33 lines
788 B
Go
33 lines
788 B
Go
package configloader
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import (
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"errors"
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"net/http"
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"strconv"
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)
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// Validates an institution ID.
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// A valid institution ID returns a HTTP 200 response code when queried
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// <instance_url> + "/institution/" + institution_id.
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// Returns either the entered instance URL or an error.
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func ValidateInstitutionId(institutionId int, instanceUrl string) (int, error) {
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if institutionId < 1 {
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return 0, errors.New("Institution ID cannot be negative")
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}
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resp, err := http.Get(instanceUrl + "/institution/" + strconv.Itoa(institutionId))
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if err != nil {
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return 0, err
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}
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if resp.StatusCode != 200 {
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return 0, errors.New("The institution page does not respond with HTTP 200, the institution does not seem to exist")
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}
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return institutionId, nil
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}
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