1 files changed, 117 insertions, 0 deletions
diff --git a/system/addon/manager.go b/system/addon/manager.go
new file mode 100644
index 0000000..d3c9673
--- /dev/null
+++ b/system/addon/manager.go
@@ -0,0 +1,117 @@
+package addon
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"html/template"
+	"net/url"
+
+	"github.com/ponzu-cms/ponzu/management/editor"
+
+	"github.com/gorilla/schema"
+	"github.com/tidwall/gjson"
+)
+
+const defaultInput = `<input type="hidden" name="%s" value="%s"/>`
+
+const managerHTML = `
+<div class="card editor">
+    <form method="post" action="/admin/addon" enctype="multipart/form-data">
+		<div class="card-content">
+			<div class="card-title">{{ .AddonName }}</div>
+		</div>
+		{{ .DefaultInputs }}
+		{{ .Editor }}
+	</form>
+</div>
+`
+
+type manager struct {
+	DefaultInputs template.HTML
+	Editor        template.HTML
+	AddonName     string
+}
+
+// Manage ...
+func Manage(data []byte, reverseDNS string) ([]byte, error) {
+	a, ok := Types[reverseDNS]
+	if !ok {
+		return nil, fmt.Errorf("Addon has not been added to addon.Types map")
+	}
+
+	// convert json => map[string]interface{} => url.Values
+	var kv map[string]interface{}
+	err := json.Unmarshal(data, &kv)
+	if err != nil {
+		return nil, err
+	}
+
+	vals := make(url.Values)
+	for k, v := range kv {
+		switch v.(type) {
+		case []string:
+			s := v.([]string)
+			for i := range s {
+				if i == 0 {
+					vals.Set(k, s[i])
+				}
+
+				vals.Add(k, s[i])
+			}
+		default:
+			vals.Set(k, fmt.Sprintf("%v", v))
+		}
+	}
+
+	at := a()
+
+	dec := schema.NewDecoder()
+	dec.IgnoreUnknownKeys(true)
+	dec.SetAliasTag("json")
+	err = dec.Decode(at, vals)
+	if err != nil {
+		return nil, err
+	}
+
+	e, ok := at.(editor.Editable)
+	if !ok {
+		return nil, fmt.Errorf("Addon is not editable - must implement editor.Editable: %T", at)
+	}
+
+	v, err := e.MarshalEditor()
+	if err != nil {
+		return nil, fmt.Errorf("Couldn't marshal editor for addon: %s", err.Error())
+	}
+
+	inputs := &bytes.Buffer{}
+	fields := []string{
+		"addon_name",
+		"addon_author",
+		"addon_author_url",
+		"addon_version",
+		"addon_reverse_dns",
+		"addon_status",
+	}
+
+	for _, f := range fields {
+		input := fmt.Sprintf(defaultInput, f, gjson.GetBytes(data, f).String())
+		_, err := inputs.WriteString(input)
+		if err != nil {
+			return nil, fmt.Errorf("Failed to write input for addon view: %s", f)
+		}
+	}
+
+	m := manager{
+		DefaultInputs: template.HTML(inputs.Bytes()),
+		Editor:        template.HTML(v),
+		AddonName:     gjson.GetBytes(data, "addon_name").String(),
+	}
+
+	// execute html template into buffer for func return val
+	buf := &bytes.Buffer{}
+	tmpl := template.Must(template.New("manager").Parse(managerHTML))
+	tmpl.Execute(buf, m)
+
+	return buf.Bytes(), nil
+}