gtsocial-umbx

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boost.go (8865B)


      1 // GoToSocial
      2 // Copyright (C) GoToSocial Authors admin@gotosocial.org
      3 // SPDX-License-Identifier: AGPL-3.0-or-later
      4 //
      5 // This program is free software: you can redistribute it and/or modify
      6 // it under the terms of the GNU Affero General Public License as published by
      7 // the Free Software Foundation, either version 3 of the License, or
      8 // (at your option) any later version.
      9 //
     10 // This program is distributed in the hope that it will be useful,
     11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
     12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13 // GNU Affero General Public License for more details.
     14 //
     15 // You should have received a copy of the GNU Affero General Public License
     16 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
     17 
     18 package status
     19 
     20 import (
     21 	"context"
     22 	"errors"
     23 	"fmt"
     24 
     25 	"github.com/superseriousbusiness/gotosocial/internal/ap"
     26 	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
     27 	"github.com/superseriousbusiness/gotosocial/internal/db"
     28 	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
     29 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
     30 	"github.com/superseriousbusiness/gotosocial/internal/messages"
     31 )
     32 
     33 // BoostCreate processes the boost/reblog of a given status, returning the newly-created boost if all is well.
     34 func (p *Processor) BoostCreate(ctx context.Context, requestingAccount *gtsmodel.Account, application *gtsmodel.Application, targetStatusID string) (*apimodel.Status, gtserror.WithCode) {
     35 	targetStatus, err := p.state.DB.GetStatusByID(ctx, targetStatusID)
     36 	if err != nil {
     37 		return nil, gtserror.NewErrorNotFound(fmt.Errorf("error fetching status %s: %s", targetStatusID, err))
     38 	}
     39 	if targetStatus.Account == nil {
     40 		return nil, gtserror.NewErrorNotFound(fmt.Errorf("no status owner for status %s", targetStatusID))
     41 	}
     42 
     43 	// if targetStatusID refers to a boost, then we should redirect
     44 	// the target to being the status that was boosted; if we don't
     45 	// do this, then we end up in weird situations where people
     46 	// boost boosts, and it looks absolutely bizarre in the UI
     47 	if targetStatus.BoostOfID != "" {
     48 		if targetStatus.BoostOf == nil {
     49 			b, err := p.state.DB.GetStatusByID(ctx, targetStatus.BoostOfID)
     50 			if err != nil {
     51 				return nil, gtserror.NewErrorNotFound(fmt.Errorf("couldn't fetch boosted status %s", targetStatus.BoostOfID))
     52 			}
     53 			targetStatus.BoostOf = b
     54 		}
     55 		targetStatus = targetStatus.BoostOf
     56 	}
     57 
     58 	boostable, err := p.filter.StatusBoostable(ctx, requestingAccount, targetStatus)
     59 	if err != nil {
     60 		return nil, gtserror.NewErrorNotFound(fmt.Errorf("error seeing if status %s is boostable: %s", targetStatus.ID, err))
     61 	} else if !boostable {
     62 		return nil, gtserror.NewErrorNotFound(errors.New("status is not boostable"))
     63 	}
     64 
     65 	// it's visible! it's boostable! so let's boost the FUCK out of it
     66 	boostWrapperStatus, err := p.tc.StatusToBoost(ctx, targetStatus, requestingAccount)
     67 	if err != nil {
     68 		return nil, gtserror.NewErrorInternalError(err)
     69 	}
     70 
     71 	boostWrapperStatus.CreatedWithApplicationID = application.ID
     72 	boostWrapperStatus.BoostOfAccount = targetStatus.Account
     73 
     74 	// put the boost in the database
     75 	if err := p.state.DB.PutStatus(ctx, boostWrapperStatus); err != nil {
     76 		return nil, gtserror.NewErrorInternalError(err)
     77 	}
     78 
     79 	// send it back to the processor for async processing
     80 	p.state.Workers.EnqueueClientAPI(ctx, messages.FromClientAPI{
     81 		APObjectType:   ap.ActivityAnnounce,
     82 		APActivityType: ap.ActivityCreate,
     83 		GTSModel:       boostWrapperStatus,
     84 		OriginAccount:  requestingAccount,
     85 		TargetAccount:  targetStatus.Account,
     86 	})
     87 
     88 	return p.apiStatus(ctx, boostWrapperStatus, requestingAccount)
     89 }
     90 
     91 // BoostRemove processes the unboost/unreblog of a given status, returning the status if all is well.
     92 func (p *Processor) BoostRemove(ctx context.Context, requestingAccount *gtsmodel.Account, application *gtsmodel.Application, targetStatusID string) (*apimodel.Status, gtserror.WithCode) {
     93 	targetStatus, err := p.state.DB.GetStatusByID(ctx, targetStatusID)
     94 	if err != nil {
     95 		return nil, gtserror.NewErrorNotFound(fmt.Errorf("error fetching status %s: %s", targetStatusID, err))
     96 	}
     97 	if targetStatus.Account == nil {
     98 		return nil, gtserror.NewErrorNotFound(fmt.Errorf("no status owner for status %s", targetStatusID))
     99 	}
    100 
    101 	visible, err := p.filter.StatusVisible(ctx, requestingAccount, targetStatus)
    102 	if err != nil {
    103 		return nil, gtserror.NewErrorNotFound(fmt.Errorf("error seeing if status %s is visible: %s", targetStatus.ID, err))
    104 	}
    105 	if !visible {
    106 		return nil, gtserror.NewErrorNotFound(errors.New("status is not visible"))
    107 	}
    108 
    109 	// check if we actually have a boost for this status
    110 	var toUnboost bool
    111 
    112 	gtsBoost := &gtsmodel.Status{}
    113 	where := []db.Where{
    114 		{
    115 			Key:   "boost_of_id",
    116 			Value: targetStatusID,
    117 		},
    118 		{
    119 			Key:   "account_id",
    120 			Value: requestingAccount.ID,
    121 		},
    122 	}
    123 	err = p.state.DB.GetWhere(ctx, where, gtsBoost)
    124 	if err == nil {
    125 		// we have a boost
    126 		toUnboost = true
    127 	}
    128 
    129 	if err != nil {
    130 		// something went wrong in the db finding the boost
    131 		if err != db.ErrNoEntries {
    132 			return nil, gtserror.NewErrorInternalError(fmt.Errorf("error fetching existing boost from database: %s", err))
    133 		}
    134 		// we just don't have a boost
    135 		toUnboost = false
    136 	}
    137 
    138 	if toUnboost {
    139 		// pin some stuff onto the boost while we have it out of the db
    140 		gtsBoost.Account = requestingAccount
    141 		gtsBoost.BoostOf = targetStatus
    142 		gtsBoost.BoostOfAccount = targetStatus.Account
    143 		gtsBoost.BoostOf.Account = targetStatus.Account
    144 
    145 		// send it back to the processor for async processing
    146 		p.state.Workers.EnqueueClientAPI(ctx, messages.FromClientAPI{
    147 			APObjectType:   ap.ActivityAnnounce,
    148 			APActivityType: ap.ActivityUndo,
    149 			GTSModel:       gtsBoost,
    150 			OriginAccount:  requestingAccount,
    151 			TargetAccount:  targetStatus.Account,
    152 		})
    153 	}
    154 
    155 	return p.apiStatus(ctx, targetStatus, requestingAccount)
    156 }
    157 
    158 // StatusBoostedBy returns a slice of accounts that have boosted the given status, filtered according to privacy settings.
    159 func (p *Processor) StatusBoostedBy(ctx context.Context, requestingAccount *gtsmodel.Account, targetStatusID string) ([]*apimodel.Account, gtserror.WithCode) {
    160 	targetStatus, err := p.state.DB.GetStatusByID(ctx, targetStatusID)
    161 	if err != nil {
    162 		wrapped := fmt.Errorf("BoostedBy: error fetching status %s: %s", targetStatusID, err)
    163 		if !errors.Is(err, db.ErrNoEntries) {
    164 			return nil, gtserror.NewErrorInternalError(wrapped)
    165 		}
    166 		return nil, gtserror.NewErrorNotFound(wrapped)
    167 	}
    168 
    169 	if boostOfID := targetStatus.BoostOfID; boostOfID != "" {
    170 		// the target status is a boost wrapper, redirect this request to the status it boosts
    171 		boostedStatus, err := p.state.DB.GetStatusByID(ctx, boostOfID)
    172 		if err != nil {
    173 			wrapped := fmt.Errorf("BoostedBy: error fetching status %s: %s", boostOfID, err)
    174 			if !errors.Is(err, db.ErrNoEntries) {
    175 				return nil, gtserror.NewErrorInternalError(wrapped)
    176 			}
    177 			return nil, gtserror.NewErrorNotFound(wrapped)
    178 		}
    179 		targetStatus = boostedStatus
    180 	}
    181 
    182 	visible, err := p.filter.StatusVisible(ctx, requestingAccount, targetStatus)
    183 	if err != nil {
    184 		err = fmt.Errorf("BoostedBy: error seeing if status %s is visible: %s", targetStatus.ID, err)
    185 		return nil, gtserror.NewErrorNotFound(err)
    186 	}
    187 	if !visible {
    188 		err = errors.New("BoostedBy: status is not visible")
    189 		return nil, gtserror.NewErrorNotFound(err)
    190 	}
    191 
    192 	statusReblogs, err := p.state.DB.GetStatusReblogs(ctx, targetStatus)
    193 	if err != nil {
    194 		err = fmt.Errorf("BoostedBy: error seeing who boosted status: %s", err)
    195 		return nil, gtserror.NewErrorNotFound(err)
    196 	}
    197 
    198 	// filter account IDs so the user doesn't see accounts they blocked or which blocked them
    199 	accountIDs := make([]string, 0, len(statusReblogs))
    200 	for _, s := range statusReblogs {
    201 		blocked, err := p.state.DB.IsEitherBlocked(ctx, requestingAccount.ID, s.AccountID)
    202 		if err != nil {
    203 			err = fmt.Errorf("BoostedBy: error checking blocks: %s", err)
    204 			return nil, gtserror.NewErrorNotFound(err)
    205 		}
    206 		if !blocked {
    207 			accountIDs = append(accountIDs, s.AccountID)
    208 		}
    209 	}
    210 
    211 	// TODO: filter other things here? suspended? muted? silenced?
    212 
    213 	// fetch accounts + create their API representations
    214 	apiAccounts := make([]*apimodel.Account, 0, len(accountIDs))
    215 	for _, accountID := range accountIDs {
    216 		account, err := p.state.DB.GetAccountByID(ctx, accountID)
    217 		if err != nil {
    218 			wrapped := fmt.Errorf("BoostedBy: error fetching account %s: %s", accountID, err)
    219 			if !errors.Is(err, db.ErrNoEntries) {
    220 				return nil, gtserror.NewErrorInternalError(wrapped)
    221 			}
    222 			return nil, gtserror.NewErrorNotFound(wrapped)
    223 		}
    224 
    225 		apiAccount, err := p.tc.AccountToAPIAccountPublic(ctx, account)
    226 		if err != nil {
    227 			err = fmt.Errorf("BoostedBy: error converting account to api model: %s", err)
    228 			return nil, gtserror.NewErrorInternalError(err)
    229 		}
    230 		apiAccounts = append(apiAccounts, apiAccount)
    231 	}
    232 
    233 	return apiAccounts, nil
    234 }