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model.go
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model.go
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package quickstarts
import (
"fmt"
"io"
"sort"
"strings"
"github.com/jenkins-x/jx/pkg/gits"
"github.com/jenkins-x/jx/pkg/util"
"gopkg.in/AlecAivazis/survey.v1"
"gopkg.in/AlecAivazis/survey.v1/terminal"
)
const (
// JenkinsXQuickstartsOwner default quickstart owner
JenkinsXQuickstartsOwner = "jenkins-x-quickstarts"
)
// GitQuickstart returns a github based quickstart
func GitQuickstart(provider gits.GitProvider, owner string, repo string, language string, framework string, tags ...string) *Quickstart {
u := provider.BranchArchiveURL(owner, repo, "master")
return &Quickstart{
ID: owner + "/" + repo,
Owner: owner,
Name: repo,
Language: language,
Framework: framework,
Tags: tags,
DownloadZipURL: u,
GitProvider: provider,
}
}
func toGitHubQuickstart(provider gits.GitProvider, owner string, repo *gits.GitRepository) *Quickstart {
language := repo.Language
// TODO find this from GitHub???
framework := ""
tags := []string{}
return GitQuickstart(provider, owner, repo.Name, language, framework, tags...)
}
// LoadGithubQuickstarts Loads quickstarts from github
func (model *QuickstartModel) LoadGithubQuickstarts(provider gits.GitProvider, owner string, includes []string, excludes []string) error {
repos, err := provider.ListRepositories(owner)
if err != nil {
return err
}
for _, repo := range repos {
name := repo.Name
if util.StringMatchesAny(name, includes, excludes) {
model.Add(toGitHubQuickstart(provider, owner, repo))
}
}
return nil
}
// NewQuickstartModel creates a new quickstart model
func NewQuickstartModel() *QuickstartModel {
return &QuickstartModel{
Quickstarts: map[string]*Quickstart{},
}
}
// Add adds the given quickstart to this mode. Returns true if it was added
func (model *QuickstartModel) Add(q *Quickstart) bool {
if q != nil {
id := q.ID
if id != "" {
model.Quickstarts[id] = q
return true
}
}
return false
}
// CreateSurvey creates a survey to query pick a quickstart
func (model *QuickstartModel) CreateSurvey(filter *QuickstartFilter, batchMode bool, in terminal.FileReader, out terminal.FileWriter, errOut io.Writer) (*QuickstartForm, error) {
surveyOpts := survey.WithStdio(in, out, errOut)
language := filter.Language
if language != "" {
languages := model.Languages()
if len(languages) == 0 {
// lets ignore this filter as there are none available
filter.Language = ""
} else {
lower := strings.ToLower(language)
lowerLanguages := util.StringArrayToLower(languages)
if util.StringArrayIndex(lowerLanguages, lower) < 0 {
return nil, util.InvalidOption("language", language, languages)
}
}
}
quickstarts := model.Filter(filter)
names := []string{}
m := map[string]*Quickstart{}
for _, q := range quickstarts {
name := q.SurveyName()
m[name] = q
names = append(names, name)
}
sort.Strings(names)
if len(names) == 0 {
return nil, fmt.Errorf("No quickstarts match filter")
}
answer := ""
if len(names) == 1 {
// if there's only a single option, use it
answer = names[0]
} else if batchMode {
// should not prompt for selection in batch mode so return an error
return nil, fmt.Errorf("More than one quickstart matches the current filter options. Try filtering based on other criteria (eg. Owner or Text)")
} else {
// if no single answer after filtering and we're not in batch mode then prompt
prompt := &survey.Select{
Message: "select the quickstart you wish to create",
Options: names,
}
err := survey.AskOne(prompt, &answer, survey.Required, surveyOpts)
if err != nil {
return nil, err
}
}
if answer == "" {
return nil, fmt.Errorf("No quickstart chosen")
}
q := m[answer]
if q == nil {
return nil, fmt.Errorf("Could not find chosen quickstart for %s", answer)
}
name := filter.ProjectName
if !batchMode {
if name == "" {
name = q.Name
var err error
name, err = util.PickValue("Project name", name, true, "", in, out, errOut)
if err != nil {
return nil, err
}
}
}
if name == "" {
return nil, fmt.Errorf("No project name")
}
form := &QuickstartForm{
Quickstart: q,
Name: name,
}
return form, nil
}
// Filter filters all the available quickstarts with the filter and return the matches
func (model *QuickstartModel) Filter(filter *QuickstartFilter) []*Quickstart {
answer := []*Quickstart{}
for _, q := range model.Quickstarts {
if filter.Matches(q) {
// If the filter matches a quickstart name exactly, return only that quickstart
if q.Name == filter.Text {
return []*Quickstart{q}
}
answer = append(answer, q)
}
}
return answer
}
// Languages returns all the languages in the quickstarts sorted
func (model *QuickstartModel) Languages() []string {
m := map[string]string{}
for _, q := range model.Quickstarts {
l := q.Language
if l != "" {
m[l] = l
}
}
return util.SortedMapKeys(m)
}