move i18n of UserActions to JS-side and make sentences translatable

app/assets/javascripts/discourse/models/user.js

@@ -380,6 +380,7 @@ Discourse.User = Discourse.Model.extend({
         var stat = Em.Object.create(s);
         stat.set('isPM', stat.get('action_type') === Discourse.UserAction.NEW_PRIVATE_MESSAGE ||
                          stat.get('action_type') === Discourse.UserAction.GOT_PRIVATE_MESSAGE);
+        stat.set('description', Em.String.i18n('user_action_groups.' + stat.get('action_type')));
         return stat;
       }));
 
@@ -438,7 +439,7 @@ Discourse.User.reopenClass({
           found = true;
           if (!g[k]) {
             g[k] = Em.Object.create({
-              description: Em.String.i18n("user_action_descriptions." + k),
+              description: Em.String.i18n("user_action_groups." + k),
               count: 0,
               action_type: parseInt(k, 10)
             });

app/assets/javascripts/discourse/models/user_action.js

@@ -8,6 +8,71 @@
 **/
 Discourse.UserAction = Discourse.Model.extend({
 
+  descriptionHtml: (function() {
+    var action = this.get('action_type');
+    var ua = Discourse.UserAction;
+    var actions = [ua.LIKE, ua.WAS_LIKED, ua.STAR, ua.EDIT, ua.BOOKMARK, ua.GOT_PRIVATE_MESSAGE, ua.NEW_PRIVATE_MESSAGE];
+    var icon = "";
+    var sentence = "";
+
+    var fill = function(s, links) {
+      for (var key in links) {
+        var link = links[key];
+        s = s.replace("<" + key + ">", "<a href='" + link + "'>");
+        s = s.replace("</" + key + ">", "</a>");
+      }
+      return s;
+    };
+
+    var sameUser = this.get('username') === Discourse.get('currentUser.username');
+    var params;
+
+    if (action === null || actions.indexOf(action) >= 0) {
+      params = { u: this.get('userUrl') };
+      if (this.get('isPM')) {
+        icon = '<i class="icon icon-envelope-alt" title="{{i18n user.stream.private_message}}"></i>';
+        if (sameUser) {
+          sentence = fill(Em.String.i18n('user_action.sent_by_you'), params);
+        } else {
+          sentence = fill(Em.String.i18n('user_action.sent_by_user', { user: this.get('name') }), params);
+        }
+      } else {
+        if (sameUser) {
+          sentence = fill(Em.String.i18n('user_action.posted_by_you'), params);
+        } else {
+          sentence = fill(Em.String.i18n('user_action.posted_by_user', { user: this.get('name') }), params);
+        }
+      }
+    } else if (action === ua.NEW_TOPIC) {
+      params = { u: this.get('userUrl'), t: this.get('replyUrl') };
+      if (sameUser) {
+        sentence = fill(Em.String.i18n('user_action.you_posted_topic'), params);
+      } else {
+        sentence = fill(Em.String.i18n('user_action.user_posted_topic', { user: this.get('name') }), params);
+      }
+    } else if (action === ua.POST || action === ua.RESPONSE) {
+      if (this.get('reply_to_post_number')) {
+        params = { u: this.get('userUrl'), t: this.get('postUrl') };
+        if (sameUser) {
+          sentence = fill(Em.String.i18n('user_action.you_replied_to_post', { post_number: '#' + this.get('reply_to_post_number') }), params);
+        } else {
+          sentence = fill(Em.String.i18n('user_action.user_replied_to_post', { user: this.get('name'), post_number: '#' + this.get('reply_to_post_number') }), params);
+        }
+      } else {
+        params = { u: this.get('userUrl'), t: this.get('replyUrl') };
+        if (sameUser) {
+          sentence = fill(Em.String.i18n('user_action.you_replied_to_topic'), params);
+        } else {
+          sentence = fill(Em.String.i18n('user_action.user_replied_to_topic', { user: this.get('name') }), params);
+        }
+      }
+    } else {
+      throw "Invalid user action: " + action;
+    }
+
+    return new Handlebars.SafeString(icon + " " + sentence);
+  }).property(),
+
   userUrl: (function() {
     return Discourse.Utilities.userUrl(this.get('username'));
   }).property(),

app/assets/javascripts/discourse/templates/user/stream.js.handlebars

@@ -7,31 +7,7 @@
         <span class="title">
           <a href="{{unbound postUrl}}">{{unbound title}}</a>
         </span>
-        {{#unless description}}
-          <span class="type">
-          {{#if isPM}}
-            <i class="icon icon-envelope-alt" title="{{i18n user.stream.private_message}}"></i>
-            {{i18n user.stream.sent_by}}
-          {{else}}
-            {{i18n user.stream.posted_by}}
-          {{/if}}
-          </span>
-        {{/unless}}
-        <a class='name' href="{{unbound userUrl}}">{{personalizedName name usernamePath="username"}}</a>
-        {{#if description}}
-          <span class='type'>{{unbound description}}</span>
-          {{#if isPostAction}}
-            <a class="post-number" href="{{unbound replyUrl}}">
-            {{#if reply_to_post_number}}
-              #{{unbound reply_to_post_number}}
-            {{else}}
-              {{i18n user.stream.the_topic}}
-            {{/if}}
-            </a>
-          {{else}}
-            <span class="name">{{personalizedName view.parentView.parentView.user.name usernamePath="view.parentView.parentView.user.username"}}</span>
-          {{/if}}
-        {{/if}}
+        <span class="type">{{unbound descriptionHtml}}</span>
       </div>
       <p class='excerpt'>
       {{{unbound excerpt}}}

app/models/user_action.rb

@@ -36,7 +36,7 @@ class UserAction < ActiveRecord::Base
   ].each_with_index.to_a.flatten]
 
   def self.stats(user_id, guardian)
-    results = UserAction.select("action_type, COUNT(*) count, '' AS description")
+    results = UserAction.select("action_type, COUNT(*) count")
       .joins(:target_topic)
       .where(user_id: user_id)
       .group('action_type')
@@ -53,9 +53,6 @@ class UserAction < ActiveRecord::Base
     results = results.to_a
 
     results.sort! { |a,b| ORDER[a.action_type] <=> ORDER[b.action_type] }
-    results.each do |row|
-      row.description = self.description(row.action_type, detailed: true)
-    end
 
     results
   end
@@ -122,7 +119,6 @@ JOIN users pu on pu.id = COALESCE(p.user_id, t.user_id)
 
     data.each do |row|
       row["action_type"] = row["action_type"].to_i
-      row["description"] = self.description(row["action_type"])
       row["created_at"] = DateTime.parse(row["created_at"])
       # we should probably cache the excerpts in the db at some point
       row["excerpt"] = PrettyText.excerpt(row["cooked"],300) if row["cooked"]
@@ -137,60 +133,6 @@ JOIN users pu on pu.id = COALESCE(p.user_id, t.user_id)
     data
   end
 
-  def self.description(row, opts = {})
-    t = I18n.t('user_action_descriptions')
-    if opts[:detailed]
-      # will localize as soon as we stablize the names here
-      desc = case row.to_i
-      when BOOKMARK
-        t[:bookmarks]
-      when NEW_TOPIC
-        t[:topics]
-      when WAS_LIKED
-        t[:likes_received]
-      when LIKE
-        t[:likes_given]
-      when RESPONSE
-        t[:responses]
-      when POST
-        t[:posts]
-      when MENTION
-        t[:mentions]
-      when QUOTE
-        t[:quotes]
-      when EDIT
-        t[:edits]
-      when STAR
-        t[:favorites]
-      when NEW_PRIVATE_MESSAGE
-        t[:sent_items]
-      when GOT_PRIVATE_MESSAGE
-        t[:inbox]
-      end
-    else
-      desc =
-      case row.to_i
-      when NEW_TOPIC
-        then t[:posted]
-      when LIKE,WAS_LIKED
-        then t[:liked]
-      when RESPONSE,POST
-        then t[:responded_to]
-      when BOOKMARK
-        then t[:bookmarked]
-      when MENTION
-        then t[:mentioned]
-      when QUOTE
-        then t[:quoted]
-      when STAR
-        then t[:favorited]
-      when EDIT
-        then t[:edited]
-      end
-    end
-    desc
-  end
-
   def self.log_action!(hash)
     require_parameters(hash, :action_type, :user_id, :acting_user_id, :target_topic_id, :target_post_id)
     transaction(requires_new: true) do

config/locales/client.en.yml

@@ -48,8 +48,35 @@ en:
     saving: "Saving..."
     saved: "Saved!"
 
-    user_action_descriptions:
+    user_action:
+      user_posted_topic: "<u>{{user}}</u> posted <t>the topic</t>"
+      you_posted_topic: "<u>You</u> posted <t>the topic</t>"
+      user_replied_to_post: "<u>{{user}}</u> replied to <t>{{post_number}}</t>"
+      you_replied_to_post: "<u>You</u> replied to <t>{{post_number}}</t>"
+      user_replied_to_topic: "<u>{{user}}</u> replied to <t>the topic</t>"
+      you_replied_to_topic: "<u>You</u> replied to <t>the topic</t>"
+
+      user_mentioned_user: "<u1>{{user}}</u1> mentioned <u2>{{another_user}}</u2>"
+      user_mentioned_you: "<u1>{{user}}</u1> mentioned <u2>you</u2>"
+
+      posted_by_user: "Posted by <u>{{user}}</u>"
+      posted_by_you: "Posted by <u>you</u>"
+      sent_by_user: "Sent by <u>{{user}}</u>"
+      sent_by_you: "Sent by <u>you</u>"
+
+    user_action_groups:
+      "1": "Likes Given"
+      "2": "Likes Received"
+      "3": "Bookmarks"
+      "4": "Topics"
+      "5": "Posts"
       "6": "Responses"
+      "7": "Mentions"
+      "9": "Quotes"
+      "10": "Favorites"
+      "11": "Edits"
+      "12": "Sent Items"
+      "13": "Inbox"
 
     user:
       information: "User Information"

config/locales/server.en.yml

@@ -518,31 +518,6 @@ en:
   most_recent_poster: "Most Recent Poster"
   frequent_poster: "Frequent Poster"
 
-  user_action_descriptions:
-    bookmarks: "Bookmarks"
-    topics: "Topics"
-    likes_received: "Likes Received"
-    likes_given: "Likes Given"
-    responses: "Responses"
-    topic_responses: "Topic Responses"
-    posts: "Posts"
-    mentions: "Mentions"
-    quotes: "Quotes"
-    edits: "Edits"
-    favorites: "Favorites"
-    sent_items: "Sent Items"
-    inbox: "Inbox"
-
-    was_liked: "was liked"
-    liked: "liked"
-    bookmarked: "bookmarked"
-    posted: "posted"
-    responded_to: "replied to"
-    mentioned: "mentioned"
-    quoted: "quoted"
-    favorited: "favorited"
-    edited: "edited"
-
   move_posts:
     moderator_post:
       one: "I moved a post to a new topic: %{topic_link}"