Add template helper isEmail()

server/template/html/entry.html

@@ -15,7 +15,7 @@
             </span>
             {{ if .entry.Author }}
                 <span class="entry-author">
-                    {{ if contains .entry.Author "@" }}
+                    {{ if isEmail .entry.Author }}
                         - <a href="mailto:{{ .entry.Author }}">{{ .entry.Author }}</a>
                     {{ else }}
                         – <em>{{ .entry.Author }}</em>

server/template/template.go

@@ -9,6 +9,7 @@ import (
 	"html/template"
 	"io"
 	"log"
+	"net/mail"
 	"net/url"
 	"strings"
 	"time"
@@ -64,6 +65,13 @@ func (e *Engine) parseAll() {
 
 			return parsedURL.Host
 		},
+		"isEmail": func(str string) bool {
+			_, err := mail.ParseAddress(str)
+			if err != nil {
+				return false
+			}
+			return true
+		},
 		"hasPrefix": func(str, prefix string) bool {
 			return strings.HasPrefix(str, prefix)
 		},

server/template/views.go

@@ -1,5 +1,5 @@
 // Code generated by go generate; DO NOT EDIT.
-// 2017-11-25 10:47:30.359140331 -0800 PST m=+0.015268437
+// 2017-11-25 17:05:58.40092186 -0800 PST m=+0.019242510
 
 package template
 
@@ -463,7 +463,7 @@ var templateViewsMap = map[string]string{
             </span>
             {{ if .entry.Author }}
                 <span class="entry-author">
-                    {{ if contains .entry.Author "@" }}
+                    {{ if isEmail .entry.Author }}
                         - <a href="mailto:{{ .entry.Author }}">{{ .entry.Author }}</a>
                     {{ else }}
                         – <em>{{ .entry.Author }}</em>
@@ -1054,7 +1054,7 @@ var templateViewsMapChecksums = map[string]string{
 	"edit_category":       "cee720faadcec58289b707ad30af623d2ee66c1ce23a732965463250d7ff41c5",
 	"edit_feed":           "c5bc4c22bf7e8348d880395250545595d21fb8c8e723fc5d7cca68e25d250884",
 	"edit_user":           "c835d78f7cf36c11533db9cef253457a9003987d704070d59446cb2b0e84dcb9",
-	"entry":               "32e605edd6d43773ac31329d247ebd81d38d974cd43689d91de79fffec7fe04b",
+	"entry":               "2d7524cfd743f8a74fcf6bf7f4631fe4a61bb595173545d49793c845a450ff03",
 	"feed_entries":        "9aff923b6c7452dec1514feada7e0d2bbc1ec21c6f5e9f48b2de41d1b731ffe4",
 	"feeds":               "c22af39b42ba9ca69ea0914ca789303ec2c5b484abcd4eaa49016e365381257c",
 	"history":             "947603cbde888516e62925f5d08fb0b13d930623d3ee4c690dbc22612fdda75e",