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mirror of https://github.com/jesseduffield/lazygit.git synced 2024-12-12 11:15:00 +02:00
lazygit/pkg/commands/hosting_service/hosting_service.go
2022-03-24 20:14:41 +11:00

186 lines
5.9 KiB
Go

package hosting_service
import (
"net/url"
"regexp"
"strings"
"github.com/go-errors/errors"
"github.com/jesseduffield/lazygit/pkg/i18n"
"github.com/jesseduffield/lazygit/pkg/utils"
"github.com/sirupsen/logrus"
"github.com/jesseduffield/generics/slices"
)
// This package is for handling logic specific to a git hosting service like github, gitlab, bitbucket, etc.
// Different git hosting services have different URL formats for when you want to open a PR or view a commit,
// and this package's responsibility is to determine which service you're using based on the remote URL,
// and then which URL you need for whatever use case you have.
type HostingServiceMgr struct {
log logrus.FieldLogger
tr *i18n.TranslationSet
remoteURL string // e.g. https://github.com/jesseduffield/lazygit
// see https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md#custom-pull-request-urls
configServiceDomains map[string]string
}
// NewHostingServiceMgr creates new instance of PullRequest
func NewHostingServiceMgr(log logrus.FieldLogger, tr *i18n.TranslationSet, remoteURL string, configServiceDomains map[string]string) *HostingServiceMgr {
return &HostingServiceMgr{
log: log,
tr: tr,
remoteURL: remoteURL,
configServiceDomains: configServiceDomains,
}
}
func (self *HostingServiceMgr) GetPullRequestURL(from string, to string) (string, error) {
gitService, err := self.getService()
if err != nil {
return "", err
}
if to == "" {
return gitService.getPullRequestURLIntoDefaultBranch(url.QueryEscape(from)), nil
} else {
return gitService.getPullRequestURLIntoTargetBranch(url.QueryEscape(from), url.QueryEscape(to)), nil
}
}
func (self *HostingServiceMgr) GetCommitURL(commitSha string) (string, error) {
gitService, err := self.getService()
if err != nil {
return "", err
}
pullRequestURL := gitService.getCommitURL(commitSha)
return pullRequestURL, nil
}
func (self *HostingServiceMgr) getService() (*Service, error) {
serviceDomain, err := self.getServiceDomain(self.remoteURL)
if err != nil {
return nil, err
}
repoURL, err := serviceDomain.serviceDefinition.getRepoURLFromRemoteURL(self.remoteURL, serviceDomain.webDomain)
if err != nil {
return nil, err
}
return &Service{
repoURL: repoURL,
ServiceDefinition: serviceDomain.serviceDefinition,
}, nil
}
func (self *HostingServiceMgr) getServiceDomain(repoURL string) (*ServiceDomain, error) {
candidateServiceDomains := self.getCandidateServiceDomains()
for _, serviceDomain := range candidateServiceDomains {
if strings.Contains(repoURL, serviceDomain.gitDomain) {
return &serviceDomain, nil
}
}
return nil, errors.New(self.tr.UnsupportedGitService)
}
func (self *HostingServiceMgr) getCandidateServiceDomains() []ServiceDomain {
serviceDefinitionByProvider := map[string]ServiceDefinition{}
for _, serviceDefinition := range serviceDefinitions {
serviceDefinitionByProvider[serviceDefinition.provider] = serviceDefinition
}
serviceDomains := slices.Clone(defaultServiceDomains)
if len(self.configServiceDomains) > 0 {
for gitDomain, typeAndDomain := range self.configServiceDomains {
splitData := strings.Split(typeAndDomain, ":")
if len(splitData) != 2 {
self.log.Errorf("Unexpected format for git service: '%s'. Expected something like 'github.com:github.com'", typeAndDomain)
continue
}
provider := splitData[0]
webDomain := splitData[1]
serviceDefinition, ok := serviceDefinitionByProvider[provider]
if !ok {
providerNames := slices.Map(serviceDefinitions, func(serviceDefinition ServiceDefinition) string {
return serviceDefinition.provider
})
self.log.Errorf("Unknown git service type: '%s'. Expected one of %s", provider, strings.Join(providerNames, ", "))
continue
}
serviceDomains = append(serviceDomains, ServiceDomain{
gitDomain: gitDomain,
webDomain: webDomain,
serviceDefinition: serviceDefinition,
})
}
}
return serviceDomains
}
// a service domains pairs a service definition with the actual domain it's being served from.
// Sometimes the git service is hosted in a custom domains so although it'll use say
// the github service definition, it'll actually be served from e.g. my-custom-github.com
type ServiceDomain struct {
gitDomain string // the one that appears in the git remote url
webDomain string // the one that appears in the web url
serviceDefinition ServiceDefinition
}
type ServiceDefinition struct {
provider string
pullRequestURLIntoDefaultBranch string
pullRequestURLIntoTargetBranch string
commitURL string
regexStrings []string
// can expect 'webdomain' to be passed in. Otherwise, you get to pick what we match in the regex
repoURLTemplate string
}
func (self ServiceDefinition) getRepoURLFromRemoteURL(url string, webDomain string) (string, error) {
for _, regexStr := range self.regexStrings {
re := regexp.MustCompile(regexStr)
input := utils.FindNamedMatches(re, url)
if input != nil {
input["webDomain"] = webDomain
return utils.ResolvePlaceholderString(self.repoURLTemplate, input), nil
}
}
return "", errors.New("Failed to parse repo information from url")
}
type Service struct {
repoURL string
ServiceDefinition
}
func (self *Service) getPullRequestURLIntoDefaultBranch(from string) string {
return self.resolveUrl(self.pullRequestURLIntoDefaultBranch, map[string]string{"From": from})
}
func (self *Service) getPullRequestURLIntoTargetBranch(from string, to string) string {
return self.resolveUrl(self.pullRequestURLIntoTargetBranch, map[string]string{"From": from, "To": to})
}
func (self *Service) getCommitURL(commitSha string) string {
return self.resolveUrl(self.commitURL, map[string]string{"CommitSha": commitSha})
}
func (self *Service) resolveUrl(templateString string, args map[string]string) string {
return self.repoURL + utils.ResolvePlaceholderString(templateString, args)
}