define [ "moment" "ide/colors/ColorManager" "ide/history/util/displayNameForUser" "ide/history/controllers/HistoryListController" "ide/history/controllers/HistoryDiffController" "ide/history/directives/infiniteScroll" ], (moment, ColorManager, displayNameForUser) -> class HistoryManager constructor: (@ide, @$scope) -> @reset() @$scope.toggleHistory = () => if @$scope.ui.view == "history" @hide() else @show() @$scope.$watch "history.selection.updates", (updates) => if updates? and updates.length > 0 @_selectDocFromUpdates() @reloadDiff() @$scope.$watch "history.selection.pathname", () => @reloadDiff() show: () -> @$scope.ui.view = "history" @reset() hide: () -> @$scope.ui.view = "editor" reset: () -> @$scope.history = { isV2: true updates: [] nextBeforeTimestamp: null atEnd: false selection: { updates: [] docs: {} pathname: null range: { fromV: null toV: null } } diff: null } MAX_RECENT_UPDATES_TO_SELECT: 5 autoSelectRecentUpdates: () -> return if @$scope.history.updates.length == 0 @$scope.history.updates[0].selectedTo = true indexOfLastUpdateNotByMe = 0 for update, i in @$scope.history.updates if @_updateContainsUserId(update, @$scope.user.id) or i > @MAX_RECENT_UPDATES_TO_SELECT break indexOfLastUpdateNotByMe = i @$scope.history.updates[indexOfLastUpdateNotByMe].selectedFrom = true BATCH_SIZE: 10 fetchNextBatchOfUpdates: () -> url = "/project/#{@ide.project_id}/updates?min_count=#{@BATCH_SIZE}" if @$scope.history.nextBeforeTimestamp? url += "&before=#{@$scope.history.nextBeforeTimestamp}" @$scope.history.loading = true @ide.$http .get(url) .then (response) => { data } = response @_loadUpdates(data.updates) @$scope.history.nextBeforeTimestamp = data.nextBeforeTimestamp if !data.nextBeforeTimestamp? @$scope.history.atEnd = true @$scope.history.loading = false reloadDiff: () -> diff = @$scope.history.diff {updates} = @$scope.history.selection {fromV, toV, pathname} = @_calculateDiffDataFromSelection() if !pathname? @$scope.history.diff = null return return if diff? and diff.pathname == pathname and diff.fromV == fromV and diff.toV == toV @$scope.history.diff = diff = { fromV: fromV toV: toV pathname: pathname error: false } diff.loading = true url = "/project/#{@$scope.project_id}/diff" query = ["pathname=#{encodeURIComponent(pathname)}"] if diff.fromV? and diff.toV? query.push "from=#{diff.fromV}", "to=#{diff.toV}" url += "?" + query.join("&") @ide.$http .get(url) .then (response) => { data } = response diff.loading = false {text, highlights, binary} = @_parseDiff(data.diff) diff.binary = binary diff.text = text diff.highlights = highlights .catch () -> diff.loading = false diff.error = true _parseDiff: (diff) -> if diff.binary return { binary: true } row = 0 column = 0 highlights = [] text = "" for entry, i in diff or [] content = entry.u or entry.i or entry.d content ||= "" text += content lines = content.split("\n") startRow = row startColumn = column if lines.length > 1 endRow = startRow + lines.length - 1 endColumn = lines[lines.length - 1].length else endRow = startRow endColumn = startColumn + lines[0].length row = endRow column = endColumn range = { start: row: startRow column: startColumn end: row: endRow column: endColumn } if entry.i? or entry.d? user = entry.meta.users?[0] name = displayNameForUser(user) date = moment(entry.meta.end_ts).format("Do MMM YYYY, h:mm a") if entry.i? highlights.push { label: "Added by #{name} on #{date}" highlight: range hue: ColorManager.getHueForUserId(user?.id) } else if entry.d? highlights.push { label: "Deleted by #{name} on #{date}" strikeThrough: range hue: ColorManager.getHueForUserId(user?.id) } return {text, highlights} _loadUpdates: (updates = []) -> previousUpdate = @$scope.history.updates[@$scope.history.updates.length - 1] for update in updates or [] for user in update.meta.users or [] if user? user.hue = ColorManager.getHueForUserId(user.id) if !previousUpdate? or !moment(previousUpdate.meta.end_ts).isSame(update.meta.end_ts, "day") update.meta.first_in_day = true update.selectedFrom = false update.selectedTo = false update.inSelection = false previousUpdate = update firstLoad = @$scope.history.updates.length == 0 @$scope.history.updates = @$scope.history.updates.concat(updates) @autoSelectRecentUpdates() if firstLoad _perDocSummaryOfUpdates: (updates) -> # Track current_pathname -> original_pathname original_pathnames = {} # Map of original pathname -> doc summary docs_summary = {} updatePathnameWithUpdateVersions = (pathname, update, deleted) -> # docs_summary is indexed by the original pathname the doc # had at the start, so we have to look this up from the current # pathname via original_pathname first if !original_pathnames[pathname]? original_pathnames[pathname] = pathname original_pathname = original_pathnames[pathname] doc_summary = docs_summary[original_pathname] ?= { fromV: update.fromV, toV: update.toV, } doc_summary.fromV = Math.min( doc_summary.fromV, update.fromV ) doc_summary.toV = Math.max( doc_summary.toV, update.toV ) if deleted? doc_summary.deleted = true # Put updates in ascending chronological order updates = updates.slice().reverse() for update in updates for pathname in update.pathnames or [] updatePathnameWithUpdateVersions(pathname, update) for project_op in update.project_ops or [] if project_op.rename? rename = project_op.rename updatePathnameWithUpdateVersions(rename.pathname, update) original_pathnames[rename.newPathname] = original_pathnames[rename.pathname] delete original_pathnames[rename.pathname] if project_op.add? add = project_op.add updatePathnameWithUpdateVersions(add.pathname, update) if project_op.remove? remove = project_op.remove updatePathnameWithUpdateVersions(remove.pathname, update, true) return docs_summary _calculateDiffDataFromSelection: () -> fromV = toV = pathname = null selected_pathname = @$scope.history.selection.pathname for pathname, doc of @_perDocSummaryOfUpdates(@$scope.history.selection.updates) if pathname == selected_pathname {fromV, toV} = doc return {fromV, toV, pathname} return {} # Set the track changes selected doc to one of the docs in the range # of currently selected updates. If we already have a selected doc # then prefer this one if present. _selectDocFromUpdates: () -> affected_docs = @_perDocSummaryOfUpdates(@$scope.history.selection.updates) @$scope.history.selection.docs = affected_docs selected_pathname = @$scope.history.selection.pathname if selected_pathname? and affected_docs[selected_pathname] # Selected doc is already open else # Set to first possible candidate for pathname, doc of affected_docs selected_pathname = pathname break @$scope.history.selection.pathname = selected_pathname _updateContainsUserId: (update, user_id) -> for user in update.meta.users return true if user?.id == user_id return false