[feature] Implement reports admin API so admins can view + close reports (#1378)

* add admin report api endpoints + tests

* [chore] remove funky duplicate attachment in testrig

internal/processing/admin/getreports.go

@@ -0,0 +1,92 @@
+/*
+   GoToSocial
+   Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
+
+   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 admin
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+
+	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	"github.com/superseriousbusiness/gotosocial/internal/db"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/util"
+)
+
+func (p *processor) ReportsGet(
+	ctx context.Context,
+	account *gtsmodel.Account,
+	resolved *bool,
+	accountID string,
+	targetAccountID string,
+	maxID string,
+	sinceID string,
+	minID string,
+	limit int,
+) (*apimodel.PageableResponse, gtserror.WithCode) {
+	reports, err := p.db.GetReports(ctx, resolved, accountID, targetAccountID, maxID, sinceID, minID, limit)
+	if err != nil {
+		if err == db.ErrNoEntries {
+			return util.EmptyPageableResponse(), nil
+		}
+		return nil, gtserror.NewErrorInternalError(err)
+	}
+
+	count := len(reports)
+	items := make([]interface{}, 0, count)
+	nextMaxIDValue := ""
+	prevMinIDValue := ""
+	for i, r := range reports {
+		item, err := p.tc.ReportToAdminAPIReport(ctx, r, account)
+		if err != nil {
+			return nil, gtserror.NewErrorInternalError(fmt.Errorf("error converting report to api: %s", err))
+		}
+
+		if i == count-1 {
+			nextMaxIDValue = item.ID
+		}
+
+		if i == 0 {
+			prevMinIDValue = item.ID
+		}
+
+		items = append(items, item)
+	}
+
+	extraQueryParams := []string{}
+	if resolved != nil {
+		extraQueryParams = append(extraQueryParams, "resolved="+strconv.FormatBool(*resolved))
+	}
+	if accountID != "" {
+		extraQueryParams = append(extraQueryParams, "account_id="+accountID)
+	}
+	if targetAccountID != "" {
+		extraQueryParams = append(extraQueryParams, "target_account_id="+targetAccountID)
+	}
+
+	return util.PackagePageableResponse(util.PageableResponseParams{
+		Items:            items,
+		Path:             "/api/v1/admin/reports",
+		NextMaxIDValue:   nextMaxIDValue,
+		PrevMinIDValue:   prevMinIDValue,
+		Limit:            limit,
+		ExtraQueryParams: extraQueryParams,
+	})
+}