From d4b94e4b37bb4b28dae2a91bf4a9872e0a801c1a Mon Sep 17 00:00:00 2001
From: Steve Manuel <nilslice@gmail.com>
Date: Sat, 17 Dec 2016 06:05:07 -0800
Subject: moving reference into content package and testing API based approach

---
 cmd/ponzu/options.go              |  2 +-
 content/reference.go              | 57 +++++++++++++++++++++++++++++++++++++++
 management/reference/reference.go | 35 ------------------------
 system/api/server.go              | 22 +++++++++++++++
 4 files changed, 80 insertions(+), 36 deletions(-)
 create mode 100644 content/reference.go
 delete mode 100644 management/reference/reference.go

diff --git a/cmd/ponzu/options.go b/cmd/ponzu/options.go
index 8b62b1a..6384b47 100644
--- a/cmd/ponzu/options.go
+++ b/cmd/ponzu/options.go
@@ -248,7 +248,7 @@ func buildPonzuServer(args []string) error {
 	// copy all ./content files to internal vendor directory
 	src := "content"
 	dst := filepath.Join("cmd", "ponzu", "vendor", "github.com", "bosssauce", "ponzu", "content")
-	err = copyFilesWarnConflicts(src, dst, []string{"item.go", "types.go"})
+	err = copyFilesWarnConflicts(src, dst, []string{"item.go", "types.go", "references.go"})
 	if err != nil {
 		return err
 	}
diff --git a/content/reference.go b/content/reference.go
new file mode 100644
index 0000000..0853b3d
--- /dev/null
+++ b/content/reference.go
@@ -0,0 +1,57 @@
+package content
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+
+	"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 := 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 an Identifiable
+		item, ok := t.(Identifiable)
+		if !ok {
+			log.Println("Cannot use type", contentType, "as a reference since it does not implement 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/management/reference/reference.go b/management/reference/reference.go
deleted file mode 100644
index e6d7edd..0000000
--- a/management/reference/reference.go
+++ /dev/null
@@ -1,35 +0,0 @@
-package reference
-
-import (
-	"encoding/json"
-	"fmt"
-	"log"
-
-	"github.com/bosssauce/ponzu/management/editor"
-	"github.com/bosssauce/ponzu/system/db"
-)
-
-// 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, display string) []byte {
-	// 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")
-
-	data := make(map[string]interface{})
-	for i := range jj {
-		err := json.Unmarshal(jj[i], data)
-		if err != nil {
-			log.Println("Error decoding into reference handle:", contentType, err)
-		}
-
-		k := fmt.Sprintf("?type=%s&id=%d", contentType, data["id"].(int))
-		v := data[display].(string)
-		options[k] = v
-	}
-
-	return editor.Select(fieldName, p, attrs, options)
-}
diff --git a/system/api/server.go b/system/api/server.go
index 823ec16..7254a7b 100644
--- a/system/api/server.go
+++ b/system/api/server.go
@@ -1,6 +1,9 @@
 package api
 
 import (
+	"bytes"
+	"fmt"
+	"log"
 	"net/http"
 )
 
@@ -14,3 +17,22 @@ func Run() {
 
 	http.HandleFunc("/api/content/external", CORS(Record(externalContentHandler)))
 }
+
+// ContentAll retrives all items from the HTTP API within the provided namespace
+func ContentAll(namespace string) [][]bytes {
+	endpoint := "http://0.0.0.0:8080/api/contents?type="
+	buf := []byte{}
+	r := bytes.NewReader(buf)
+	req, err := http.NewRequest(http.MethodGet, endpoint+namespace, r)
+	if err != nil {
+		log.Println("Error creating request for reference from:", contentType)
+		return nil
+	}
+
+	c := http.Client{}
+	res, err := c.Do(req)
+
+	fmt.Println(res, string(buf))
+
+	return []byte{buf}
+}
-- 
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