[addons] Creating foundation for plugin-like system "Addons" (#24)

* adding addons dir and sample addon which enables the use of a new input element in forms for referencing other content. "addons" is a conceptual plugin-like feature, similar to wordpress "plugins" dir, but not as sophisticated

1 files changed, 47 insertions, 0 deletions

diff --git a/system/addon/api.go b/system/addon/api.go
new file mode 100644
index 0000000..4c3152b
--- /dev/null
+++ b/system/addon/api.go
@@ -0,0 +1,47 @@
+// Package addon provides an API for Ponzu addons to interface with the system
+package addon
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/bosssauce/ponzu/system/db"
+)
+
+// ContentAll retrives all items from the HTTP API within the provided namespace
+func ContentAll(namespace string) []byte {
+	host := db.ConfigCache("domain")
+	port := db.ConfigCache("http_port")
+	endpoint := "http://%s:%s/api/contents?type=%s"
+	buf := []byte{}
+	r := bytes.NewReader(buf)
+	url := fmt.Sprintf(endpoint, host, port, namespace)
+
+	req, err := http.NewRequest(http.MethodGet, url, r)
+	if err != nil {
+		log.Println("Error creating request for reference of:", namespace)
+		return nil
+	}
+
+	c := http.Client{
+		Timeout: time.Duration(time.Second * 5),
+	}
+	res, err := c.Do(req)
+	if err != nil {
+		log.Println("Error making HTTP request for reference of:", namespace)
+		return nil
+	}
+	defer res.Body.Close()
+
+	j, err := ioutil.ReadAll(res.Body)
+	if err != nil {
+		log.Println("Error reading request body for reference of:", namespace)
+		return nil
+	}
+
+	return j
+}