feat(detail): parse and validate editable frontmatter on save (#163)
Problem: the detail buffer rendered metadata as read-only virtual text overlays. Users could not edit status, priority, category, due, or recurrence from the detail view. Solution: render frontmatter as real `Key: value` text lines highlighted via extmarks. On `:w`, `parse_detail_frontmatter()` validates every field (status, priority bounds, `resolve_date`, `recur.validate`) and aborts with `log.error()` on any invalid input. Removing a line clears the field; editing the `# title` updates the description.
This commit is contained in:
Barrett Ruth
parent
32e1175736
commit
e8ebe154a1
2 changed files with 585 additions and 67 deletions
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@ -824,59 +824,46 @@ function M.detail_task_id()
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return _detail_task_id
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end
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---@param bufnr integer
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local VALID_STATUSES = {
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pending = true,
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done = true,
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wip = true,
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blocked = true,
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cancelled = true,
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}
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---@param task pending.Task
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---@return nil
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local function apply_detail_extmarks(bufnr, task)
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vim.api.nvim_buf_clear_namespace(bufnr, ns_detail, 0, -1)
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local icons = config.get().icons
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local parts = {}
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local status_label = task.status or 'pending'
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local icon_char = icons[status_label] or icons.pending
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table.insert(parts, { 'Status: [' .. icon_char .. '] ' .. status_label, 'PendingDetailMeta' })
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if task.priority and task.priority > 0 then
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table.insert(parts, { ' ', 'Normal' })
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table.insert(
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parts,
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{ 'Priority: ' .. string.rep(icons.priority, task.priority), 'PendingDetailMeta' }
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)
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end
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local line2 = {}
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---@return string[]
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local function build_detail_frontmatter(task)
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local lines = {}
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table.insert(lines, 'Status: ' .. (task.status or 'pending'))
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table.insert(lines, 'Priority: ' .. (task.priority or 0))
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if task.category then
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table.insert(line2, { 'Category: ' .. task.category, 'PendingDetailMeta' })
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table.insert(lines, 'Category: ' .. task.category)
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end
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if task.due then
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if #line2 > 0 then
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table.insert(line2, { ' ', 'Normal' })
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end
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local due_label = task.due
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local y, mo, d = task.due:match('^(%d%d%d%d)%-(%d%d)%-(%d%d)')
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if y then
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local t = os.time({
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year = tonumber(y) --[[@as integer]],
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month = tonumber(mo) --[[@as integer]],
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day = tonumber(d) --[[@as integer]],
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})
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due_label = os.date(config.get().date_format, t) --[[@as string]]
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end
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table.insert(line2, { 'Due: ' .. due_label, 'PendingDetailMeta' })
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table.insert(lines, 'Due: ' .. task.due)
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end
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if task.recur then
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if #line2 > 0 then
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table.insert(line2, { ' ', 'Normal' })
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local recur_val = task.recur
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if task.recur_mode == 'completion' then
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recur_val = '!' .. recur_val
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end
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table.insert(line2, { 'Recur: ' .. task.recur, 'PendingDetailMeta' })
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table.insert(lines, 'Recur: ' .. recur_val)
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end
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if #parts > 0 then
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vim.api.nvim_buf_set_extmark(bufnr, ns_detail, 1, 0, {
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virt_text = parts,
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virt_text_pos = 'overlay',
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})
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end
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if #line2 > 0 then
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vim.api.nvim_buf_set_extmark(bufnr, ns_detail, 2, 0, {
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virt_text = line2,
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virt_text_pos = 'overlay',
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return lines
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end
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---@param bufnr integer
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---@param sep_row integer
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---@return nil
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local function apply_detail_extmarks(bufnr, sep_row)
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vim.api.nvim_buf_clear_namespace(bufnr, ns_detail, 0, -1)
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for i = 1, sep_row - 1 do
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vim.api.nvim_buf_set_extmark(bufnr, ns_detail, i, 0, {
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end_row = i,
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end_col = #(vim.api.nvim_buf_get_lines(bufnr, i, i + 1, false)[1] or ''),
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hl_group = 'PendingDetailMeta',
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})
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end
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end
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@ -909,12 +896,12 @@ function M.open_detail(task_id)
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vim.bo[bufnr].filetype = 'markdown'
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vim.bo[bufnr].swapfile = false
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local lines = {
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'# ' .. task.description,
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'',
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'',
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DETAIL_SEPARATOR,
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}
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local lines = { '# ' .. task.description }
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local fm = build_detail_frontmatter(task)
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for _, fl in ipairs(fm) do
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table.insert(lines, fl)
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end
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table.insert(lines, DETAIL_SEPARATOR)
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local notes = task.notes or ''
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if notes ~= '' then
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for note_line in (notes .. '\n'):gmatch('(.-)\n') do
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@ -927,7 +914,8 @@ function M.open_detail(task_id)
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vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, lines)
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vim.bo[bufnr].modified = false
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apply_detail_extmarks(bufnr, task)
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local sep_row = #fm + 1
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apply_detail_extmarks(bufnr, sep_row)
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local winid = task_winid
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if winid and vim.api.nvim_win_is_valid(winid) then
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@ -941,8 +929,7 @@ function M.open_detail(task_id)
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_detail_bufnr = bufnr
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_detail_task_id = task_id
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local separator_row = 3
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local cursor_row = separator_row + 2
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local cursor_row = sep_row + 2
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local total = vim.api.nvim_buf_line_count(bufnr)
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if cursor_row > total then
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cursor_row = total
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@ -969,6 +956,124 @@ function M.close_detail()
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end
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end
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---@param lines string[]
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---@return integer? sep_row
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---@return pending.DetailFields? fields
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---@return string? err
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local function parse_detail_frontmatter(lines)
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local parse = require('pending.parse')
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local recur = require('pending.recur')
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local cfg = config.get()
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local sep_row = nil
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for i, line in ipairs(lines) do
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if line == DETAIL_SEPARATOR then
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sep_row = i
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break
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end
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end
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if not sep_row then
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return nil, nil, 'missing separator (---)'
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end
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local desc = lines[1] and lines[1]:match('^# (.+)$')
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if not desc or desc:match('^%s*$') then
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return nil, nil, 'missing or empty title (first line must be # <title>)'
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end
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---@class pending.DetailFields
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---@field description string
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---@field status pending.TaskStatus
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---@field priority integer
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---@field category? string|userdata
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---@field due? string|userdata
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---@field recur? string|userdata
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---@field recur_mode? pending.RecurMode|userdata
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local fields = {
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description = desc,
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status = 'pending',
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priority = 0,
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category = vim.NIL,
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due = vim.NIL,
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recur = vim.NIL,
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recur_mode = vim.NIL,
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}
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local seen = {} ---@type table<string, boolean>
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for i = 2, sep_row - 1 do
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local line = lines[i]
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if line:match('^%s*$') then
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goto continue
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end
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local key, val = line:match('^(%S+):%s*(.*)$')
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if not key then
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return nil, nil, 'invalid frontmatter line: ' .. line
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end
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key = key:lower()
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if seen[key] then
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return nil, nil, 'duplicate field: ' .. key
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end
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seen[key] = true
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if key == 'status' then
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val = val:lower()
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if not VALID_STATUSES[val] then
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return nil, nil, 'invalid status: ' .. val
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end
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fields.status = val --[[@as pending.TaskStatus]]
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elseif key == 'priority' then
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local n = tonumber(val)
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if not n or n ~= math.floor(n) or n < 0 then
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return nil, nil, 'invalid priority: ' .. val .. ' (must be integer >= 0)'
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end
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local max = cfg.max_priority or 3
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if n > max then
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return nil, nil, 'invalid priority: ' .. val .. ' (max is ' .. max .. ')'
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end
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fields.priority = n --[[@as integer]]
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elseif key == 'category' then
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if val == '' then
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return nil, nil, 'empty category value'
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end
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fields.category = val
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elseif key == 'due' then
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if val == '' then
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return nil, nil, 'empty due value (remove the line to clear)'
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end
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local resolved = parse.resolve_date(val)
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if resolved then
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fields.due = resolved
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elseif
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val:match('^%d%d%d%d%-%d%d%-%d%d$') or val:match('^%d%d%d%d%-%d%d%-%d%dT%d%d:%d%d$')
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then
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fields.due = val
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else
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return nil, nil, 'invalid due date: ' .. val
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end
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elseif key == 'recur' then
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if val == '' then
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return nil, nil, 'empty recur value (remove the line to clear)'
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end
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local raw_spec = val
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local rec_mode = nil
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if raw_spec:sub(1, 1) == '!' then
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rec_mode = 'completion'
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raw_spec = raw_spec:sub(2)
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end
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if not recur.validate(raw_spec) then
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return nil, nil, 'invalid recurrence: ' .. val
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end
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fields.recur = raw_spec
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fields.recur_mode = rec_mode or vim.NIL
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else
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return nil, nil, 'unknown field: ' .. key
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end
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::continue::
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end
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return sep_row, fields, nil
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end
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---@return nil
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function M.save_detail()
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if not _detail_bufnr or not _detail_task_id or not _store then
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@ -983,16 +1088,16 @@ function M.save_detail()
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local lines = vim.api.nvim_buf_get_lines(_detail_bufnr, 0, -1, false)
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local sep_row = nil
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for i, line in ipairs(lines) do
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if line == DETAIL_SEPARATOR then
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sep_row = i
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break
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end
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local sep_row, fields, err = parse_detail_frontmatter(lines)
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if err then
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log.error(err)
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return
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end
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---@cast sep_row integer
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---@cast fields pending.DetailFields
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local notes_text = ''
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if sep_row and sep_row < #lines then
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if sep_row < #lines then
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local note_lines = {}
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for i = sep_row + 1, #lines do
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table.insert(note_lines, lines[i])
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@ -1001,18 +1106,29 @@ function M.save_detail()
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notes_text = notes_text:gsub('%s+$', '')
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end
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local update = {
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description = fields.description,
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status = fields.status,
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priority = fields.priority,
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category = fields.category,
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due = fields.due,
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recur = fields.recur,
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recur_mode = fields.recur_mode,
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}
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if notes_text == '' then
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_store:update(_detail_task_id, { notes = vim.NIL })
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update.notes = vim.NIL
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else
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_store:update(_detail_task_id, { notes = notes_text })
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update.notes = notes_text
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end
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_store:update(_detail_task_id, update)
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_store:save()
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vim.bo[_detail_bufnr].modified = false
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local updated = _store:get(_detail_task_id)
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if updated then
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apply_detail_extmarks(_detail_bufnr, updated)
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end
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apply_detail_extmarks(_detail_bufnr, sep_row - 1)
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end
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M._parse_detail_frontmatter = parse_detail_frontmatter
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M._build_detail_frontmatter = build_detail_frontmatter
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return M
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