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| 1 | +// |
| 2 | +// ProfileFeature+Heatmap.swift |
| 3 | +// DevLogPresentation |
| 4 | +// |
| 5 | +// Created by opfic on 6/15/26. |
| 6 | +// |
| 7 | + |
| 8 | +import DevLogCore |
| 9 | +import DevLogDomain |
| 10 | +import Foundation |
| 11 | + |
| 12 | +private struct ProfileHeatmapActivityCounts { |
| 13 | + var createdCount = 0 |
| 14 | + var completedCount = 0 |
| 15 | + var deletedCount = 0 |
| 16 | + |
| 17 | + mutating func increment(_ activityKind: ActivityKind) { |
| 18 | + switch activityKind { |
| 19 | + case .created: |
| 20 | + createdCount += 1 |
| 21 | + case .completed: |
| 22 | + completedCount += 1 |
| 23 | + case .deleted: |
| 24 | + deletedCount += 1 |
| 25 | + } |
| 26 | + } |
| 27 | +} |
| 28 | + |
| 29 | +private struct ProfileHeatmapActivityEntry { |
| 30 | + var todo: Todo |
| 31 | + var activityKinds: Set<ActivityKind> |
| 32 | +} |
| 33 | + |
| 34 | +extension ProfileFeature { |
| 35 | + static func quarterStart(for date: Date) -> Date? { |
| 36 | + let month = Calendar.current.component(.month, from: date) |
| 37 | + let startMonth = ((month - 1) / 3) * 3 + 1 |
| 38 | + var components = Calendar.current.dateComponents([.year], from: date) |
| 39 | + components.month = startMonth |
| 40 | + components.day = 1 |
| 41 | + return Calendar.current.date(from: components) |
| 42 | + } |
| 43 | + |
| 44 | + static func quarterStart(year: Int, quarter: Int) -> Date? { |
| 45 | + guard (1...4).contains(quarter) else { return nil } |
| 46 | + var components = DateComponents() |
| 47 | + components.year = year |
| 48 | + components.month = ((quarter - 1) * 3) + 1 |
| 49 | + components.day = 1 |
| 50 | + return Calendar.current.date(from: components) |
| 51 | + } |
| 52 | + |
| 53 | + static func canSelectQuarter(_ quarterStart: Date, state: State) -> Bool { |
| 54 | + guard let earliestQuarterStart = state.earliestQuarterStart, |
| 55 | + let currentQuarterStart = self.quarterStart(for: Date()) else { return false } |
| 56 | + return earliestQuarterStart <= quarterStart && quarterStart <= currentQuarterStart |
| 57 | + } |
| 58 | + |
| 59 | + static func normalizeActivityKinds(_ rawValues: [String]) -> Set<ActivityKind> { |
| 60 | + let selectableActivityKindRawValues = Set(ActivityKindItem.selectableItems.map(\.rawValue)) |
| 61 | + |
| 62 | + return Set( |
| 63 | + rawValues |
| 64 | + .compactMap(ActivityKind.init(rawValue:)) |
| 65 | + .filter { selectableActivityKindRawValues.contains($0.rawValue) } |
| 66 | + ) |
| 67 | + } |
| 68 | + |
| 69 | + static func canMoveToQuarter(offsetMonths: Int, state: State) -> Bool { |
| 70 | + guard let selectedQuarterStart = state.selectedQuarterStart else { return false } |
| 71 | + guard let targetQuarterStart = Calendar.current.date( |
| 72 | + byAdding: .month, |
| 73 | + value: offsetMonths, |
| 74 | + to: selectedQuarterStart |
| 75 | + ) else { |
| 76 | + return false |
| 77 | + } |
| 78 | + return canSelectQuarter(targetQuarterStart, state: state) |
| 79 | + } |
| 80 | + |
| 81 | + static func fetchQuarterActivityData( |
| 82 | + from quarterStart: Date, |
| 83 | + fetchTodosUseCase: FetchTodosUseCase |
| 84 | + ) async throws -> (quarter: HeatmapQuarter, dayActivitiesByDate: [Date: [HeatmapActivityItem]]) { |
| 85 | + guard let nextQuarterStart = Calendar.current.date(byAdding: .month, value: 3, to: quarterStart) else { |
| 86 | + return (HeatmapQuarter(quarterStart: quarterStart, months: []), [:]) |
| 87 | + } |
| 88 | + |
| 89 | + async let createdTodoPage = fetchTodosUseCase.execute( |
| 90 | + TodoQuery( |
| 91 | + sortDateFrom: quarterStart, |
| 92 | + sortDateTo: nextQuarterStart, |
| 93 | + includesDeleted: true, |
| 94 | + sortTarget: .createdAt, |
| 95 | + pageSize: 100, |
| 96 | + fetchAllPages: true |
| 97 | + ), |
| 98 | + cursor: nil |
| 99 | + ) |
| 100 | + async let completedTodoPage = fetchTodosUseCase.execute( |
| 101 | + TodoQuery( |
| 102 | + sortDateFrom: quarterStart, |
| 103 | + sortDateTo: nextQuarterStart, |
| 104 | + includesDeleted: true, |
| 105 | + sortTarget: .completedAt, |
| 106 | + pageSize: 100, |
| 107 | + fetchAllPages: true |
| 108 | + ), |
| 109 | + cursor: nil |
| 110 | + ) |
| 111 | + async let deletedTodoPage = fetchTodosUseCase.execute( |
| 112 | + TodoQuery( |
| 113 | + sortDateFrom: quarterStart, |
| 114 | + sortDateTo: nextQuarterStart, |
| 115 | + includesDeleted: true, |
| 116 | + sortTarget: .deletedAt, |
| 117 | + pageSize: 100, |
| 118 | + fetchAllPages: true |
| 119 | + ), |
| 120 | + cursor: nil |
| 121 | + ) |
| 122 | + |
| 123 | + let (createdTodoPageResult, completedTodoPageResult, deletedTodoPageResult) = try await ( |
| 124 | + createdTodoPage, |
| 125 | + completedTodoPage, |
| 126 | + deletedTodoPage |
| 127 | + ) |
| 128 | + return makeQuarterActivityData( |
| 129 | + createdTodos: createdTodoPageResult.items, |
| 130 | + completedTodos: completedTodoPageResult.items, |
| 131 | + deletedTodos: deletedTodoPageResult.items, |
| 132 | + quarterStart: quarterStart |
| 133 | + ) |
| 134 | + } |
| 135 | + |
| 136 | + static func makeQuarterActivityData( |
| 137 | + createdTodos: [Todo], |
| 138 | + completedTodos: [Todo], |
| 139 | + deletedTodos: [Todo], |
| 140 | + quarterStart: Date |
| 141 | + ) -> (quarter: HeatmapQuarter, dayActivitiesByDate: [Date: [HeatmapActivityItem]]) { |
| 142 | + var dailyCountsByDate: [Date: ProfileHeatmapActivityCounts] = [:] |
| 143 | + var activityEntriesByDate: [Date: [String: ProfileHeatmapActivityEntry]] = [:] |
| 144 | + |
| 145 | + for todo in createdTodos { |
| 146 | + appendHeatmapActivity( |
| 147 | + todo: todo, |
| 148 | + kind: .created, |
| 149 | + occurredAt: todo.createdAt, |
| 150 | + dailyCountsByDate: &dailyCountsByDate, |
| 151 | + activityEntriesByDate: &activityEntriesByDate |
| 152 | + ) |
| 153 | + } |
| 154 | + |
| 155 | + for todo in completedTodos { |
| 156 | + guard let completedAt = todo.completedAt else { continue } |
| 157 | + appendHeatmapActivity( |
| 158 | + todo: todo, |
| 159 | + kind: .completed, |
| 160 | + occurredAt: completedAt, |
| 161 | + dailyCountsByDate: &dailyCountsByDate, |
| 162 | + activityEntriesByDate: &activityEntriesByDate |
| 163 | + ) |
| 164 | + } |
| 165 | + |
| 166 | + for todo in deletedTodos { |
| 167 | + guard let deletedAt = todo.deletedAt else { continue } |
| 168 | + appendHeatmapActivity( |
| 169 | + todo: todo, |
| 170 | + kind: .deleted, |
| 171 | + occurredAt: deletedAt, |
| 172 | + dailyCountsByDate: &dailyCountsByDate, |
| 173 | + activityEntriesByDate: &activityEntriesByDate |
| 174 | + ) |
| 175 | + } |
| 176 | + |
| 177 | + let quarter = HeatmapQuarter( |
| 178 | + quarterStart: quarterStart, |
| 179 | + months: makeActivityMonths(dailyCountsByDate: dailyCountsByDate, quarterStart: quarterStart) |
| 180 | + ) |
| 181 | + let dayActivitiesByDate = activityEntriesByDate.mapValues { activityEntries in |
| 182 | + activityEntries.values.compactMap { activityEntry in |
| 183 | + HeatmapActivityItem( |
| 184 | + todo: activityEntry.todo, |
| 185 | + activityKinds: orderedActivityKinds(from: activityEntry.activityKinds) |
| 186 | + ) |
| 187 | + } |
| 188 | + .sorted() |
| 189 | + } |
| 190 | + return (quarter, dayActivitiesByDate) |
| 191 | + } |
| 192 | + |
| 193 | + private static func makeActivityMonths( |
| 194 | + dailyCountsByDate: [Date: ProfileHeatmapActivityCounts], |
| 195 | + quarterStart: Date |
| 196 | + ) -> [HeatmapMonth] { |
| 197 | + let monthStarts = (0..<3).compactMap { |
| 198 | + Calendar.current.date(byAdding: .month, value: $0, to: quarterStart) |
| 199 | + } |
| 200 | + |
| 201 | + return monthStarts.map { monthStart in |
| 202 | + makeActivityMonth( |
| 203 | + monthStart: monthStart, |
| 204 | + dailyCountsByDate: dailyCountsByDate |
| 205 | + ) |
| 206 | + } |
| 207 | + } |
| 208 | + |
| 209 | + private static func makeActivityMonth( |
| 210 | + monthStart: Date, |
| 211 | + dailyCountsByDate: [Date: ProfileHeatmapActivityCounts] |
| 212 | + ) -> HeatmapMonth { |
| 213 | + guard let monthInterval = Calendar.current.dateInterval(of: .month, for: monthStart), |
| 214 | + let monthLastDay = Calendar.current.date(byAdding: .day, value: -1, to: monthInterval.end), |
| 215 | + let firstWeekInterval = Calendar.current.dateInterval(of: .weekOfYear, for: monthInterval.start), |
| 216 | + let lastWeekInterval = Calendar.current.dateInterval(of: .weekOfYear, for: monthLastDay) else { |
| 217 | + return HeatmapMonth(monthStart: monthStart, weeks: []) |
| 218 | + } |
| 219 | + |
| 220 | + var days: [HeatmapDay] = [] |
| 221 | + var cursor = firstWeekInterval.start |
| 222 | + while cursor < lastWeekInterval.end { |
| 223 | + let normalizedDate = Calendar.current.startOfDay(for: cursor) |
| 224 | + let isInMonth = Calendar.current.isDate(normalizedDate, equalTo: monthStart, toGranularity: .month) |
| 225 | + let dailyCounts = dailyCountsByDate[normalizedDate] ?? ProfileHeatmapActivityCounts() |
| 226 | + let createdCount = isInMonth ? dailyCounts.createdCount : 0 |
| 227 | + let completedCount = isInMonth ? dailyCounts.completedCount : 0 |
| 228 | + let deletedCount = isInMonth ? dailyCounts.deletedCount : 0 |
| 229 | + days.append( |
| 230 | + HeatmapDay( |
| 231 | + date: normalizedDate, |
| 232 | + createdCount: createdCount, |
| 233 | + completedCount: completedCount, |
| 234 | + deletedCount: deletedCount, |
| 235 | + isVisible: isInMonth |
| 236 | + ) |
| 237 | + ) |
| 238 | + guard let nextDay = Calendar.current.date(byAdding: .day, value: 1, to: cursor) else { break } |
| 239 | + cursor = nextDay |
| 240 | + } |
| 241 | + |
| 242 | + var weeks: [[HeatmapDay]] = [] |
| 243 | + var index = 0 |
| 244 | + while index < days.count { |
| 245 | + let endIndex = min(index + 7, days.count) |
| 246 | + weeks.append(Array(days[index..<endIndex])) |
| 247 | + index += 7 |
| 248 | + } |
| 249 | + |
| 250 | + return HeatmapMonth(monthStart: monthStart, weeks: weeks) |
| 251 | + } |
| 252 | + |
| 253 | + private static func appendHeatmapActivity( |
| 254 | + todo: Todo, |
| 255 | + kind: ActivityKind, |
| 256 | + occurredAt: Date, |
| 257 | + dailyCountsByDate: inout [Date: ProfileHeatmapActivityCounts], |
| 258 | + activityEntriesByDate: inout [Date: [String: ProfileHeatmapActivityEntry]] |
| 259 | + ) { |
| 260 | + let dayStart = Calendar.current.startOfDay(for: occurredAt) |
| 261 | + var heatmapActivityCounts = dailyCountsByDate[dayStart] ?? ProfileHeatmapActivityCounts() |
| 262 | + heatmapActivityCounts.increment(kind) |
| 263 | + dailyCountsByDate[dayStart] = heatmapActivityCounts |
| 264 | + |
| 265 | + var activityEntries = activityEntriesByDate[dayStart] ?? [:] |
| 266 | + var heatmapActivityEntry = activityEntries[todo.id] ?? ProfileHeatmapActivityEntry( |
| 267 | + todo: todo, |
| 268 | + activityKinds: [] |
| 269 | + ) |
| 270 | + heatmapActivityEntry.todo = todo |
| 271 | + heatmapActivityEntry.activityKinds.insert(kind) |
| 272 | + activityEntries[todo.id] = heatmapActivityEntry |
| 273 | + activityEntriesByDate[dayStart] = activityEntries |
| 274 | + } |
| 275 | + |
| 276 | + private static func orderedActivityKinds(from activityKinds: Set<ActivityKind>) -> [ActivityKind] { |
| 277 | + let orderedActivityKinds: [ActivityKind] = [.created, .completed, .deleted] |
| 278 | + return orderedActivityKinds.filter { activityKinds.contains($0) } |
| 279 | + } |
| 280 | +} |
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