79 lines
2.2 KiB
Go
79 lines
2.2 KiB
Go
package bpod
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import (
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"encoding/json"
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"fmt"
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"math/rand"
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"tildegit.org/andinus/cetus/request"
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)
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// BPOD holds the response from the api.
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type BPOD struct {
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StartDate string `json:"startdate"`
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FullStartDate string `json:"fullstartdate"`
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EndDate string `json:"enddate"`
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URL string `json:"url"`
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URLBase string `json:"urlbase"`
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Copyright string `json:"copyright"`
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CopyrightLink string `json:"copyrightlink"`
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Title string `json:"title"`
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Hsh string `json:"hsh"`
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}
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// List holds the list of BPOD.
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type List struct {
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Photos []BPOD `json:"images"`
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}
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// MarshalJson takes res as input and returns body. This remarshaling
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// is required because of a bug. To learn about why this is required,
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// remove this function & then run `cetus set bpod -random`. Put a
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// `fmt.Println(res, body)` somewhere and look at how they differ. res
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// will contain a single entry but body will have all 7 entries which
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// is bad because body is cached to disk to view later.
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func MarshalJson(res BPOD) (string, error) {
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out, err := json.Marshal(res)
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if err != nil {
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err = fmt.Errorf("%s\n%s",
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"MarshalJson failed",
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err.Error())
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}
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body := string(out)
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return body, err
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}
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// UnmarshalJson will take body as input & unmarshal it to res,
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func UnmarshalJson(body string) (BPOD, error) {
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list := List{}
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res := BPOD{}
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err := json.Unmarshal([]byte(body), &list)
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if err != nil {
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return res, fmt.Errorf("UnmarshalJson failed\n%s", err.Error())
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}
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res = list.Photos[rand.Intn(len(list.Photos))]
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return res, nil
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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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// reqInfo is map[string]string and params is built from it,
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// currently it takes apiKey and the date from reqInfo to
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// build param. If any new key/value is added to reqInfo then
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// it must be addded here too, it won't be sent as param
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// directly.
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params := make(map[string]string)
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params["format"] = "js"
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params["n"] = "1"
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// if random is true then fetch 7 photos
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if reqInfo["random"] == "true" {
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params["n"] = "7"
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}
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body, err := request.GetRes(reqInfo["api"], params)
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return string(body), err
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}
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