who's faved and who's boosted, reblog notifs

internal/api/client/status/status.go

@@ -95,8 +95,10 @@ func (m *Module) Route(r router.Router) error {
 
 	r.AttachHandler(http.MethodPost, FavouritePath, m.StatusFavePOSTHandler)
 	r.AttachHandler(http.MethodPost, UnfavouritePath, m.StatusUnfavePOSTHandler)
+	r.AttachHandler(http.MethodGet, FavouritedPath, m.StatusFavedByGETHandler)
 
 	r.AttachHandler(http.MethodPost, ReblogPath, m.StatusBoostPOSTHandler)
+	r.AttachHandler(http.MethodGet, RebloggedPath, m.StatusBoostedByGETHandler)
 
 	r.AttachHandler(http.MethodGet, ContextPath, m.StatusContextGETHandler)
 

internal/api/client/status/statusboosted_by.go

@@ -0,0 +1,60 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 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 status
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/sirupsen/logrus"
+	"github.com/superseriousbusiness/gotosocial/internal/oauth"
+)
+
+// StatusBoostedByGETHandler is for serving a list of accounts that have boosted/reblogged a given status
+func (m *Module) StatusBoostedByGETHandler(c *gin.Context) {
+	l := m.log.WithFields(logrus.Fields{
+		"func":        "StatusBoostedByGETHandler",
+		"request_uri": c.Request.RequestURI,
+		"user_agent":  c.Request.UserAgent(),
+		"origin_ip":   c.ClientIP(),
+	})
+	l.Debugf("entering function")
+
+	authed, err := oauth.Authed(c, true, true, true, true) // we don't really need an app here but we want everything else
+	if err != nil {
+		l.Errorf("error authing status boosted by request: %s", err)
+		c.JSON(http.StatusBadRequest, gin.H{"error": "not authed"})
+		return
+	}
+
+	targetStatusID := c.Param(IDKey)
+	if targetStatusID == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "no status id provided"})
+		return
+	}
+
+	mastoAccounts, err := m.processor.StatusBoostedBy(authed, targetStatusID)
+	if err != nil {
+		l.Debugf("error processing status boosted by request: %s", err)
+		c.JSON(http.StatusBadRequest, gin.H{"error": "bad request"})
+		return
+	}
+
+	c.JSON(http.StatusOK, mastoAccounts)
+}

internal/db/db.go

@@ -253,6 +253,10 @@ type DB interface {
 	// This slice will be unfiltered, not taking account of blocks and whatnot, so filter it before serving it back to a user.
 	WhoFavedStatus(status *gtsmodel.Status) ([]*gtsmodel.Account, error)
 
+	// WhoBoostedStatus returns a slice of accounts who boosted the given status.
+	// This slice will be unfiltered, not taking account of blocks and whatnot, so filter it before serving it back to a user.
+	WhoBoostedStatus(status *gtsmodel.Status) ([]*gtsmodel.Account, error)
+
 	// GetHomeTimelineForAccount fetches the account's HOME timeline -- ie., posts and replies from people they *follow*.
 	// It will use the given filters and try to return as many statuses up to the limit as possible.
 	GetHomeTimelineForAccount(accountID string, maxID string, sinceID string, minID string, limit int, local bool) ([]*gtsmodel.Status, error)

internal/db/pg/pg.go

@@ -1115,11 +1115,36 @@ func (ps *postgresService) WhoFavedStatus(status *gtsmodel.Status) ([]*gtsmodel.
 	return accounts, nil
 }
 
+func (ps *postgresService) WhoBoostedStatus(status *gtsmodel.Status) ([]*gtsmodel.Account, error) {
+	accounts := []*gtsmodel.Account{}
+
+	boosts := []*gtsmodel.Status{}
+	if err := ps.conn.Model(&boosts).Where("boost_of_id = ?", status.ID).Select(); err != nil {
+		if err == pg.ErrNoRows {
+			return accounts, nil // no rows just means nobody has boosted this status, so that's fine
+		}
+		return nil, err // an actual error has occurred
+	}
+
+	for _, f := range boosts {
+		acc := &gtsmodel.Account{}
+		if err := ps.conn.Model(acc).Where("id = ?", f.AccountID).Select(); err != nil {
+			if err == pg.ErrNoRows {
+				continue // the account doesn't exist for some reason??? but this isn't the place to worry about that so just skip it
+			}
+			return nil, err // an actual error has occurred
+		}
+		accounts = append(accounts, acc)
+	}
+	return accounts, nil
+}
+
 func (ps *postgresService) GetHomeTimelineForAccount(accountID string, maxID string, sinceID string, minID string, limit int, local bool) ([]*gtsmodel.Status, error) {
 	statuses := []*gtsmodel.Status{}
 
-	q := ps.conn.Model(&statuses).
-		ColumnExpr("status.*").
+	q := ps.conn.Model(&statuses)
+
+	q = q.ColumnExpr("status.*").
 		Join("JOIN follows AS f ON f.target_account_id = status.account_id").
 		Where("f.account_id = ?", accountID).
 		Limit(limit).

internal/processing/fromcommon.go

@@ -160,5 +160,54 @@ func (p *processor) notifyFave(fave *gtsmodel.StatusFave, receivingAccount *gtsm
 }
 
 func (p *processor) notifyAnnounce(status *gtsmodel.Status) error {
+	if status.BoostOfID == "" {
+		// not a boost, nothing to do
+		return nil
+	}
+
+	boostedStatus := &gtsmodel.Status{}
+	if err := p.db.GetByID(status.BoostOfID, boostedStatus); err != nil {
+		return fmt.Errorf("notifyAnnounce: error getting status with id %s: %s", status.BoostOfID, err)
+	}
+
+	boostedAcct := &gtsmodel.Account{}
+	if err := p.db.GetByID(boostedStatus.AccountID, boostedAcct); err != nil {
+		return fmt.Errorf("notifyAnnounce: error getting account with id %s: %s", boostedStatus.AccountID, err)
+	}
+
+	if boostedAcct.Domain != "" {
+		// remote account, nothing to do
+		return nil
+	}
+
+	if boostedStatus.AccountID == status.AccountID {
+		// it's a self boost, nothing to do
+		return nil
+	}
+
+	// make sure a notif doesn't already exist for this announce
+	err := p.db.GetWhere([]db.Where{
+		{Key: "notification_type", Value: gtsmodel.NotificationReblog},
+		{Key: "target_account_id", Value: boostedAcct.ID},
+		{Key: "origin_account_id", Value: status.AccountID},
+		{Key: "status_id", Value: status.ID},
+	}, &gtsmodel.Notification{})
+	if err == nil {
+		// notification exists already so just bail
+		return nil
+	}
+
+	// now create the new reblog notification
+	notif := &gtsmodel.Notification{
+		NotificationType: gtsmodel.NotificationReblog,
+		TargetAccountID:  boostedAcct.ID,
+		OriginAccountID:  status.AccountID,
+		StatusID:         status.ID,
+	}
+
+	if err := p.db.Put(notif); err != nil {
+		return fmt.Errorf("notifyAnnounce: error putting notification in database: %s", err)
+	}
+
 	return nil
 }

internal/processing/processor.go

@@ -120,6 +120,8 @@ type Processor interface {
 	StatusFave(authed *oauth.Auth, targetStatusID string) (*apimodel.Status, error)
 	// StatusBoost processes the boost/reblog of a given status, returning the newly-created boost if all is well.
 	StatusBoost(authed *oauth.Auth, targetStatusID string) (*apimodel.Status, ErrorWithCode)
+	// StatusBoostedBy returns a slice of accounts that have boosted the given status, filtered according to privacy settings.
+	StatusBoostedBy(authed *oauth.Auth, targetStatusID string) ([]*apimodel.Account, ErrorWithCode)
 	// StatusFavedBy returns a slice of accounts that have liked the given status, filtered according to privacy settings.
 	StatusFavedBy(authed *oauth.Auth, targetStatusID string) ([]*apimodel.Account, error)
 	// StatusGet gets the given status, taking account of privacy settings and blocks etc.

internal/processing/status.go

@@ -309,6 +309,70 @@ func (p *processor) StatusBoost(authed *oauth.Auth, targetStatusID string) (*api
 	return mastoStatus, nil
 }
 
+func (p *processor) StatusBoostedBy(authed *oauth.Auth, targetStatusID string) ([]*apimodel.Account, ErrorWithCode) {
+	l := p.log.WithField("func", "StatusBoostedBy")
+
+	l.Tracef("going to search for target status %s", targetStatusID)
+	targetStatus := &gtsmodel.Status{}
+	if err := p.db.GetByID(targetStatusID, targetStatus); err != nil {
+		return nil, NewErrorNotFound(fmt.Errorf("StatusBoostedBy: error fetching status %s: %s", targetStatusID, err))
+	}
+
+	l.Tracef("going to search for target account %s", targetStatus.AccountID)
+	targetAccount := &gtsmodel.Account{}
+	if err := p.db.GetByID(targetStatus.AccountID, targetAccount); err != nil {
+		return nil, NewErrorNotFound(fmt.Errorf("StatusBoostedBy: error fetching target account %s: %s", targetStatus.AccountID, err))
+	}
+
+	l.Trace("going to get relevant accounts")
+	relevantAccounts, err := p.db.PullRelevantAccountsFromStatus(targetStatus)
+	if err != nil {
+		return nil, NewErrorNotFound(fmt.Errorf("StatusBoostedBy: error fetching related accounts for status %s: %s", targetStatusID, err))
+	}
+
+	l.Trace("going to see if status is visible")
+	visible, err := p.db.StatusVisible(targetStatus, targetAccount, authed.Account, relevantAccounts) // requestingAccount might well be nil here, but StatusVisible knows how to take care of that
+	if err != nil {
+		return nil, NewErrorNotFound(fmt.Errorf("StatusBoostedBy: error seeing if status %s is visible: %s", targetStatus.ID, err))
+	}
+
+	if !visible {
+		return nil, NewErrorNotFound(errors.New("StatusBoostedBy: status is not visible"))
+	}
+
+	// get ALL accounts that faved a status -- doesn't take account of blocks and mutes and stuff
+	favingAccounts, err := p.db.WhoBoostedStatus(targetStatus)
+	if err != nil {
+		return nil, NewErrorNotFound(fmt.Errorf("StatusBoostedBy: error seeing who boosted status: %s", err))
+	}
+
+	// filter the list so the user doesn't see accounts they blocked or which blocked them
+	filteredAccounts := []*gtsmodel.Account{}
+	for _, acc := range favingAccounts {
+		blocked, err := p.db.Blocked(authed.Account.ID, acc.ID)
+		if err != nil {
+			return nil, NewErrorNotFound(fmt.Errorf("StatusBoostedBy: error checking blocks: %s", err))
+		}
+		if !blocked {
+			filteredAccounts = append(filteredAccounts, acc)
+		}
+	}
+
+	// TODO: filter other things here? suspended? muted? silenced?
+
+	// now we can return the masto representation of those accounts
+	mastoAccounts := []*apimodel.Account{}
+	for _, acc := range filteredAccounts {
+		mastoAccount, err := p.tc.AccountToMastoPublic(acc)
+		if err != nil {
+			return nil, NewErrorNotFound(fmt.Errorf("StatusFavedBy: error converting account to api model: %s", err))
+		}
+		mastoAccounts = append(mastoAccounts, mastoAccount)
+	}
+
+	return mastoAccounts, nil
+}
+
 func (p *processor) StatusFavedBy(authed *oauth.Auth, targetStatusID string) ([]*apimodel.Account, error) {
 	l := p.log.WithField("func", "StatusFavedBy")