Monorepo for Tangled
tangled.org
1package timeline
2
3import (
4 "net/http"
5 "sort"
6
7 "github.com/bluesky-social/indigo/atproto/syntax"
8 "tangled.org/core/appview/db"
9 "tangled.org/core/appview/models"
10 "tangled.org/core/appview/oauth"
11 "tangled.org/core/appview/pages"
12 "tangled.org/core/appview/pagination"
13 "tangled.org/core/orm"
14)
15
16func (t *Timeline) Timeline(w http.ResponseWriter, r *http.Request) {
17 user := t.oauth.GetMultiAccountUser(r)
18
19 followingOnly := r.URL.Query().Get("following") == "true" && user != nil
20
21 var userDid string
22 if user != nil {
23 userDid = user.Did
24 }
25 timeline, err := db.MakeTimeline(t.db, 50, userDid, followingOnly)
26 if err != nil {
27 t.logger.Error("failed to make timeline", "err", err)
28 t.pages.Notice(w, "timeline", "Uh oh! Failed to load timeline.")
29 }
30
31 repos, err := db.GetTopStarredReposLastWeek(t.db)
32 if err != nil {
33 t.logger.Error("failed to get top starred repos", "err", err)
34 t.pages.Notice(w, "topstarredrepos", "Unable to load.")
35 return
36 }
37
38 gfiLabel, err := db.GetLabelDefinition(t.db, orm.FilterEq("at_uri", t.config.Label.GoodFirstIssue))
39 if err != nil {
40 // non-fatal
41 }
42
43 var notifications []*models.NotificationWithEntity
44 if user != nil {
45 notifications, err = db.GetNotificationsWithEntities(
46 t.db,
47 pagination.Page{Limit: 5, Offset: 0},
48 orm.FilterEq("recipient_did", user.Did),
49 )
50 if err != nil {
51 t.logger.Error("failed to get notifications for timeline", "err", err)
52 }
53 }
54
55 var vouchSuggestions []models.VouchSuggestion
56 if user != nil {
57 vouchSuggestions, err = db.GetVouchSuggestions(t.db, user.Did, 3)
58 if err != nil {
59 t.logger.Error("failed to get vouch suggestions", "err", err)
60 }
61 if len(vouchSuggestions) > 0 {
62 suggestionDids := make([]syntax.DID, len(vouchSuggestions))
63 for i, sv := range vouchSuggestions {
64 suggestionDids[i] = syntax.DID(sv.Did)
65 }
66 relationships, err := db.GetVouchRelationshipsBatch(t.db, syntax.DID(user.Did), suggestionDids)
67 if err != nil {
68 t.logger.Error("failed to get vouch relationships for suggestions", "err", err)
69 } else {
70 for i := range vouchSuggestions {
71 vouchSuggestions[i].VouchRelationship = relationships[vouchSuggestions[i].Did]
72 }
73 }
74 }
75 }
76
77 var recents []pages.RecentItem
78 if user != nil {
79 recents, err = t.buildRecents(user.Did)
80 if err != nil {
81 t.logger.Error("failed to build recents for timeline", "err", err)
82 }
83 }
84
85 err = t.pages.Timeline(w, pages.TimelineParams{
86 LoggedInUser: user,
87 Timeline: timeline,
88 Repos: repos,
89 GfiLabel: gfiLabel,
90 VouchSuggestions: vouchSuggestions,
91 Notifications: notifications,
92 Recents: recents,
93 FollowingOnly: followingOnly,
94 RecentBlogPosts: t.recentPosts,
95 ShowNewsletter: t.showNewsletter(user),
96 })
97 if err != nil {
98 t.logger.Error("failed to render timeline", "err", err)
99 }
100}
101
102func (t *Timeline) buildRecents(userDid string) ([]pages.RecentItem, error) {
103 links, err := db.GetRecentLinks(t.db, orm.FilterEq("user_did", userDid))
104 if err != nil {
105 return nil, err
106 }
107 if len(links) == 0 {
108 return nil, nil
109 }
110
111 // group targets by type.
112 var repoDids, issueAtUris, pullAtUris []string
113 for _, l := range links {
114 switch l.LinkType {
115 case models.RecentLinkTypeRepo:
116 repoDids = append(repoDids, l.Target)
117 case models.RecentLinkTypeIssue:
118 issueAtUris = append(issueAtUris, l.Target)
119 case models.RecentLinkTypePull:
120 pullAtUris = append(pullAtUris, l.Target)
121 }
122 }
123
124 // fetch repos by DID.
125 repoByDid := make(map[string]*models.Repo)
126 if len(repoDids) > 0 {
127 fetched, err := db.GetRepos(t.db, orm.FilterIn("repo_did", repoDids))
128 if err != nil {
129 return nil, err
130 }
131 for i := range fetched {
132 repoByDid[fetched[i].RepoDid] = &fetched[i]
133 }
134 }
135
136 // fetch issues by aturi
137 issueByAtUri := make(map[string]*models.Issue)
138 if len(issueAtUris) > 0 {
139 issues, err := db.GetIssues(t.db, orm.FilterIn("at_uri", issueAtUris))
140 if err != nil {
141 return nil, err
142 }
143 for _, issue := range issues {
144 issueByAtUri[issue.AtUri().String()] = &issue
145 }
146 }
147
148 // fetch pulls by aturi
149 pullByAtUri := make(map[string]*models.Pull)
150 if len(pullAtUris) > 0 {
151 fetched, err := db.GetPulls(t.db, orm.FilterIn("at_uri", pullAtUris))
152 if err != nil {
153 return nil, err
154 }
155 for _, p := range fetched {
156 pullByAtUri[p.AtUri().String()] = p
157 }
158 }
159
160 // build result in original link order
161 var items []pages.RecentItem
162 for _, l := range links {
163 item := pages.RecentItem{Link: l}
164 switch l.LinkType {
165 case models.RecentLinkTypeRepo:
166 item.Repo = repoByDid[l.Target]
167 case models.RecentLinkTypeIssue:
168 item.Issue = issueByAtUri[l.Target]
169 case models.RecentLinkTypePull:
170 item.Pull = pullByAtUri[l.Target]
171 }
172 // skip if the entity could not be resolved (e.g. deleted).
173 if item.Repo == nil && item.Issue == nil && item.Pull == nil {
174 continue
175 }
176 items = append(items, item)
177 }
178
179 // re-sort by visited descending to restore recency order after map lookups.
180 sort.Slice(items, func(i, j int) bool {
181 return items[i].Link.Visited.After(items[j].Link.Visited)
182 })
183
184 return items, nil
185}
186
187// showNewsletter decides whether the newsletter widget/CTA should render.
188// Anonymous visitors always see it (they can dismiss via localStorage);
189// logged-in users whose newsletter_preferences row exists (either
190// subscribed or dismissed) do not.
191func (t *Timeline) showNewsletter(user *oauth.MultiAccountUser) bool {
192 if user == nil {
193 return true
194 }
195 pref, err := db.GetNewsletterPref(t.db, user.Did)
196 if err != nil {
197 t.logger.Error("failed to read newsletter preference", "did", user.Did, "err", err)
198 return true
199 }
200 return pref == nil
201}