('ln -s "%s" "%s"', currentHeroFile, heroesPath))
+  if linkCommand ~= 0 then
+    vim.notify("Can't create link...", "error", {
+      title = "Optolith",
+    })
+    return
+  end
+
+  -- If the file is just one character, its not a valid heroes.json file.
+  -- So we need to create a valid file.
+  local file = table.concat(vim.fn.readfile(currentHeroFile))
+  local fileData = vim.fn.json_decode(file)
+  if fileData["id"] ~= nil then
+    local newData = {}
+    newData[fileData["id"]] = fileData
+    vim.fn.writefile({ vim.fn.json_encode(newData) }, currentHeroFile)
+  end
+
+  local task = nio.run(function()
+    local process = nio.process.run({
+      cmd = LAUNCH_COMMAND,
+    })
+
+    process.result()
+  end, function()
+    os.remove(heroesPath)
+    if swapFileExists then
+      os.execute(string.format('mv "%s.swp" "%s"', heroesPath, heroesPath))
+    end
+
+    git.commitFile(currentHeroFile)
+  end)
+end, {})