nitter/src/prefs.nim

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import strutils, sequtils, macros
import prefs_impl, types
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export genUpdatePrefs
static:
var pFields: seq[string]
for id in getTypeImpl(Prefs)[2]:
if $id[0] == "id": continue
pFields.add $id[0]
let pDefs = toSeq(allPrefs()).mapIt(it.name)
let missing = pDefs.filterIt(it notin pFields)
if missing.len > 0:
raiseAssert("{$1} missing from the Prefs type" % missing.join(", "))
template safeAddColumn(field: typedesc): untyped =
try: field.addColumn
except DbError: discard
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dbFromTypes("prefs.db", "", "", "", [Prefs])
withDb:
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try:
createTables()
except DbError:
discard
Prefs.theme.safeAddColumn
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proc getDefaultPrefs(cfg: Config): Prefs =
result = genDefaultPrefs()
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result.replaceTwitter = cfg.hostname
result.theme = cfg.defaultTheme
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proc cache*(prefs: var Prefs) =
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withDb:
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try:
doAssert prefs.id != 0
discard Prefs.getOne("id = ?", prefs.id)
prefs.update()
except AssertionError, KeyError:
prefs.insert()
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proc getPrefs*(id: string; cfg: Config): Prefs =
if id.len == 0:
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return getDefaultPrefs(cfg)
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withDb:
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try:
result.getOne("id = ?", id)
except KeyError:
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result = getDefaultPrefs(cfg)
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proc resetPrefs*(prefs: var Prefs; cfg: Config) =
var defPrefs = getDefaultPrefs(cfg)
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defPrefs.id = prefs.id
cache(defPrefs)
prefs = defPrefs