Implement channel search

lib/channels.js

@@ -150,6 +150,22 @@ module.exports = api => {
       return api.request(`/channels/${channelId}/mute`, {
         httpMethod: "DELETE"
       });
+    },
+
+    /**
+     * Retrieve a list of channels filtered by the given criteria.
+     *
+     * @example
+     * pnut.searchChannels({
+     *   isPublic: 1,
+     *   channelTypes: "io.pnut.core.chat",
+     *   categories: "fun"
+     * });
+     * @param {Object} params - Search parameters
+     * @returns {Promise}
+     */
+    searchChannels(params = {}) {
+      return api.request("/channels/search", { params: params });
     }
   };
 };

test/channels_test.js

@@ -64,6 +64,12 @@ before(function() {
   nock(base)
     .delete("/channels/1/mute")
     .reply(200, {});
+
+  nock(base)
+    .get(
+      "/channels/search?is_public=1&channel_types=io.pnut.core.chat&categories=fun"
+    )
+    .reply(200, {});
 });
 
 after(function() {
@@ -129,4 +135,14 @@ describe("Channels", () => {
   it("should be able to unmute a channel (pnut.unmuteChannel)", () => {
     return pnut.unmuteChannel(1).should.become({});
   });
+
+  it("should be possible to search for channels", () => {
+    return pnut
+      .searchChannels({
+        isPublic: 1,
+        channelTypes: "io.pnut.core.chat",
+        categories: "fun"
+      })
+      .should.become({});
+  });
 });