| 1 | package records |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "database/sql" |
| 6 | "errors" |
| 7 | |
| 8 | "github.com/FelineStateMachine/tinyrelay/internal/policy" |
| 9 | "github.com/FelineStateMachine/tinyrelay/internal/storage" |
| 10 | ) |
| 11 | |
| 12 | // Tick is called by the host scheduler and does not start a goroutine. |
| 13 | func (s *Service) Tick(ctx context.Context, now int64) error { |
| 14 | p := s.policy() |
| 15 | if err := s.tickViews(ctx, p, now); err != nil { |
| 16 | return err |
| 17 | } |
| 18 | if p.Succession == nil || p.Succession.Heir == "" || p.Owner == "" { |
| 19 | return nil |
| 20 | } |
| 21 | // The heir must remain a member while the plan is armed. |
| 22 | member, memberCount, err := s.memberStatus(ctx, p.Succession.Heir) |
| 23 | if err != nil { |
| 24 | return err |
| 25 | } |
| 26 | if memberCount > 0 && !member { |
| 27 | if s.setPolicy != nil { |
| 28 | next := p |
| 29 | next.Succession = nil |
| 30 | if err := s.setPolicy(next); err != nil { |
| 31 | return err |
| 32 | } |
| 33 | } |
| 34 | _ = s.store.PutSetting(ctx, "records.succession_warning" , int64(0)) |
| 35 | _ = s.store.PutSetting(ctx, "records.succession_notify" , int64(0)) |
| 36 | return s.notifyText(ctx, "succession" , "Your heir is no longer a member, so the handover plan is off. Name another heir if you still want one." , "succession on relay" , p.Owner, now) |
| 37 | } |
| 38 | var heartbeat int64 |
| 39 | if err := s.store.GetSetting(ctx, "records.owner_seen" , &heartbeat); err != nil && !errors.Is(err, sql.ErrNoRows) { |
| 40 | return err |
| 41 | } |
| 42 | if heartbeat == 0 { |
| 43 | heartbeat = now |
| 44 | if err := s.store.PutSetting(ctx, "records.owner_seen" , heartbeat); err != nil { |
| 45 | return err |
| 46 | } |
| 47 | return nil |
| 48 | } |
| 49 | delay := int64(p.Succession.AfterDays) * 86400 |
| 50 | if now < heartbeat+delay { |
| 51 | return nil |
| 52 | } |
| 53 | var warned int64 |
| 54 | _ = s.store.GetSetting(ctx, "records.succession_warning" , &warned) |
| 55 | if warned == 0 { |
| 56 | if err := s.store.PutSetting(ctx, "records.succession_warning" , now); err != nil { |
| 57 | return err |
| 58 | } |
| 59 | if err := s.store.PutSetting(ctx, "records.succession_notify" , now); err != nil { |
| 60 | return err |
| 61 | } |
| 62 | return s.notifyText(ctx, "succession" , "You have been away long enough to start the succession warning period. Any signed action cancels it." , "succession on relay" , p.Owner, now) |
| 63 | } |
| 64 | warnUntil := warned + 30*86400 |
| 65 | if now < warnUntil { |
| 66 | var last int64 |
| 67 | _ = s.store.GetSetting(ctx, "records.succession_notify" , &last) |
| 68 | if now-last >= 7*86400 { |
| 69 | _ = s.store.PutSetting(ctx, "records.succession_notify" , now) |
| 70 | return s.notifyText(ctx, "succession" , "Still no sign of you. The relay will go to your heir unless you sign in." , "succession on relay" , p.Owner, now) |
| 71 | } |
| 72 | return nil |
| 73 | } |
| 74 | old, heir := p.Owner, p.Succession.Heir |
| 75 | if s.setPolicy == nil { |
| 76 | return errors.New("records: succession policy writer unavailable" ) |
| 77 | } |
| 78 | next := p |
| 79 | next.Owner = heir |
| 80 | next.Succession = nil |
| 81 | if err := s.setPolicy(next); err != nil { |
| 82 | return err |
| 83 | } |
| 84 | if err := appendSuccessionLog(ctx, s.store, successionLog{At: now, From: old, To: heir}); err != nil { |
| 85 | return err |
| 86 | } |
| 87 | _ = s.store.PutSetting(ctx, "records.owner_seen" , now) |
| 88 | _ = s.store.PutSetting(ctx, "records.succession_warning" , int64(0)) |
| 89 | _ = s.store.PutSetting(ctx, "records.succession_notify" , int64(0)) |
| 90 | if s.onTransfer != nil { |
| 91 | if err := s.onTransfer(ctx, old, heir); err != nil { |
| 92 | return err |
| 93 | } |
| 94 | } |
| 95 | if err := s.notifyText(ctx, "succession" , "The relay now belongs to your heir, as you planned. You stay on as a moderator." , "succession on relay" , old, now); err != nil { |
| 96 | return err |
| 97 | } |
| 98 | return s.notifyText(ctx, "succession" , "The relay is yours now. Its owner named you heir and has been away through the warning period." , "succession on relay" , heir, now) |
| 99 | } |
| 100 | |
| 101 | func appendSuccessionLog(ctx context.Context, st *storage.Store, entry successionLog) error { |
| 102 | var log []successionLog |
| 103 | _ = st.GetSetting(ctx, "records.succession_log" , &log) |
| 104 | log = append(log, entry) |
| 105 | if len(log) > 10 { |
| 106 | log = log[len(log)-10:] |
| 107 | } |
| 108 | return st.PutSetting(ctx, "records.succession_log" , log) |
| 109 | } |
| 110 | |
| 111 | func (s *Service) tickViews(ctx context.Context, p policy.Policy, now int64) error { |
| 112 | defaults := map[string]int64{"profiles" : 86400, "relays" : 86400, "calendar" : 3600, "moderation" : 86400, "articles" : 86400, "zaps" : 3600} |
| 113 | for name, period := range defaults { |
| 114 | mode := effectiveViewTrigger(p, name) |
| 115 | if mode == "off" || !viewStored(p, name) { |
| 116 | continue |
| 117 | } |
| 118 | if mode == "daily" { |
| 119 | period = 86400 |
| 120 | } |
| 121 | if mode == "hourly" { |
| 122 | period = 3600 |
| 123 | } |
| 124 | key := "records.view." + name + ".at" |
| 125 | var last int64 |
| 126 | if err := s.store.GetSetting(ctx, key, &last); err != nil && !errors.Is(err, sql.ErrNoRows) { |
| 127 | return err |
| 128 | } |
| 129 | var dirty int64 |
| 130 | if mode == "write" { |
| 131 | if err := s.store.GetSetting(ctx, "records.view." +name+".dirty" , &dirty); err != nil && !errors.Is(err, sql.ErrNoRows) { |
| 132 | return err |
| 133 | } |
| 134 | if dirty != 0 && now-dirty >= 10 { |
| 135 | // A write burst is coalesced into one publication. |
| 136 | } else if dirty != 0 { |
| 137 | continue |
| 138 | } else if last != 0 && now-last < period-300 { |
| 139 | continue |
| 140 | } |
| 141 | } else if last != 0 && now-last < period-300 { |
| 142 | continue |
| 143 | } |
| 144 | if mode == "hourly" { |
| 145 | fp, err := s.viewFingerprint(ctx, name, now) |
| 146 | if err != nil { |
| 147 | return err |
| 148 | } |
| 149 | var previous string |
| 150 | if err := s.store.GetSetting(ctx, "records.view." +name+".fingerprint" , &previous); err != nil && !errors.Is(err, sql.ErrNoRows) { |
| 151 | return err |
| 152 | } |
| 153 | if previous != "" && previous == fp { |
| 154 | if err := s.store.PutSetting(ctx, key, now); err != nil { |
| 155 | return err |
| 156 | } |
| 157 | continue |
| 158 | } |
| 159 | if err := s.store.PutSetting(ctx, "records.view." +name+".fingerprint" , fp); err != nil { |
| 160 | return err |
| 161 | } |
| 162 | } |
| 163 | e, err := s.view(ctx, name, policy.Access{Owner: true}, now) |
| 164 | if err != nil { |
| 165 | return err |
| 166 | } |
| 167 | if err := s.store.PutSetting(ctx, key, now); err != nil { |
| 168 | return err |
| 169 | } |
| 170 | if err := s.recordViewRun(ctx, name, now, maxInt(0, len(e.Tags)-3)); err != nil { |
| 171 | return err |
| 172 | } |
| 173 | if mode == "write" && dirty != 0 { |
| 174 | if err := s.store.PutSetting(ctx, "records.view." +name+".dirty" , int64(0)); err != nil { |
| 175 | return err |
| 176 | } |
| 177 | } |
| 178 | } |
| 179 | return nil |
| 180 | } |
| 181 | |
| 182 | func (s *Service) Heartbeat(ctx context.Context, owner string, now int64) error { |
| 183 | if owner == "" || owner != s.policy().Owner { |
| 184 | return errors.New("restricted: owner heartbeat" ) |
| 185 | } |
| 186 | if err := s.store.PutSetting(ctx, "records.owner_seen" , now); err != nil { |
| 187 | return err |
| 188 | } |
| 189 | _ = s.store.PutSetting(ctx, "records.succession_warning" , int64(0)) |
| 190 | return s.store.PutSetting(ctx, "records.succession_notify" , int64(0)) |
| 191 | } |