wip: render feeds
Alan Pearce alan@alanpearce.eu
Mon, 15 Apr 2024 08:55:53 +0200
5 files changed, 111 insertions(+), 7 deletions(-)
A cmd/build/atom.go
@@ -0,0 +1,43 @@+package main + +import ( + "encoding/xml" + "time" + + . "alanpearce.eu/website/internal/config" +) + +func makeTagURI(config Config, specific string) string { + return "tag:" + config.OriginalDomain + "," + config.DomainStartDate + ":" + specific +} + +type Link struct { + XMLName xml.Name `xml:"link"` + Rel string `xml:"rel,attr"` + Type string `xml:"type,attr"` + Href string `xml:"href,attr"` +} + +func makeLink(url string) Link { + return Link{ + Rel: "alternate", + Type: "text/html", + Href: url, + } +} + +type FeedContent struct { + Content string `xml:",innerxml"` + Type string `xml:"type,attr"` +} + +type FeedEntry struct { + XMLName xml.Name `xml:"entry"` + Title string `xml:"title"` + Link Link `xml:"link"` + Id string `xml:"id"` + Updated time.Time `xml:"updated"` + Summary string `xml:"summary,omitempty"` + Author string `xml:"author>name"` + Content FeedContent `xml:"content"` +}
M go.mod → go.mod
@@ -7,10 +7,14 @@ github.com/BurntSushi/toml v1.2.1 // indirect github.com/PuerkitoBio/goquery v1.9.1 // indirect github.com/adrg/frontmatter v0.2.0 // indirect github.com/andybalholm/cascadia v1.3.2 // indirect + github.com/antchfx/xmlquery v1.4.0 // indirect + github.com/antchfx/xpath v1.3.0 // indirect github.com/deckarep/golang-set/v2 v2.6.0 // indirect + github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect github.com/yuin/goldmark v1.7.1 // indirect go.abhg.dev/goldmark/frontmatter v0.2.0 // indirect golang.org/x/net v0.21.0 // indirect + golang.org/x/text v0.14.0 // indirect gopkg.in/yaml.v2 v2.3.0 // indirect gopkg.in/yaml.v3 v3.0.1 // indirect )
M go.sum → go.sum
@@ -7,8 +7,14 @@ github.com/adrg/frontmatter v0.2.0 h1:/DgnNe82o03riBd1S+ZDjd43wAmC6W35q67NHeLkPd4= github.com/adrg/frontmatter v0.2.0/go.mod h1:93rQCj3z3ZlwyxxpQioRKC1wDLto4aXHrbqIsnH9wmE= github.com/andybalholm/cascadia v1.3.2 h1:3Xi6Dw5lHF15JtdcmAHD3i1+T8plmv7BQ/nsViSLyss= github.com/andybalholm/cascadia v1.3.2/go.mod h1:7gtRlve5FxPPgIgX36uWBX58OdBsSS6lUvCFb+h7KvU= +github.com/antchfx/xmlquery v1.4.0 h1:xg2HkfcRK2TeTbdb0m1jxCYnvsPaGY/oeZWTGqX/0hA= +github.com/antchfx/xmlquery v1.4.0/go.mod h1:Ax2aeaeDjfIw3CwXKDQ0GkwZ6QlxoChlIBP+mGnDFjI= +github.com/antchfx/xpath v1.3.0 h1:nTMlzGAK3IJ0bPpME2urTuFL76o4A96iYvoKFHRXJgc= +github.com/antchfx/xpath v1.3.0/go.mod h1:i54GszH55fYfBmoZXapTHN8T8tkcHfRgLyVwwqzXNcs= github.com/deckarep/golang-set/v2 v2.6.0 h1:XfcQbWM1LlMB8BsJ8N9vW5ehnnPVIw0je80NsVHagjM= github.com/deckarep/golang-set/v2 v2.6.0/go.mod h1:VAky9rY/yGXJOLEDv3OMci+7wtDpOF4IN+y82NBOac4= +github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE= +github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= github.com/yuin/goldmark v1.7.1 h1:3bajkSilaCbjdKVsKdZjZCLBNPL9pYzrCakKaf4U49U= github.com/yuin/goldmark v1.7.1/go.mod h1:uzxRWxtg69N339t3louHJ7+O03ezfj6PlliRlaOzY1E= @@ -22,6 +28,7 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs= +golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs= golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns= golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4= golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44= @@ -44,6 +51,8 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8= +golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ= +golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
M src/build.go → cmd/build/main.go
@@ -2,6 +2,7 @@ package main import ( "bytes" + "encoding/xml" "fmt" "log" "os" @@ -11,8 +12,11 @@ "slices" "strings" "time" + . "alanpearce.eu/website/internal/config" + "github.com/PuerkitoBio/goquery" "github.com/adrg/frontmatter" + "github.com/antchfx/xmlquery" mapset "github.com/deckarep/golang-set/v2" "github.com/yuin/goldmark" "github.com/yuin/goldmark/extension" @@ -196,9 +200,51 @@ check(err) return html } +func renderFeed(title string, config Config, posts []Post, specific string) string { + reader, err := os.Open("templates/feed.xml") + check(err) + doc, err := xmlquery.Parse(reader) + feed := doc.SelectElement("feed") + feed.SelectElement("title").FirstChild.Data = title + feed.SelectElement("link").SetAttr("href", config.BaseURL) + feed.SelectElement("id").FirstChild.Data = makeTagURI(config, specific) + datetime, err := posts[0].Date.MarshalText() + feed.SelectElement("updated").FirstChild.Data = string(datetime) + tpl := feed.SelectElement("entry") + xmlquery.RemoveFromTree(tpl) + + for _, post := range posts { + text, err := xml.MarshalIndent(&FeedEntry{ + Title: post.Title, + Link: makeLink(post.URL), + Id: makeTagURI(config, post.Basename), + Updated: post.Date, + Summary: post.Description, + Author: config.Title, + Content: FeedContent{ + Content: post.Content, + Type: "html", + }, + }, " ", " ") + check(err) + entry, err := xmlquery.ParseWithOptions(strings.NewReader(string(text)), xmlquery.ParserOptions{ + Decoder: &xmlquery.DecoderOptions{ + Strict: false, + AutoClose: xml.HTMLAutoClose, + Entity: xml.HTMLEntity, + }, + }) + check(err) + xmlquery.AddChild(feed, entry.SelectElement("entry")) + } + + return doc.OutputXML(true) +} + func main() { - config := getConfig() - err := os.MkdirAll("public/post", 0755) + err, config := GetConfig() + check(err) + err = os.MkdirAll("public/post", 0755) check(err) log.Print("Generating site...") posts, tags := readPosts("content", "post", "public") @@ -229,10 +275,12 @@ // err = os.WriteFile(path.Join("public", "tags", tag, "index.html"), []byte(tagPage), 0755) // check(err) // TODO: tag atom + // fmt.Printf("%+v\n", renderFeed(fmt.Sprintf("%s - %s", config.Title, tag), config, matchingPosts, tag)) - fmt.Printf("%+v\n", renderListPage("", config, posts)) + // fmt.Printf("%+v\n", renderListPage("", config, posts)) // TODO: atom + // fmt.Printf("%+v\n", renderFeed(config.Title, config, posts, "feed")) // TODO: renderFeedStyles @@ -242,4 +290,5 @@ // TODO: render404Page } fmt.Printf("%+v\n", tags) + fmt.Println() }
M src/config.go → internal/config/config.go
@@ -1,4 +1,4 @@-package main +package config import ( "github.com/BurntSushi/toml" @@ -30,9 +30,8 @@ } Menus map[string][]MenuItem } -func getConfig() Config { +func GetConfig() (error, Config) { config := Config{} _, err := toml.DecodeFile("config.toml", &config) - check(err) - return config + return err, config }