Fixing way to get current page

gserver/templates/header.html

@@ -9,7 +9,7 @@
     <link rel="stylesheet" href="/assets/css/gronkh.css" />
     <script src="/assets/js/vendor/modernizr.js"></script>
     {{ if .data }}
-      {{ if .data.EP }}
+      {{ if eq .page "ep" }}
       <meta property="og:type" content="video" />
       <meta property="og:url" content="https://gronkh.1750studios.com/lets-play/{{ .data.LP.Slug.String }}/{{ .data.EP.Slug.String }}" />
       <meta name="twitter:card" content="summary_large_image" />
@@ -19,7 +19,7 @@
       <meta property="og:image" name="twitter:image" content="https://gronkh.1750studios.com{{ .data.EP.ThumbB.String }}" />
       <meta property="og:updated_time" content="{{ .data.EP.Aired }}" />
       {{ end }}
-      {{ if .data.LT }}
+      {{ if eq .page "lt" }}
       <meta property="og:type" content="video" />
       <meta property="og:url" content="https://gronkh.1750studios.com/testet/{{ .data.LT.Slug.String }}" />
       <meta name="twitter:card" content="summary_large_image" />

gserver/webapp.go

@@ -25,6 +25,7 @@ func GetIndex(c *gin.Context) {
     c.HTML(http.StatusOK, "index.html", gin.H{
         "title": "Neue Episoden",
         "data": data,
+        "page": "index",
     })
 }
 
@@ -40,6 +41,7 @@ func GetLps(c *gin.Context) {
     c.HTML(http.StatusOK, "lps.html", gin.H{
         "title": "Let's Plays",
         "data": data,
+        "page": "lps",
     })
 }
 
@@ -56,6 +58,7 @@ func GetLt(c *gin.Context) {
             c.HTML(http.StatusOK, "lt.html", gin.H{
                 "title": LT.Name.String,
                 "data": gin.H{"LT": LT, "AT": AT, "DESC": template.HTML(LT.Descr.String)},
+                "page": "lt",
             })
         } else {
             //LT not found
@@ -73,6 +76,7 @@ func GetLt(c *gin.Context) {
         c.HTML(http.StatusOK, "lts.html", gin.H{
             "title": "Let's Tests",
             "data": data,
+            "page": "lts",
         })
     }
 }
@@ -98,6 +102,7 @@ func GetAt(c *gin.Context) {
             c.HTML(http.StatusOK, "at.html", gin.H{
                 "title": AT.Name.String,
                 "data": data,
+                "page": "at",
             })
         } else {
             //LT not found
@@ -113,6 +118,7 @@ func GetAt(c *gin.Context) {
         c.HTML(http.StatusOK, "ats.html", gin.H{
             "title": "Sprecher",
             "data": data,
+            "page": "ats",
 
         })
     }
@@ -139,6 +145,7 @@ func GetLEpisode(c *gin.Context) {
                     c.HTML(http.StatusOK, "episode.html", gin.H{
                         "title": EP.Name.String + " – " + LP.Name.String,
                         "data": gin.H{"EP": EP, "LP": LP, "AT": AT, "DESC": template.HTML(EP.Descr.String), "NEXT": next, "PREV": previous},
+                        "page": "ep",
                     })
                 } else {
                     //EP not found
@@ -159,6 +166,7 @@ func GetLEpisode(c *gin.Context) {
                         "title": LP.Name.String,
                         "data": data,
                         "message": Message{Type: "alert", String: "Fehler 404: Episode nicht gefunden!"},
+                        "page": "lp",
                     })
                 }
             } else {
@@ -179,6 +187,7 @@ func GetLEpisode(c *gin.Context) {
                 c.HTML(http.StatusOK, "lp.html", gin.H{
                     "title": LP.Name.String,
                     "data": data,
+                    "page": "lp",
                 })
             } 
         } else {