forked from Plemya-x/ALR
37 lines
833 B
Go
37 lines
833 B
Go
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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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