1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package timeline
import (
"context"
"errors"
"net/http"
"net/url"
apimodel "code.superseriousbusiness.org/gotosocial/internal/api/model"
timelinepkg "code.superseriousbusiness.org/gotosocial/internal/cache/timeline"
"code.superseriousbusiness.org/gotosocial/internal/db"
statusfilter "code.superseriousbusiness.org/gotosocial/internal/filter/status"
"code.superseriousbusiness.org/gotosocial/internal/filter/usermute"
"code.superseriousbusiness.org/gotosocial/internal/filter/visibility"
"code.superseriousbusiness.org/gotosocial/internal/gtserror"
"code.superseriousbusiness.org/gotosocial/internal/gtsmodel"
"code.superseriousbusiness.org/gotosocial/internal/id"
"code.superseriousbusiness.org/gotosocial/internal/paging"
"code.superseriousbusiness.org/gotosocial/internal/state"
"code.superseriousbusiness.org/gotosocial/internal/typeutils"
"code.superseriousbusiness.org/gotosocial/internal/util/xslices"
)
var (
// pre-prepared URL values to be passed in to
// paging response forms. The paging package always
// copies values before any modifications so it's
// safe to only use a single map variable for these.
localOnlyTrue = url.Values{"local": {"true"}}
localOnlyFalse = url.Values{"local": {"false"}}
)
type Processor struct {
state *state.State
converter *typeutils.Converter
visFilter *visibility.Filter
}
func New(state *state.State, converter *typeutils.Converter, visFilter *visibility.Filter) Processor {
return Processor{
state: state,
converter: converter,
visFilter: visFilter,
}
}
func (p *Processor) getStatusTimeline(
ctx context.Context,
requester *gtsmodel.Account,
timeline *timelinepkg.StatusTimeline,
page *paging.Page,
pagePath string,
pageQuery url.Values,
filterCtx statusfilter.FilterContext,
loadPage func(*paging.Page) (statuses []*gtsmodel.Status, err error),
filter func(*gtsmodel.Status) (delete bool),
postFilter func(*gtsmodel.Status) (remove bool),
) (
*apimodel.PageableResponse,
gtserror.WithCode,
) {
var err error
var filters []*gtsmodel.Filter
var mutes *usermute.CompiledUserMuteList
if requester != nil {
// Fetch all filters relevant for requesting account.
filters, err = p.state.DB.GetFiltersForAccountID(ctx,
requester.ID,
)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
err := gtserror.Newf("error getting account filters: %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
// Get a list of all account mutes for requester.
allMutes, err := p.state.DB.GetAccountMutes(ctx,
requester.ID,
nil, // i.e. all
)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
err := gtserror.Newf("error getting account mutes: %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
// Compile all account mutes to useable form.
mutes = usermute.NewCompiledUserMuteList(allMutes)
}
// Ensure we have valid
// input paging cursor.
id.ValidatePage(page)
// Load status page via timeline cache, also
// getting lo, hi values for next, prev pages.
//
// NOTE: this safely handles the case of a nil
// input timeline, i.e. uncached timeline type.
apiStatuses, lo, hi, err := timeline.Load(ctx,
// Status page
// to load.
page,
// Caller provided database
// status page loading function.
loadPage,
// Status load function for cached timeline entries.
func(ids []string) ([]*gtsmodel.Status, error) {
return p.state.DB.GetStatusesByIDs(ctx, ids)
},
// Call provided status
// filtering function.
filter,
// Frontend API model preparation function.
func(status *gtsmodel.Status) (*apimodel.Status, error) {
// Check if status needs filtering OUTSIDE of caching stage.
// TODO: this will be moved to separate postFilter hook when
// all filtering has been removed from the type converter.
if postFilter != nil && postFilter(status) {
return nil, nil
}
// Finally, pass status to get converted to API model.
apiStatus, err := p.converter.StatusToAPIStatus(ctx,
status,
requester,
filterCtx,
filters,
mutes,
)
if err != nil && !errors.Is(err, statusfilter.ErrHideStatus) {
return nil, err
}
return apiStatus, nil
},
)
if err != nil {
err := gtserror.Newf("error loading timeline: %w", err)
return nil, gtserror.WrapWithCode(http.StatusInternalServerError, err)
}
// Package returned API statuses as pageable response.
return paging.PackageResponse(paging.ResponseParams{
Items: xslices.ToAny(apiStatuses),
Path: pagePath,
Next: page.Next(lo, hi),
Prev: page.Prev(lo, hi),
Query: pageQuery,
}), nil
}
|
