117 lines
3.5 KiB
Go
117 lines
3.5 KiB
Go
/*
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* LURE Updater - Automated updater bot for LURE packages
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* Copyright (C) 2023 Elara Musayelyan
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package builtins
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import (
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"go.elara.ws/logger/log"
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"go.etcd.io/bbolt"
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"go.starlark.net/starlark"
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"go.starlark.net/starlarkstruct"
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)
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func storeModule(db *bbolt.DB, bucketName string) *starlarkstruct.Module {
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return &starlarkstruct.Module{
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Name: "store",
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Members: starlark.StringDict{
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"set": storeSet(db, bucketName),
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"get": storeGet(db, bucketName),
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"delete": storeDelete(db, bucketName),
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},
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}
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}
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func storeSet(db *bbolt.DB, bucketName string) *starlark.Builtin {
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return starlark.NewBuiltin("store.set", func(thread *starlark.Thread, b *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
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var key, value string
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err := starlark.UnpackArgs("store.set", args, kwargs, "key", &key, "value", &value)
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if err != nil {
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return nil, err
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}
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err = db.Update(func(tx *bbolt.Tx) error {
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bucket, err := tx.CreateBucketIfNotExists([]byte(bucketName))
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if err != nil {
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return err
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}
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err = bucket.Put([]byte(key), []byte(value))
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if err != nil {
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return err
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}
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return nil
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})
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if err != nil {
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return nil, err
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}
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log.Debug("Set value").Str("bucket", bucketName).Str("key", key).Str("value", value).Stringer("pos", thread.CallFrame(1).Pos).Send()
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return starlark.None, nil
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})
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}
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func storeGet(db *bbolt.DB, bucketName string) *starlark.Builtin {
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return starlark.NewBuiltin("store.get", func(thread *starlark.Thread, b *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
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var key string
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err := starlark.UnpackArgs("store.get", args, kwargs, "key", &key)
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if err != nil {
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return nil, err
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}
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var value string
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err = db.Update(func(tx *bbolt.Tx) error {
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bucket, err := tx.CreateBucketIfNotExists([]byte(bucketName))
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if err != nil {
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return err
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}
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data := bucket.Get([]byte(key))
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value = string(data)
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return nil
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})
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if err != nil {
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return nil, err
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}
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log.Debug("Retrieved value").Str("bucket", bucketName).Str("key", key).Str("value", value).Stringer("pos", thread.CallFrame(1).Pos).Send()
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return starlark.String(value), nil
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})
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}
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func storeDelete(db *bbolt.DB, bucketName string) *starlark.Builtin {
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return starlark.NewBuiltin("store.delete", func(thread *starlark.Thread, b *starlark.Builtin, args starlark.Tuple, kwargs []starlark.Tuple) (starlark.Value, error) {
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var key string
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err := starlark.UnpackArgs("store.delete", args, kwargs, "key", &key)
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if err != nil {
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return nil, err
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}
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err = db.Update(func(tx *bbolt.Tx) error {
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bucket, err := tx.CreateBucketIfNotExists([]byte(bucketName))
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if err != nil {
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return err
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}
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return bucket.Delete([]byte(key))
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})
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if err != nil {
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return nil, err
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}
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log.Debug("Deleted value").Str("bucket", bucketName).Str("key", key).Stringer("pos", thread.CallFrame(1).Pos).Send()
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return starlark.None, nil
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})
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}
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