[feature] Add List functionality (#1802)

* start working on lists

* further list work

* test list db functions nicely

* more work on lists

* peepoopeepoo

* poke

* start list timeline func

* we're getting there lads

* couldn't be me working on stuff... could it?

* hook up handlers

* fiddling

* weeee

* woah

* screaming, pissing

* fix streaming being a whiny baby

* lint, small test fix, swagger

* tidying up, testing

* fucked! by the linter

* move timelines to state like a boss

* add timeline start to tests using state

* invalidate lists

1 files changed, 103 insertions, 0 deletions

diff --git a/internal/api/client/accounts/lists_test.go b/internal/api/client/accounts/lists_test.go
new file mode 100644
index 000000000..6984d6ef8
--- /dev/null
+++ b/internal/api/client/accounts/lists_test.go
@@ -0,0 +1,103 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package accounts_test
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+	"github.com/superseriousbusiness/gotosocial/internal/oauth"
+	"github.com/superseriousbusiness/gotosocial/testrig"
+)
+
+type ListsTestSuite struct {
+	AccountStandardTestSuite
+}
+
+func (suite *ListsTestSuite) getLists(targetAccountID string, expectedHTTPStatus int, expectedBody string) []*apimodel.List {
+	var (
+		recorder = httptest.NewRecorder()
+		ctx, _   = testrig.CreateGinTestContext(recorder, nil)
+		request  = httptest.NewRequest(http.MethodGet, "http://localhost:8080/api/v1/accounts/"+targetAccountID+"/lists", nil)
+	)
+
+	// Set up the test context.
+	ctx.Request = request
+	ctx.AddParam("id", targetAccountID)
+	ctx.Set(oauth.SessionAuthorizedAccount, suite.testAccounts["local_account_1"])
+	ctx.Set(oauth.SessionAuthorizedToken, oauth.DBTokenToToken(suite.testTokens["local_account_1"]))
+	ctx.Set(oauth.SessionAuthorizedApplication, suite.testApplications["application_1"])
+	ctx.Set(oauth.SessionAuthorizedUser, suite.testUsers["local_account_1"])
+
+	// Trigger the handler.
+	suite.accountsModule.AccountListsGETHandler(ctx)
+
+	// Read the result.
+	result := recorder.Result()
+	defer result.Body.Close()
+
+	b, err := io.ReadAll(result.Body)
+	if err != nil {
+		suite.FailNow(err.Error())
+	}
+
+	errs := gtserror.MultiError{}
+
+	// Check expected code + body.
+	if resultCode := recorder.Code; expectedHTTPStatus != resultCode {
+		errs = append(errs, fmt.Sprintf("expected %d got %d", expectedHTTPStatus, resultCode))
+	}
+
+	// If we got an expected body, return early.
+	if expectedBody != "" && string(b) != expectedBody {
+		errs = append(errs, fmt.Sprintf("expected %s got %s", expectedBody, string(b)))
+	}
+
+	if err := errs.Combine(); err != nil {
+		suite.FailNow("", "%v (body %s)", err, string(b))
+	}
+
+	// Return list response.
+	resp := new([]*apimodel.List)
+	if err := json.Unmarshal(b, resp); err != nil {
+		suite.FailNow(err.Error())
+	}
+
+	return *resp
+}
+
+func (suite *ListsTestSuite) TestGetListsHit() {
+	targetAccount := suite.testAccounts["admin_account"]
+	suite.getLists(targetAccount.ID, http.StatusOK, `[{"id":"01H0G8E4Q2J3FE3JDWJVWEDCD1","title":"Cool Ass Posters From This Instance","replies_policy":"followed"}]`)
+}
+
+func (suite *ListsTestSuite) TestGetListsNoHit() {
+	targetAccount := suite.testAccounts["remote_account_1"]
+	suite.getLists(targetAccount.ID, http.StatusOK, `[]`)
+}
+
+func TestListsTestSuite(t *testing.T) {
+	suite.Run(t, new(ListsTestSuite))
+}