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Timeline manager (#40)

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* start messing about with timeline manager

* i have no idea what i'm doing

* i continue to not know what i'm doing

* it's coming along

* bit more progress

* update timeline with new posts as they come in

* lint and fmt

* Select accounts where empty string

* restructure a bunch, get unfaves working

* moving stuff around

* federate status deletes properly

* mention regex better but not 100% there

* fix regex

* some more hacking away at the timeline code phew

* fix up some little things

* i can't even

* more timeline stuff

* move to ulid

* fiddley

* some lil fixes for kibou compatibility

* timelines working pretty alright!

* tidy + lint
This commit is contained in:
Tobi Smethurst
2021-06-13 18:42:28 +02:00
committed by GitHub
parent 6ac6f8d614
commit b4288f3c47
96 changed files with 3458 additions and 1679 deletions
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15
internal/db/db.go
View File

@ -143,7 +143,9 @@ type DB interface {
// GetFollowersByAccountID is a shortcut for the common action of fetching a list of accounts that accountID is followed by.
// The given slice 'followers' will be set to the result of the query, whatever it is.
// In case of no entries, a 'no entries' error will be returned
GetFollowersByAccountID(accountID string, followers *[]gtsmodel.Follow) error
//
// If localOnly is set to true, then only followers from *this instance* will be returned.
GetFollowersByAccountID(accountID string, followers *[]gtsmodel.Follow, localOnly bool) error
// GetFavesByAccountID is a shortcut for the common action of fetching a list of faves made by the given accountID.
// The given slice 'faves' will be set to the result of the query, whatever it is.
@ -210,7 +212,7 @@ type DB interface {
// 3. Accounts boosted by the target status
//
// Will return an error if something goes wrong while pulling stuff out of the database.
StatusVisible(targetStatus *gtsmodel.Status, targetAccount *gtsmodel.Account, requestingAccount *gtsmodel.Account, relevantAccounts *gtsmodel.RelevantAccounts) (bool, error)
StatusVisible(targetStatus *gtsmodel.Status, requestingAccount *gtsmodel.Account, relevantAccounts *gtsmodel.RelevantAccounts) (bool, error)
// Follows returns true if sourceAccount follows target account, or an error if something goes wrong while finding out.
Follows(sourceAccount *gtsmodel.Account, targetAccount *gtsmodel.Account) (bool, error)
@ -245,10 +247,6 @@ type DB interface {
// StatusBookmarkedBy checks if a given status has been bookmarked by a given account ID
StatusBookmarkedBy(status *gtsmodel.Status, accountID string) (bool, error)
// UnfaveStatus unfaves the given status, using accountID as the unfaver (sure, that's a word).
// The returned fave will be nil if the status was already not faved.
UnfaveStatus(status *gtsmodel.Status, accountID string) (*gtsmodel.StatusFave, error)
// WhoFavedStatus returns a slice of accounts who faved 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.
WhoFavedStatus(status *gtsmodel.Status) ([]*gtsmodel.Account, error)
@ -257,9 +255,8 @@ 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.
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)
// GetStatusesWhereFollowing returns a slice of statuses from accounts that are followed by the given account id.
GetStatusesWhereFollowing(accountID string, maxID string, sinceID string, minID string, limit int, local bool) ([]*gtsmodel.Status, error)
// GetPublicTimelineForAccount fetches the account's PUBLIC timline -- ie., posts and replies that are public.
// It will use the given filters and try to return as many statuses as possible up to the limit.

291
internal/db/pg/pg.go
View File

@ -33,11 +33,11 @@ import (
"github.com/go-pg/pg/extra/pgdebug"
"github.com/go-pg/pg/v10"
"github.com/go-pg/pg/v10/orm"
"github.com/google/uuid"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/id"
"github.com/superseriousbusiness/gotosocial/internal/util"
"golang.org/x/crypto/bcrypt"
)
@ -223,12 +223,16 @@ func (ps *postgresService) GetWhere(where []db.Where, i interface{}) error {
q := ps.conn.Model(i)
for _, w := range where {
if w.CaseInsensitive {
q = q.Where("LOWER(?) = LOWER(?)", pg.Safe(w.Key), w.Value)
} else {
q = q.Where("? = ?", pg.Safe(w.Key), w.Value)
}
if w.Value == nil {
q = q.Where("? IS NULL", pg.Ident(w.Key))
} else {
if w.CaseInsensitive {
q = q.Where("LOWER(?) = LOWER(?)", pg.Safe(w.Key), w.Value)
} else {
q = q.Where("? = ?", pg.Safe(w.Key), w.Value)
}
}
}
if err := q.Select(); err != nil {
@ -240,10 +244,6 @@ func (ps *postgresService) GetWhere(where []db.Where, i interface{}) error {
return nil
}
// func (ps *postgresService) GetWhereMany(i interface{}, where ...model.Where) error {
// return nil
// }
func (ps *postgresService) GetAll(i interface{}) error {
if err := ps.conn.Model(i).Select(); err != nil {
if err == pg.ErrNoRows {
@ -334,6 +334,7 @@ func (ps *postgresService) AcceptFollowRequest(originAccountID string, targetAcc
// create a new follow to 'replace' the request with
follow := &gtsmodel.Follow{
ID: fr.ID,
AccountID: originAccountID,
TargetAccountID: targetAccountID,
URI: fr.URI,
@ -360,8 +361,14 @@ func (ps *postgresService) CreateInstanceAccount() error {
return err
}
aID, err := id.NewRandomULID()
if err != nil {
return err
}
newAccountURIs := util.GenerateURIsForAccount(username, ps.config.Protocol, ps.config.Host)
a := &gtsmodel.Account{
ID: aID,
Username: ps.config.Host,
DisplayName: username,
URL: newAccountURIs.UserURL,
@ -389,7 +396,13 @@ func (ps *postgresService) CreateInstanceAccount() error {
}
func (ps *postgresService) CreateInstanceInstance() error {
iID, err := id.NewRandomULID()
if err != nil {
return err
}
i := &gtsmodel.Instance{
ID: iID,
Domain: ps.config.Host,
Title: ps.config.Host,
URI: fmt.Sprintf("%s://%s", ps.config.Protocol, ps.config.Host),
@ -455,8 +468,28 @@ func (ps *postgresService) GetFollowingByAccountID(accountID string, following *
return nil
}
func (ps *postgresService) GetFollowersByAccountID(accountID string, followers *[]gtsmodel.Follow) error {
if err := ps.conn.Model(followers).Where("target_account_id = ?", accountID).Select(); err != nil {
func (ps *postgresService) GetFollowersByAccountID(accountID string, followers *[]gtsmodel.Follow, localOnly bool) error {
q := ps.conn.Model(followers)
if localOnly {
// for local accounts let's get where domain is null OR where domain is an empty string, just to be safe
whereGroup := func(q *pg.Query) (*pg.Query, error) {
q = q.
WhereOr("? IS NULL", pg.Ident("a.domain")).
WhereOr("a.domain = ?", "")
return q, nil
}
q = q.ColumnExpr("follow.*").
Join("JOIN accounts AS a ON follow.account_id = TEXT(a.id)").
Where("follow.target_account_id = ?", accountID).
WhereGroup(whereGroup)
} else {
q = q.Where("target_account_id = ?", accountID)
}
if err := q.Select(); err != nil {
if err == pg.ErrNoRows {
return nil
}
@ -580,8 +613,13 @@ func (ps *postgresService) NewSignup(username string, reason string, requireAppr
}
newAccountURIs := util.GenerateURIsForAccount(username, ps.config.Protocol, ps.config.Host)
newAccountID, err := id.NewRandomULID()
if err != nil {
return nil, err
}
a := &gtsmodel.Account{
ID: newAccountID,
Username: username,
DisplayName: username,
Reason: reason,
@ -605,8 +643,15 @@ func (ps *postgresService) NewSignup(username string, reason string, requireAppr
if err != nil {
return nil, fmt.Errorf("error hashing password: %s", err)
}
newUserID, err := id.NewRandomULID()
if err != nil {
return nil, err
}
u := &gtsmodel.User{
AccountID: a.ID,
ID: newUserID,
AccountID: newAccountID,
EncryptedPassword: string(pw),
SignUpIP: signUpIP,
Locale: locale,
@ -761,12 +806,14 @@ func (ps *postgresService) GetRelationship(requestingAccount string, targetAccou
return r, nil
}
func (ps *postgresService) StatusVisible(targetStatus *gtsmodel.Status, targetAccount *gtsmodel.Account, requestingAccount *gtsmodel.Account, relevantAccounts *gtsmodel.RelevantAccounts) (bool, error) {
func (ps *postgresService) StatusVisible(targetStatus *gtsmodel.Status, requestingAccount *gtsmodel.Account, relevantAccounts *gtsmodel.RelevantAccounts) (bool, error) {
l := ps.log.WithField("func", "StatusVisible")
targetAccount := relevantAccounts.StatusAuthor
// if target account is suspended then don't show the status
if !targetAccount.SuspendedAt.IsZero() {
l.Debug("target account suspended at is not zero")
l.Trace("target account suspended at is not zero")
return false, nil
}
@ -785,7 +832,7 @@ func (ps *postgresService) StatusVisible(targetStatus *gtsmodel.Status, targetAc
// if target user is disabled, not yet approved, or not confirmed then don't show the status
// (although in the latter two cases it's unlikely they posted a status yet anyway, but you never know!)
if targetUser.Disabled || !targetUser.Approved || targetUser.ConfirmedAt.IsZero() {
l.Debug("target user is disabled, not approved, or not confirmed")
l.Trace("target user is disabled, not approved, or not confirmed")
return false, nil
}
}
@ -793,18 +840,17 @@ func (ps *postgresService) StatusVisible(targetStatus *gtsmodel.Status, targetAc
// If requesting account is nil, that means whoever requested the status didn't auth, or their auth failed.
// In this case, we can still serve the status if it's public, otherwise we definitely shouldn't.
if requestingAccount == nil {
if targetStatus.Visibility == gtsmodel.VisibilityPublic {
return true, nil
}
l.Debug("requesting account is nil but the target status isn't public")
l.Trace("requesting account is nil but the target status isn't public")
return false, nil
}
// if requesting account is suspended then don't show the status -- although they probably shouldn't have gotten
// this far (ie., been authed) in the first place: this is just for safety.
if !requestingAccount.SuspendedAt.IsZero() {
l.Debug("requesting account is suspended")
l.Trace("requesting account is suspended")
return false, nil
}
@ -822,7 +868,7 @@ func (ps *postgresService) StatusVisible(targetStatus *gtsmodel.Status, targetAc
}
// okay, user exists, so make sure it has full privileges/is confirmed/approved
if requestingUser.Disabled || !requestingUser.Approved || requestingUser.ConfirmedAt.IsZero() {
l.Debug("requesting account is local but corresponding user is either disabled, not approved, or not confirmed")
l.Trace("requesting account is local but corresponding user is either disabled, not approved, or not confirmed")
return false, nil
}
}
@ -839,20 +885,32 @@ func (ps *postgresService) StatusVisible(targetStatus *gtsmodel.Status, targetAc
return false, err
} else if blocked {
// don't allow the status to be viewed if a block exists in *either* direction between these two accounts, no creepy stalking please
l.Debug("a block exists between requesting account and target account")
l.Trace("a block exists between requesting account and target account")
return false, nil
}
// check other accounts mentioned/boosted by/replied to by the status, if they exist
if relevantAccounts != nil {
// status replies to account id
if relevantAccounts.ReplyToAccount != nil {
if relevantAccounts.ReplyToAccount != nil && relevantAccounts.ReplyToAccount.ID != requestingAccount.ID {
if blocked, err := ps.Blocked(relevantAccounts.ReplyToAccount.ID, requestingAccount.ID); err != nil {
return false, err
} else if blocked {
l.Debug("a block exists between requesting account and reply to account")
l.Trace("a block exists between requesting account and reply to account")
return false, nil
}
// check reply to ID
if targetStatus.InReplyToID != "" {
followsRepliedAccount, err := ps.Follows(requestingAccount, relevantAccounts.ReplyToAccount)
if err != nil {
return false, err
}
if !followsRepliedAccount {
l.Trace("target status is a followers-only reply to an account that is not followed by the requesting account")
return false, nil
}
}
}
// status boosts accounts id
@ -860,7 +918,7 @@ func (ps *postgresService) StatusVisible(targetStatus *gtsmodel.Status, targetAc
if blocked, err := ps.Blocked(relevantAccounts.BoostedAccount.ID, requestingAccount.ID); err != nil {
return false, err
} else if blocked {
l.Debug("a block exists between requesting account and boosted account")
l.Trace("a block exists between requesting account and boosted account")
return false, nil
}
}
@ -870,7 +928,7 @@ func (ps *postgresService) StatusVisible(targetStatus *gtsmodel.Status, targetAc
if blocked, err := ps.Blocked(relevantAccounts.BoostedReplyToAccount.ID, requestingAccount.ID); err != nil {
return false, err
} else if blocked {
l.Debug("a block exists between requesting account and boosted reply to account")
l.Trace("a block exists between requesting account and boosted reply to account")
return false, nil
}
}
@ -880,7 +938,7 @@ func (ps *postgresService) StatusVisible(targetStatus *gtsmodel.Status, targetAc
if blocked, err := ps.Blocked(a.ID, requestingAccount.ID); err != nil {
return false, err
} else if blocked {
l.Debug("a block exists between requesting account and a mentioned account")
l.Trace("a block exists between requesting account and a mentioned account")
return false, nil
}
}
@ -906,7 +964,7 @@ func (ps *postgresService) StatusVisible(targetStatus *gtsmodel.Status, targetAc
return false, err
}
if !follows {
l.Debug("requested status is followers only but requesting account is not a follower")
l.Trace("requested status is followers only but requesting account is not a follower")
return false, nil
}
return true, nil
@ -917,12 +975,12 @@ func (ps *postgresService) StatusVisible(targetStatus *gtsmodel.Status, targetAc
return false, err
}
if !mutuals {
l.Debug("requested status is mutuals only but accounts aren't mufos")
l.Trace("requested status is mutuals only but accounts aren't mufos")
return false, nil
}
return true, nil
case gtsmodel.VisibilityDirect:
l.Debug("requesting account requests a status it's not mentioned in")
l.Trace("requesting account requests a status it's not mentioned in")
return false, nil // it's not mentioned -_-
}
@ -964,6 +1022,16 @@ func (ps *postgresService) PullRelevantAccountsFromStatus(targetStatus *gtsmodel
MentionedAccounts: []*gtsmodel.Account{},
}
// get the author account
if targetStatus.GTSAuthorAccount == nil {
statusAuthor := &gtsmodel.Account{}
if err := ps.conn.Model(statusAuthor).Where("id = ?", targetStatus.AccountID).Select(); err != nil {
return accounts, fmt.Errorf("PullRelevantAccountsFromStatus: error getting statusAuthor with id %s: %s", targetStatus.AccountID, err)
}
targetStatus.GTSAuthorAccount = statusAuthor
}
accounts.StatusAuthor = targetStatus.GTSAuthorAccount
// get the replied to account from the status and add it to the pile
if targetStatus.InReplyToAccountID != "" {
repliedToAccount := &gtsmodel.Account{}
@ -1042,55 +1110,6 @@ func (ps *postgresService) StatusBookmarkedBy(status *gtsmodel.Status, accountID
return ps.conn.Model(&gtsmodel.StatusBookmark{}).Where("status_id = ?", status.ID).Where("account_id = ?", accountID).Exists()
}
// func (ps *postgresService) FaveStatus(status *gtsmodel.Status, accountID string) (*gtsmodel.StatusFave, error) {
// // first check if a fave already exists, we can just return if so
// existingFave := &gtsmodel.StatusFave{}
// err := ps.conn.Model(existingFave).Where("status_id = ?", status.ID).Where("account_id = ?", accountID).Select()
// if err == nil {
// // fave already exists so just return nothing at all
// return nil, nil
// }
// // an error occurred so it might exist or not, we don't know
// if err != pg.ErrNoRows {
// return nil, err
// }
// // it doesn't exist so create it
// newFave := &gtsmodel.StatusFave{
// AccountID: accountID,
// TargetAccountID: status.AccountID,
// StatusID: status.ID,
// }
// if _, err = ps.conn.Model(newFave).Insert(); err != nil {
// return nil, err
// }
// return newFave, nil
// }
func (ps *postgresService) UnfaveStatus(status *gtsmodel.Status, accountID string) (*gtsmodel.StatusFave, error) {
// if a fave doesn't exist, we don't need to do anything
existingFave := &gtsmodel.StatusFave{}
err := ps.conn.Model(existingFave).Where("status_id = ?", status.ID).Where("account_id = ?", accountID).Select()
// the fave doesn't exist so return nothing at all
if err == pg.ErrNoRows {
return nil, nil
}
// an error occurred so it might exist or not, we don't know
if err != nil && err != pg.ErrNoRows {
return nil, err
}
// the fave exists so remove it
if _, err = ps.conn.Model(&gtsmodel.StatusFave{}).Where("status_id = ?", status.ID).Where("account_id = ?", accountID).Delete(); err != nil {
return nil, err
}
return existingFave, nil
}
func (ps *postgresService) WhoFavedStatus(status *gtsmodel.Status) ([]*gtsmodel.Account, error) {
accounts := []*gtsmodel.Account{}
@ -1139,7 +1158,7 @@ func (ps *postgresService) WhoBoostedStatus(status *gtsmodel.Status) ([]*gtsmode
return accounts, nil
}
func (ps *postgresService) GetHomeTimelineForAccount(accountID string, maxID string, sinceID string, minID string, limit int, local bool) ([]*gtsmodel.Status, error) {
func (ps *postgresService) GetStatusesWhereFollowing(accountID string, maxID string, sinceID string, minID string, limit int, local bool) ([]*gtsmodel.Status, error) {
statuses := []*gtsmodel.Status{}
q := ps.conn.Model(&statuses)
@ -1147,38 +1166,38 @@ func (ps *postgresService) GetHomeTimelineForAccount(accountID string, maxID str
q = q.ColumnExpr("status.*").
Join("JOIN follows AS f ON f.target_account_id = status.account_id").
Where("f.account_id = ?", accountID).
Limit(limit).
Order("status.created_at DESC")
Order("status.id DESC")
if maxID != "" {
s := &gtsmodel.Status{}
if err := ps.conn.Model(s).Where("id = ?", maxID).Select(); err != nil {
return nil, err
}
q = q.Where("status.created_at < ?", s.CreatedAt)
}
if minID != "" {
s := &gtsmodel.Status{}
if err := ps.conn.Model(s).Where("id = ?", minID).Select(); err != nil {
return nil, err
}
q = q.Where("status.created_at > ?", s.CreatedAt)
q = q.Where("status.id < ?", maxID)
}
if sinceID != "" {
s := &gtsmodel.Status{}
if err := ps.conn.Model(s).Where("id = ?", sinceID).Select(); err != nil {
return nil, err
}
q = q.Where("status.created_at > ?", s.CreatedAt)
q = q.Where("status.id > ?", sinceID)
}
if minID != "" {
q = q.Where("status.id > ?", minID)
}
if local {
q = q.Where("status.local = ?", local)
}
if limit > 0 {
q = q.Limit(limit)
}
err := q.Select()
if err != nil {
if err != pg.ErrNoRows {
return nil, err
if err == pg.ErrNoRows {
return nil, db.ErrNoEntries{}
}
return nil, err
}
if len(statuses) == 0 {
return nil, db.ErrNoEntries{}
}
return statuses, nil
@ -1189,42 +1208,36 @@ func (ps *postgresService) GetPublicTimelineForAccount(accountID string, maxID s
q := ps.conn.Model(&statuses).
Where("visibility = ?", gtsmodel.VisibilityPublic).
Limit(limit).
Order("created_at DESC")
Where("? IS NULL", pg.Ident("in_reply_to_id")).
Where("? IS NULL", pg.Ident("boost_of_id")).
Order("status.id DESC")
if maxID != "" {
s := &gtsmodel.Status{}
if err := ps.conn.Model(s).Where("id = ?", maxID).Select(); err != nil {
return nil, err
}
q = q.Where("created_at < ?", s.CreatedAt)
}
if minID != "" {
s := &gtsmodel.Status{}
if err := ps.conn.Model(s).Where("id = ?", minID).Select(); err != nil {
return nil, err
}
q = q.Where("created_at > ?", s.CreatedAt)
q = q.Where("status.id < ?", maxID)
}
if sinceID != "" {
s := &gtsmodel.Status{}
if err := ps.conn.Model(s).Where("id = ?", sinceID).Select(); err != nil {
return nil, err
}
q = q.Where("created_at > ?", s.CreatedAt)
q = q.Where("status.id > ?", sinceID)
}
if minID != "" {
q = q.Where("status.id > ?", minID)
}
if local {
q = q.Where("local = ?", local)
q = q.Where("status.local = ?", local)
}
if limit > 0 {
q = q.Limit(limit)
}
err := q.Select()
if err != nil {
if err != pg.ErrNoRows {
return nil, err
if err == pg.ErrNoRows {
return nil, db.ErrNoEntries{}
}
return nil, err
}
return statuses, nil
@ -1236,19 +1249,11 @@ func (ps *postgresService) GetNotificationsForAccount(accountID string, limit in
q := ps.conn.Model(&notifications).Where("target_account_id = ?", accountID)
if maxID != "" {
n := &gtsmodel.Notification{}
if err := ps.conn.Model(n).Where("id = ?", maxID).Select(); err != nil {
return nil, err
}
q = q.Where("created_at < ?", n.CreatedAt)
q = q.Where("id < ?", maxID)
}
if sinceID != "" {
n := &gtsmodel.Notification{}
if err := ps.conn.Model(n).Where("id = ?", sinceID).Select(); err != nil {
return nil, err
}
q = q.Where("created_at > ?", n.CreatedAt)
q = q.Where("id > ?", sinceID)
}
if limit != 0 {
@ -1270,6 +1275,8 @@ func (ps *postgresService) GetNotificationsForAccount(accountID string, limit in
CONVERSION FUNCTIONS
*/
// TODO: move these to the type converter, it's bananas that they're here and not there
func (ps *postgresService) MentionStringsToMentions(targetAccounts []string, originAccountID string, statusID string) ([]*gtsmodel.Mention, error) {
ogAccount := &gtsmodel.Account{}
if err := ps.conn.Model(ogAccount).Where("id = ?", originAccountID).Select(); err != nil {
@ -1313,12 +1320,14 @@ func (ps *postgresService) MentionStringsToMentions(targetAccounts []string, ori
// okay we're good now, we can start pulling accounts out of the database
mentionedAccount := &gtsmodel.Account{}
var err error
// match username + account, case insensitive
if local {
// local user -- should have a null domain
err = ps.conn.Model(mentionedAccount).Where("username = ?", username).Where("? IS NULL", pg.Ident("domain")).Select()
err = ps.conn.Model(mentionedAccount).Where("LOWER(?) = LOWER(?)", pg.Ident("username"), username).Where("? IS NULL", pg.Ident("domain")).Select()
} else {
// remote user -- should have domain defined
err = ps.conn.Model(mentionedAccount).Where("username = ?", username).Where("? = ?", pg.Ident("domain"), domain).Select()
err = ps.conn.Model(mentionedAccount).Where("LOWER(?) = LOWER(?)", pg.Ident("username"), username).Where("LOWER(?) = LOWER(?)", pg.Ident("domain"), domain).Select()
}
if err != nil {
@ -1339,6 +1348,7 @@ func (ps *postgresService) MentionStringsToMentions(targetAccounts []string, ori
TargetAccountID: mentionedAccount.ID,
NameString: a,
MentionedAccountURI: mentionedAccount.URI,
MentionedAccountURL: mentionedAccount.URL,
GTSAccount: mentionedAccount,
})
}
@ -1351,10 +1361,15 @@ func (ps *postgresService) TagStringsToTags(tags []string, originAccountID strin
tag := &gtsmodel.Tag{}
// we can use selectorinsert here to create the new tag if it doesn't exist already
// inserted will be true if this is a new tag we just created
if err := ps.conn.Model(tag).Where("name = ?", t).Select(); err != nil {
if err := ps.conn.Model(tag).Where("LOWER(?) = LOWER(?)", pg.Ident("name"), t).Select(); err != nil {
if err == pg.ErrNoRows {
// tag doesn't exist yet so populate it
tag.ID = uuid.NewString()
newID, err := id.NewRandomULID()
if err != nil {
return nil, err
}
tag.ID = newID
tag.URL = fmt.Sprintf("%s://%s/tags/%s", ps.config.Protocol, ps.config.Host, t)
tag.Name = t
tag.FirstSeenFromAccountID = originAccountID
tag.CreatedAt = time.Now()