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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| package internal | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "net/http" | ||
| "time" | ||
|
|
||
| "github.com/Masterminds/semver/v3" | ||
| ) | ||
|
|
||
| const eolBaseURL = "https://endoflife.date/api" | ||
|
|
||
| func GetEolDate(eolID, version string) (string, error) { | ||
| cycleList, err := getProjectCycleList(eolID) | ||
| if err != nil { | ||
| return "", fmt.Errorf("could not fetch cycle list: %w", err) | ||
| } | ||
|
|
||
| cycle, err := selectCycle(version, cycleList) | ||
| if err != nil { | ||
| return "", fmt.Errorf("could not find a relese cycle: %w", err) | ||
| } | ||
|
|
||
| if cycle.EOL == "" { | ||
| return "", nil | ||
| } | ||
|
|
||
| eol, err := time.Parse(time.DateOnly, cycle.EOL) | ||
| if err != nil { | ||
| return "", fmt.Errorf("could not parse eol %q: %w", cycle.EOL, err) | ||
| } | ||
|
|
||
| return eol.Format(time.RFC3339), nil | ||
| } | ||
|
|
||
| func selectCycle(version string, cycles cycleList) (*cycle, error) { | ||
| versionParsed, err := semver.NewVersion(version) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| for _, v := range []string{fmt.Sprintf("%d.%d", versionParsed.Major(), versionParsed.Minor()), fmt.Sprintf("%d", versionParsed.Major())} { | ||
| for _, c := range cycles { | ||
| if c.Cycle == v { | ||
| return c, nil | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return nil, fmt.Errorf("no release cycle found for the version %s", version) | ||
| } | ||
|
|
||
| func getProjectCycleList(id string) (cycleList, error) { | ||
| res, err := http.Get(fmt.Sprintf("%s/%s.json", eolBaseURL, id)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| defer res.Body.Close() | ||
|
|
||
| if res.StatusCode != http.StatusOK { | ||
| return nil, fmt.Errorf("failed to fetch release cycles, status: %d", res.StatusCode) | ||
| } | ||
|
|
||
| cycles := cycleList{} | ||
| if err := json.NewDecoder(res.Body).Decode(&cycles); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return cycles, nil | ||
| } | ||
|
|
||
| type cycleList []*cycle | ||
|
|
||
| type cycle struct { | ||
| Cycle string | ||
| EOL string | ||
| } | ||
|
|
||
| func (c *cycle) UnmarshalJSON(data []byte) error { | ||
| var i map[string]interface{} | ||
|
|
||
| if err := json.Unmarshal(data, &i); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if val, ok := i["cycle"]; ok { | ||
| switch t := val.(type) { | ||
| case string: | ||
| c.Cycle = t | ||
| case int, float64: | ||
| c.Cycle = fmt.Sprintf("%d", t) | ||
| default: | ||
| return fmt.Errorf("invalid type of the \"cycle\" field: %T", t) | ||
| } | ||
| } | ||
|
|
||
| if val, ok := i["eol"]; ok { | ||
| switch t := val.(type) { | ||
| case string: | ||
| c.EOL = t | ||
| case bool: | ||
| c.EOL = "" | ||
| default: | ||
| return fmt.Errorf("invalid type of the \"eol\" field: %T", t) | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |
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