Basic file saving web server.

3 files changed, 75 insertions, 0 deletions

diff --git a/src/dossier/wiki/handlers.go b/src/dossier/wiki/handlers.go
new file mode 100644
index 0000000..4f241eb
--- /dev/null
+++ b/src/dossier/wiki/handlers.go
@@ -0,0 +1,44 @@
+package wiki
+
+import (
+        "fmt"
+        "net/http"
+)
+
+func SaveHandler(w http.ResponseWriter, r *http.Request) {
+        var title string = r.URL.Path[len("/save/"):]
+        body := r.FormValue("body")
+        p := &Page{Title: title, Body: []byte(body)}
+        var err error = p.Save()
+        if err != nil {
+                fmt.Fprintf(w, "500: %s", err)
+                return
+        }
+        http.Redirect(w, r, "/view/"+title, http.StatusFound)
+}
+
+func EditHandler(w http.ResponseWriter, r *http.Request) {
+        var title string = r.URL.Path[len("/edit/"):]
+        p, err := loadPage(title)
+        if err != nil {
+                p = &Page{Title: title}
+        }
+        fmt.Fprintf(w, "<h1>Editing %s</h1>"+
+                "<form action=\"/save/%s\" method=\"POST\">"+
+                "<textarea name=\"body\">%s</textarea><br>"+
+                "<input type=\"submit\" value=\"Save\">"+
+                "</form>",
+                p.Title, p.Title, p.Body)
+}
+
+func PageHandler(w http.ResponseWriter, r *http.Request) {
+        var title string = r.URL.Path[len("/view/"):]
+
+        p, err := loadPage(title)
+        if err != nil {
+                http.Redirect(w, r, "/edit/"+title, http.StatusFound)
+                return
+        }
+
+        fmt.Fprintf(w, "<h1>%s</h1><hr>%s", p.Title, p.Body)
+}
diff --git a/src/dossier/wiki/page.go b/src/dossier/wiki/page.go
new file mode 100644
index 0000000..2bf1368
--- /dev/null
+++ b/src/dossier/wiki/page.go
@@ -0,0 +1,17 @@
+package wiki
+
+import (
+        "io/ioutil"
+)
+
+const FILE_EXTENSION string = ".md"
+
+type Page struct {
+        Title string
+        Body  []byte // markdown filled body
+}
+
+func (p *Page) Save() error {
+        filename := p.Title + FILE_EXTENSION
+        return ioutil.WriteFile(filename, p.Body, 0600)
+}
diff --git a/src/dossier/wiki/utils.go b/src/dossier/wiki/utils.go
new file mode 100644
index 0000000..58e98f7
--- /dev/null
+++ b/src/dossier/wiki/utils.go
@@ -0,0 +1,14 @@
+package wiki
+
+import "io/ioutil"
+
+func loadPage(title string) (*Page, error) {
+        var filename string = title + FILE_EXTENSION
+
+        body, err := ioutil.ReadFile(filename)
+        if err != nil {
+                return nil, err
+        }
+
+        return &Page{Title: title, Body: body}, nil
+}