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feat: auth backend (#111)

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* refactor(types): extract inline anonymous types into named classes

Problem: several functions used inline `{...}` table types in their
`@param` and `@return` annotations, making them hard to read and
impossible to reference from other modules.

Solution: extract each into a named `---@class`: `pending.Metadata`,
`pending.TaskFields`, `pending.CompletionItem`, `pending.SystemResult`,
and `pending.OAuthClientOpts`.

* refactor(sync): extract shared utilities into `sync/util.lua`

Problem: sync epilogue code (`s:save()`, `_recompute_counts()`,
`buffer.render()`) and `fmt_counts` were duplicated across `gcal.lua`
and `gtasks.lua`. The concurrency guard lived in `oauth.lua`, coupling
non-OAuth backends to the OAuth module.

Solution: create `sync/util.lua` with `async`, `system`, `with_guard`,
`finish`, and `fmt_counts`. Delegate from `oauth.lua` and replace
duplicated code in both backends. Add per-backend `auth()` and
`auth_complete()` methods to `gcal.lua` and `gtasks.lua`.

* feat(sync): auto-discover backends, per-backend auth, S3 backend

Problem: sync backends were hardcoded in `SYNC_BACKENDS` list in
`init.lua`, auth routed directly through `oauth.google_client`, and
adding a non-OAuth backend required editing multiple files.

Solution: replace hardcoded list with `discover_backends()` that globs
`lua/pending/sync/*.lua` at runtime. Rewrite `M.auth()` to dispatch
to per-backend `auth()` methods with `vim.ui.select` fallback. Add
`lua/pending/sync/s3.lua` with push/pull/sync via AWS CLI, per-task
merge by `_s3_sync_id` (UUID), and `pending.S3Config` type.
This commit is contained in:
Barrett Ruth 2026-03-08 19:53:42 -04:00 • committed by GitHub
parent ac02526cf1
commit fe4c1d0e31
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13 changed files with 1173 additions and 107 deletions
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27
plugin/pending.lua
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@ -183,7 +183,8 @@ end, {
for word in after_filter:gmatch('%S+') do
used[word] = true
end
local candidates = { 'clear', 'overdue', 'today', 'priority', 'done', 'pending', 'wip', 'blocked' }
local candidates =
{ 'clear', 'overdue', 'today', 'priority', 'done', 'pending', 'wip', 'blocked' }
local store = require('pending.store')
local s = store.new(store.resolve_path())
s:load()
@ -223,10 +224,22 @@ end, {
end
local trailing = after_auth:match('%s$')
if #parts == 0 or (#parts == 1 and not trailing) then
return filter_candidates(arg_lead, { 'gcal', 'gtasks', 'clear', 'reset' })
local auth_names = {}
for _, b in ipairs(pending.sync_backends()) do
local ok, mod = pcall(require, 'pending.sync.' .. b)
if ok and type(mod.auth) == 'function' then
table.insert(auth_names, b)
end
end
return filter_candidates(arg_lead, auth_names)
end
local backend_name = parts[1]
if #parts == 1 or (#parts == 2 and not trailing) then
return filter_candidates(arg_lead, { 'clear', 'reset' })
local ok, mod = pcall(require, 'pending.sync.' .. backend_name)
if ok and type(mod.auth_complete) == 'function' then
return filter_candidates(arg_lead, mod.auth_complete())
end
return {}
end
return {}
end
@ -243,7 +256,13 @@ end, {
end
local actions = {}
for k, v in pairs(mod) do
if type(v) == 'function' and k:sub(1, 1) ~= '_' and k ~= 'health' then
if
type(v) == 'function'
and k:sub(1, 1) ~= '_'
and k ~= 'health'
and k ~= 'auth'
and k ~= 'auth_complete'
then
table.insert(actions, k)
end
end