Adding migrate for older projects

lua/Javanvim/init.lua

@@ -60,27 +60,11 @@ function M.setup(opts)
   vim.api.nvim_create_user_command("NewJavaFile", M.create_new_file, {})
   vim.api.nvim_create_user_command("JavaBuild", M.build, {})
   vim.api.nvim_create_user_command("JavaRun", M.run, {})
+  vim.api.nvim_create_user_command("Migrate", M.migrate, {})
 end
 
--- -- Open floating terminal
+-- Open floating terminal
--- local function open_float_terminal(cmd)
+function M.open_float_terminal(cmd)
---   local ui = vim.api.nvim_list_uis()[1]
---   local width, height = math.floor(ui.width * 0.9), math.floor(ui.height * 0.9)
---   local row, col = math.floor(ui.height * 0.05), math.floor(ui.width * 0.05)
---
---   local buf = vim.api.nvim_create_buf(false, true)
---   local win = vim.api.nvim_open_win(buf, true, {
---     relative = "editor",
---     width = width - M.config.terminal.right_padding,
---     height = height - M.config.terminal.bottom_padding,
---     row = row + M.config.terminal.left_padding,
---     col = col + M.config.terminal.top_padding,
---     style = "minimal",
---     border = M.config.terminal.border and "rounded" or "none",
---   })
---
---
-  local function open_float_terminal(cmd)
   local ui = vim.api.nvim_list_uis()[1]
   local term_cfg = M.config.terminal
 
@@ -139,6 +123,40 @@ end
   return buf, win
 end
 
+-- Migrate old folder to new method
+-- take project to convert
+-- cd into project in project_root
+-- mkdir src and build
+-- move all contents of root/src to src
+-- move all contents of root/out to build
+-- delete root
+function M.migrate()
+  vim.ui.input({ prompt = "Enter project name to migrate: "}, function(project_name)
+    if not project_name or project_name == "" then
+      print("Migration failed")
+      return
+    end
+    local project_root = vim.fn.expand(M.config.project_root) .. "/" .. project_name
+    local legacy_src_dir = project_root .. "/root/src"
+    local legacy_out_dir = project_root .. "/root/out"
+    local src_dir = project_root .. "/src"
+    local build_dir = project_root .. "/build"
+
+    vim.fn.mkdir(src_dir, "p")
+    vim.fn.mkdir(build_dir, "p")
+
+    -- local compile_command = string.format("javac -d %s %s/*.java", out_dir, src_dir)
+    local compile_command = string.format("mv" .. legacy_src_dir .. "*" .. src_dir " && mv " .. legacy_out_dir .. "*" .. build_dir "&& rm -rd " .. project_root .. "/" .. "root/")
+    local compile_status = vim.fn.system(compile_command)
+
+    if vim.v.shell_error ~= 0 then
+      print("Error during migration:\n" .. compile_status)
+    else
+      print("Migration successful!")
+    end
+  end)
+end
+
 -- Create a new Java project
 function M.create_project()
   -- Use vim.ui.input for better handling of input
@@ -189,7 +207,7 @@ function M.create_new_file()
     end
 
     local current_dir = vim.fn.expand("%:p:h")
-    local root_dir = current_dir:match("(.*)/root/src")
+    local root_dir = current_dir:match("(.*)/src")
     if not root_dir then
       print("Error: src directory not found.")
       return
@@ -247,7 +265,7 @@ function M.run()
   end
 
   local out_dir = project_root .. "/build"
-  open_float_terminal("java -cp " .. out_dir .. " Main")
+  M.open_float_terminal("java -cp " .. out_dir .. " Main")
 end
 
 return M