65 lines
1.9 KiB
Go
65 lines
1.9 KiB
Go
package apod
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import (
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"encoding/json"
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"fmt"
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"regexp"
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"tildegit.org/andinus/cetus/request"
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)
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// APOD holds the response from the api. Not every field is returned
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// in every request. Code & Msg should be filled only if the api
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// returns an error, this behaviour was observed and shouldn't be
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// trusted.
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type APOD struct {
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Copyright string `json:"copyright"`
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Date string `json:"date"`
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Explanation string `json:"explanation"`
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HDURL string `json:"hdurl"`
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MediaType string `json:"media_type"`
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ServiceVersion string `json:"service_version"`
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Title string `json:"title"`
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URL string `json:"url"`
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Code int `json:"code"`
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Msg string `json:"msg"`
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}
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// UnmarshalJson will take body as input & unmarshal it to res.
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func UnmarshalJson(res *APOD, body string) error {
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err := json.Unmarshal([]byte(body), res)
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if err != nil {
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err = fmt.Errorf("json.go: unmarshalling json failed\n%s",
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err.Error())
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}
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return err
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}
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// GetJson takes reqInfo as input and returns the body and an error.
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func GetJson(reqInfo map[string]string) (string, error) {
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var body string
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var err error
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// This regexp is not perfect and does not guarantee that the
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// request will not fail because of wrong date, this will
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// eliminate many wrong dates though.
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re := regexp.MustCompile("((19|20)\\d\\d)-(0?[1-9]|1[012])-(0?[1-9]|[12][0-9]|3[01])")
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if !re.MatchString(reqInfo["date"]) {
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err = fmt.Errorf("json.go: %s does not match format 'YYYY-MM-DD'",
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reqInfo["date"])
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return body, err
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}
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// reqInfo is map[string]string and params is built from it, currently
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// it takes apiKey and the date from reqInfo to build param. If any
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// new key/value is added to reqInfo then it must be addded here too,
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// it won't be sent as param directly.
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params := make(map[string]string)
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params["api_key"] = reqInfo["apiKey"]
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params["date"] = reqInfo["date"]
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body, err = request.GetRes(reqInfo["api"], params)
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return body, err
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}
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