Add rescheduling tasks

[rbdr/nota.nvim] / lua / tasks.lua

diff --git a/lua/tasks.lua b/lua/tasks.lua
index 618a688dfa60a2e99c5880152577bc08589ee3c9..66dbc48d4422845cd5a6bd152f04ed9fc0281949 100644 (file)
--- a/lua/tasks.lua
+++ b/lua/tasks.lua
@@ -3,10 +3,31 @@
 -------------------------------------------------------------------------------
 local Tasks = {}
 local Configuration = require('configuration')
+local Notes = require('notes')
+local Util = require('util')
 local api = vim.api
 -------------------------------------------------------------------------------
 -- Internal Functions
 -------------------------------------------------------------------------------
+local unchecked_pattern = '^(%s*)%- %[ %]'
+local unchecked_important_pattern = '^(%s*)%* %[ %]'
+local checked_pattern = '^(%s*)%- %[x%]'
+local checked_important_pattern = '^(%s*)%* %[x%]'
+
+local function open(path)
+  local parent = Util.directory_name(path)
+  Util.ensure_directory_exists(parent)
+  vim.cmd('edit ' .. path)
+end
+
+local function open_inbox()
+  local path = Configuration.path_for(Configuration.configuration.tasks.inbox)
+  open(path)
+end
+local function open_someday()
+  local path = Configuration.path_for(Configuration.configuration.tasks.someday)
+  open(path)
+end
 -------------------------------------------------------------------------------
 -- Public Interface
 -------------------------------------------------------------------------------
@@ -16,11 +37,6 @@ function Tasks.toggle()
     local line_number = api.nvim_win_get_cursor(0)[1]
     local line = api.nvim_get_current_line()
 
-    local unchecked_pattern = '^(%s*)%- %[ %]'
-    local unchecked_important_pattern = '^(%s*)%* %[ %]'
-    local checked_pattern = '^(%s*)%- %[x%]'
-    local checked_important_pattern = '^(%s*)%* %[x%]'
-
     if line:match(unchecked_pattern) then
         line = line:gsub(unchecked_pattern, '%1- [x]', 1)
     elseif line:match(unchecked_important_pattern) then
@@ -39,11 +55,6 @@ function Tasks.toggle_importance()
     local line_number = api.nvim_win_get_cursor(0)[1]
     local line = api.nvim_get_current_line()
 
-    local unchecked_pattern = '^(%s*)%- %[ %]'
-    local unchecked_important_pattern = '^(%s*)%* %[ %]'
-    local checked_pattern = '^(%s*)%- %[x%]'
-    local checked_important_pattern = '^(%s*)%* %[x%]'
-
     if line:match(unchecked_pattern) then
         line = line:gsub(unchecked_pattern, '%1* [ ]', 1)
     elseif line:match(unchecked_important_pattern) then
@@ -65,7 +76,10 @@ end
 
 --- Captures a new task into the inbox
 function Tasks.capture()
-  error('Not yet implemented')
+  local prefix = '- [ ] '
+  open_inbox()
+  vim.cmd('normal! Go'..prefix)
+  vim.cmd('startinsert!')
 end
 
 --- Tag a task
@@ -75,22 +89,63 @@ end
 
 --- Reschedule a task for today
 function Tasks.reschedule_for_today()
-  error('Not yet implemented')
+  local today = os.date('%Y-%m-%d')
+  Tasks.reschedule(today)
 end
 
 --- Reschedule a task for tomorrow
 function Tasks.reschedule_for_tomorrow()
-  error('Not yet implemented')
+  local tomorrow = os.date('%Y-%m-%d', os.time() + 24*60*60)
+  Tasks.reschedule(tomorrow)
 end
 
 --- Reschedule a task for someday
 function Tasks.reschedule_for_someday()
-  error('Not yet implemented')
+  Tasks.reschedule('someday')
 end
 
 --- Reschedule a task for an arbitrary date
 function Tasks.reschedule(new_date)
-  error('Not yet implemented')
+
+  if not new_date or new_date == '' then
+    new_date = vim.fn.input('Reschedule for which date (YYYY-mm-dd): ')
+  end
+
+  if not Util.is_valid_date(new_date) and new_date ~= 'someday' then
+    api.nvim_err_writeln(new_date .. ' is not a valid date in the format YYYY-mm-dd')
+    return
+  end
+
+  local line_number = api.nvim_win_get_cursor(0)[1]
+  local buffer = api.nvim_get_current_buf()
+  local line = api.nvim_get_current_line()
+  local filename = vim.fn.expand('%:t:r')
+
+  if line:match(unchecked_pattern) or line:match(unchecked_important_pattern) then
+    if Util.is_before_today(filename) and line:match(unchecked_pattern) then
+      local rescheduled_line = line:gsub(unchecked_pattern, '%1- [>' .. new_date .. ']', 1)
+      api.nvim_buf_set_lines(0, line_number - 1, line_number, false, {rescheduled_line})
+    elseif Util.is_before_today(filename) and line:match(unchecked_important_pattern) then
+      local rescheduled_line = line:gsub(unchecked_important_pattern, '%1* [>' .. new_date .. ']', 1)
+      api.nvim_buf_set_lines(0, line_number - 1, line_number, false, {rescheduled_line})
+    else
+      api.nvim_buf_set_lines(buffer, line_number - 1, line_number, false, {})
+    end
+
+    vim.cmd('write')
+
+    if new_date == 'someday' then
+      open_someday()
+    else
+      Notes.open_daily(new_date)
+    end
+
+    local line_count = api.nvim_buf_line_count(0)
+    api.nvim_buf_set_lines(0, line_count, line_count, false, {line})
+    api.nvim_win_set_cursor(0, {line_count, 0})
+  else
+    api.nvim_err_writeln('Reschedule only works on open tasks')
+  end
 end
 
 return Tasks