Move template to subfolder of feed

3 files changed, 145 insertions, 1 deletions

diff --git a/internal/feed/mail.go b/internal/feed/mail.go
index e8b6915..ecc011f 100644
--- a/internal/feed/mail.go
+++ b/internal/feed/mail.go
@@ -9,7 +9,7 @@ import (
 	"github.com/emersion/go-message/mail"
 
 	"github.com/Necoro/feed2imap-go/internal/config"
-	"github.com/Necoro/feed2imap-go/internal/template"
+	"github.com/Necoro/feed2imap-go/internal/feed/template"
 )
 
 func address(name, address string) []*mail.Address {
diff --git a/internal/feed/template/feed.tpl.go b/internal/feed/template/feed.tpl.go
new file mode 100644
index 0000000..3f6470f
--- /dev/null
+++ b/internal/feed/template/feed.tpl.go
@@ -0,0 +1,76 @@
+package template
+
+var Feed = fromString("Feed", feedTpl)
+
+//noinspection HtmlDeprecatedAttribute,HtmlUnknownTarget
+const feedTpl = `{{- /*gotype:github.com/Necoro/feed2imap-go/internal/feed.feeditem*/ -}}
+{{define "bottomLine"}}
+  {{if .content}}
+    <tr>
+      <td align="right">
+        <span style="color: #ababab; ">{{.descr}}</span>&nbsp;&nbsp;
+      </td>
+      <td>
+        <span style="color: #ababab; ">{{.content}}</span>
+      </td>
+    </tr>
+  {{end}}
+{{end}}
+<table border="1" width="100%" cellpadding="0" cellspacing="0" style="border-spacing: 0; ">
+  <tr>
+    <td>
+      <table width="100%" bgcolor="#EDEDED" cellpadding="4" cellspacing="2">
+        <tr>
+          <td align="right"><b>Feed</b></td>
+          <td width="100%">
+            {{with .Feed.Link}}<a href="{{.}}">{{end}}
+              <b>{{or .Feed.Title .Feed.Link "Unnammed feed"}}</b>
+            {{if .Feed.Link}}</a>{{end}}
+          </td>
+        </tr>
+        <tr>
+          <td align="right"><b>Item</b></td>
+          <td width="100%">
+            {{with .Item.Link}}<a href="{{.}}">{{end}}
+              <b>{{or .Item.Title .Item.Link}}</b>
+            {{if .Item.Link}}</a>{{end}}
+          </td>
+        </tr>
+      </table>
+    </td>
+  </tr>
+</table>
+{{with .Item.Description}}
+  <br /> <!-- originally: only if content and 'content !~ /\A\s*</m' -->
+  {{html .}}
+{{end}}
+{{with .Item.Content}}
+  <br /> <!-- originally: only if content and 'content !~ /\A\s*</m' -->
+  {{html .}}
+{{end}}
+{{with .Item.Enclosures}}
+  <table border="1" width="100%" cellpadding="0" cellspacing="0" style="border-spacing: 0; ">
+    <tr>
+      <td>
+        <table width="100%" bgcolor="#EDEDED" cellpadding="2" cellspacing="2">
+          <tr><td width="100%"><b>Files:</b></td></tr>
+          {{range .}}
+              <tr>
+                <td>
+                  &nbsp;&nbsp;&nbsp;
+                  <a href={{.URL}}>{{.URL | lastUrlPart}}</a> ({{.Length | byteCount}}, {{.Type}})
+                </td>
+              </tr>
+          {{end}}
+        </table>
+      </td>
+    </tr>
+  </table>
+{{end}}
+<hr width="100%"/>
+<table width="100%" cellpadding="0" cellspacing="0">
+  {{template "bottomLine" (dict "descr" "Date:" "content" .Item.Published)}}
+  {{with .Item.Author}}{{template "bottomLine" (dict "descr" "Author:" "content" .Name)}}{{end}}
+  {{template "bottomLine" (dict "descr" "Subject:" "content" .Item.Title)}}
+  {{template "bottomLine" (dict "descr" "Filed under:" "content" (join ", " .Item.Categories))}}
+</table>`
diff --git a/internal/feed/template/template.go b/internal/feed/template/template.go
new file mode 100644
index 0000000..dd31f51
--- /dev/null
+++ b/internal/feed/template/template.go
@@ -0,0 +1,68 @@
+package template
+
+import (
+	"fmt"
+	"html/template"
+	"strconv"
+	"strings"
+
+	"github.com/Necoro/feed2imap-go/internal/log"
+)
+
+func dict(v ...string) map[string]string {
+	dict := map[string]string{}
+	lenv := len(v)
+	for i := 0; i < lenv; i += 2 {
+		key := v[i]
+		if i+1 >= lenv {
+			dict[key] = ""
+			continue
+		}
+		dict[key] = v[i+1]
+	}
+	return dict
+}
+
+func join(sep string, parts []string) string {
+	return strings.Join(parts, sep)
+}
+
+func lastUrlPart(url string) string {
+	split := strings.Split(url, "/")
+	return split[len(split)-1]
+}
+
+func byteCount(str string) string {
+	b, err := strconv.ParseUint(str, 10, 64)
+	if err != nil {
+		log.Printf("Cannot convert '%s' to byte count: %s", str, err)
+	}
+
+	const unit = 1024
+	if b < unit {
+		return fmt.Sprintf("%d B", b)
+	}
+	div, exp := uint64(unit), 0
+	for n := b / unit; n >= unit; n /= unit {
+		div *= unit
+		exp++
+	}
+	return fmt.Sprintf("%.1f %cB", float64(b)/float64(div), "KMGTPE"[exp])
+}
+
+func html(s string) template.HTML {
+	return template.HTML(s)
+}
+
+var funcMap = template.FuncMap{
+	"dict":        dict,
+	"join":        join,
+	"lastUrlPart": lastUrlPart,
+	"byteCount":   byteCount,
+	"html":        html,
+}
+
+func fromString(name, templateStr string) *template.Template {
+	tpl := template.New(name).Funcs(funcMap)
+	return template.Must(tpl.Parse(templateStr))
+}