Rewrite in Go

12 files changed, 653 insertions, 0 deletions

diff --git a/web/command/handler/create.go b/web/command/handler/create.go
new file mode 100644
index 0000000..21c6b1a
--- /dev/null
+++ b/web/command/handler/create.go
@@ -0,0 +1,53 @@
+package handler
+
+import (
+	"fmt"
+	"net/http"
+	"path"
+
+	"github.com/LMBishop/scrapbook/pkg/config"
+	"github.com/LMBishop/scrapbook/pkg/constants"
+	"github.com/LMBishop/scrapbook/pkg/index"
+	"github.com/LMBishop/scrapbook/pkg/site"
+	"github.com/LMBishop/scrapbook/web/command/html"
+	. "maragu.dev/gomponents"
+	ghttp "maragu.dev/gomponents/http"
+)
+
+func GetCreate() func(http.ResponseWriter, *http.Request) {
+	return ghttp.Adapt(func(w http.ResponseWriter, r *http.Request) (Node, error) {
+		return html.CreatePage("", "", html.CreatePageForm{}), nil
+	})
+}
+
+func PostCreate(mainConfig *config.MainConfig, index *index.SiteIndex) func(http.ResponseWriter, *http.Request) {
+	return ghttp.Adapt(func(w http.ResponseWriter, r *http.Request) (Node, error) {
+		err := r.ParseForm()
+		if err != nil {
+			return html.CreatePage("", err.Error(), html.CreatePageForm{}), nil
+		}
+
+		name := r.Form.Get("name")
+		host := r.Form.Get("host")
+
+		formValues := html.CreatePageForm{Name: name, Host: host}
+
+		if name == "" {
+			return html.CreatePage("", "A name must be specified", formValues), nil
+		}
+
+		if host == "" {
+			return html.CreatePage("", "A host must be specified", formValues), nil
+		}
+
+		site, err := site.CreateNewSite(name, path.Join(constants.SysDataDir, "sites"), host)
+
+		if err != nil {
+			return html.CreatePage("", fmt.Errorf("Unexpected error: %w", err).Error(), formValues), nil
+		}
+
+		index.AddSite(site)
+
+		return html.CreatePage("Successfully created new site", "", formValues), nil
+	})
+}
diff --git a/web/command/handler/home.go b/web/command/handler/home.go
new file mode 100644
index 0000000..a46d5ed
--- /dev/null
+++ b/web/command/handler/home.go
@@ -0,0 +1,17 @@
+package handler
+
+import (
+	"net/http"
+
+	"github.com/LMBishop/scrapbook/pkg/config"
+	"github.com/LMBishop/scrapbook/pkg/index"
+	"github.com/LMBishop/scrapbook/web/command/html"
+	. "maragu.dev/gomponents"
+	ghttp "maragu.dev/gomponents/http"
+)
+
+func GetHome(mainConfig *config.MainConfig, index *index.SiteIndex) func(http.ResponseWriter, *http.Request) {
+	return ghttp.Adapt(func(w http.ResponseWriter, r *http.Request) (Node, error) {
+		return html.HomePage(index), nil
+	})
+}
diff --git a/web/command/handler/site.go b/web/command/handler/site.go
new file mode 100644
index 0000000..73ea1a0
--- /dev/null
+++ b/web/command/handler/site.go
@@ -0,0 +1,27 @@
+package handler
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/LMBishop/scrapbook/pkg/config"
+	"github.com/LMBishop/scrapbook/pkg/index"
+	"github.com/LMBishop/scrapbook/web/command/html"
+	. "maragu.dev/gomponents"
+	ghttp "maragu.dev/gomponents/http"
+)
+
+func GetSite(mainConfig *config.MainConfig, index *index.SiteIndex) func(http.ResponseWriter, *http.Request) {
+	return ghttp.Adapt(func(w http.ResponseWriter, r *http.Request) (Node, error) {
+		siteName := r.PathValue("site")
+		if siteName == "" {
+			return nil, fmt.Errorf("unknown site")
+		}
+		site := index.GetSite(siteName)
+		if site == nil {
+			return nil, fmt.Errorf("unknown site")
+		}
+
+		return html.SitePage(mainConfig, site), nil
+	})
+}
diff --git a/web/command/handler/upload.go b/web/command/handler/upload.go
new file mode 100644
index 0000000..0e4928c
--- /dev/null
+++ b/web/command/handler/upload.go
@@ -0,0 +1,49 @@
+package handler
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/LMBishop/scrapbook/pkg/config"
+	"github.com/LMBishop/scrapbook/pkg/index"
+	"github.com/LMBishop/scrapbook/pkg/upload"
+	"github.com/LMBishop/scrapbook/web/command/html"
+	. "maragu.dev/gomponents"
+	ghttp "maragu.dev/gomponents/http"
+)
+
+func GetUpload(index *index.SiteIndex) func(http.ResponseWriter, *http.Request) {
+	return ghttp.Adapt(func(w http.ResponseWriter, r *http.Request) (Node, error) {
+		siteName := r.PathValue("site")
+		if siteName == "" {
+			return nil, fmt.Errorf("unknown site")
+		}
+		site := index.GetSite(siteName)
+		if site == nil {
+			return nil, fmt.Errorf("unknown site")
+		}
+
+		return html.UploadPage("", "", siteName), nil
+	})
+}
+
+func PostUpload(mainConfig *config.MainConfig, index *index.SiteIndex) func(http.ResponseWriter, *http.Request) {
+	return ghttp.Adapt(func(w http.ResponseWriter, r *http.Request) (Node, error) {
+		siteName := r.PathValue("site")
+		if siteName == "" {
+			return nil, fmt.Errorf("unknown site")
+		}
+
+		reader, err := r.MultipartReader()
+		if err != nil {
+			return html.UploadPage("", fmt.Errorf("Unexpected error: could not read stream: %w", err).Error(), siteName), nil
+		}
+
+		version, err := upload.HandleUpload(siteName, reader, index)
+		if err != nil {
+			return html.UploadPage("", fmt.Errorf("Unexpected error: %w", err).Error(), siteName), nil
+		}
+
+		return html.UploadPage(fmt.Sprintf("Version %s created successfully", version), "", siteName), nil
+	})
+}
diff --git a/web/command/html/create.go b/web/command/html/create.go
new file mode 100644
index 0000000..a0b77d1
--- /dev/null
+++ b/web/command/html/create.go
@@ -0,0 +1,74 @@
+package html
+
+import (
+	. "maragu.dev/gomponents"
+	. "maragu.dev/gomponents/html"
+)
+
+type CreatePageForm struct {
+	Name string
+	Host string
+}
+
+func CreatePage(success, err string, formValues CreatePageForm) Node {
+	return page("Create site",
+		H1(Text("Create site")),
+
+		If(success != "", Group{
+			alertSuccess(success),
+			Div(
+				Class("control-group group-right"),
+				navButton("OK", "/"),
+			),
+		}),
+
+		If(success == "", Group{
+			If(err != "", alertError(err)),
+
+			Form(
+				Action("/create"),
+				Method("post"),
+
+				FieldSet(
+					Legend(Text("Site details")),
+					Label(
+						For("name"),
+						Text("Name"),
+					),
+					Input(
+						ID("name"),
+						Name("name"),
+						Value(formValues.Name),
+					),
+					Span(
+						Class("form-help"),
+						Text("The unique identifier for this site. This must be a valid directory name, and should be lower case with no spaces."),
+					),
+
+					Label(
+						For("host"),
+						Text("Host"),
+					),
+					Input(
+						ID("host"),
+						Name("host"),
+						Value(formValues.Host),
+					),
+					Span(
+						Class("form-help"),
+						Text("The fully qualified domain name for which this site is to be served on."),
+					),
+				),
+
+				Div(
+					Class("control-group group-right"),
+					navButton("Go back", "/"),
+					Input(
+						Type("submit"),
+						Value("Submit"),
+					),
+				),
+			),
+		}),
+	)
+}
diff --git a/web/command/html/home.go b/web/command/html/home.go
new file mode 100644
index 0000000..f0e783d
--- /dev/null
+++ b/web/command/html/home.go
@@ -0,0 +1,53 @@
+package html
+
+import (
+	"fmt"
+
+	"github.com/LMBishop/scrapbook/pkg/index"
+	"github.com/LMBishop/scrapbook/pkg/site"
+	. "maragu.dev/gomponents"
+	. "maragu.dev/gomponents/html"
+)
+
+func HomePage(siteIndex *index.SiteIndex) Node {
+	return page("All sites",
+		H1(Text("All sites")),
+
+		Div(
+			Class("sites-table"),
+			Group{
+				Span(
+					Class("header name"),
+					Text("Site"),
+				),
+				Span(
+					Class("header status"),
+					Text("Status"),
+				),
+				Span(
+					Class("header actions"),
+					Text("Actions"),
+				),
+			},
+			Map(siteIndex.GetSites(), func(site *site.Site) Node {
+				return Group{
+					Span(
+						Class("name"),
+						Span(Text(site.Name)),
+						Span(Text(fmt.Sprintf("on %s", site.SiteConfig.Host))),
+					),
+					Span(
+						Class("status"),
+						Text(site.EvaluateSiteStatus()),
+					),
+					Span(
+						Class("actions"),
+						navButton("Details", fmt.Sprintf("/site/%s/", site.Name)),
+					),
+				}
+			}),
+		),
+
+		navButton("Create new", "/create"),
+	)
+}
diff --git a/web/command/html/site.go b/web/command/html/site.go
new file mode 100644
index 0000000..b4239b1
--- /dev/null
+++ b/web/command/html/site.go
@@ -0,0 +1,73 @@
+package html
+
+import (
+	"fmt"
+
+	"github.com/LMBishop/scrapbook/pkg/config"
+	"github.com/LMBishop/scrapbook/pkg/site"
+	. "maragu.dev/gomponents"
+	. "maragu.dev/gomponents/html"
+)
+
+func SitePage(mainConfig *config.MainConfig, site *site.Site) Node {
+	versions, err := site.GetAllVersions()
+	currentVersion, _ := site.GetCurrentVersion()
+
+	return page("Site "+site.Name,
+		H1(Text("Site "+site.Name)),
+
+		If(site.EvaluateSiteStatus() != "live", alertError(site.EvaluateSiteStatusReason())),
+
+		FieldSet(
+			Legend(Text("Site actions")),
+
+			Div(
+				Class("control-group"),
+
+				navButton("Upload new version", "upload"),
+				navButton("Disable site", "disable"),
+				navButton("Delete site", "delete"),
+			),
+		),
+
+		H2(Text("Version history")),
+
+		If(len(versions) == 0, Span(Class("span"), alert("There are no versions to display", ""))),
+		If(err != nil, Span(Class("span"), alertError(fmt.Errorf("Cannot show site versions: %w", err).Error()))),
+		If(len(versions) > 0 && err == nil, Group{
+			Div(
+				Class("versions-table"),
+				Group{
+					Span(
+						Class("header date"),
+						Text("Date"),
+					),
+					Span(
+						Class("header actions"),
+						Text("Actions"),
+					),
+				},
+
+				Map(versions, func(version string) Node {
+					return Group{
+						Span(
+							Class("date"),
+							Span(Text(version)),
+							If(currentVersion == version, Span(Class("current"), Text("current"))),
+						),
+						Span(
+							Class("actions"),
+							If(currentVersion != version, navButton("Set current", fmt.Sprintf("/site/%s/", site.Name))),
+							navButton("Details", fmt.Sprintf("version/%s/", version)),
+						),
+					}
+				}),
+			),
+		}),
+
+		H2(Text("API endpoints")),
+		P(Code(Text(fmt.Sprintf("http://%s/api/site/%s/upload", mainConfig.Command.Host, site.Name)))),
+
+		navButton("Go back", "/"),
+	)
+}
diff --git a/web/command/html/skeleton.go b/web/command/html/skeleton.go
new file mode 100644
index 0000000..9e17475
--- /dev/null
+++ b/web/command/html/skeleton.go
@@ -0,0 +1,57 @@
+package html
+
+import (
+	_ "embed"
+
+	. "maragu.dev/gomponents"
+	. "maragu.dev/gomponents/components"
+	. "maragu.dev/gomponents/html"
+)
+
+//go:embed style.css
+var styles string
+
+func page(title string, children ...Node) Node {
+	return HTML5(HTML5Props{
+		Title:    title,
+		Language: "en",
+		Head: []Node{
+			StyleEl(Raw(styles)),
+		},
+		Body: []Node{
+			Div(Class("container"),
+				Group(children),
+				footer(),
+			),
+		},
+	})
+}
+
+func footer() Node {
+	return Footer(
+		Hr(),
+		Text("scrapbook"),
+	)
+}
+
+func navButton(label string, dest string) Node {
+	return A(
+		Href(dest),
+		Text(label),
+	)
+}
+
+func alert(label string, class string) Node {
+	return Div(
+		Class("alert "+class),
+		Text(label),
+	)
+}
+
+func alertError(label string) Node {
+	return alert(label, "error")
+}
+
+func alertSuccess(label string) Node {
+	return alert(label, "success")
+}
diff --git a/web/command/html/style.css b/web/command/html/style.css
new file mode 100644
index 0000000..7e40ad4
--- /dev/null
+++ b/web/command/html/style.css
@@ -0,0 +1,165 @@
+html, body {
+    font-family: sans-serif;
+
+}
+table {
+    border-collapse: collapse;
+}
+
+th, td {
+    text-align: left;
+    padding: 8px;
+    border: black 1px solid;
+}
+
+th {
+    background-color: #f2f2f2;
+}
+
+a, input[type=submit] {
+    /* font-weight: bold; */
+    border: 1px solid #000!important;
+    color: #000;
+    /* border: 2px solid #0074D9!important;
+    color: #0074D9; */
+    padding: 3px 6px!important;
+    text-decoration: none;
+}
+
+a :visited{
+    color: #fff;
+}
+
+form {
+    display: flex;
+    flex-direction: column;
+}
+
+fieldset {
+    display: flex;
+    flex-direction: column;
+    gap: 0.5rem;
+    margin-bottom: 1rem;;
+}
+
+legend {
+    background-color: #000;
+    color: #fff;
+    padding: 3px 6px;
+    font-style: italic;
+}
+
+label {
+    font-weight: bold;
+}
+
+footer {
+    margin-top: 2rem;
+    color: gray;
+    font-size: smaller;
+}
+
+button, input[type=submit] {
+    background: none!important;
+    font-family: arial, sans-serif;
+    font-size: medium;
+    cursor: pointer;
+}
+
+a:hover, button:hover, input[type=submit]:hover, button:active, a:active, input[type=submit]:active {
+    background: #000!important;
+    color: #fff!important;
+}
+
+.form-help {
+    font-size: smaller;
+}
+
+.container {
+    max-width: 800px;
+    margin: 0 auto;
+}
+
+.control-group {
+    display: flex;
+    gap: 0.5rem;
+    flex-direction: row;
+}
+
+.control-group.group-right {
+    justify-content: flex-end;
+}
+
+.control-group a, .control-group button, .control-group input[type=submit] {
+    text-decoration: none;
+    width: initial;
+}
+
+.sites-table {
+    width: 100%;
+    display: grid;
+    grid-template-columns: 50% 1fr 1fr;
+    align-items: center;
+    gap: 1rem;
+    margin-bottom: 1rem;
+}
+
+.sites-table > .header, .versions-table > .header {
+    font-weight: bold;
+}
+
+.sites-table > .name {
+    display: flex;
+    flex-direction: column;
+}
+
+.sites-table > .name > span:nth-child(2) {
+    font-size: smaller;
+}
+
+.sites-table > .actions, .versions-table > .actions {
+    justify-self: flex-end;
+}
+
+.versions-table {
+    width: 100%;
+    display: grid;
+    grid-template-columns: 1fr 1fr;
+    align-items: center;
+    gap: 1rem;
+    margin-bottom: 1rem;
+}
+
+.versions-table > .span {
+    grid-column: 1 / span 2;
+}
+
+.versions-table > .date {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+}
+
+.versions-table > .date > .current {
+    color: #2ECC40;
+    font-size: smaller;
+    font-style: italic;
+}
+
+.alert {
+    background-color: #f2f2f2;
+    padding: 0.5rem 1rem;
+    border: 1px solid #e7e7e7; 
+    margin-bottom: 1rem;
+    font-style: italic;
+}
+
+.alert.success {
+    background-color: #aaffaa;
+    border: 1px solid #90ee90;
+}
+
+.alert.error {
+    background-color: #ffcccb;
+    border: 1px solid #ff6666;
+}
\ No newline at end of file
diff --git a/web/command/html/upload.go b/web/command/html/upload.go
new file mode 100644
index 0000000..1225d0f
--- /dev/null
+++ b/web/command/html/upload.go
@@ -0,0 +1,53 @@
+package html
+
+import (
+	"fmt"
+
+	. "maragu.dev/gomponents"
+	. "maragu.dev/gomponents/html"
+)
+
+func UploadPage(success, err string, siteName string) Node {
+	return page("Upload new version to "+siteName,
+		H1(Text("Upload new version to "+siteName)),
+
+		If(success != "", Group{
+			alertSuccess(success),
+			Div(
+				Class("control-group group-right"),
+				navButton("OK", fmt.Sprintf("/site/%s/", siteName)),
+			),
+		}),
+
+		If(success == "", Group{
+			If(err != "", alertError(err)),
+
+			Form(
+				Method("post"),
+				EncType("multipart/form-data"),
+
+				FieldSet(
+					Legend(Text("Upload")),
+					Input(
+						ID("upload"),
+						Name("upload"),
+						Type("file"),
+					),
+					Span(
+						Class("form-help"),
+						Text("A zip file with the contents of the site."),
+					),
+				),
+
+				Div(
+					Class("control-group group-right"),
+					navButton("Go back", fmt.Sprintf("/site/%s/", siteName)),
+					Input(
+						Type("submit"),
+						Value("Submit"),
+					),
+				),
+			),
+		}),
+	)
+}
diff --git a/web/mux.go b/web/mux.go
new file mode 100644
index 0000000..b6a5528
--- /dev/null
+++ b/web/mux.go
@@ -0,0 +1,21 @@
+package web
+
+import (
+	"net/http"
+
+	"github.com/LMBishop/scrapbook/pkg/config"
+	"github.com/LMBishop/scrapbook/pkg/index"
+	"github.com/LMBishop/scrapbook/web/command/handler"
+)
+
+func NewMux(cfg *config.MainConfig, siteIndex *index.SiteIndex) *http.ServeMux {
+	mux := http.NewServeMux()
+	mux.HandleFunc("GET /", handler.GetHome(cfg, siteIndex))
+	mux.HandleFunc("GET /create", handler.GetCreate())
+	mux.HandleFunc("POST /create", handler.PostCreate(cfg, siteIndex))
+	mux.HandleFunc("GET /site/{site}/", handler.GetSite(cfg, siteIndex))
+	mux.HandleFunc("GET /site/{site}/upload", handler.GetUpload(siteIndex))
+	mux.HandleFunc("POST /site/{site}/upload", handler.PostUpload(cfg, siteIndex))
+
+	return mux
+}
diff --git a/web/status/404.html b/web/status/404.html
new file mode 100644
index 0000000..a094ccd
--- /dev/null
+++ b/web/status/404.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>404 Not Found</title>
+    </head>
+    <body>
+        <p>The request page could not be found.</p>
+        <hr>
+        <p>scrapbook</p>
+    </body>
+</html>