profile: store preferred language in the database

src/routes/profile.js

@@ -8,6 +8,7 @@ exports = module.exports = {
     setFallbackEmail,
     getAvatar,
     setAvatar,
+    setLanguage,
     getBackgroundImage,
     setBackgroundImage,
     setPassword,
@@ -65,6 +66,7 @@ async function get(req, res, next) {
         role: req.user.role,
         source: req.user.source,
         hasBackgroundImage: !!backgroundImage,
+        language: req.user.language,
         avatarUrl: `https://${dashboardFqdn}/api/v1/profile/avatar/${req.user.id}`,
         avatarType: avatarType.toString() // this is a Buffer
     }));
@@ -106,6 +108,18 @@ async function setDisplayName(req, res, next) {
     next(new HttpSuccess(204));
 }
 
+async function setLanguage(req, res, next) {
+    assert.strictEqual(typeof req.user, 'object');
+    assert.strictEqual(typeof req.body, 'object');
+
+    if ('language' in req.body && typeof req.body.language !== 'string') return next(new HttpError(400, 'language must be string'));
+
+    const [error] = await safe(users.update(req.user, { language: req.body.language }, AuditSource.fromRequest(req)));
+    if (error) return next(BoxError.toHttpError(error));
+
+    next(new HttpSuccess(204));
+}
+
 async function setAvatar(req, res, next) {
     assert.strictEqual(typeof req.user, 'object');
 

src/routes/test/profile-test.js

@@ -56,6 +56,7 @@ describe('Profile API', function () {
             expect(response.body.displayName).to.be.a('string');
             expect(response.body.password).to.not.be.ok();
             expect(response.body.salt).to.not.be.ok();
+            expect(response.body.language).to.be('');
         });
 
         it('fails with expired token', async function () {
@@ -370,4 +371,54 @@ describe('Profile API', function () {
             expect(response.body).to.eql(defaultAvatar);
         });
     });
+
+    describe('language', function () {
+        it('fails to set unknown language', async function () {
+            const response = await superagent.post(`${serverUrl}/api/v1/profile/language`)
+                .query({ access_token: user.token })
+                .send({ language: 'ta' })
+                .ok(() => true);
+            expect(response.statusCode).to.be(400);
+        });
+
+        it('fails to set bad language', async function () {
+            const response = await superagent.post(`${serverUrl}/api/v1/profile/language`)
+                .query({ access_token: user.token })
+                .send({ language: 123 })
+                .ok(() => true);
+            expect(response.statusCode).to.be(400);
+        });
+
+        it('fails to set unknown language', async function () {
+            const response = await superagent.post(`${serverUrl}/api/v1/profile/language`)
+                .query({ access_token: user.token })
+                .send({ language: 'ta' })
+                .ok(() => true);
+            expect(response.statusCode).to.be(400);
+        });
+
+        it('set valid language', async function () {
+            const response = await superagent.post(`${serverUrl}/api/v1/profile/language`)
+                .query({ access_token: user.token })
+                .send({ language: 'en' });
+            expect(response.statusCode).to.be(204);
+        });
+
+        it('did set language', async function () {
+            const response = await superagent.get(`${serverUrl}/api/v1/profile`).query({ access_token: user.token });
+            expect(response.body.language).to.contain('en');
+        });
+
+        it('reset valid language', async function () {
+            const response = await superagent.post(`${serverUrl}/api/v1/profile/language`)
+                .query({ access_token: user.token })
+                .send({ language: '' });
+            expect(response.statusCode).to.be(204);
+        });
+
+        it('did reset language', async function () {
+            const response = await superagent.get(`${serverUrl}/api/v1/profile`).query({ access_token: user.token });
+            expect(response.body.language).to.contain('');
+        });
+    });
 });