Added arn to the main repository

arn/AMVAPI.go

@@ -0,0 +1,139 @@
+package arn
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path"
+	"reflect"
+
+	"github.com/aerogo/aero"
+	"github.com/aerogo/api"
+)
+
+// Force interface implementations
+var (
+	_ Publishable            = (*AMV)(nil)
+	_ Likeable               = (*AMV)(nil)
+	_ LikeEventReceiver      = (*AMV)(nil)
+	_ PostParent             = (*AMV)(nil)
+	_ fmt.Stringer           = (*AMV)(nil)
+	_ api.Newable            = (*AMV)(nil)
+	_ api.Editable           = (*AMV)(nil)
+	_ api.Deletable          = (*AMV)(nil)
+	_ api.ArrayEventListener = (*AMV)(nil)
+)
+
+// Actions
+func init() {
+	API.RegisterActions("AMV", []*api.Action{
+		// Publish
+		PublishAction(),
+
+		// Unpublish
+		UnpublishAction(),
+
+		// Like
+		LikeAction(),
+
+		// Unlike
+		UnlikeAction(),
+	})
+}
+
+// Create sets the data for a new AMV with data we received from the API request.
+func (amv *AMV) Create(ctx aero.Context) error {
+	user := GetUserFromContext(ctx)
+
+	if user == nil {
+		return errors.New("Not logged in")
+	}
+
+	amv.ID = GenerateID("AMV")
+	amv.Created = DateTimeUTC()
+	amv.CreatedBy = user.ID
+
+	// Write log entry
+	logEntry := NewEditLogEntry(user.ID, "create", "AMV", amv.ID, "", "", "")
+	logEntry.Save()
+
+	return amv.Unpublish()
+}
+
+// Edit creates an edit log entry.
+func (amv *AMV) Edit(ctx aero.Context, key string, value reflect.Value, newValue reflect.Value) (consumed bool, err error) {
+	return edit(amv, ctx, key, value, newValue)
+}
+
+// OnAppend saves a log entry.
+func (amv *AMV) OnAppend(ctx aero.Context, key string, index int, obj interface{}) {
+	onAppend(amv, ctx, key, index, obj)
+}
+
+// OnRemove saves a log entry.
+func (amv *AMV) OnRemove(ctx aero.Context, key string, index int, obj interface{}) {
+	onRemove(amv, ctx, key, index, obj)
+}
+
+// DeleteInContext deletes the amv in the given context.
+func (amv *AMV) DeleteInContext(ctx aero.Context) error {
+	user := GetUserFromContext(ctx)
+
+	// Write log entry
+	logEntry := NewEditLogEntry(user.ID, "delete", "AMV", amv.ID, "", fmt.Sprint(amv), "")
+	logEntry.Save()
+
+	return amv.Delete()
+}
+
+// Delete deletes the object from the database.
+func (amv *AMV) Delete() error {
+	if amv.IsDraft {
+		draftIndex := amv.Creator().DraftIndex()
+		draftIndex.AMVID = ""
+		draftIndex.Save()
+	}
+
+	// Remove posts
+	for _, post := range amv.Posts() {
+		err := post.Delete()
+
+		if err != nil {
+			return err
+		}
+	}
+
+	// Remove file
+	if amv.File != "" {
+		err := os.Remove(path.Join(Root, "videos", "amvs", amv.File))
+
+		if err != nil {
+			return err
+		}
+	}
+
+	DB.Delete("AMV", amv.ID)
+	return nil
+}
+
+// Authorize returns an error if the given API POST request is not authorized.
+func (amv *AMV) Authorize(ctx aero.Context, action string) error {
+	user := GetUserFromContext(ctx)
+
+	if user == nil {
+		return errors.New("Not logged in")
+	}
+
+	if action == "delete" {
+		if user.Role != "editor" && user.Role != "admin" {
+			return errors.New("Insufficient permissions")
+		}
+	}
+
+	return nil
+}
+
+// Save saves the amv object in the database.
+func (amv *AMV) Save() {
+	DB.Set("AMV", amv.ID, amv)
+}