Add saveAttachment() to the attachments plugin API

docs/plugin-api.md

@@ -70,6 +70,7 @@ Scroll down to [PluginAPI](#PluginAPI) for a list of properties available to plu
 | --- | --- |
 | addStorageType | <code>AddAttachmentStorageTypeFn</code> | 
 | downloadAttachment | <code>DownloadAttachmentFn</code> | 
+| saveAttachment | <code>SaveAttachmentFn</code> | 
 
 <a name="PluginLogsAPI"></a>
 

src/data/attachments.js

@@ -60,6 +60,13 @@ function getErrorResult(msg = null) {
  * @return {void}
  */
 
+/**
+ * Saves the given attachment based on the configured storage system
+ * @callback SaveAttachmentFn
+ * @param {Eris.Attachment} attachment
+ * @returns {Promise<{ url: string }>}
+ */
+
 /**
  * @type {AttachmentStorageTypeHandler}
  */
@@ -206,11 +213,9 @@ async function attachmentToDiscordFileObject(attachment) {
 }
 
 /**
- * Saves the given attachment based on the configured storage system
- * @param {Eris.Attachment} attachment
- * @returns {Promise<{ url: string }>}
+ * @type {SaveAttachmentFn}
  */
-function saveAttachment(attachment) {
+const saveAttachment = (attachment) => {
   if (attachmentSavePromises[attachment.id]) {
     return attachmentSavePromises[attachment.id];
   }
@@ -226,7 +231,7 @@ function saveAttachment(attachment) {
   });
 
   return attachmentSavePromises[attachment.id];
-}
+};
 
 /**
  * @type AddAttachmentStorageTypeFn

src/pluginApi.js

@@ -33,6 +33,7 @@ const displayRoles = require("./data/displayRoles");
  * @typedef {object} PluginAttachmentsAPI
  * @property {AddAttachmentStorageTypeFn} addStorageType
  * @property {DownloadAttachmentFn} downloadAttachment
+ * @property {SaveAttachmentFn} saveAttachment
  */
 
 /**

src/plugins.js

@@ -115,7 +115,8 @@ module.exports = {
       },
       attachments: {
         addStorageType: attachments.addStorageType,
-        downloadAttachment: attachments.downloadAttachment
+        downloadAttachment: attachments.downloadAttachment,
+        saveAttachment: attachments.saveAttachment,
       },
       logs: {
         addStorageType: logs.addStorageType,