[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/api/client/admin/reportsget.go

@@ -0,0 +1,184 @@
+/*
+   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 (
+	"fmt"
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+	apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+	"github.com/superseriousbusiness/gotosocial/internal/oauth"
+)
+
+// ReportsGETHandler swagger:operation GET /api/v1/admin/reports adminReports
+//
+// View user moderation reports.
+//
+// The reports will be returned in descending chronological order (newest first), with sequential IDs (bigger = newer).
+//
+// The next and previous queries can be parsed from the returned Link header.
+//
+// Example:
+//
+// ```
+// <https://example.org/api/v1/admin/reports?limit=20&max_id=01FC0SKA48HNSVR6YKZCQGS2V8>; rel="next", <https://example.org/api/v1/admin/reports?limit=20&min_id=01FC0SKW5JK2Q4EVAV2B462YY0>; rel="prev"
+// ````
+//
+//	---
+//	tags:
+//	- admin
+//
+//	produces:
+//	- application/json
+//
+//	parameters:
+//	-
+//		name: resolved
+//		type: boolean
+//		description: >-
+//			If set to true, only resolved reports will be returned.
+//			If false, only unresolved reports will be returned.
+//			If unset, reports will not be filtered on their resolved status.
+//		in: query
+//	-
+//		name: account_id
+//		type: string
+//		description: Return only reports created by the given account id.
+//		in: query
+//	-
+//		name: target_account_id
+//		type: string
+//		description: Return only reports that target the given account id.
+//		in: query
+//	-
+//		name: max_id
+//		type: string
+//		description: >-
+//			Return only reports *OLDER* than the given max ID.
+//			The report with the specified ID will not be included in the response.
+//		in: query
+//	-
+//		name: since_id
+//		type: string
+//		description: >-
+//			Return only reports *NEWER* than the given since ID.
+//			The report with the specified ID will not be included in the response.
+//			This parameter is functionally equivalent to min_id.
+//		in: query
+//	-
+//		name: min_id
+//		type: string
+//		description: >-
+//			Return only reports *NEWER* than the given min ID.
+//			The report with the specified ID will not be included in the response.
+//			This parameter is functionally equivalent to since_id.
+//		in: query
+//	-
+//		name: limit
+//		type: integer
+//		description: >-
+//			Number of reports to return.
+//			If less than 1, will be clamped to 1.
+//			If more than 100, will be clamped to 100.
+//		default: 20
+//		in: query
+//
+//	security:
+//	- OAuth2 Bearer:
+//		- admin
+//
+//	responses:
+//		'200':
+//			name: reports
+//			description: Array of reports.
+//			schema:
+//				type: array
+//				items:
+//					"$ref": "#/definitions/adminReport"
+//		'400':
+//			description: bad request
+//		'401':
+//			description: unauthorized
+//		'404':
+//			description: not found
+//		'406':
+//			description: not acceptable
+//		'500':
+//			description: internal server error
+func (m *Module) ReportsGETHandler(c *gin.Context) {
+	authed, err := oauth.Authed(c, true, true, true, true)
+	if err != nil {
+		apiutil.ErrorHandler(c, gtserror.NewErrorUnauthorized(err, err.Error()), m.processor.InstanceGet)
+		return
+	}
+
+	if !*authed.User.Admin {
+		err := fmt.Errorf("user %s not an admin", authed.User.ID)
+		apiutil.ErrorHandler(c, gtserror.NewErrorForbidden(err, err.Error()), m.processor.InstanceGet)
+		return
+	}
+
+	if _, err := apiutil.NegotiateAccept(c, apiutil.JSONAcceptHeaders...); err != nil {
+		apiutil.ErrorHandler(c, gtserror.NewErrorNotAcceptable(err, err.Error()), m.processor.InstanceGet)
+		return
+	}
+
+	var resolved *bool
+	if resolvedString := c.Query(ResolvedKey); resolvedString != "" {
+		i, err := strconv.ParseBool(resolvedString)
+		if err != nil {
+			err := fmt.Errorf("error parsing %s: %s", ResolvedKey, err)
+			apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGet)
+			return
+		}
+		resolved = &i
+	}
+
+	limit := 20
+	if limitString := c.Query(LimitKey); limitString != "" {
+		i, err := strconv.Atoi(limitString)
+		if err != nil {
+			err := fmt.Errorf("error parsing %s: %s", LimitKey, err)
+			apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGet)
+			return
+		}
+
+		// normalize
+		if i <= 0 {
+			i = 1
+		} else if i >= 100 {
+			i = 100
+		}
+		limit = i
+	}
+
+	resp, errWithCode := m.processor.AdminReportsGet(c.Request.Context(), authed, resolved, c.Query(AccountIDKey), c.Query(TargetAccountIDKey), c.Query(MaxIDKey), c.Query(SinceIDKey), c.Query(MinIDKey), limit)
+	if errWithCode != nil {
+		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGet)
+		return
+	}
+
+	if resp.LinkHeader != "" {
+		c.Header("Link", resp.LinkHeader)
+	}
+	c.JSON(http.StatusOK, resp.Items)
+}