search: Update description string for channel terms.

web/src/filter.ts

@@ -45,6 +45,11 @@ type Part =
           topic_display_name: string;
           is_empty_string_topic: boolean;
       }
+    | {
+          type: "channel";
+          prefix_for_operator: string;
+          operand: string;
+      }
     | {
           type: "is_operator";
           verb: string;
@@ -694,7 +699,7 @@ export class Filter {
 
         switch (operator) {
             case "channel":
-                return verb + "channel";
+                return verb + "messages in #";
             case "channels":
                 return verb + "channels";
             case "near":
@@ -839,7 +844,7 @@ export class Filter {
                     const stream = stream_data.get_sub_by_id_string(operand);
                     if (stream) {
                         return {
-                            type: "prefix_for_operator",
+                            type: "channel",
                             prefix_for_operator,
                             operand: stream.name,
                         };

web/src/search_suggestion.ts

@@ -157,10 +157,9 @@ function get_channel_suggestions(last: NarrowTerm, terms: NarrowTerm[]): Suggest
     channels = typeahead_helper.sorter(query, channels, (x) => x);
 
     return channels.map((channel_name) => {
-        const prefix = "channel";
+        const prefix = "messages in #";
         const verb = last.negated ? "exclude " : "";
-        const description_html =
-            verb + prefix + " " + Handlebars.Utils.escapeExpression(channel_name);
+        const description_html = verb + prefix + Handlebars.Utils.escapeExpression(channel_name);
         const channel = stream_data.get_sub_by_name(channel_name);
         assert(channel !== undefined);
         const term = {

web/templates/search_description.hbs

@@ -4,10 +4,14 @@
         {{~this.content~}}
     {{else if (eq this.type "channel_topic")}}
         {{~#if is_empty_string_topic~}}
-        channel {{this.channel}} > <span class="empty-topic-display">{{this.topic_display_name}}</span>
+        messages in #{{this.channel}} > <span class="empty-topic-display">{{this.topic_display_name}}</span>
         {{~else~}}
-        channel {{this.channel}} > {{this.topic_display_name}}
+        messages in #{{this.channel}} > {{this.topic_display_name}}
         {{~/if~}}
+    {{else if (eq this.type "channel")}}
+        {{~!-- squash whitespace --~}}
+        {{this.prefix_for_operator}}{{this.operand}}
+        {{~!-- squash whitespace --~}}
     {{else if (eq this.type "invalid_has")}}
         {{~!-- squash whitespace --~}}
         invalid {{this.operand}} operand for has operator

web/tests/filter.test.cjs

@@ -1682,7 +1682,7 @@ test("describe", ({mock_template, override}) => {
         {operator: "channel", operand: devel_id.toString()},
         {operator: "is", operand: "starred"},
     ];
-    string = "channel devel, starred messages";
+    string = "messages in #devel, starred messages";
     assert.equal(Filter.search_description_as_html(narrow, false), string);
 
     const river_id = new_stream_id();
@@ -1691,14 +1691,14 @@ test("describe", ({mock_template, override}) => {
         {operator: "channel", operand: river_id.toString()},
         {operator: "is", operand: "unread"},
     ];
-    string = "channel river, unread messages";
+    string = "messages in #river, unread messages";
     assert.equal(Filter.search_description_as_html(narrow, false), string);
 
     narrow = [
         {operator: "channel", operand: devel_id.toString()},
         {operator: "topic", operand: "JS"},
     ];
-    string = "channel devel > JS";
+    string = "messages in #devel > JS";
     assert.equal(Filter.search_description_as_html(narrow, false), string);
 
     narrow = [
@@ -1754,7 +1754,7 @@ test("describe", ({mock_template, override}) => {
         {operator: "channel", operand: devel_id.toString()},
         {operator: "topic", operand: "JS", negated: true},
     ];
-    string = "channel devel, exclude topic JS";
+    string = "messages in #devel, exclude topic JS";
     assert.equal(Filter.search_description_as_html(narrow, false), string);
 
     narrow = [
@@ -1768,28 +1768,28 @@ test("describe", ({mock_template, override}) => {
         {operator: "channel", operand: devel_id.toString()},
         {operator: "is", operand: "starred", negated: true},
     ];
-    string = "channel devel, exclude starred messages";
+    string = "messages in #devel, exclude starred messages";
     assert.equal(Filter.search_description_as_html(narrow, false), string);
 
     narrow = [
         {operator: "channel", operand: devel_id.toString()},
         {operator: "has", operand: "image", negated: true},
     ];
-    string = "channel devel, exclude messages with images";
+    string = "messages in #devel, exclude messages with images";
     assert.equal(Filter.search_description_as_html(narrow, false), string);
 
     narrow = [
         {operator: "has", operand: "abc", negated: true},
         {operator: "channel", operand: devel_id.toString()},
     ];
-    string = "invalid abc operand for has operator, channel devel";
+    string = "invalid abc operand for has operator, messages in #devel";
     assert.equal(Filter.search_description_as_html(narrow, false), string);
 
     narrow = [
         {operator: "has", operand: "image", negated: true},
         {operator: "channel", operand: devel_id.toString()},
     ];
-    string = "exclude messages with images, channel devel";
+    string = "exclude messages with images, messages in #devel";
     assert.equal(Filter.search_description_as_html(narrow, false), string);
 
     narrow = [];
@@ -1801,7 +1801,7 @@ test("describe", ({mock_template, override}) => {
         {operator: "stream", operand: devel_id.toString()},
         {operator: "subject", operand: "JS", negated: true},
     ];
-    string = "channel devel, exclude topic JS";
+    string = "messages in #devel, exclude topic JS";
     assert.equal(Filter.search_description_as_html(narrow, false), string);
 
     // Empty string topic involved.
@@ -1810,7 +1810,8 @@ test("describe", ({mock_template, override}) => {
         {operator: "channel", operand: devel_id.toString()},
         {operator: "topic", operand: ""},
     ];
-    string = 'channel devel > <span class="empty-topic-display">translated: general chat</span>';
+    string =
+        'messages in #devel > <span class="empty-topic-display">translated: general chat</span>';
     assert.equal(Filter.search_description_as_html(narrow, false), string);
 
     narrow = [

web/tests/search_suggestion.test.cjs

@@ -706,7 +706,7 @@ test("topic_suggestions", ({override, mock_template}) => {
         return suggestions.lookup_table.get(q).description_html;
     }
     assert.equal(describe("te"), "Search for te");
-    assert.equal(describe(`channel:${office_id} topic:team`), "Channel office > team");
+    assert.equal(describe(`channel:${office_id} topic:team`), "Messages in #office > team");
 
     suggestions = get_suggestions(`topic:staplers channel:${office_id}`);
     expected = [`topic:staplers channel:${office_id}`, "topic:staplers"];
@@ -826,7 +826,7 @@ test("xss_channel_name", () => {
     const suggestions = get_suggestions(query);
     assert.deepEqual(
         suggestions.lookup_table.get(`channel:${stream_id}`).description_html,
-        "Channel <em> Italics </em>",
+        "Messages in #<em> Italics </em>",
     );
 });