logs-content: Enabled altering of history (added edit options for log posts)

rpdata/api/Post.js

@@ -43,6 +43,28 @@ class PostAPI {
     })
   }
 
+  /**
+   * Call `editPost(input)` mutation, returns the id and edited fields of the post
+   * 
+   * @param {{id:string, time:Date, kind:string, nick:string, text:string}} input 
+   * @returns {Promise<{id:string, time:Date, kind:string, nick:string, text:string}>}
+   */
+  edit(input) {
+    return query(`
+      mutation RemovePost($input: PostEditInput!) {
+        editPost(input: $input) {
+          id
+          time
+          kind
+          nick
+          text
+        }
+      }
+    `, {input}, {permissions: ["post.edit"]}).then(({editPost}) => {
+       return editPost
+    })
+  }
+
   /**
    * Call `removePost(input)` mutation, returns the id of the affected post.
    *