53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
// ALR - Any Linux Repository
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// Copyright (C) 2025 The ALR Authors
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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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package db
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import (
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"database/sql/driver"
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"encoding/json"
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"errors"
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"golang.org/x/exp/slices"
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"modernc.org/sqlite"
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)
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func init() {
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sqlite.MustRegisterScalarFunction("json_array_contains", 2, jsonArrayContains)
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}
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// jsonArrayContains is an SQLite function that checks if a JSON array
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// in the database contains a given value
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func jsonArrayContains(ctx *sqlite.FunctionContext, args []driver.Value) (driver.Value, error) {
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value, ok := args[0].(string)
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if !ok {
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return nil, errors.New("both arguments to json_array_contains must be strings")
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}
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item, ok := args[1].(string)
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if !ok {
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return nil, errors.New("both arguments to json_array_contains must be strings")
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}
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var array []string
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err := json.Unmarshal([]byte(value), &array)
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if err != nil {
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return nil, err
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}
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return slices.Contains(array, item), nil
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}
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