fnRequest, pongo2-addons added

helper/template_filters.go

@@ -0,0 +1,17 @@
+package helper
+
+import (
+	"github.com/flosch/pongo2"
+	_ "github.com/flosch/pongo2-addons"
+	"gopkg.in/russross/blackfriday.v2"
+)
+
+func init() {
+	pongo2.ReplaceFilter("markdown", MarkdownFilter)
+}
+
+// MarkdownFilter is a pongo2 filter, which converts markdown to html
+func MarkdownFilter(in *pongo2.Value, param *pongo2.Value) (*pongo2.Value, *pongo2.Error) {
+	html := blackfriday.Run([]byte(in.String()))
+	return pongo2.AsSafeValue(string(html)), nil
+}

helper/template_functions.go

@@ -0,0 +1,51 @@
+package helper
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strings"
+
+	"github.com/davecgh/go-spew/spew"
+	"github.com/flosch/pongo2"
+)
+
+// Request will make a web request and returns map[string]interface form pongo2
+func Request(url *pongo2.Value, args ...*pongo2.Value) *pongo2.Value {
+	u := url.String()
+	fmt.Printf("request GET %s\n", u)
+
+	resp, err := http.Get(u)
+	if err != nil {
+		panic(err)
+	}
+	defer resp.Body.Close()
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		panic(err)
+	}
+
+	spew.Dump(string(body))
+
+	if resp.StatusCode >= 400 {
+		panic(resp.Status)
+	}
+
+	contentType := resp.Header.Get("Content-Type")
+
+	if strings.Contains(contentType, "json") {
+
+	} else {
+		panic("invalid content-type")
+	}
+
+	jsonMap := make(map[string]interface{})
+	err = json.Unmarshal(body, &jsonMap)
+	if err != nil {
+		panic(err)
+	}
+
+	return pongo2.AsValue(jsonMap)
+}