mirror of
https://github.com/overleaf/overleaf.git
synced 2024-10-31 21:21:03 -04:00
303 lines
9.3 KiB
CoffeeScript
303 lines
9.3 KiB
CoffeeScript
define [
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"moment"
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"ide/colors/ColorManager"
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"ide/history/controllers/HistoryListController"
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"ide/history/controllers/HistoryDiffController"
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"ide/history/directives/infiniteScroll"
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], (moment, ColorManager) ->
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class HistoryManager
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constructor: (@ide, @$scope) ->
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@reset()
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@$scope.toggleHistory = () =>
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if @$scope.ui.view == "history"
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@hide()
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else
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@show()
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@$scope.$watch "history.selection.updates", (updates) =>
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if updates? and updates.length > 0
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@_selectDocFromUpdates()
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@reloadDiff()
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@$scope.$on "entity:selected", (event, entity) =>
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if (@$scope.ui.view == "history") and (entity.type == "doc")
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# TODO: Set selection.pathname to entity path name
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# @$scope.history.selection.doc = entity
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@reloadDiff()
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show: () ->
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@$scope.ui.view = "history"
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@reset()
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hide: () ->
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@$scope.ui.view = "editor"
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# Make sure we run the 'open' logic for whatever is currently selected
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@$scope.$emit "entity:selected", @ide.fileTreeManager.findSelectedEntity()
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reset: () ->
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@$scope.history = {
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updates: []
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nextBeforeTimestamp: null
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atEnd: false
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selection: {
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updates: []
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doc: null
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range: {
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fromV: null
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toV: null
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}
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}
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diff: null
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}
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autoSelectRecentUpdates: () ->
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return if @$scope.history.updates.length == 0
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@$scope.history.updates[0].selectedTo = true
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indexOfLastUpdateNotByMe = 0
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for update, i in @$scope.history.updates
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if @_updateContainsUserId(update, @$scope.user.id)
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break
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indexOfLastUpdateNotByMe = i
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@$scope.history.updates[indexOfLastUpdateNotByMe].selectedFrom = true
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BATCH_SIZE: 10
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fetchNextBatchOfUpdates: () ->
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url = "/project/#{@ide.project_id}/updates?min_count=#{@BATCH_SIZE}"
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if @$scope.history.nextBeforeTimestamp?
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url += "&before=#{@$scope.history.nextBeforeTimestamp}"
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@$scope.history.loading = true
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@ide.$http
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.get(url)
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.then (response) =>
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{ data } = response
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console.log "fetchNextBatchOfUpdates", data.updates
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@_loadUpdates(data.updates)
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@$scope.history.nextBeforeTimestamp = data.nextBeforeTimestamp
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if !data.nextBeforeTimestamp?
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@$scope.history.atEnd = true
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@$scope.history.loading = false
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reloadDiff: () ->
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diff = @$scope.history.diff
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{updates} = @$scope.history.selection
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{fromV, toV, pathname} = @_calculateDiffDataFromSelection()
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console.log "[reloadDiff] current diff", diff
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console.log "[reloadDiff] new diff data", {fromV, toV, pathname}
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return if !pathname?
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return if diff? and
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diff.pathname == pathname and
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diff.fromV == fromV and
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diff.toV == toV
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@$scope.history.diff = diff = {
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fromV: fromV
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toV: toV
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pathname: pathname
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error: false
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}
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# TODO: How do we track deleted files now? We can probably show the diffs easily
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# with the new system!
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if true # !doc.deleted
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diff.loading = true
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url = "/project/#{@$scope.project_id}/diff"
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query = ["pathname=#{encodeURIComponent(pathname)}"]
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if diff.fromV? and diff.toV?
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query.push "from=#{diff.fromV}", "to=#{diff.toV}"
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url += "?" + query.join("&")
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@ide.$http
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.get(url)
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.then (response) =>
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{ data } = response
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diff.loading = false
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{text, highlights} = @_parseDiff(data)
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diff.text = text
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diff.highlights = highlights
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.catch () ->
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diff.loading = false
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diff.error = true
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else
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diff.deleted = true
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diff.restoreInProgress = false
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diff.restoreDeletedSuccess = false
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diff.restoredDocNewId = null
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restoreDeletedDoc: (doc) ->
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url = "/project/#{@$scope.project_id}/doc/#{doc.id}/restore"
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@ide.$http.post(url, name: doc.name, _csrf: window.csrfToken)
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restoreDiff: (diff) ->
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url = "/project/#{@$scope.project_id}/doc/#{diff.doc.id}/version/#{diff.fromV}/restore"
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@ide.$http.post(url, _csrf: window.csrfToken)
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_parseDiff: (diff) ->
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row = 0
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column = 0
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highlights = []
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text = ""
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for entry, i in diff.diff or []
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content = entry.u or entry.i or entry.d
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content ||= ""
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text += content
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lines = content.split("\n")
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startRow = row
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startColumn = column
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if lines.length > 1
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endRow = startRow + lines.length - 1
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endColumn = lines[lines.length - 1].length
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else
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endRow = startRow
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endColumn = startColumn + lines[0].length
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row = endRow
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column = endColumn
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range = {
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start:
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row: startRow
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column: startColumn
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end:
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row: endRow
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column: endColumn
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}
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if entry.i? or entry.d?
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if entry.meta.user?
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name = "#{entry.meta.user.first_name} #{entry.meta.user.last_name}"
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else
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name = "Anonymous"
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if entry.meta.user?.id == @$scope.user.id
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name = "you"
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date = moment(entry.meta.end_ts).format("Do MMM YYYY, h:mm a")
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if entry.i?
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highlights.push {
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label: "Added by #{name} on #{date}"
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highlight: range
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hue: ColorManager.getHueForUserId(entry.meta.user?.id)
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}
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else if entry.d?
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highlights.push {
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label: "Deleted by #{name} on #{date}"
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strikeThrough: range
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hue: ColorManager.getHueForUserId(entry.meta.user?.id)
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}
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return {text, highlights}
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_loadUpdates: (updates = []) ->
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console.log "FOO"
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previousUpdate = @$scope.history.updates[@$scope.history.updates.length - 1]
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console.log "BAR", updates
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for update in updates or []
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console.log "_loadUpdates, loading", update
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for user in update.meta.users or []
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if user?
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user.hue = ColorManager.getHueForUserId(user.id)
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if !previousUpdate? or !moment(previousUpdate.meta.end_ts).isSame(update.meta.end_ts, "day")
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update.meta.first_in_day = true
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update.selectedFrom = false
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update.selectedTo = false
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update.inSelection = false
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previousUpdate = update
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console.log("BAZ")
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firstLoad = @$scope.history.updates.length == 0
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@$scope.history.updates =
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@$scope.history.updates.concat(updates)
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console.log "[_loadUpdates] updates", @$scope.history.updates
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@autoSelectRecentUpdates() if firstLoad
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_perDocSummaryOfUpdates: (updates) ->
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current_pathnames = {}
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docs_summary = {}
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for update in updates # Updates are reverse chronologically ordered
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console.log "[_perDocSummaryOfUpdates] update", update
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for pathname in update.docs or []
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# current_pathname may not be the latest doc path that this doc has had
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if !current_pathnames[pathname]?
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current_pathnames[pathname] = pathname
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current_pathname = current_pathnames[pathname]
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if !docs_summary[current_pathname]?
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docs_summary[current_pathname] = {
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fromV: update.fromV, toV: update.toV,
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pathname: pathname
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}
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console.log "[_perDocSummaryOfUpdates] creating summary", current_pathname, docs_summary[current_pathname]
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else
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console.log "[_perDocSummaryOfUpdates] updating summary", docs_summary[current_pathname], update
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docs_summary[current_pathname] = {
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fromV: Math.min(docs_summary[current_pathname].fromV, update.fromV),
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toV: Math.max(docs_summary[current_pathname].toV, update.toV),
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pathname: pathname
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}
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for project_op in update.project_ops or []
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if project_op.rename?
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rename = project_op.rename
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console.log "[_perDocSummaryOfUpdates] rename", rename
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if !current_pathnames[rename.newPathname]?
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current_pathnames[rename.newPathname] = rename.newPathname
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current_pathnames[rename.current_pathname] = current_pathnames[rename.newPathname]
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delete current_pathnames[rename.newPathname]
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console.log "[_perDocSummaryOfUpdates] docs_summary", docs_summary
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console.log "[_perDocSummaryOfUpdates] current_pathnames", current_pathnames
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return docs_summary
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_calculateDiffDataFromSelection: () ->
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fromV = toV = pathname = null
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selected_pathname = @$scope.history.selection.pathname
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console.log "[_calculateDiffDataFromSelection] selected_pathname", selected_pathname
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for pathname, doc of @_perDocSummaryOfUpdates(@$scope.history.selection.updates)
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console.log "[_calculateDiffDataFromSelection] pathname, doc", pathname, doc
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if pathname == selected_pathname
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{fromV, toV, pathname} = doc
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break
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return {fromV, toV, pathname}
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# Set the track changes selected doc to one of the docs in the range
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# of currently selected updates. If we already have a selected doc
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# then prefer this one if present.
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_selectDocFromUpdates: () ->
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affected_docs = @_perDocSummaryOfUpdates(@$scope.history.selection.updates)
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console.log "[_selectDocFromUpdates] affected_docs", affected_docs
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selected_pathname = @$scope.history.selection.pathname
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console.log "[_selectDocFromUpdates] current selected_pathname", selected_pathname
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if selected_pathname? and affected_docs[selected_pathname]
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# Selected doc is already open
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else
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# Set to first possible candidate
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for pathname, doc of affected_docs
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selected_pathname = pathname
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break
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console.log "[_selectDocFromUpdates] new selected_pathname", selected_pathname
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@$scope.history.selection.pathname = selected_pathname
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if selected_pathname?
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entity = @ide.fileTreeManager.findEntityByPath(selected_pathname)
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if entity?
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@ide.fileTreeManager.selectEntity(entity)
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_updateContainsUserId: (update, user_id) ->
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for user in update.meta.users
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return true if user?.id == user_id
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return false
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