80 lines
1.7 KiB
Go
80 lines
1.7 KiB
Go
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// Package version deals with versioning of the software
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package version
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import (
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"log"
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"net/http"
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"golang.org/x/mod/semver"
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)
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type Info struct {
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CurrentVersion string `json:"current_version"`
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GithubVersion string `json:"github_version"`
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UpgradeAvailable bool `json:"upgrade_available"`
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GithubVersionFetched bool `json:"-"`
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}
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func (i *Info) UpdateGitHubVersion() error {
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i.GithubVersionFetched = false
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versionUrl := "https://api.github.com/repos/tardisx/gropple/releases"
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resp, err := http.Get(versionUrl)
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if err != nil {
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log.Fatal("Error getting response. ", err)
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}
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defer resp.Body.Close()
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b, err := io.ReadAll(resp.Body)
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if err != nil {
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return fmt.Errorf("failed to read body: %v", err)
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}
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type release struct {
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HTMLUrl string `json:"html_url"`
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TagName string `json:"tag_name"`
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Name string `json:"name"`
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}
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var releases []release
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err = json.Unmarshal(b, &releases)
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if err != nil {
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return fmt.Errorf("failed to read unmarshal: %v", err)
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}
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if len(releases) == 0 {
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log.Printf("found no releases on github?")
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return errors.New("no releases found")
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}
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i.GithubVersion = releases[0].Name
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i.GithubVersionFetched = true
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i.UpgradeAvailable = i.canUpgrade()
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return nil
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}
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func (i *Info) canUpgrade() bool {
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if !i.GithubVersionFetched {
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return false
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}
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log.Printf("We are %s, github is %s", i.CurrentVersion, i.GithubVersion)
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if !semver.IsValid(i.CurrentVersion) {
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log.Fatalf("current version %s is invalid", i.CurrentVersion)
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}
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if !semver.IsValid(i.GithubVersion) {
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log.Fatalf("github version %s is invalid", i.GithubVersion)
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}
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if semver.Compare(i.CurrentVersion, i.GithubVersion) == -1 {
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return true
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}
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return false
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}
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