gtsocial-umbx

relationship_follow_req.go (10618B)

---

 // 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 bundb
 
 import (
 	"context"
 	"errors"
 	"fmt"
 	"time"
 
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
 	"github.com/superseriousbusiness/gotosocial/internal/log"
 	"github.com/uptrace/bun"
 )
 
 func (r *relationshipDB) GetFollowRequestByID(ctx context.Context, id string) (*gtsmodel.FollowRequest, error) {
 	return r.getFollowRequest(
 		ctx,
 		"ID",
 		func(followReq *gtsmodel.FollowRequest) error {
 			return r.conn.NewSelect().
 				Model(followReq).
 				Where("? = ?", bun.Ident("id"), id).
 				Scan(ctx)
 		},
 		id,
 	)
 }
 
 func (r *relationshipDB) GetFollowRequestByURI(ctx context.Context, uri string) (*gtsmodel.FollowRequest, error) {
 	return r.getFollowRequest(
 		ctx,
 		"URI",
 		func(followReq *gtsmodel.FollowRequest) error {
 			return r.conn.NewSelect().
 				Model(followReq).
 				Where("? = ?", bun.Ident("uri"), uri).
 				Scan(ctx)
 		},
 		uri,
 	)
 }
 
 func (r *relationshipDB) GetFollowRequest(ctx context.Context, sourceAccountID string, targetAccountID string) (*gtsmodel.FollowRequest, error) {
 	return r.getFollowRequest(
 		ctx,
 		"AccountID.TargetAccountID",
 		func(followReq *gtsmodel.FollowRequest) error {
 			return r.conn.NewSelect().
 				Model(followReq).
 				Where("? = ?", bun.Ident("account_id"), sourceAccountID).
 				Where("? = ?", bun.Ident("target_account_id"), targetAccountID).
 				Scan(ctx)
 		},
 		sourceAccountID,
 		targetAccountID,
 	)
 }
 
 func (r *relationshipDB) GetFollowRequestsByIDs(ctx context.Context, ids []string) ([]*gtsmodel.FollowRequest, error) {
 	// Preallocate slice of expected length.
 	followReqs := make([]*gtsmodel.FollowRequest, 0, len(ids))
 
 	for _, id := range ids {
 		// Fetch follow request model for this ID.
 		followReq, err := r.GetFollowRequestByID(ctx, id)
 		if err != nil {
 			log.Errorf(ctx, "error getting follow request %q: %v", id, err)
 			continue
 		}
 
 		// Append to return slice.
 		followReqs = append(followReqs, followReq)
 	}
 
 	return followReqs, nil
 }
 
 func (r *relationshipDB) IsFollowRequested(ctx context.Context, sourceAccountID string, targetAccountID string) (bool, db.Error) {
 	followReq, err := r.GetFollowRequest(
 		gtscontext.SetBarebones(ctx),
 		sourceAccountID,
 		targetAccountID,
 	)
 	if err != nil && !errors.Is(err, db.ErrNoEntries) {
 		return false, err
 	}
 	return (followReq != nil), nil
 }
 
 func (r *relationshipDB) getFollowRequest(ctx context.Context, lookup string, dbQuery func(*gtsmodel.FollowRequest) error, keyParts ...any) (*gtsmodel.FollowRequest, error) {
 	// Fetch follow request from database cache with loader callback
 	followReq, err := r.state.Caches.GTS.FollowRequest().Load(lookup, func() (*gtsmodel.FollowRequest, error) {
 		var followReq gtsmodel.FollowRequest
 
 		// Not cached! Perform database query
 		if err := dbQuery(&followReq); err != nil {
 			return nil, r.conn.ProcessError(err)
 		}
 
 		return &followReq, nil
 	}, keyParts...)
 	if err != nil {
 		// error already processed
 		return nil, err
 	}
 
 	if gtscontext.Barebones(ctx) {
 		// Only a barebones model was requested.
 		return followReq, nil
 	}
 
 	// Set the follow request source account
 	followReq.Account, err = r.state.DB.GetAccountByID(
 		gtscontext.SetBarebones(ctx),
 		followReq.AccountID,
 	)
 	if err != nil {
 		return nil, fmt.Errorf("error getting follow request source account: %w", err)
 	}
 
 	// Set the follow request target account
 	followReq.TargetAccount, err = r.state.DB.GetAccountByID(
 		gtscontext.SetBarebones(ctx),
 		followReq.TargetAccountID,
 	)
 	if err != nil {
 		return nil, fmt.Errorf("error getting follow request target account: %w", err)
 	}
 
 	return followReq, nil
 }
 
 func (r *relationshipDB) PutFollowRequest(ctx context.Context, follow *gtsmodel.FollowRequest) error {
 	return r.state.Caches.GTS.FollowRequest().Store(follow, func() error {
 		_, err := r.conn.NewInsert().Model(follow).Exec(ctx)
 		return r.conn.ProcessError(err)
 	})
 }
 
 func (r *relationshipDB) UpdateFollowRequest(ctx context.Context, followRequest *gtsmodel.FollowRequest, columns ...string) error {
 	followRequest.UpdatedAt = time.Now()
 	if len(columns) > 0 {
 		// If we're updating by column, ensure "updated_at" is included.
 		columns = append(columns, "updated_at")
 	}
 
 	return r.state.Caches.GTS.FollowRequest().Store(followRequest, func() error {
 		if _, err := r.conn.NewUpdate().
 			Model(followRequest).
 			Where("? = ?", bun.Ident("follow_request.id"), followRequest.ID).
 			Column(columns...).
 			Exec(ctx); err != nil {
 			return r.conn.ProcessError(err)
 		}
 
 		return nil
 	})
 }
 
 func (r *relationshipDB) AcceptFollowRequest(ctx context.Context, sourceAccountID string, targetAccountID string) (*gtsmodel.Follow, db.Error) {
 	// Get original follow request.
 	followReq, err := r.GetFollowRequest(ctx, sourceAccountID, targetAccountID)
 	if err != nil {
 		return nil, err
 	}
 
 	// Create a new follow to 'replace'
 	// the original follow request with.
 	follow := &gtsmodel.Follow{
 		ID:              followReq.ID,
 		AccountID:       sourceAccountID,
 		Account:         followReq.Account,
 		TargetAccountID: targetAccountID,
 		TargetAccount:   followReq.TargetAccount,
 		URI:             followReq.URI,
 		ShowReblogs:     followReq.ShowReblogs,
 		Notify:          followReq.Notify,
 	}
 
 	if err := r.state.Caches.GTS.Follow().Store(follow, func() error {
 		// If the follow already exists, just
 		// replace the URI with the new one.
 		_, err := r.conn.
 			NewInsert().
 			Model(follow).
 			On("CONFLICT (?,?) DO UPDATE set ? = ?", bun.Ident("account_id"), bun.Ident("target_account_id"), bun.Ident("uri"), follow.URI).
 			Exec(ctx)
 		return r.conn.ProcessError(err)
 	}); err != nil {
 		return nil, err
 	}
 
 	// Invalidate follow request from cache lookups on return.
 	defer r.state.Caches.GTS.FollowRequest().Invalidate("ID", followReq.ID)
 
 	// Delete original follow request.
 	if _, err := r.conn.
 		NewDelete().
 		Table("follow_requests").
 		Where("? = ?", bun.Ident("id"), followReq.ID).
 		Exec(ctx); err != nil {
 		return nil, r.conn.ProcessError(err)
 	}
 
 	// Delete original follow request notification
 	if err := r.state.DB.DeleteNotifications(ctx, []string{
 		string(gtsmodel.NotificationFollowRequest),
 	}, targetAccountID, sourceAccountID); err != nil {
 		return nil, err
 	}
 
 	return follow, nil
 }
 
 func (r *relationshipDB) RejectFollowRequest(ctx context.Context, sourceAccountID string, targetAccountID string) db.Error {
 	defer r.state.Caches.GTS.FollowRequest().Invalidate("AccountID.TargetAccountID", sourceAccountID, targetAccountID)
 
 	// Load followreq into cache before attempting a delete,
 	// as we need it cached in order to trigger the invalidate
 	// callback. This in turn invalidates others.
 	_, err := r.GetFollowRequest(gtscontext.SetBarebones(ctx),
 		sourceAccountID,
 		targetAccountID,
 	)
 	if err != nil {
 		return err
 	}
 
 	// Attempt to delete follow request.
 	if _, err = r.conn.NewDelete().
 		Table("follow_requests").
 		Where("? = ? AND ? = ?",
 			bun.Ident("account_id"),
 			sourceAccountID,
 			bun.Ident("target_account_id"),
 			targetAccountID,
 		).
 		Exec(ctx); err != nil {
 		return r.conn.ProcessError(err)
 	}
 
 	// Delete original follow request notification
 	return r.state.DB.DeleteNotifications(ctx, []string{
 		string(gtsmodel.NotificationFollowRequest),
 	}, targetAccountID, sourceAccountID)
 }
 
 func (r *relationshipDB) DeleteFollowRequestByID(ctx context.Context, id string) error {
 	defer r.state.Caches.GTS.FollowRequest().Invalidate("ID", id)
 
 	// Load followreq into cache before attempting a delete,
 	// as we need it cached in order to trigger the invalidate
 	// callback. This in turn invalidates others.
 	_, err := r.GetFollowRequestByID(gtscontext.SetBarebones(ctx), id)
 	if err != nil {
 		if errors.Is(err, db.ErrNoEntries) {
 			// not an issue.
 			err = nil
 		}
 		return err
 	}
 
 	// Finally delete followreq from DB.
 	_, err = r.conn.NewDelete().
 		Table("follow_requests").
 		Where("? = ?", bun.Ident("id"), id).
 		Exec(ctx)
 	return r.conn.ProcessError(err)
 }
 
 func (r *relationshipDB) DeleteFollowRequestByURI(ctx context.Context, uri string) error {
 	defer r.state.Caches.GTS.FollowRequest().Invalidate("URI", uri)
 
 	// Load followreq into cache before attempting a delete,
 	// as we need it cached in order to trigger the invalidate
 	// callback. This in turn invalidates others.
 	_, err := r.GetFollowRequestByURI(gtscontext.SetBarebones(ctx), uri)
 	if err != nil {
 		if errors.Is(err, db.ErrNoEntries) {
 			// not an issue.
 			err = nil
 		}
 		return err
 	}
 
 	// Finally delete followreq from DB.
 	_, err = r.conn.NewDelete().
 		Table("follow_requests").
 		Where("? = ?", bun.Ident("uri"), uri).
 		Exec(ctx)
 	return r.conn.ProcessError(err)
 }
 
 func (r *relationshipDB) DeleteAccountFollowRequests(ctx context.Context, accountID string) error {
 	var followReqIDs []string
 
 	// Get full list of IDs.
 	if _, err := r.conn.
 		NewSelect().
 		Column("id").
 		Table("follow_requestss").
 		WhereOr("? = ? OR ? = ?",
 			bun.Ident("account_id"),
 			accountID,
 			bun.Ident("target_account_id"),
 			accountID,
 		).
 		Exec(ctx, &followReqIDs); err != nil {
 		return r.conn.ProcessError(err)
 	}
 
 	defer func() {
 		// Invalidate all IDs on return.
 		for _, id := range followReqIDs {
 			r.state.Caches.GTS.FollowRequest().Invalidate("ID", id)
 		}
 	}()
 
 	// Load all followreqs into cache, this *really* isn't
 	// great but it is the only way we can ensure we invalidate
 	// all related caches correctly (e.g. visibility).
 	for _, id := range followReqIDs {
 		_, err := r.GetFollowRequestByID(ctx, id)
 		if err != nil && !errors.Is(err, db.ErrNoEntries) {
 			return err
 		}
 	}
 
 	// Finally delete all from DB.
 	_, err := r.conn.NewDelete().
 		Table("follow_requests").
 		Where("? IN (?)", bun.Ident("id"), bun.In(followReqIDs)).
 		Exec(ctx)
 	return r.conn.ProcessError(err)
 }