60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
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/*
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* Wiki - A wiki with editor
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* Copyright (c) 2021-2021 Peter Stuifzand
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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 main
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import (
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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)
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type BlockRepository interface {
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Save(block Block) error
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Load(id string) (Block, error)
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}
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type blockRepo struct {
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dirname string
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}
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func (br *blockRepo) Save(id string, block Block) error {
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f, err := os.OpenFile(filepath.Join(br.dirname, BlocksDirectory, id), os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644)
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defer f.Close()
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if err != nil {
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return err
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}
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enc := json.NewEncoder(f)
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enc.SetIndent("", " ")
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return enc.Encode(&block)
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}
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func (br *blockRepo) Load(id string) (Block, error) {
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f, err := os.Open(filepath.Join(br.dirname, BlocksDirectory, id))
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if err != nil {
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return Block{}, fmt.Errorf("%q: %w", id, BlockNotFound)
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}
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defer f.Close()
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var block Block
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err = json.NewDecoder(f).Decode(&block)
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if err != nil {
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return Block{}, fmt.Errorf("%q: %w", id, err)
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}
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return block, nil
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}
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