429 lines
12 KiB
Go
429 lines
12 KiB
Go
package website
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"html/template"
|
|
"net/http"
|
|
"net/url"
|
|
"regexp"
|
|
"time"
|
|
|
|
"git.handmade.network/hmn/hmn/src/db"
|
|
"git.handmade.network/hmn/hmn/src/hmnurl"
|
|
"git.handmade.network/hmn/hmn/src/models"
|
|
"git.handmade.network/hmn/hmn/src/parsing"
|
|
"git.handmade.network/hmn/hmn/src/templates"
|
|
"git.handmade.network/hmn/hmn/src/utils"
|
|
)
|
|
|
|
func EducationIndex(c *RequestContext) ResponseData {
|
|
type indexData struct {
|
|
templates.BaseData
|
|
Articles []templates.EduArticle
|
|
NewArticleUrl string
|
|
}
|
|
|
|
articles, err := fetchEduArticles(c, c.Conn, models.EduArticleTypeArticle, c.CurrentUser)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
var tmplArticles []templates.EduArticle
|
|
for _, article := range articles {
|
|
tmplArticles = append(tmplArticles, templates.EducationArticleToTemplate(&article))
|
|
}
|
|
|
|
tmpl := indexData{
|
|
BaseData: getBaseData(c, "Handmade Education", nil),
|
|
Articles: tmplArticles,
|
|
NewArticleUrl: hmnurl.BuildEducationArticleNew(),
|
|
}
|
|
|
|
var res ResponseData
|
|
res.MustWriteTemplate("education_index.html", tmpl, c.Perf)
|
|
return res
|
|
}
|
|
|
|
func EducationGlossary(c *RequestContext) ResponseData {
|
|
type glossaryData struct {
|
|
templates.BaseData
|
|
}
|
|
|
|
tmpl := glossaryData{
|
|
BaseData: getBaseData(c, "Handmade Education", nil),
|
|
}
|
|
|
|
var res ResponseData
|
|
res.MustWriteTemplate("education_glossary.html", tmpl, c.Perf)
|
|
return res
|
|
}
|
|
|
|
var reEduEditorsNote = regexp.MustCompile(`<span\s*class="note".*?>.*?</span>`)
|
|
|
|
func EducationArticle(c *RequestContext) ResponseData {
|
|
type articleData struct {
|
|
templates.BaseData
|
|
Article templates.EduArticle
|
|
EditUrl string
|
|
DeleteUrl string
|
|
}
|
|
|
|
article, err := fetchEduArticle(c, c.Conn, c.PathParams["slug"], models.EduArticleTypeArticle, c.CurrentUser)
|
|
if errors.Is(err, db.NotFound) {
|
|
return FourOhFour(c)
|
|
} else if err != nil {
|
|
return c.ErrorResponse(http.StatusInternalServerError, err)
|
|
}
|
|
|
|
tmpl := articleData{
|
|
BaseData: getBaseData(c, article.Title, nil),
|
|
Article: templates.EducationArticleToTemplate(article),
|
|
EditUrl: hmnurl.BuildEducationArticleEdit(article.Slug),
|
|
DeleteUrl: hmnurl.BuildEducationArticleDelete(article.Slug),
|
|
}
|
|
tmpl.OpenGraphItems = append(tmpl.OpenGraphItems,
|
|
templates.OpenGraphItem{Property: "og:description", Value: string(article.Description)},
|
|
)
|
|
tmpl.Breadcrumbs = []templates.Breadcrumb{
|
|
{Name: "Education", Url: hmnurl.BuildEducationIndex()},
|
|
{Name: article.Title, Url: hmnurl.BuildEducationArticle(article.Slug)},
|
|
}
|
|
|
|
// Remove editor's notes
|
|
if c.CurrentUser == nil || !c.CurrentUser.CanAuthorEducation() {
|
|
tmpl.Article.Content = template.HTML(reEduEditorsNote.ReplaceAllLiteralString(string(tmpl.Article.Content), ""))
|
|
}
|
|
|
|
var res ResponseData
|
|
res.MustWriteTemplate("education_article.html", tmpl, c.Perf)
|
|
return res
|
|
}
|
|
|
|
func EducationArticleNew(c *RequestContext) ResponseData {
|
|
type adminData struct {
|
|
editorData
|
|
Article map[string]interface{}
|
|
}
|
|
|
|
tmpl := adminData{
|
|
editorData: getEditorDataForEduArticle(c.UrlContext, c.CurrentUser, getBaseData(c, "New Education Article", nil), nil),
|
|
}
|
|
tmpl.editorData.SubmitUrl = hmnurl.BuildEducationArticleNew()
|
|
|
|
var res ResponseData
|
|
res.MustWriteTemplate("editor.html", tmpl, c.Perf)
|
|
return res
|
|
}
|
|
|
|
func EducationArticleNewSubmit(c *RequestContext) ResponseData {
|
|
form, err := c.GetFormValues()
|
|
if err != nil {
|
|
return c.ErrorResponse(http.StatusBadRequest, err)
|
|
}
|
|
|
|
art, ver := getEduArticleFromForm(form)
|
|
|
|
dupe := 0 < db.MustQueryOneScalar[int](c, c.Conn,
|
|
`
|
|
SELECT COUNT(*) FROM education_article
|
|
WHERE slug = $1
|
|
`,
|
|
art.Slug,
|
|
)
|
|
if dupe {
|
|
return c.RejectRequest("A resource already exists with that slug.")
|
|
}
|
|
|
|
createEduArticle(c, art, ver)
|
|
|
|
res := c.Redirect(eduArticleURL(&art), http.StatusSeeOther)
|
|
res.AddFutureNotice("success", "Created new education article.")
|
|
return res
|
|
}
|
|
|
|
func EducationArticleEdit(c *RequestContext) ResponseData {
|
|
type adminData struct {
|
|
editorData
|
|
Article templates.EduArticle
|
|
}
|
|
|
|
article, err := fetchEduArticle(c, c.Conn, c.PathParams["slug"], 0, c.CurrentUser)
|
|
if errors.Is(err, db.NotFound) {
|
|
return FourOhFour(c)
|
|
} else if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
tmpl := adminData{
|
|
editorData: getEditorDataForEduArticle(c.UrlContext, c.CurrentUser, getBaseData(c, "Edit Education Article", nil), article),
|
|
Article: templates.EducationArticleToTemplate(article),
|
|
}
|
|
tmpl.editorData.SubmitUrl = hmnurl.BuildEducationArticleEdit(c.PathParams["slug"])
|
|
|
|
var res ResponseData
|
|
res.MustWriteTemplate("editor.html", tmpl, c.Perf)
|
|
return res
|
|
}
|
|
|
|
func EducationArticleEditSubmit(c *RequestContext) ResponseData {
|
|
form, err := c.GetFormValues()
|
|
if err != nil {
|
|
return c.ErrorResponse(http.StatusBadRequest, err)
|
|
}
|
|
|
|
_, err = fetchEduArticle(c, c.Conn, c.PathParams["slug"], 0, c.CurrentUser)
|
|
if errors.Is(err, db.NotFound) {
|
|
return FourOhFour(c)
|
|
} else if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
art, ver := getEduArticleFromForm(form)
|
|
updateEduArticle(c, c.PathParams["slug"], art, ver)
|
|
|
|
res := c.Redirect(eduArticleURL(&art), http.StatusSeeOther)
|
|
res.AddFutureNotice("success", "Edited education article.")
|
|
return res
|
|
}
|
|
|
|
func EducationArticleDelete(c *RequestContext) ResponseData {
|
|
article, err := fetchEduArticle(c, c.Conn, c.PathParams["slug"], 0, c.CurrentUser)
|
|
if errors.Is(err, db.NotFound) {
|
|
return FourOhFour(c)
|
|
} else if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
type deleteData struct {
|
|
templates.BaseData
|
|
Article templates.EduArticle
|
|
SubmitUrl string
|
|
}
|
|
|
|
baseData := getBaseData(c, fmt.Sprintf("Deleting \"%s\"", article.Title), nil)
|
|
|
|
var res ResponseData
|
|
res.MustWriteTemplate("education_article_delete.html", deleteData{
|
|
BaseData: baseData,
|
|
Article: templates.EducationArticleToTemplate(article),
|
|
SubmitUrl: hmnurl.BuildEducationArticleDelete(article.Slug),
|
|
}, c.Perf)
|
|
return res
|
|
}
|
|
|
|
func EducationArticleDeleteSubmit(c *RequestContext) ResponseData {
|
|
_, err := c.Conn.Exec(c, `DELETE FROM education_article WHERE slug = $1`, c.PathParams["slug"])
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
res := c.Redirect(hmnurl.BuildEducationIndex(), http.StatusSeeOther)
|
|
res.AddFutureNotice("success", "Article deleted.")
|
|
return res
|
|
}
|
|
|
|
func fetchEduArticles(
|
|
ctx context.Context,
|
|
dbConn db.ConnOrTx,
|
|
t models.EduArticleType,
|
|
currentUser *models.User,
|
|
) ([]models.EduArticle, error) {
|
|
type eduArticleResult struct {
|
|
Article models.EduArticle `db:"a"`
|
|
CurrentVersion models.EduArticleVersion `db:"v"`
|
|
}
|
|
|
|
var qb db.QueryBuilder
|
|
qb.Add(`
|
|
SELECT $columns
|
|
FROM
|
|
education_article AS a
|
|
JOIN education_article_version AS v ON a.current_version = v.id
|
|
WHERE
|
|
TRUE
|
|
`)
|
|
if t != 0 {
|
|
qb.Add(`AND a.type = $?`, t)
|
|
}
|
|
if currentUser == nil || !currentUser.CanSeeUnpublishedEducationContent() {
|
|
qb.Add(`AND NOT a.published`)
|
|
}
|
|
|
|
articles, err := db.Query[eduArticleResult](ctx, dbConn, qb.String(), qb.Args()...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var res []models.EduArticle
|
|
for _, article := range articles {
|
|
ver := article.CurrentVersion
|
|
article.Article.CurrentVersion = &ver
|
|
res = append(res, article.Article)
|
|
}
|
|
|
|
return res, nil
|
|
}
|
|
|
|
func fetchEduArticle(
|
|
ctx context.Context,
|
|
dbConn db.ConnOrTx,
|
|
slug string,
|
|
t models.EduArticleType,
|
|
currentUser *models.User,
|
|
) (*models.EduArticle, error) {
|
|
type eduArticleResult struct {
|
|
Article models.EduArticle `db:"a"`
|
|
CurrentVersion models.EduArticleVersion `db:"v"`
|
|
}
|
|
|
|
var qb db.QueryBuilder
|
|
qb.Add(
|
|
`
|
|
SELECT $columns
|
|
FROM
|
|
education_article AS a
|
|
JOIN education_article_version AS v ON a.current_version = v.id
|
|
WHERE
|
|
a.slug = $?
|
|
`,
|
|
slug,
|
|
)
|
|
if t != 0 {
|
|
qb.Add(`AND a.type = $?`, t)
|
|
}
|
|
if currentUser == nil || !currentUser.CanSeeUnpublishedEducationContent() {
|
|
qb.Add(`AND NOT a.published`)
|
|
}
|
|
|
|
res, err := db.QueryOne[eduArticleResult](ctx, dbConn, qb.String(), qb.Args()...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
res.Article.CurrentVersion = &res.CurrentVersion
|
|
return &res.Article, nil
|
|
}
|
|
|
|
func getEditorDataForEduArticle(
|
|
urlContext *hmnurl.UrlContext,
|
|
currentUser *models.User,
|
|
baseData templates.BaseData,
|
|
article *models.EduArticle,
|
|
) editorData {
|
|
result := editorData{
|
|
BaseData: baseData,
|
|
SubmitLabel: "Submit",
|
|
|
|
CanEditPostTitle: true,
|
|
ShowEduOptions: true,
|
|
PreviewClass: "edu-article",
|
|
|
|
TextEditor: templates.TextEditor{
|
|
ParserName: "parseMarkdownEdu",
|
|
MaxFileSize: AssetMaxSize(currentUser),
|
|
UploadUrl: urlContext.BuildAssetUpload(),
|
|
},
|
|
}
|
|
|
|
if article != nil {
|
|
result.PostTitle = article.Title
|
|
result.EditInitialContents = article.CurrentVersion.ContentRaw
|
|
}
|
|
|
|
return result
|
|
}
|
|
|
|
func getEduArticleFromForm(form url.Values) (art models.EduArticle, ver models.EduArticleVersion) {
|
|
art.Title = form.Get("title")
|
|
art.Slug = form.Get("slug")
|
|
art.Description = form.Get("description")
|
|
switch form.Get("type") {
|
|
case "article":
|
|
art.Type = models.EduArticleTypeArticle
|
|
case "glossary":
|
|
art.Type = models.EduArticleTypeGlossary
|
|
default:
|
|
panic(fmt.Errorf("unknown education article type: %s", form.Get("type")))
|
|
}
|
|
art.Published = form.Get("published") != ""
|
|
|
|
ver.ContentRaw = form.Get("body")
|
|
ver.ContentHTML = parsing.ParseMarkdown(ver.ContentRaw, parsing.EducationRealMarkdown)
|
|
|
|
return
|
|
}
|
|
|
|
func createEduArticle(c *RequestContext, art models.EduArticle, ver models.EduArticleVersion) {
|
|
tx := utils.Must1(c.Conn.Begin(c))
|
|
defer tx.Rollback(c)
|
|
{
|
|
articleID := db.MustQueryOneScalar[int](c, tx,
|
|
`
|
|
INSERT INTO education_article (title, slug, description, published, type, current_version)
|
|
VALUES ($1, $2, $3, $4, $5, -1)
|
|
RETURNING id
|
|
`,
|
|
art.Title, art.Slug, art.Description, art.Published, art.Type,
|
|
)
|
|
versionID := db.MustQueryOneScalar[int](c, tx,
|
|
`
|
|
INSERT INTO education_article_version (article_id, date, editor_id, content_raw, content_html)
|
|
VALUES ($1, $2, $3, $4, $5 )
|
|
RETURNING id
|
|
`,
|
|
articleID, time.Now(), c.CurrentUser.ID, ver.ContentRaw, ver.ContentHTML,
|
|
)
|
|
tx.Exec(c,
|
|
`UPDATE education_article SET current_version = $1 WHERE id = $2`,
|
|
versionID, articleID,
|
|
)
|
|
}
|
|
utils.Must(tx.Commit(c))
|
|
}
|
|
|
|
func updateEduArticle(c *RequestContext, slug string, art models.EduArticle, ver models.EduArticleVersion) {
|
|
tx := utils.Must1(c.Conn.Begin(c))
|
|
defer tx.Rollback(c)
|
|
{
|
|
articleID := db.MustQueryOneScalar[int](c, tx,
|
|
`SELECT id FROM education_article WHERE slug = $1`,
|
|
slug,
|
|
)
|
|
versionID := db.MustQueryOneScalar[int](c, tx,
|
|
`
|
|
INSERT INTO education_article_version (article_id, date, editor_id, content_raw, content_html)
|
|
VALUES ($1, $2, $3, $4, $5 )
|
|
RETURNING id
|
|
`,
|
|
articleID, time.Now(), c.CurrentUser.ID, ver.ContentRaw, ver.ContentHTML,
|
|
)
|
|
tx.Exec(c,
|
|
`
|
|
UPDATE education_article
|
|
SET
|
|
title = $1, slug = $2, description = $3, published = $4, type = $5,
|
|
current_version = $6
|
|
WHERE
|
|
id = $7
|
|
`,
|
|
art.Title, art.Slug, art.Description, art.Published, art.Type,
|
|
versionID,
|
|
articleID,
|
|
)
|
|
}
|
|
utils.Must(tx.Commit(c))
|
|
}
|
|
|
|
func eduArticleURL(a *models.EduArticle) string {
|
|
switch a.Type {
|
|
case models.EduArticleTypeArticle:
|
|
return hmnurl.BuildEducationArticle(a.Slug)
|
|
case models.EduArticleTypeGlossary:
|
|
return hmnurl.BuildEducationGlossary(a.Slug)
|
|
default:
|
|
panic("unknown education article type")
|
|
}
|
|
}
|