mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-05 01:52:46 +00:00
84279f6a6a
* improvements to caching for lists and relationship to accounts / follows * fix nil panic in AddToList() * ensure list related caches are correctly invalidated * ensure returned ID lists are ordered correctly * bump go-structr to v0.8.9 (returns early if zero uncached keys to be loaded) * remove zero checks in uncached key load functions (go-structr now handles this) * fix issues after rebase on upstream/main * update the expected return order of CSV exports (since list entries are now down by entry creation date) * rename some funcs, allow deleting list entries for multiple follow IDs at a time, fix up more tests * use returning statements on delete to get cache invalidation info * fixes to recent database delete changes * fix broken list entries delete sql * remove unused db function * update remainder of delete functions to behave in similar way, some other small tweaks * fix delete user sql, allow returning on err no entries * uncomment + fix list database tests * update remaining list tests * update envparsing test * add comments to each specific key being invalidated * add more cache invalidation explanatory comments * whoops; actually delete poll votes from database in the DeletePollByID() func * remove added but-commented-out field * improved comment regarding paging being disabled * make cache invalidation comments match what's actually happening * fix up delete query comments to match what is happening * rename function to read a bit better * don't use ErrNoEntries on delete when not needed (it's only needed for a RETURNING call) * update function name in test * move list exclusivity check to AFTER eligibility check. use log.Panic() instead of panic() * use the poll_id column in poll_votes for selecting votes in poll ID * fix function name
572 lines
14 KiB
Go
572 lines
14 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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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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//
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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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//
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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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package bundb
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import (
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"context"
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"errors"
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"fmt"
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"slices"
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"time"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
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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/id"
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"github.com/superseriousbusiness/gotosocial/internal/state"
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"github.com/uptrace/bun"
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)
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type timelineDB struct {
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db *bun.DB
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state *state.State
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}
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func (t *timelineDB) GetHomeTimeline(ctx context.Context, accountID string, maxID string, sinceID string, minID string, limit int, local bool) ([]*gtsmodel.Status, error) {
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// Ensure reasonable
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if limit < 0 {
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limit = 0
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}
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// Make educated guess for slice size
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var (
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statusIDs = make([]string, 0, limit)
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frontToBack = true
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)
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// As this is the home timeline, it should be
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// populated by statuses from accounts followed
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// by accountID, and posts from accountID itself.
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//
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// So, begin by seeing who accountID follows.
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// It should be a little cheaper to do this in
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// a separate query like this, rather than using
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// a join, since followIDs are cached in memory.
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follows, err := t.state.DB.GetAccountFollows(
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gtscontext.SetBarebones(ctx),
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accountID,
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nil, // select all
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)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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return nil, gtserror.Newf("db error getting follows for account %s: %w", accountID, err)
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}
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// To take account of exclusive lists, get all of
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// this account's lists, so we can filter out follows
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// that are in contained in exclusive lists.
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lists, err := t.state.DB.GetListsByAccountID(ctx, accountID)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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return nil, gtserror.Newf("db error getting lists for account %s: %w", accountID, err)
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}
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// Index all follow IDs that fall in exclusive lists.
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ignoreFollowIDs := make(map[string]struct{})
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for _, list := range lists {
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if !*list.Exclusive {
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// Not exclusive,
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// we don't care.
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continue
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}
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// Fetch all follow IDs of the entries ccontained in this list.
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listFollowIDs, err := t.state.DB.GetFollowIDsInList(ctx, list.ID, nil)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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return nil, gtserror.Newf("db error getting list entry follow ids: %w", err)
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}
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// Exclusive list, index all its follow IDs.
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for _, followID := range listFollowIDs {
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ignoreFollowIDs[followID] = struct{}{}
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}
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}
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// Extract just the accountID from each follow,
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// ignoring follows that are in exclusive lists.
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targetAccountIDs := make([]string, 0, len(follows)+1)
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for _, f := range follows {
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_, ignore := ignoreFollowIDs[f.ID]
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if !ignore {
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targetAccountIDs = append(
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targetAccountIDs,
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f.TargetAccountID,
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)
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}
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}
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// Add accountID itself as a pseudo follow so that
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// accountID can see its own posts in the timeline.
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targetAccountIDs = append(targetAccountIDs, accountID)
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// Now start building the database query.
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q := t.db.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
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// Select only IDs from table
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Column("status.id")
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if maxID == "" || maxID >= id.Highest {
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const future = 24 * time.Hour
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var err error
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// don't return statuses more than 24hr in the future
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maxID, err = id.NewULIDFromTime(time.Now().Add(future))
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if err != nil {
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return nil, err
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}
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}
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// return only statuses LOWER (ie., older) than maxID
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q = q.Where("? < ?", bun.Ident("status.id"), maxID)
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if sinceID != "" {
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// return only statuses HIGHER (ie., newer) than sinceID
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q = q.Where("? > ?", bun.Ident("status.id"), sinceID)
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}
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if minID != "" {
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// return only statuses HIGHER (ie., newer) than minID
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q = q.Where("? > ?", bun.Ident("status.id"), minID)
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// page up
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frontToBack = false
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}
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if local {
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// return only statuses posted by local account havers
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q = q.Where("? = ?", bun.Ident("status.local"), local)
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}
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// Select only statuses authored by
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// accounts with IDs in the slice.
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q = q.Where(
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"? IN (?)",
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bun.Ident("status.account_id"),
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bun.In(targetAccountIDs),
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)
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// Only include statuses that aren't pending approval.
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q = q.Where("NOT ? = ?", bun.Ident("status.pending_approval"), true)
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if limit > 0 {
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// limit amount of statuses returned
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q = q.Limit(limit)
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}
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if frontToBack {
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// Page down.
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q = q.Order("status.id DESC")
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} else {
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// Page up.
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q = q.Order("status.id ASC")
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}
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if err := q.Scan(ctx, &statusIDs); err != nil {
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return nil, err
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}
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if len(statusIDs) == 0 {
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return nil, nil
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}
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// If we're paging up, we still want statuses
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// to be sorted by ID desc, so reverse ids slice.
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// https://zchee.github.io/golang-wiki/SliceTricks/#reversing
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if !frontToBack {
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for l, r := 0, len(statusIDs)-1; l < r; l, r = l+1, r-1 {
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statusIDs[l], statusIDs[r] = statusIDs[r], statusIDs[l]
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}
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}
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// Return status IDs loaded from cache + db.
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return t.state.DB.GetStatusesByIDs(ctx, statusIDs)
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}
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func (t *timelineDB) GetPublicTimeline(ctx context.Context, maxID string, sinceID string, minID string, limit int, local bool) ([]*gtsmodel.Status, error) {
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// Ensure reasonable
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if limit < 0 {
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limit = 0
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}
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// Make educated guess for slice size
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var (
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statusIDs = make([]string, 0, limit)
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frontToBack = true
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)
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q := t.db.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
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// Public only.
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Where("? = ?", bun.Ident("status.visibility"), gtsmodel.VisibilityPublic).
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// Ignore boosts.
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Where("? IS NULL", bun.Ident("status.boost_of_id")).
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// Select only IDs from table
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Column("status.id")
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if maxID == "" || maxID >= id.Highest {
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const future = 24 * time.Hour
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var err error
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// don't return statuses more than 24hr in the future
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maxID, err = id.NewULIDFromTime(time.Now().Add(future))
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if err != nil {
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return nil, err
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}
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}
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// return only statuses LOWER (ie., older) than maxID
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q = q.Where("? < ?", bun.Ident("status.id"), maxID)
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if sinceID != "" {
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// return only statuses HIGHER (ie., newer) than sinceID
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q = q.Where("? > ?", bun.Ident("status.id"), sinceID)
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}
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if minID != "" {
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// return only statuses HIGHER (ie., newer) than minID
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q = q.Where("? > ?", bun.Ident("status.id"), minID)
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// page up
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frontToBack = false
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}
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if local {
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// return only statuses posted by local account havers
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q = q.Where("? = ?", bun.Ident("status.local"), local)
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}
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// Only include statuses that aren't pending approval.
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q = q.Where("NOT ? = ?", bun.Ident("status.pending_approval"), true)
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if limit > 0 {
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// limit amount of statuses returned
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q = q.Limit(limit)
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}
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if frontToBack {
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// Page down.
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q = q.Order("status.id DESC")
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} else {
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// Page up.
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q = q.Order("status.id ASC")
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}
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if err := q.Scan(ctx, &statusIDs); err != nil {
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return nil, err
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}
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if len(statusIDs) == 0 {
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return nil, nil
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}
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// If we're paging up, we still want statuses
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// to be sorted by ID desc, so reverse ids slice.
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// https://zchee.github.io/golang-wiki/SliceTricks/#reversing
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if !frontToBack {
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for l, r := 0, len(statusIDs)-1; l < r; l, r = l+1, r-1 {
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statusIDs[l], statusIDs[r] = statusIDs[r], statusIDs[l]
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}
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}
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// Return status IDs loaded from cache + db.
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return t.state.DB.GetStatusesByIDs(ctx, statusIDs)
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}
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// TODO optimize this query and the logic here, because it's slow as balls -- it takes like a literal second to return with a limit of 20!
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// It might be worth serving it through a timeline instead of raw DB queries, like we do for Home feeds.
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func (t *timelineDB) GetFavedTimeline(ctx context.Context, accountID string, maxID string, minID string, limit int) ([]*gtsmodel.Status, string, string, error) {
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// Ensure reasonable
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if limit < 0 {
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limit = 0
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}
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// Make educated guess for slice size
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faves := make([]*gtsmodel.StatusFave, 0, limit)
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fq := t.db.
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NewSelect().
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Model(&faves).
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Where("? = ?", bun.Ident("status_fave.account_id"), accountID).
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Order("status_fave.id DESC")
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if maxID != "" {
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fq = fq.Where("? < ?", bun.Ident("status_fave.id"), maxID)
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}
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if minID != "" {
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fq = fq.Where("? > ?", bun.Ident("status_fave.id"), minID)
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}
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if limit > 0 {
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fq = fq.Limit(limit)
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}
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err := fq.Scan(ctx)
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if err != nil {
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return nil, "", "", err
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}
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if len(faves) == 0 {
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return nil, "", "", db.ErrNoEntries
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}
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// Sort by favourite ID rather than status ID
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slices.SortFunc(faves, func(a, b *gtsmodel.StatusFave) int {
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const k = -1
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switch {
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case a.ID > b.ID:
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return +k
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case a.ID < b.ID:
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return -k
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default:
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return 0
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}
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})
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// Convert fave IDs to status IDs.
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statusIDs := make([]string, len(faves))
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for i, fave := range faves {
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statusIDs[i] = fave.StatusID
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}
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statuses, err := t.state.DB.GetStatusesByIDs(ctx, statusIDs)
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if err != nil {
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return nil, "", "", err
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}
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nextMaxID := faves[len(faves)-1].ID
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prevMinID := faves[0].ID
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return statuses, nextMaxID, prevMinID, nil
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}
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func (t *timelineDB) GetListTimeline(
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ctx context.Context,
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listID string,
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maxID string,
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sinceID string,
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minID string,
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limit int,
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) ([]*gtsmodel.Status, error) {
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// Ensure reasonable
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if limit < 0 {
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limit = 0
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}
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// Make educated guess for slice size
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var (
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statusIDs = make([]string, 0, limit)
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frontToBack = true
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)
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// Fetch all follow IDs contained in list from DB.
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followIDs, err := t.state.DB.GetFollowIDsInList(
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ctx, listID, nil,
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)
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if err != nil {
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return nil, fmt.Errorf("error getting follows in list: %w", err)
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}
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// If there's no list follows we can't
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// possibly return anything for this list.
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if len(followIDs) == 0 {
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return make([]*gtsmodel.Status, 0), nil
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}
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// Select target account IDs from follows.
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subQ := t.db.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("follows"), bun.Ident("follow")).
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Column("follow.target_account_id").
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Where("? IN (?)", bun.Ident("follow.id"), bun.In(followIDs))
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// Select only status IDs created
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// by one of the followed accounts.
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q := t.db.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
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// Select only IDs from table
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Column("status.id").
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Where("? IN (?)", bun.Ident("status.account_id"), subQ)
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if maxID == "" || maxID >= id.Highest {
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const future = 24 * time.Hour
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var err error
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// don't return statuses more than 24hr in the future
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maxID, err = id.NewULIDFromTime(time.Now().Add(future))
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if err != nil {
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return nil, err
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}
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}
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// return only statuses LOWER (ie., older) than maxID
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q = q.Where("? < ?", bun.Ident("status.id"), maxID)
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if sinceID != "" {
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// return only statuses HIGHER (ie., newer) than sinceID
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q = q.Where("? > ?", bun.Ident("status.id"), sinceID)
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}
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if minID != "" {
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// return only statuses HIGHER (ie., newer) than minID
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q = q.Where("? > ?", bun.Ident("status.id"), minID)
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// page up
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frontToBack = false
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}
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// Only include statuses that aren't pending approval.
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q = q.Where("NOT ? = ?", bun.Ident("status.pending_approval"), true)
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if limit > 0 {
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// limit amount of statuses returned
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q = q.Limit(limit)
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}
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if frontToBack {
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// Page down.
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q = q.Order("status.id DESC")
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} else {
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// Page up.
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q = q.Order("status.id ASC")
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}
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if err := q.Scan(ctx, &statusIDs); err != nil {
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return nil, err
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}
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if len(statusIDs) == 0 {
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return nil, nil
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}
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// If we're paging up, we still want statuses
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// to be sorted by ID desc, so reverse ids slice.
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// https://zchee.github.io/golang-wiki/SliceTricks/#reversing
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if !frontToBack {
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for l, r := 0, len(statusIDs)-1; l < r; l, r = l+1, r-1 {
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statusIDs[l], statusIDs[r] = statusIDs[r], statusIDs[l]
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}
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}
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// Return status IDs loaded from cache + db.
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return t.state.DB.GetStatusesByIDs(ctx, statusIDs)
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}
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|
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func (t *timelineDB) GetTagTimeline(
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ctx context.Context,
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tagID string,
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maxID string,
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sinceID string,
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minID string,
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limit int,
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) ([]*gtsmodel.Status, error) {
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// Ensure reasonable
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if limit < 0 {
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limit = 0
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}
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|
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// Make educated guess for slice size
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var (
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statusIDs = make([]string, 0, limit)
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frontToBack = true
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)
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q := t.db.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("status_to_tags"), bun.Ident("status_to_tag")).
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Column("status_to_tag.status_id").
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// Join with statuses for filtering.
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Join(
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"INNER JOIN ? AS ? ON ? = ?",
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bun.Ident("statuses"), bun.Ident("status"),
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bun.Ident("status.id"), bun.Ident("status_to_tag.status_id"),
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).
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// Public only.
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Where("? = ?", bun.Ident("status.visibility"), gtsmodel.VisibilityPublic).
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// This tag only.
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Where("? = ?", bun.Ident("status_to_tag.tag_id"), tagID)
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if maxID == "" || maxID >= id.Highest {
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const future = 24 * time.Hour
|
|
|
|
var err error
|
|
|
|
// don't return statuses more than 24hr in the future
|
|
maxID, err = id.NewULIDFromTime(time.Now().Add(future))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
// return only statuses LOWER (ie., older) than maxID
|
|
q = q.Where("? < ?", bun.Ident("status_to_tag.status_id"), maxID)
|
|
|
|
if sinceID != "" {
|
|
// return only statuses HIGHER (ie., newer) than sinceID
|
|
q = q.Where("? > ?", bun.Ident("status_to_tag.status_id"), sinceID)
|
|
}
|
|
|
|
if minID != "" {
|
|
// return only statuses HIGHER (ie., newer) than minID
|
|
q = q.Where("? > ?", bun.Ident("status_to_tag.status_id"), minID)
|
|
|
|
// page up
|
|
frontToBack = false
|
|
}
|
|
|
|
// Only include statuses that aren't pending approval.
|
|
q = q.Where("NOT ? = ?", bun.Ident("status.pending_approval"), true)
|
|
|
|
if limit > 0 {
|
|
// limit amount of statuses returned
|
|
q = q.Limit(limit)
|
|
}
|
|
|
|
if frontToBack {
|
|
// Page down.
|
|
q = q.Order("status_to_tag.status_id DESC")
|
|
} else {
|
|
// Page up.
|
|
q = q.Order("status_to_tag.status_id ASC")
|
|
}
|
|
|
|
if err := q.Scan(ctx, &statusIDs); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if len(statusIDs) == 0 {
|
|
return nil, nil
|
|
}
|
|
|
|
// If we're paging up, we still want statuses
|
|
// to be sorted by ID desc, so reverse ids slice.
|
|
// https://zchee.github.io/golang-wiki/SliceTricks/#reversing
|
|
if !frontToBack {
|
|
for l, r := 0, len(statusIDs)-1; l < r; l, r = l+1, r-1 {
|
|
statusIDs[l], statusIDs[r] = statusIDs[r], statusIDs[l]
|
|
}
|
|
}
|
|
|
|
// Return status IDs loaded from cache + db.
|
|
return t.state.DB.GetStatusesByIDs(ctx, statusIDs)
|
|
}
|