moving reference to addons

2 files changed, 59 insertions, 1 deletions

diff --git a/addons/reference/reference.go b/addons/reference/reference.go
new file mode 100644
index 0000000..6a46e75
--- /dev/null
+++ b/addons/reference/reference.go
@@ -0,0 +1,58 @@
+package api
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+
+	"github.com/bosssauce/ponzu/content"
+	"github.com/bosssauce/ponzu/management/editor"
+	"github.com/bosssauce/ponzu/system/api"
+)
+
+// Referenceable enures there is a way to reference the implenting type from
+// within another type's editor and from type-scoped API calls
+type Referenceable interface {
+	Referenced() []byte
+}
+
+// Select returns the []byte of a <select> HTML element plus internal <options> with a label.
+// IMPORTANT:
+// The `fieldName` argument will cause a panic if it is not exactly the string
+// form of the struct field that this editor input is representing
+func Select(fieldName string, p interface{}, attrs map[string]string, contentType string) []byte {
+	ct, ok := content.Types[contentType]
+	if !ok {
+		log.Println("Cannot reference an invalid content type:", contentType)
+		return nil
+	}
+
+	// get a handle to the underlying interface type for decoding
+	t := ct()
+
+	// decode all content type from db into options map
+	// map["?type=<contentType>&id=<id>"]t.String()
+	options := make(map[string]string)
+	// jj := db.ContentAll(contentType + "__sorted") // make this an API call
+	jj := api.ContentAll(contentType)
+
+	for i := range jj {
+		err := json.Unmarshal(jj[i], t)
+		if err != nil {
+			log.Println("Error decoding into reference handle:", contentType, err)
+		}
+
+		// make sure it is a content.Identifiable
+		item, ok := t.(content.Identifiable)
+		if !ok {
+			log.Println("Cannot use type", contentType, "as a reference since it does not implement content.Identifiable")
+			return nil
+		}
+
+		k := fmt.Sprintf("?type=%s&id=%d", contentType, item.ItemID())
+		v := item.String()
+		options[k] = v
+	}
+
+	return editor.Select(fieldName, p, attrs, options)
+}
diff --git a/system/api/handlers.go b/system/api/handlers.go
index 7a2073d..fae3ef6 100644
--- a/system/api/handlers.go
+++ b/system/api/handlers.go
@@ -224,7 +224,7 @@ func SendJSON(res http.ResponseWriter, j map[string]interface{}) {
 	sendData(res, data, 200)
 }
 
-// CORS wraps a HandleFunc to response to OPTIONS requests properly
+// CORS wraps a HandleFunc to respond to OPTIONS requests properly
 func CORS(next http.HandlerFunc) http.HandlerFunc {
 	return db.CacheControl(http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
 		if req.Method == http.MethodOptions {