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107 lines
2.6 KiB
Nim
107 lines
2.6 KiB
Nim
import asyncdispatch, times, macros, tables
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import types
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withCustomDb("prefs.db", "", "", ""):
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try:
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createTables()
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except DbError:
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discard
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type
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PrefKind* = enum
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checkbox, select, input
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Pref* = object
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name*: string
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label*: string
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case kind*: PrefKind
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of checkbox:
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defaultState*: bool
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of select:
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defaultOption*: string
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options*: seq[string]
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of input:
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defaultInput*: string
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placeholder*: string
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const prefList*: Table[string, seq[Pref]] = {
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"Media": @[
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Pref(kind: checkbox, name: "videoPlayback",
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label: "Enable hls.js video playback (requires JavaScript)",
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defaultState: false),
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Pref(kind: checkbox, name: "autoplayGifs", label: "Autoplay gifs",
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defaultState: true),
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],
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"Display": @[
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Pref(kind: checkbox, name: "hideTweetStats",
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label: "Hide tweet stats (replies, retweets, likes",
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defaultState: false),
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Pref(kind: checkbox, name: "hideBanner", label: "Hide profile banner",
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defaultState: false),
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Pref(kind: checkbox, name: "stickyProfile",
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label: "Make profile sidebar stick to top",
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defaultState: true)
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]
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}.toTable
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iterator allPrefs(): Pref =
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for k, v in prefList:
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for pref in v:
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yield pref
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macro genDefaultPrefs*(): untyped =
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result = nnkObjConstr.newTree(ident("Prefs"))
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for pref in allPrefs():
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result.add nnkExprColonExpr.newTree(
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ident(pref.name),
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case pref.kind
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of checkbox: newLit(pref.defaultState)
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of select: newLit(pref.defaultOption)
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of input: newLit(pref.defaultInput))
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proc cache*(prefs: var Prefs) =
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withCustomDb("prefs.db", "", "", ""):
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try:
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doAssert prefs.id != 0
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discard Prefs.getOne("id = ?", prefs.id)
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prefs.update()
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except AssertionError, KeyError:
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prefs.insert()
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proc getPrefs*(id: string): Prefs =
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if id.len == 0: return genDefaultPrefs()
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withCustomDb("prefs.db", "", "", ""):
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try:
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result.getOne("id = ?", id)
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except KeyError:
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result = genDefaultPrefs()
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cache(result)
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macro genUpdatePrefs*(): untyped =
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result = nnkStmtList.newTree()
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for pref in allPrefs():
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let ident = ident(pref.name)
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let value = nnkPrefix.newTree(ident("@"), newLit(pref.name))
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case pref.kind
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of checkbox:
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result.add quote do: prefs.`ident` = `value` == "on"
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of input:
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result.add quote do: prefs.`ident` = `value`
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of select:
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let options = pref.options
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let default = pref.defaultOption
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result.add quote do:
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if `value` in `options`: prefs.`ident` = `value`
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else: prefs.`ident` = `default`
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result.add quote do:
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cache(prefs)
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