JavaScriptSolidServer
diff --git a/‎src/chat/chatLogic.js‎
Lines changed: 42 additions & 25 deletions b/‎src/chat/chatLogic.js‎
Lines changed: 42 additions & 25 deletions
@@ -1,22 +1,32 @@
 /**
- * Contains the [[ChatChannel]] class
+ * Contains the [[ChatChannel]] class and logic for Solid Chat
  * @packageDocumentation
  */
 
+import * as debug from '../debug'
+import { authn } from '../authn/index'
 import { DateFolder } from './dateFolder'
 import { store } from '../logic'
 import * as ns from '../ns'
 import * as $rdf from 'rdflib' // pull in first avoid cross-refs
-
-const store = store
+import * as utils from '../utils'
 
 /* The Solid logic for a 'LongChat'
 */
+/**
+ * Common code for a chat (discussion area of messages about something)
+ * This version runs over a series of files for different time periods
+ *
+ * Parameters for the whole chat like its title are stored on
+ * index.ttl#this and the chats messages are stored in YYYY/MM/DD/chat.ttl
+ *
+ */
+
 export class ChatChannel {
   constructor (channelRoot, options) {
     this.channelRoot = channelRoot
     this.options = options
-    this.dateFolder = new DateFolder(channelRoot)
+    this.dateFolder = new DateFolder(channelRoot, 'chat.ttl')
   }
 
   /* Store a new message in the web,
@@ -32,13 +42,15 @@ export class ChatChannel {
     const message = store.sym(chatDocument.uri + '#' + 'Msg' + timestamp)
     const content = store.literal(newContent)
 
+    const me = authn.currentUser() // If already logged on
+
     if (oldMsg) { // edit message
       sts.push(
         new $rdf.Statement(mostRecentVersion(oldMsg), ns.dct('isReplacedBy'), message, chatDocument)
       )
     } else {
       sts.push( // new message
-        new $rdf.Statement(chatChannel, ns.wf('message'), message, chatDocument)
+        new $rdf.Statement(this.chatChannel, ns.wf('message'), message, chatDocument)
       )
     }
     sts.push(
@@ -60,29 +72,26 @@ export class ChatChannel {
     return { message, dateStamp, content, chatDocument, sts }
   }
 
-
-  deleteMessage  (newContent, oldMsg = null) {
+  async deleteMessage (message) {
     const sts = []
-    const now = new Date()
-    const timestamp = '' + now.getTime()
-    const dateStamp = $rdf.term(now)
-
-    const chatDocument = oldMsg.doc()
-
+    const dateStamp = $rdf.term(new Date())
+    const chatDocument = message.doc()
     sts.push(
-      new $rdf.Statement(mostRecentVersion(oldMsg), ns.schema('dateDeleted'), dateStamp, chatDocument)
+      new $rdf.Statement(mostRecentVersion(message), ns.schema('dateDeleted'), dateStamp, chatDocument)
     )
-
     sts.push(
-      new $rdf.Statement(mostRecentVersion(oldMsg), ns.schema('dateDeleted'), dateStamp, chatDocument)
+      new $rdf.Statement(mostRecentVersion(message), ns.schema('dateDeleted'), dateStamp, chatDocument)
     )
-
-    return
-  }
-
+    try {
+      store.updater.update([], sts)
+    } catch (err) {
+      const msg = 'Error deleting chat essage: ' + err
+      alert(msg)
+    }
+  } // method
 } // class ChatChannel
 
-export function  mostRecentVersion (message) {
+export function mostRecentVersion (message) {
   let msg = message
   while (msg) {
     message = msg
@@ -94,26 +103,33 @@ export function  mostRecentVersion (message) {
   return message
 }
 
+// A Nickname for a person
+
+export function nick (person) {
+  const s = store.any(person, ns.foaf('nick'))
+  if (s) return '' + s.value
+  return '' + utils.label(person)
+}
+
 export async function createIfNotExists (doc, contentType = 'text/turtle', data = '') {
-  const fetcher = UI.store.fetcher
   let response
   try {
-    response = await fetcher.load(doc)
+    response = await store.fetcher.load(doc)
   } catch (err) {
     if (err.response.status === 404) {
       debug.log(
         'createIfNotExists: doc does NOT exist, will create... ' + doc
       )
       try {
-        response = await fetcher.webOperation('PUT', doc.uri, {
+        response = await store.fetcher.webOperation('PUT', doc.uri, {
           data,
           contentType
         })
       } catch (err) {
         debug.log('createIfNotExists doc FAILED: ' + doc + ': ' + err)
         throw err
       }
-      delete fetcher.requested[doc.uri] // delete cached 404 error
+      delete store.fetcher.requested[doc.uri] // delete cached 404 error
       // debug.log('createIfNotExists doc created ok ' + doc)
       return response
     } else {
@@ -126,3 +142,4 @@ export async function createIfNotExists (doc, contentType = 'text/turtle', data
   // debug.log('createIfNotExists: doc exists, all good: ' + doc)
   return response
 }
+// ends