96 lines
1.9 KiB
Go
96 lines
1.9 KiB
Go
package core
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import (
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"encoding/json"
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"fmt"
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"github.com/dosco/super-graph/core/internal/psql"
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"github.com/dosco/super-graph/jsn"
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)
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// argList function is used to create a list of arguments to pass
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// to a prepared statement.
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func (c *scontext) argList(md psql.Metadata) ([]interface{}, error) {
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vars := make([]interface{}, len(md.Params))
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var fields map[string]json.RawMessage
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var err error
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if len(c.vars) != 0 {
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fields, _, err = jsn.Tree(c.vars)
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if err != nil {
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return nil, err
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}
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}
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for i, p := range md.Params {
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switch p.Name {
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case "user_id":
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if v := c.Value(UserIDKey); v != nil {
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vars[i] = v.(string)
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} else {
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return nil, argErr(p)
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}
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case "user_id_provider":
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if v := c.Value(UserIDProviderKey); v != nil {
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vars[i] = v.(string)
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} else {
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return nil, argErr(p)
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}
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case "user_role":
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if v := c.Value(UserRoleKey); v != nil {
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vars[i] = v.(string)
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} else {
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return nil, argErr(p)
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}
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case "cursor":
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if v, ok := fields["cursor"]; ok && v[0] == '"' {
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v1, err := c.sg.decrypt(string(v[1 : len(v)-1]))
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if err != nil {
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return nil, err
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}
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vars[i] = v1
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} else {
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return nil, argErr(p)
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}
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default:
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if v, ok := fields[p.Name]; ok {
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switch {
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case p.IsArray && v[0] != '[':
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return nil, fmt.Errorf("variable '%s' should be an array of type '%s'", p.Name, p.Type)
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case p.Type == "json" && v[0] != '[' && v[0] != '{':
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return nil, fmt.Errorf("variable '%s' should be an array or object", p.Name)
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}
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switch v[0] {
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case '[', '{':
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vars[i] = v
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default:
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var val interface{}
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if err := json.Unmarshal(v, &val); err != nil {
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return nil, err
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}
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vars[i] = val
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}
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} else {
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return nil, argErr(p)
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}
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}
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}
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return vars, nil
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}
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func argErr(p psql.Param) error {
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return fmt.Errorf("required variable '%s' of type '%s' must be set", p.Name, p.Type)
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}
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