mirror of
https://github.com/superseriousbusiness/gotosocial
synced 2024-12-08 14:36:32 +01:00
328 lines
12 KiB
Go
328 lines
12 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package status
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import (
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"context"
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"errors"
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"fmt"
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"github.com/superseriousbusiness/gotosocial/internal/api/model"
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apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/log"
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"github.com/superseriousbusiness/gotosocial/internal/util"
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)
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func (p *processor) ProcessVisibility(ctx context.Context, form *apimodel.AdvancedStatusCreateForm, accountDefaultVis gtsmodel.Visibility, status *gtsmodel.Status) error {
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// by default all flags are set to true
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federated := true
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boostable := true
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replyable := true
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likeable := true
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// If visibility isn't set on the form, then just take the account default.
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// If that's also not set, take the default for the whole instance.
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var vis gtsmodel.Visibility
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switch {
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case form.Visibility != "":
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vis = p.tc.APIVisToVis(form.Visibility)
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case accountDefaultVis != "":
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vis = accountDefaultVis
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default:
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vis = gtsmodel.VisibilityDefault
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}
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switch vis {
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case gtsmodel.VisibilityPublic:
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// for public, there's no need to change any of the advanced flags from true regardless of what the user filled out
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break
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case gtsmodel.VisibilityUnlocked:
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// for unlocked the user can set any combination of flags they like so look at them all to see if they're set and then apply them
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if form.Federated != nil {
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federated = *form.Federated
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}
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if form.Boostable != nil {
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boostable = *form.Boostable
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}
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if form.Replyable != nil {
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replyable = *form.Replyable
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}
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if form.Likeable != nil {
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likeable = *form.Likeable
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}
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case gtsmodel.VisibilityFollowersOnly, gtsmodel.VisibilityMutualsOnly:
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// for followers or mutuals only, boostable will *always* be false, but the other fields can be set so check and apply them
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boostable = false
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if form.Federated != nil {
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federated = *form.Federated
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}
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if form.Replyable != nil {
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replyable = *form.Replyable
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}
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if form.Likeable != nil {
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likeable = *form.Likeable
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}
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case gtsmodel.VisibilityDirect:
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// direct is pretty easy: there's only one possible setting so return it
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federated = true
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boostable = false
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replyable = true
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likeable = true
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}
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status.Visibility = vis
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status.Federated = &federated
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status.Boostable = &boostable
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status.Replyable = &replyable
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status.Likeable = &likeable
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return nil
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}
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func (p *processor) ProcessReplyToID(ctx context.Context, form *apimodel.AdvancedStatusCreateForm, thisAccountID string, status *gtsmodel.Status) gtserror.WithCode {
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if form.InReplyToID == "" {
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return nil
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}
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// If this status is a reply to another status, we need to do a bit of work to establish whether or not this status can be posted:
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//
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// 1. Does the replied status exist in the database?
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// 2. Is the replied status marked as replyable?
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// 3. Does a block exist between either the current account or the account that posted the status it's replying to?
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//
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// If this is all OK, then we fetch the repliedStatus and the repliedAccount for later processing.
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repliedStatus := >smodel.Status{}
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repliedAccount := >smodel.Account{}
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if err := p.db.GetByID(ctx, form.InReplyToID, repliedStatus); err != nil {
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if err == db.ErrNoEntries {
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err := fmt.Errorf("status with id %s not replyable because it doesn't exist", form.InReplyToID)
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return gtserror.NewErrorBadRequest(err, err.Error())
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}
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err := fmt.Errorf("db error fetching status with id %s: %s", form.InReplyToID, err)
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return gtserror.NewErrorInternalError(err)
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}
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if !*repliedStatus.Replyable {
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err := fmt.Errorf("status with id %s is marked as not replyable", form.InReplyToID)
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return gtserror.NewErrorForbidden(err, err.Error())
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}
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if err := p.db.GetByID(ctx, repliedStatus.AccountID, repliedAccount); err != nil {
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if err == db.ErrNoEntries {
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err := fmt.Errorf("status with id %s not replyable because account id %s is not known", form.InReplyToID, repliedStatus.AccountID)
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return gtserror.NewErrorBadRequest(err, err.Error())
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}
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err := fmt.Errorf("db error fetching account with id %s: %s", repliedStatus.AccountID, err)
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return gtserror.NewErrorInternalError(err)
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}
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if blocked, err := p.db.IsBlocked(ctx, thisAccountID, repliedAccount.ID, true); err != nil {
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err := fmt.Errorf("db error checking block: %s", err)
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return gtserror.NewErrorInternalError(err)
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} else if blocked {
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err := fmt.Errorf("status with id %s not replyable", form.InReplyToID)
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return gtserror.NewErrorNotFound(err)
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}
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status.InReplyToID = repliedStatus.ID
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status.InReplyToURI = repliedStatus.URI
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status.InReplyToAccountID = repliedAccount.ID
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return nil
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}
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func (p *processor) ProcessMediaIDs(ctx context.Context, form *apimodel.AdvancedStatusCreateForm, thisAccountID string, status *gtsmodel.Status) gtserror.WithCode {
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if form.MediaIDs == nil {
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return nil
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}
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attachments := []*gtsmodel.MediaAttachment{}
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attachmentIDs := []string{}
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for _, mediaID := range form.MediaIDs {
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attachment, err := p.db.GetAttachmentByID(ctx, mediaID)
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if err != nil {
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if errors.Is(err, db.ErrNoEntries) {
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err = fmt.Errorf("ProcessMediaIDs: media not found for media id %s", mediaID)
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return gtserror.NewErrorBadRequest(err, err.Error())
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}
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err = fmt.Errorf("ProcessMediaIDs: db error for media id %s", mediaID)
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return gtserror.NewErrorInternalError(err)
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}
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if attachment.AccountID != thisAccountID {
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err = fmt.Errorf("ProcessMediaIDs: media with id %s does not belong to account %s", mediaID, thisAccountID)
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return gtserror.NewErrorBadRequest(err, err.Error())
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}
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if attachment.StatusID != "" || attachment.ScheduledStatusID != "" {
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err = fmt.Errorf("ProcessMediaIDs: media with id %s is already attached to a status", mediaID)
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return gtserror.NewErrorBadRequest(err, err.Error())
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}
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minDescriptionChars := config.GetMediaDescriptionMinChars()
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if descriptionLength := len([]rune(attachment.Description)); descriptionLength < minDescriptionChars {
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err = fmt.Errorf("ProcessMediaIDs: description too short! media description of at least %d chararacters is required but %d was provided for media with id %s", minDescriptionChars, descriptionLength, mediaID)
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return gtserror.NewErrorBadRequest(err, err.Error())
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}
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attachments = append(attachments, attachment)
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attachmentIDs = append(attachmentIDs, attachment.ID)
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}
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status.Attachments = attachments
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status.AttachmentIDs = attachmentIDs
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return nil
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}
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func (p *processor) ProcessLanguage(ctx context.Context, form *apimodel.AdvancedStatusCreateForm, accountDefaultLanguage string, status *gtsmodel.Status) error {
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if form.Language != "" {
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status.Language = form.Language
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} else {
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status.Language = accountDefaultLanguage
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}
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if status.Language == "" {
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return errors.New("no language given either in status create form or account default")
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}
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return nil
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}
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func (p *processor) ProcessMentions(ctx context.Context, form *apimodel.AdvancedStatusCreateForm, accountID string, status *gtsmodel.Status) error {
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mentionedAccountNames := util.DeriveMentionNamesFromText(form.Status)
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mentions := []*gtsmodel.Mention{}
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mentionIDs := []string{}
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for _, mentionedAccountName := range mentionedAccountNames {
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gtsMention, err := p.parseMention(ctx, mentionedAccountName, accountID, status.ID)
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if err != nil {
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log.Errorf("ProcessMentions: error parsing mention %s from status: %s", mentionedAccountName, err)
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continue
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}
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if err := p.db.Put(ctx, gtsMention); err != nil {
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log.Errorf("ProcessMentions: error putting mention in db: %s", err)
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}
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mentions = append(mentions, gtsMention)
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mentionIDs = append(mentionIDs, gtsMention.ID)
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}
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// add full populated gts menchies to the status for passing them around conveniently
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status.Mentions = mentions
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// add just the ids of the mentioned accounts to the status for putting in the db
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status.MentionIDs = mentionIDs
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return nil
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}
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func (p *processor) ProcessTags(ctx context.Context, form *apimodel.AdvancedStatusCreateForm, accountID string, status *gtsmodel.Status) error {
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tags := []string{}
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gtsTags, err := p.db.TagStringsToTags(ctx, util.DeriveHashtagsFromText(form.Status), accountID)
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if err != nil {
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return fmt.Errorf("error generating hashtags from status: %s", err)
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}
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for _, tag := range gtsTags {
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if err := p.db.Put(ctx, tag); err != nil {
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if !errors.Is(err, db.ErrAlreadyExists) {
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return fmt.Errorf("error putting tags in db: %s", err)
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}
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}
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tags = append(tags, tag.ID)
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}
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// add full populated gts tags to the status for passing them around conveniently
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status.Tags = gtsTags
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// add just the ids of the used tags to the status for putting in the db
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status.TagIDs = tags
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return nil
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}
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func (p *processor) ProcessEmojis(ctx context.Context, form *apimodel.AdvancedStatusCreateForm, accountID string, status *gtsmodel.Status) error {
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// for each emoji shortcode in the text, check if it's an enabled
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// emoji on this instance, and if so, add it to the status
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emojiShortcodes := util.DeriveEmojisFromText(form.SpoilerText + "\n\n" + form.Status)
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status.Emojis = make([]*gtsmodel.Emoji, 0, len(emojiShortcodes))
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status.EmojiIDs = make([]string, 0, len(emojiShortcodes))
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for _, shortcode := range emojiShortcodes {
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emoji, err := p.db.GetEmojiByShortcodeDomain(ctx, shortcode, "")
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if err != nil {
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if err != db.ErrNoEntries {
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log.Errorf("error getting local emoji with shortcode %s: %s", shortcode, err)
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}
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continue
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}
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if *emoji.VisibleInPicker && !*emoji.Disabled {
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status.Emojis = append(status.Emojis, emoji)
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status.EmojiIDs = append(status.EmojiIDs, emoji.ID)
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}
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}
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return nil
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}
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func (p *processor) ProcessContent(ctx context.Context, form *apimodel.AdvancedStatusCreateForm, accountID string, status *gtsmodel.Status) error {
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// if there's nothing in the status at all we can just return early
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if form.Status == "" {
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status.Content = ""
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return nil
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}
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// if format wasn't specified we should try to figure out what format this user prefers
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if form.Format == "" {
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acct, err := p.db.GetAccountByID(ctx, accountID)
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if err != nil {
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return fmt.Errorf("error processing new content: couldn't retrieve account from db to check post format: %s", err)
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}
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switch acct.StatusFormat {
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case "plain":
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form.Format = model.StatusFormatPlain
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case "markdown":
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form.Format = model.StatusFormatMarkdown
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default:
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form.Format = model.StatusFormatDefault
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}
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}
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// parse content out of the status depending on what format has been submitted
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var formatted string
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switch form.Format {
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case apimodel.StatusFormatPlain:
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formatted = p.formatter.FromPlain(ctx, form.Status, status.Mentions, status.Tags)
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case apimodel.StatusFormatMarkdown:
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formatted = p.formatter.FromMarkdown(ctx, form.Status, status.Mentions, status.Tags, status.Emojis)
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default:
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return fmt.Errorf("format %s not recognised as a valid status format", form.Format)
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}
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status.Content = formatted
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return nil
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}
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