Fixing the meta tags

webcontroller/fileViewer.go

@@ -41,6 +41,7 @@ func ServeFileViewer(w http.ResponseWriter, r *http.Request, p httprouter.Params
 		return
 	}
 
+	var ogData OGData
 	var err error
 	if list {
 		listdata := map[string]interface{}{
@@ -54,12 +55,14 @@ func ServeFileViewer(w http.ResponseWriter, r *http.Request, p httprouter.Params
 			"Title":       fmt.Sprintf("%d files in Pixeldrain", len(finfo)),
 			"APIResponse": listdata,
 			"Type":        "list",
+			"OGData":      ogData.FromFile(*finfo[0]),
 		})
 	} else {
 		err = templates.Get().ExecuteTemplate(w, "file_viewer", map[string]interface{}{
 			"Title":       fmt.Sprintf("%s ~ Pixeldrain file", finfo[0].FileName),
 			"APIResponse": finfo[0],
 			"Type":        "file",
+			"OGData":      ogData.FromFile(*finfo[0]),
 		})
 	}
 	if err != nil {

webcontroller/ogData.go

@@ -0,0 +1,40 @@
+package webcontroller
+
+import (
+	"fornaxian.com/pixeldrain-web/pixelapi"
+)
+
+// OGData holds all information needed to populate the various meta tags on the
+// file and list viewer
+type OGData struct {
+	Title       string
+	Type        string
+	SiteName    string
+	Description string
+	URL         string
+	Image       string
+}
+
+// FromFile populates the OGData object from FileInfo. It returns itself for
+// compactness.
+func (d *OGData) FromFile(f pixelapi.FileInfo) *OGData {
+	d.Title = f.FileName
+	d.Type = "website"
+	d.SiteName = "Pixeldrain"
+	d.Description = "View " + f.FileName + " on Pixeldrain"
+	d.URL = "/u/" + f.ID
+	d.Image = "/api/file/" + f.ID + "/thumbnail"
+	return d
+}
+
+// FromList populated the OGData object from a List. It returns itself for
+// compactness.
+func (d *OGData) FromList(l pixelapi.List) *OGData {
+	d.Title = l.Title
+	d.Type = "website"
+	d.SiteName = "Pixeldrain"
+	d.Description = "View " + l.Title + " on Pixeldrain"
+	d.URL = "/l/" + l.ID
+	d.Image = "/api/list/" + l.ID + "/thumbnail"
+	return d
+}