gotosocial/internal/processing/status/util.go
Tobi Smethurst 0386a28b5a
Frodo swaggins (#126)
* more swagger fun

* document a whole bunch more stuff

* more swagger yayyyyyyy

* progress + go fmt
2021-08-02 19:06:44 +02:00

263 lines
9.1 KiB
Go

package status
import (
"errors"
"fmt"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/id"
"github.com/superseriousbusiness/gotosocial/internal/text"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
func (p *processor) processVisibility(form *apimodel.AdvancedStatusCreateForm, accountDefaultVis gtsmodel.Visibility, status *gtsmodel.Status) error {
// by default all flags are set to true
gtsAdvancedVis := &gtsmodel.VisibilityAdvanced{
Federated: true,
Boostable: true,
Replyable: true,
Likeable: true,
}
var vis gtsmodel.Visibility
// If visibility isn't set on the form, then just take the account default.
// If that's also not set, take the default for the whole instance.
if form.Visibility != "" {
vis = p.tc.MastoVisToVis(form.Visibility)
} else if accountDefaultVis != "" {
vis = accountDefaultVis
} else {
vis = gtsmodel.VisibilityDefault
}
switch vis {
case gtsmodel.VisibilityPublic:
// for public, there's no need to change any of the advanced flags from true regardless of what the user filled out
break
case gtsmodel.VisibilityUnlocked:
// 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
if form.Federated != nil {
gtsAdvancedVis.Federated = *form.Federated
}
if form.Boostable != nil {
gtsAdvancedVis.Boostable = *form.Boostable
}
if form.Replyable != nil {
gtsAdvancedVis.Replyable = *form.Replyable
}
if form.Likeable != nil {
gtsAdvancedVis.Likeable = *form.Likeable
}
case gtsmodel.VisibilityFollowersOnly, gtsmodel.VisibilityMutualsOnly:
// for followers or mutuals only, boostable will *always* be false, but the other fields can be set so check and apply them
gtsAdvancedVis.Boostable = false
if form.Federated != nil {
gtsAdvancedVis.Federated = *form.Federated
}
if form.Replyable != nil {
gtsAdvancedVis.Replyable = *form.Replyable
}
if form.Likeable != nil {
gtsAdvancedVis.Likeable = *form.Likeable
}
case gtsmodel.VisibilityDirect:
// direct is pretty easy: there's only one possible setting so return it
gtsAdvancedVis.Federated = true
gtsAdvancedVis.Boostable = false
gtsAdvancedVis.Federated = true
gtsAdvancedVis.Likeable = true
}
status.Visibility = vis
status.VisibilityAdvanced = gtsAdvancedVis
return nil
}
func (p *processor) processReplyToID(form *apimodel.AdvancedStatusCreateForm, thisAccountID string, status *gtsmodel.Status) error {
if form.InReplyToID == "" {
return nil
}
// 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:
//
// 1. Does the replied status exist in the database?
// 2. Is the replied status marked as replyable?
// 3. Does a block exist between either the current account or the account that posted the status it's replying to?
//
// If this is all OK, then we fetch the repliedStatus and the repliedAccount for later processing.
repliedStatus := &gtsmodel.Status{}
repliedAccount := &gtsmodel.Account{}
// check replied status exists + is replyable
if err := p.db.GetByID(form.InReplyToID, repliedStatus); err != nil {
if _, ok := err.(db.ErrNoEntries); ok {
return fmt.Errorf("status with id %s not replyable because it doesn't exist", form.InReplyToID)
}
return fmt.Errorf("status with id %s not replyable: %s", form.InReplyToID, err)
}
if repliedStatus.VisibilityAdvanced != nil {
if !repliedStatus.VisibilityAdvanced.Replyable {
return fmt.Errorf("status with id %s is marked as not replyable", form.InReplyToID)
}
}
// check replied account is known to us
if err := p.db.GetByID(repliedStatus.AccountID, repliedAccount); err != nil {
if _, ok := err.(db.ErrNoEntries); ok {
return fmt.Errorf("status with id %s not replyable because account id %s is not known", form.InReplyToID, repliedStatus.AccountID)
}
return fmt.Errorf("status with id %s not replyable: %s", form.InReplyToID, err)
}
// check if a block exists
if blocked, err := p.db.Blocked(thisAccountID, repliedAccount.ID); err != nil {
if _, ok := err.(db.ErrNoEntries); !ok {
return fmt.Errorf("status with id %s not replyable: %s", form.InReplyToID, err)
}
} else if blocked {
return fmt.Errorf("status with id %s not replyable", form.InReplyToID)
}
status.InReplyToID = repliedStatus.ID
status.InReplyToAccountID = repliedAccount.ID
return nil
}
func (p *processor) processMediaIDs(form *apimodel.AdvancedStatusCreateForm, thisAccountID string, status *gtsmodel.Status) error {
if form.MediaIDs == nil {
return nil
}
gtsMediaAttachments := []*gtsmodel.MediaAttachment{}
attachments := []string{}
for _, mediaID := range form.MediaIDs {
// check these attachments exist
a := &gtsmodel.MediaAttachment{}
if err := p.db.GetByID(mediaID, a); err != nil {
return fmt.Errorf("invalid media type or media not found for media id %s", mediaID)
}
// check they belong to the requesting account id
if a.AccountID != thisAccountID {
return fmt.Errorf("media with id %s does not belong to account %s", mediaID, thisAccountID)
}
// check they're not already used in a status
if a.StatusID != "" || a.ScheduledStatusID != "" {
return fmt.Errorf("media with id %s is already attached to a status", mediaID)
}
gtsMediaAttachments = append(gtsMediaAttachments, a)
attachments = append(attachments, a.ID)
}
status.GTSMediaAttachments = gtsMediaAttachments
status.Attachments = attachments
return nil
}
func (p *processor) processLanguage(form *apimodel.AdvancedStatusCreateForm, accountDefaultLanguage string, status *gtsmodel.Status) error {
if form.Language != "" {
status.Language = form.Language
} else {
status.Language = accountDefaultLanguage
}
if status.Language == "" {
return errors.New("no language given either in status create form or account default")
}
return nil
}
func (p *processor) processMentions(form *apimodel.AdvancedStatusCreateForm, accountID string, status *gtsmodel.Status) error {
menchies := []string{}
gtsMenchies, err := p.db.MentionStringsToMentions(util.DeriveMentionsFromStatus(form.Status), accountID, status.ID)
if err != nil {
return fmt.Errorf("error generating mentions from status: %s", err)
}
for _, menchie := range gtsMenchies {
menchieID, err := id.NewRandomULID()
if err != nil {
return err
}
menchie.ID = menchieID
if err := p.db.Put(menchie); err != nil {
return fmt.Errorf("error putting mentions in db: %s", err)
}
menchies = append(menchies, menchie.ID)
}
// add full populated gts menchies to the status for passing them around conveniently
status.GTSMentions = gtsMenchies
// add just the ids of the mentioned accounts to the status for putting in the db
status.Mentions = menchies
return nil
}
func (p *processor) processTags(form *apimodel.AdvancedStatusCreateForm, accountID string, status *gtsmodel.Status) error {
tags := []string{}
gtsTags, err := p.db.TagStringsToTags(util.DeriveHashtagsFromStatus(form.Status), accountID, status.ID)
if err != nil {
return fmt.Errorf("error generating hashtags from status: %s", err)
}
for _, tag := range gtsTags {
if err := p.db.Upsert(tag, "name"); err != nil {
return fmt.Errorf("error putting tags in db: %s", err)
}
tags = append(tags, tag.ID)
}
// add full populated gts tags to the status for passing them around conveniently
status.GTSTags = gtsTags
// add just the ids of the used tags to the status for putting in the db
status.Tags = tags
return nil
}
func (p *processor) processEmojis(form *apimodel.AdvancedStatusCreateForm, accountID string, status *gtsmodel.Status) error {
emojis := []string{}
gtsEmojis, err := p.db.EmojiStringsToEmojis(util.DeriveEmojisFromStatus(form.Status), accountID, status.ID)
if err != nil {
return fmt.Errorf("error generating emojis from status: %s", err)
}
for _, e := range gtsEmojis {
emojis = append(emojis, e.ID)
}
// add full populated gts emojis to the status for passing them around conveniently
status.GTSEmojis = gtsEmojis
// add just the ids of the used emojis to the status for putting in the db
status.Emojis = emojis
return nil
}
func (p *processor) processContent(form *apimodel.AdvancedStatusCreateForm, accountID string, status *gtsmodel.Status) error {
// if there's nothing in the status at all we can just return early
if form.Status == "" {
status.Content = ""
return nil
}
// if format wasn't specified we should set the default
if form.Format == "" {
form.Format = apimodel.StatusFormatDefault
}
// remove any existing html from the status
content := text.RemoveHTML(form.Status)
// parse content out of the status depending on what format has been submitted
switch form.Format {
case apimodel.StatusFormatPlain:
content = p.formatter.FromPlain(content, status.GTSMentions, status.GTSTags)
case apimodel.StatusFormatMarkdown:
content = p.formatter.FromMarkdown(content, status.GTSMentions, status.GTSTags)
default:
return fmt.Errorf("format %s not recognised as a valid status format", form.Format)
}
status.Content = content
return nil
}